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Verifying Microservice Integrations with Contract Testing

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Atlassian

The document discusses contract testing as a means to verify microservice integrations effectively. It emphasizes the importance of trustworthy, targeted integration and end-to-end tests compared to traditional mocked dependencies. Additionally, it critiques the effectiveness of various testing strategies in ensuring the reliability of services at Atlassian.

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Verifying Microservice Integrations with Contract Testing BEN SAYERS
 DEV • ATLASSIAN
 @BENSAYERSDEV MAURI EDO
 QA • ATLASSIAN @MAURI_EDO
Based on a true story.
Why didn’t your tests catch this?
So… How do you test?
Mocked dependencies
~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing service Mock User Service Response Request
Mock client Response Request Billing service Mock User Service Response Request ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G
Verifying Microservice Integrations with Contract Testing
Tests that mock dependencies are…
Trustworthy Tests that mock dependencies are…
Tests that mock dependencies are… Trustworthy Cheap
Tests that mock dependencies are… Trustworthy Cheap Fast
Tests that mock dependencies are… Trustworthy Cheap Fast Reliable
Tests that mock dependencies are… Trustworthy Cheap Fast Reliable Targeted
Integration tests
User Service Response Request Billing Service ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G
User Service Response Request Billing Service~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service Email Service Response Request ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G
Integration tests are…
Trustworthy Integration tests are…
Integration tests are… Trustworthy Cheap
Integration tests are… Trustworthy Cheap Fast
Integration tests are… Trustworthy Cheap Fast Reliable
Verifying Microservice Integrations with Contract Testing
Verifying Microservice Integrations with Contract Testing
Verifying Microservice Integrations with Contract Testing
Verifying Microservice Integrations with Contract Testing
Verifying Microservice Integrations with Contract Testing
Integration tests are… Trustworthy Cheap Fast Reliable Targeted
End-to-end tests
End-to-end
 tests JIRA Billing Service ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G User Service Email Service
Targeted Fast Reliable Cheap Trustworthy End-to-end tests are…
Targeted Fast Reliable Cheap Trustworthy End-to-end tests are…
Manual tests
Isn’t there a better way?
Contract testing
Contract testing
User Service Response Request Billing Service ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF ATLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Consumer Provider
Verifying Microservice Integrations with Contract Testing
User service Response Request Billing Service ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF ATLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G
~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING URCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service Code Tests Pact mock
~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING URCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service Pact Code Tests
~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING URCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service Pact Code Tests
Response Billing Service Request User service Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF ATLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G
Sharing Pact files
Sharing Pact files File system
Sharing Pact files File system URL
Sharing Pact files File system URL Pact Broker
Pact Response Billing Service User service Request ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF ATLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G
Billing Service User service Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF ATLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G
Verifying Microservice Integrations with Contract Testing
Response Billing Service User Service Request Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF ATLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G {
 users: …
 } {
 user: …
 }
Talk to each other.
~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service User Service Pact
Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service User Service {
 user: “Ben”
 }
Pact {
 user: “Ben”
 } ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service User Service {
 user: “Ben”
 }
{
 user: “Ben”
 } Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service User Service {
 user: “Ben”
 } {
 user: “Mauri”
 }
{
 user: “Ben”
 } Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service User Service {
 user: “Ben”
 } {
 user: “Mauri”
 } {
 user: null
 }
{
 user: “Ben”
 } Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service User Service {
 user: “Ben”
 } {
 user: “Mauri”
 } {
 user: null
 }
Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service User Service {
 user: “Ben”
 }
{
 state: “Ben @ DB”
 user: “Ben”
 } Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service User Service {
 user: “Ben”
 } Response Request
Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service User Service Response Request {
 user: “Ben”
 } (State: Ben @ DB)
Talk to each other.
Talk to each other. Seriously, it works.
Billing Service User Service Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF ATLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Response Request {
 user: …
 } {
 users: …
 } {
 user: …
 }
~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF ATLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G User Service Pact Billing Service ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF ATLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G
Closing the loop
Closing the loop Manually
Manually Directly Closing the loop
Manually Directly Pact Broker webhook Closing the loop
Manually Directly Pact Broker webhook Swagger 
 validator Closing the loop
Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service User Service Response Request
Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service User Service
Contract tests are…
Trustworthy Contract tests are…
Contract tests are… Trustworthy Fast
Contract tests are… Trustworthy Fast Reliable
Contract tests are… Trustworthy Fast Reliable Targeted
Contract tests are… Trustworthy Fast Reliable Targeted Cheap
Getting started
pact.io
Supported Beta Java
 
 .NET
 
 Ruby JavaScript
 Python
 Swift
 Go
“Convince me”
BEN SAYERS
 DEV • ATLASSIAN
 @BENSAYERSDEV Verifying Microservice Integrations with Contract Testing MAURI EDO
 QA • ATLASSIAN @MAURI_EDO

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Verifying Microservice Integrations with Contract Testing

