Add lifecycle module: @BeforeAll/@AfterAll demos on JUnit 6.1.3

Co-Authored-By: Claude Sonnet 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01KqJyCidz3ZgRyHABv2GVJh

lifecycle/output/01-static-default.txt

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+@BeforeAll static (no instance yet)
+a() instance=342198178
+b() instance=1988644427
+@AfterAll static
+-- results --
+SUCCESSFUL a()
+SUCCESSFUL b()
+SUCCESSFUL Fixtures$StaticHooks

lifecycle/output/02-per-class.txt

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+@BeforeAll instance, counter=100
+a() instance=18179709 counter=101
+b() instance=18179709 counter=102
+@AfterAll instance, counter=102
+-- results --
+SUCCESSFUL a()
+SUCCESSFUL b()
+SUCCESSFUL Fixtures$PerClassHooks

lifecycle/output/03-non-static-rejected.txt

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+-- results --
+FAILED     <engine>  DiscoveryIssueException: TestEngine with ID 'junit-jupiter' encountered a critical issue during test discovery:
+
+(1) [ERROR] @BeforeAll method 'void com.ankurm.tutorials.junit.lifecycle.Fixtures$NonStaticWithoutPerClass.setupAll()' must be static unless the test class is annotated with @TestInstance(Lifecycle.PER_CLASS).
+    Source: MethodSource [className = 'com.ankurm.tutorials.junit.lifecycle.Fixtures$NonStaticWithoutPerClass', methodName = 'setupAll', methodParameterTypes = '']
+            at com.ankurm.tutorials.junit.lifecycle.Fixtures$NonStaticWithoutPerClass.setupAll(SourceFile:0)

lifecycle/output/04-beforeall-fails.txt

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+@BeforeAll start: about to fail
+@AfterAll stop: resource is null
+-- results --
+FAILED     Fixtures$BeforeAllFails  IllegalStateException: container did not start

lifecycle/output/05-afterall-unguarded.txt

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+@AfterAll stop (unguarded)
+-- results --
+FAILED     Fixtures$BeforeAllFailsUnguarded  IllegalStateException: container did not start
+             suppressed NullPointerException: Cannot invoke "java.lang.AutoCloseable.close()" because "com.ankurm.tutorials.junit.lifecycle.Fixtures$BeforeAllFailsUnguarded.resource" is null

lifecycle/output/06-afterall-throws.txt

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+a() ran
+@AfterAll closeDatabase
+@AfterAll deleteFiles
+-- results --
+SUCCESSFUL a()
+FAILED     Fixtures$AfterAllThrows  IllegalStateException: db close failed

lifecycle/output/07-inheritance.txt

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+Base @BeforeAll
+Sub @BeforeAll
+Sub a()
+Sub @AfterAll
+Base @AfterAll
+-- results --
+SUCCESSFUL a()
+SUCCESSFUL Fixtures$Sub

lifecycle/output/08-hiding.txt

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+HidingBase.init
+HidingSub.init
+HidingSub a()
+-- results --
+SUCCESSFUL a()
+SUCCESSFUL Fixtures$HidingSub

lifecycle/output/09-two-beforeall.txt

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+second
+first
+third
+a()
+-- results --
+SUCCESSFUL a()
+SUCCESSFUL Fixtures$TwoBeforeAllInOneClass

lifecycle/output/10-nested.txt

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+Outer @BeforeAll
+outer test
+Inner static @BeforeAll
+inner test
+Inner static @AfterAll
+Outer @AfterAll
+-- results --
+SUCCESSFUL outerTest()
+SUCCESSFUL innerTest()
+SUCCESSFUL Inner
+SUCCESSFUL Fixtures$OuterWithNested

lifecycle/output/11-shared-tempdir.txt

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+@BeforeAll seeded junit-<n>
+a() reads: seeded once
+b() reads: seeded once
+@AfterAll dir still exists: true
+-- results --
+SUCCESSFUL a()
+SUCCESSFUL b()
+SUCCESSFUL Fixtures$SharedTempDir

lifecycle/output/12-extension-store.txt

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+server STARTED
+UsesServerA test
+UsesServerB test
+server CLOSED
+-- results --
+SUCCESSFUL a()
+SUCCESSFUL Fixtures$UsesServerA
+SUCCESSFUL b()
+SUCCESSFUL Fixtures$UsesServerB

lifecycle/output/13-default-per-class-config.txt

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+setupAll ran
+test ran
+-- results --
+SUCCESSFUL a()
+SUCCESSFUL Fixtures$NonStaticWithoutPerClass