126 lines
3.6 KiB
Go
126 lines
3.6 KiB
Go
// Copyright 2020-2021 the Pinniped contributors. All Rights Reserved.
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// SPDX-License-Identifier: Apache-2.0
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package integration
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import (
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"os"
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"reflect"
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"strings"
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"testing"
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"unsafe"
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"go.pinniped.dev/test/testlib"
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)
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func TestMain(m *testing.M) {
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if os.Getenv("PINNIPED_TEST_GOLAND_RUNNER") != "true" {
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// When running integration tests from inside GoLand, do not modify them.
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// If the test gets nested under TestIntegrationSerial or the other groups,
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// then you cannot run/debug a focused integration test in GoLand because the
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// name of the test changes in a way that GoLand does not expect due to
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// the nesting.
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splitIntegrationTestsIntoBuckets(m)
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}
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os.Exit(m.Run())
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}
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func splitIntegrationTestsIntoBuckets(m *testing.M) {
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// this is some dark magic to set a private field
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testsField := reflect.ValueOf(m).Elem().FieldByName("tests")
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testsPointer := (*[]testing.InternalTest)(unsafe.Pointer(testsField.UnsafeAddr()))
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tests := *testsPointer
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if len(tests) == 0 {
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return
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}
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var serialTests, parallelTests, disruptiveTests, finalTests []testing.InternalTest
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for _, test := range tests {
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test := test
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// top level integration tests the end with the string _Parallel
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// are indicating that they are safe to run in parallel with
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// other serial tests (which Go does not let you easily express).
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// top level tests that want the standard Go behavior of only running
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// parallel tests with other parallel tests should use the regular
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// t.Parallel() approach. this has no effect on any subtest.
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switch {
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case strings.HasSuffix(test.Name, "_Parallel"):
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parallelTests = append(parallelTests, test)
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// top level integration tests the end with the string _Disruptive
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// are indicating that they are never safe to run with any other
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// test because they break the underlying cluster in some way.
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case strings.HasSuffix(test.Name, "_Disruptive"):
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disruptiveTests = append(disruptiveTests, test)
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default:
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serialTests = append(serialTests, test)
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}
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}
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serialTest := testing.InternalTest{
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Name: "TestIntegrationSerial",
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F: func(t *testing.T) {
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_ = testlib.IntegrationEnv(t) // make sure these tests do not run during unit tests
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t.Parallel() // outer test always runs in parallel for this bucket
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for _, test := range serialTests {
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test := test
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t.Run(test.Name, func(t *testing.T) {
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test.F(t) // inner serial tests do not run in parallel
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})
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}
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},
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}
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parallelTest := testing.InternalTest{
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Name: "TestIntegrationParallel",
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F: func(t *testing.T) {
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_ = testlib.IntegrationEnv(t) // make sure these tests do not run during unit tests
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t.Parallel() // outer test always runs in parallel for this bucket
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for _, test := range parallelTests {
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test := test
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t.Run(test.Name, func(t *testing.T) {
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t.Parallel() // inner parallel tests do run in parallel
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test.F(t)
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})
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}
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},
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}
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disruptiveTest := testing.InternalTest{
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Name: "TestIntegrationDisruptive",
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F: func(t *testing.T) {
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_ = testlib.IntegrationEnv(t) // make sure these tests do not run during unit tests
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// outer test never runs in parallel for this bucket
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for _, test := range disruptiveTests {
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test := test
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t.Run(test.Name, func(t *testing.T) {
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test.F(t) // inner disruptive tests do not run in parallel
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})
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}
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},
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}
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if len(parallelTests) > 0 {
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finalTests = append(finalTests, parallelTest)
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}
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if len(serialTests) > 0 {
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finalTests = append(finalTests, serialTest)
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}
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if len(disruptiveTests) > 0 {
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finalTests = append(finalTests, disruptiveTest)
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}
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*testsPointer = finalTests
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}
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