ContainerImage.Pinniped/test/integration/main_test.go

119 lines
3.2 KiB
Go

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