Verifying microservice integrations with contract testing

Verifying Microservice Integrations with Contract Testing

BEN SAYERS DEV • ATLASSIAN @BENSAYERSDEV

MAURI EDO QE • ATLASSIAN

@MAURI_EDO

Based on a true story.

Why didn’t your tests catch this?

So… How do you test?

Mocked dependencies

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Manual tests

Isn’t there a better way?

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ME THE MONEY~

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{ user: “Ben” }

{ user: “Mauri” }

{ user: “Ben” }

Pact

~ G

REED IS GOOD~ THE F

UT

UR

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SING

OFF-S ITE 201 6

P U R C H A S I N G

~ GREED IS GOOD~ T

HE

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~ GREED IS GOOD~ T

HE

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SING

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P U R C H A S I N G

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O F F - S I T E 2 0 1 6

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~ THE FUTURE OF A

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~ S

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ME THE MONEY~

TH

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{ user: “Ben” }


{ user: null }

{ user: “Ben” }

Pact

~ G

REED IS GOOD~ THE F

UT

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E O


SING

OFF-S ITE 201 6

P U R C H A S I N G

~ GREED IS GOOD~ T

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~ GREED IS GOOD~ T

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SING

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O F F - S I T E 2 0 1 6

P U R C H A S I N G

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HASING

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P U R C H A S I N G

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~ GREED IS GOOD~ T

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~ GREED IS GO

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~ GREED IS GOOD~

TH

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~ S

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{ user: null }

Pact

~ G

REED IS GOOD~ THE F

UT

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SING

OFF-S ITE 201 6

P U R C H A S I N G

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~ GREED IS GOOD~ T

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TH

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~ S

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ME THE MONEY~

TH

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{ user: “Ben” }

{ state: “Ben @ DB” user: “Ben” }

Pact

~ G

REED IS GOOD~ THE F

UT

UR

E O


SING

OFF-S ITE 201 6

P U R C H A S I N G

~ GREED IS GOOD~ T

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~ GREED IS GOOD~ T

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SING

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O F F - S I T E 2 0 1 6

P U R C H A S I N G

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P U R C H A S I N G

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~ GREED IS GOOD~ T

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O F F - S I T E 2 0 1 6

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~ THE FUTURE OF A

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IAN

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Response

Request

Pact

~ G

REED IS GOOD~ THE F

UT

UR

E O


SING

OFF-S ITE 201 6

P U R C H A S I N G

~ GREED IS GOOD~ T

HE

FUT

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HA

SIN

G


~ GREED IS GOOD~ T

HE

FUT

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G

O F F - S I T E 2 0 1 6

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PU

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SING

O F F- S I T E 2 01 6

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HE

FU

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SIN

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~ GREED IS GOOD~ TH

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O F F - S I T E 2 0 1 6

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P U R C H A S I N G

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~ GREED IS GOOD~ T

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O F F - S I T E 2 0 1 6

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~ THE FUTURE OF A

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G

~ GREED IS GO

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~ TH


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~ GREED IS GOOD~

TH

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~ S

HO

W

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TH

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Pact

~ G

REED IS GOOD~ THE F

UT

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SING

OFF-S ITE 201 6

P U R C H A S I N G

~ GREED IS GOOD~ T

HE

FUT

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SIN

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~ GREED IS GOOD~ T

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O F F - S I T E 2 0 1 6

P U R C H A S I N G

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P U R C H A S I N G

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~ GREED IS GOOD~ T

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O F F - S I T E 2 0 1 6

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TH

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ME THE MONEY~

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G



{ user: “Ben” }

Pact

~ G

REED IS GOOD~ THE F

UT

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SING

OFF-S ITE 201 6

P U R C H A S I N G

~ GREED IS GOOD~ T

HE

FUT

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SIN

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~ GREED IS GOOD~ T

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SING

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O F F - S I T E 2 0 1 6

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P U R C H A S I N G

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PU

RC

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~ GREED IS GOOD~ T

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G

O F F - S I T E 2 0 1 6

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~ THE FUTURE OF A

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~ GREED IS GO

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G



Response

Request

{ user: “Ben” }

Talk to each other.

Talk to each other.Seriously, it works.


Pact

~ G

REED IS GOOD~ THE F

UT

UR

E O


SING

OFF-S ITE 201 6

P U R C H A S I N G

~ GREED IS GOOD~ T

HE

FUT

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HA

SIN

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~ GREED IS GOOD~ T

HE

FUT

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TH

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SING

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P U R C H A S I N G

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{ user: … }

{ user: … }


Pact

~ G

REED IS GOOD~ THE F

UT

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SING

OFF-S ITE 201 6

P U R C H A S I N G

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{ users: … }

{ user: … }


Pact

~ G

REED IS GOOD~ THE F

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SING

OFF-S ITE 201 6

P U R C H A S I N G

~ GREED IS GOOD~ T

HE

FUT

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TH

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Response

Request

{ users: … }

{ user: … }

~ G

REED IS GOOD~ THE F

UT

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SING

OFF-S ITE 201 6

P U R C H A S I N G

~ GREED IS GOOD~ T

HE

FUT

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SIN

G


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HE

FUT

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SING

O F F- S I T E 2 01 6

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IAN

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~ GREED IS GO

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TH

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User Service

Pact

Billing Service

~ G

REED IS GOOD~ THE F

UT

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SING

OFF-S ITE 201 6

P U R C H A S I N G

~ GREED IS GOOD~ T

HE

FUT

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User Service

Pact

Billing Service

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 MockValidator

Closing the loop

Pact

~ G

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SING

OFF-S ITE 201 6

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Pact

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OFF-S ITE 201 6

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Response

Request

Pact

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OFF-S ITE 201 6

P U R C H A S I N G

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Contract tests are…

Trustworthy



TrustworthyFast


TrustworthyFast

Reliable


TrustworthyFast

ReliableTargeted


TrustworthyFast

ReliableTargeted Cheap

Getting started

pact.io

Supported Beta

Swift

Python

Go

Java.NETRuby

JavaScript

“Convince me”

BEN SAYERS DEV • ATLASSIAN @BENSAYERSDEV

Verifying Microservice Integrations with Contract Testing

MAURI EDO QE • ATLASSIAN

@MAURI_EDO

Verifying microservice integrations with contract testing

Engineering

Transcript of Verifying microservice integrations with contract testing