  • 1. Verifying Microservice Integrations with Contract Testing BEN SAYERS
 DEV • ATLASSIAN
 @BENSAYERSDEV MAURI EDO
 QA • ATLASSIAN @MAURI_EDO
  • 2. Based on a true story.
  • 3. Why didn’t your tests catch this?
  • 4. So… How do you test?
  • 6. ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing service Mock User Service Response Request
  • 7. Mock client Response Request Billing service Mock User Service Response Request ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G
  • 9. Tests that mock dependencies are…
  • 10. Trustworthy Tests that mock dependencies are…
  • 11. Tests that mock dependencies are… Trustworthy Cheap
  • 12. Tests that mock dependencies are… Trustworthy Cheap Fast
  • 13. Tests that mock dependencies are… Trustworthy Cheap Fast Reliable
  • 14. Tests that mock dependencies are… Trustworthy Cheap Fast Reliable Targeted
  • 16. User Service Response Request Billing Service ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G
  • 17. User Service Response Request Billing Service~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service Email Service Response Request ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G
  • 30. End-to-end
 tests JIRA Billing Service ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G User Service Email Service
  • 34. Isn’t there a better way?
  • 37. User Service Response Request Billing Service ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF ATLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Consumer Provider
  • 39. User service Response Request Billing Service ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF ATLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G
  • 40. ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING URCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service Code Tests Pact mock
  • 41. ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING URCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service Pact Code Tests
  • 42. ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING URCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service Pact Code Tests
  • 43. Response Billing Service Request User service Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF ATLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G
  • 47. Sharing Pact files File system URL Pact Broker
  • 48. Pact Response Billing Service User service Request ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF ATLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G
  • 49. Billing Service User service Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF ATLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G
  • 51. Response Billing Service User Service Request Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF ATLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G {
 users: …
 } {
 user: …
 }
  • 52. Talk to each other.
  • 53. ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service User Service Pact
  • 54. Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service User Service {
 user: “Ben”
 }
  • 55. Pact {
 user: “Ben”
 } ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service User Service {
 user: “Ben”
 }
  • 56. {
 user: “Ben”
 } Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service User Service {
 user: “Ben”
 } {
 user: “Mauri”
 }
  • 57. {
 user: “Ben”
 } Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service User Service {
 user: “Ben”
 } {
 user: “Mauri”
 } {
 user: null
 }
  • 58. {
 user: “Ben”
 } Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service User Service {
 user: “Ben”
 } {
 user: “Mauri”
 } {
 user: null
 }
  • 59. Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service User Service {
 user: “Ben”
 }
  • 60. {
 state: “Ben @ DB”
 user: “Ben”
 } Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service User Service {
 user: “Ben”
 } Response Request
  • 61. Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service User Service Response Request {
 user: “Ben”
 } (State: Ben @ DB)
  • 62. Talk to each other.
  • 63. Talk to each other. Seriously, it works.
  • 64. Billing Service User Service Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF ATLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Response Request {
 user: …
 } {
 users: …
 } {
 user: …
 }
  • 65. ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF ATLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G User Service Pact Billing Service ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF ATLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G
  • 69. Manually Directly Pact Broker webhook Closing the loop
  • 70. Manually Directly Pact Broker webhook Swagger 
 validator Closing the loop
  • 71. Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service User Service Response Request
  • 72. Pact ~GREED IS GOOD~TH E FUTUREOFAT LASSIAN PURC H A SING O FF-SITE 2016 PU RC H A SIN G ~G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING OFF-SITE 201 6P U R C H A S I N G ~GR EED ISGOOD ~ T HEFUTUREO F ATLASSIAN PU R C HASING OFF-SITE 201 6 P U R C H A S I N G ~GREEDIS G O OD~THEFUT U RE OF ATLASS IAN PURCHASI N G OFF-SITE 2016 P U R C H A S I N G ~ G REEDISGOO D ~ THEFUTURE O F ATLASSIAN PURCHASING ~ G REEDISGOOD ~ THEFUTURE O F ATLASSIAN P U RCHASING OFF-SITE 201 6 P U R C H A S I N G ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~GREED IS GOOD~THE F U TURE OF ATLA SSIANPURCHA SING O FF-SIT E 2016 P U R C H A S IN G ~GRE ED ISGOOD~ T H E FUTURE OF A TLASSIANPUR C HASING OFF-SITE2016 PURCHASING ~GR EED ISGOOD~ T H EFUTUREOF A TLASSIAN PU R C HASING OFF-SITE 201 6 ~ G R EEDISGOOD ~ THEFUTUREO F ATLASSIAN PU RCHASING PURCHASING ~ GREED IS GOOD~THE FUTUREOFATL A SSIANPURCH A SING ~ GREEDISGO O D ~THEFUTUR E OF ATLASSIA N PURCHASING OFF-SITE 201 6 P U R C H A S I N G ~SHO W M ETHEMON E Y ~THEFUTU RE O F P U R CH A SING AT L A S S I A N P U R C H A S I N G Billing Service User Service
  • 83. BEN SAYERS
 DEV • ATLASSIAN
 @BENSAYERSDEV Verifying Microservice Integrations with Contract Testing MAURI EDO
 QA • ATLASSIAN @MAURI_EDO