Testing in the 21st Century
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Testing in the 21st Century As Unicorns Alex Soto Red Hat Engineer @alexsotob
Transcript of Testing in the 21st Century
Testing in the 21st CenturyAs Unicorns
Alex SotoRed Hat Engineer@alexsotob
@alexsotob2
Alex Soto
Red Hat Engineer
www.lordofthejars.com
@alexsotob
Who Am I?
@alexsotob3
https://www.manning.com/books/testing-java-microservices
S O F T WA R E I S E AT I N G T H E W O R L D
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“With great power, there must also come—great responsibility.”
—SPIDERMAN (STAN LEE)
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Testing
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Testing Evolution to micro services world
Manual Tests
After Code Automatic
Test
Test First TDD and BDD
Service Virtualization
and CDC
Testing in Production
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Micro Services architecture
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Service Virtualization
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@Mock EmailService email;
Mockito.when(email.receiveBodyMessagesWithSubject("My Subject”)) .thenReturn("This is My Message")
// Test calls
Mockito.verify(email, Mockito.times(1)) .receiveBodyMessagesWithSubject(Matchers.anyString());
@ClassRule public static HoverflyRule hoverflyRule = HoverflyRule.inSimulationMode(SimulationSource.dsl( service("api.flight.com") .get("/api/bookings/1") .willReturn(success("{\"bookingId\":\"1\"\}", "application/json")) ));
// Test calls
hoverfly.verify( service(matches("*.flight.*")) .get("/api/bookings") .anyQueryParams());
Record Method Expectation
Verify Method Called
Record Service Expectation
Verify Service Called
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Contract Tests
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Consumer
request
response Stub Server
expectations
Provider
request
response
Result
Define Consumer Expectations Verify Expectations On Provider
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We are on Production
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Shit! We break Production Environment
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Blue-Green Deployments
Starts with a “git commit and git push”
Blue/Green Deployment
DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS
BUILDSCM
Blue/Green Deployment
DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS
BUILDSCM
Blue/Green Deployment
DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS
BUILDSCM
Blue/Green Deployment
DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS
BUILDSCM
Blue/Green Deployment
DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS
BUILDSCM
Blue/Green Deployment
DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS
SCM
Blue/Green Deployment
DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS
SCM
@alexsotob29
Canary Release
Canary Deployment
DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS
SCM
Canary Deployment
DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS
SCM
Canary Deployment
DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS
SCM
Canary Deployment
DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS
SCM
Canary Deployment
DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS
SCM
Canary Deployment
DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS
SCM
Canary Deployment
DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS
SCM
Canary Deployment
DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS
SCM
Canary Deployment
DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS
SCM
Canary Deployment
DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS
SCM
@alexsotob @AndyGeeDe40
Dark Launches
Dark Launches
DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS
SCM
INTERNAL USERS
Dark Launches
DEVELOPMENT QA STAGING PRODUCTION ROUTER USERS
SCM
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Business Logic
Centralized Configuration
Distributed Tracing
Service Discovery
Load Balancing
Circuit Breaking
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NETFLIX Ribbon
Config Server
Java Microservices Platform circa 2016
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Istio
Java Microservices Platform circa 2018
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Let’s Wind Down
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Tests are a Team
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Secure Your Steps
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Automate Everything
“Change is the essential process of all of existence.”
—SPOCK
