126 строки
3.8 KiB
Go
126 строки
3.8 KiB
Go
package terraform_module_test_helper
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import (
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"fmt"
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"io"
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"os"
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"path/filepath"
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"testing"
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"time"
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"github.com/gruntwork-io/terratest/modules/files"
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"github.com/gruntwork-io/terratest/modules/logger"
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"github.com/gruntwork-io/terratest/modules/terraform"
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test_structure "github.com/gruntwork-io/terratest/modules/test-structure"
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terratest "github.com/gruntwork-io/terratest/modules/testing"
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"github.com/stretchr/testify/require"
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)
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var copyLock = &KeyedMutex{}
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type TerraformOutput = map[string]interface{}
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type testExecutor interface {
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TearDown(t *testing.T, rootDir string, modulePath string)
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Logger() logger.TestLogger
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}
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var _ testExecutor = e2eTestExecutor{}
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type e2eTestExecutor struct{}
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func (e2eTestExecutor) TearDown(t *testing.T, rootDir string, modulePath string) {
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s := SuccessTestVersionSnapshot(rootDir, modulePath)
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if t.Failed() {
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s = FailedTestVersionSnapshot(rootDir, modulePath, "")
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}
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require.NoError(t, s.Save(t))
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}
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func (e2eTestExecutor) Logger() logger.TestLogger {
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l := NewMemoryLogger()
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return l
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}
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func RunE2ETest(t *testing.T, moduleRootPath, exampleRelativePath string, option terraform.Options, assertion func(*testing.T, TerraformOutput)) {
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initAndApplyAndIdempotentTest(t, moduleRootPath, exampleRelativePath, option, assertion, e2eTestExecutor{})
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}
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func initAndApplyAndIdempotentTest(t *testing.T, moduleRootPath string, exampleRelativePath string, option terraform.Options, assertion func(*testing.T, TerraformOutput), executor testExecutor) {
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tryParallel(t)
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defer executor.TearDown(t, moduleRootPath, exampleRelativePath)
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testDir := filepath.Join(moduleRootPath, exampleRelativePath)
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logger.Log(t, fmt.Sprintf("===> Starting test for %s, since we're running tests in parallel, the test log will be buffered and output to stdout after the test was finished.", testDir))
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tmpDir := copyTerraformFolderToTemp(t, moduleRootPath, exampleRelativePath)
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defer func() {
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_ = os.RemoveAll(filepath.Clean(tmpDir))
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}()
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option.TerraformDir = tmpDir
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l := executor.Logger()
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c, ok := l.(io.Closer)
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if ok {
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defer func() {
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_ = c.Close()
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}()
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}
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option.Logger = logger.New(l)
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option = setupRetryLogic(option)
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defer destroy(t, option)
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initAndApply(t, &option)
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if err := initAndPlanAndIdempotentAtEasyMode(t, option); err != nil {
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t.Fatalf(err.Error())
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}
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if assertion != nil {
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assertion(t, terraform.OutputAll(t, removeLogger(option)))
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}
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}
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func copyTerraformFolderToTemp(t *testing.T, moduleRootPath string, exampleRelativePath string) string {
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unlock := copyLock.Lock(exampleRelativePath)
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defer unlock()
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tmpDir := test_structure.CopyTerraformFolderToTemp(t, moduleRootPath, exampleRelativePath)
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return tmpDir
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}
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func initAndApply(t terratest.TestingT, options *terraform.Options) string {
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tfInit(t, options)
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return terraform.Apply(t, options)
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}
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func tfInit(t terratest.TestingT, options *terraform.Options) {
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terraform.Init(t, options)
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}
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func destroy(t *testing.T, option terraform.Options) {
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path := option.TerraformDir
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if !files.IsExistingDir(path) || !files.FileExists(filepath.Join(path, "terraform.tfstate")) {
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return
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}
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option.MaxRetries = 5
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option.TimeBetweenRetries = time.Minute
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option.RetryableTerraformErrors = map[string]string{
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".*": "Retry destroy on any error",
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}
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_, err := terraform.RunTerraformCommandE(t, &option, terraform.FormatArgs(&option, "destroy", "-auto-approve", "-input=false", "-refresh=false")...)
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if err != nil {
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_, err = terraform.DestroyE(t, &option)
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}
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require.NoError(t, err)
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}
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func removeLogger(option terraform.Options) *terraform.Options {
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// default logger might leak sensitive data
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option.Logger = logger.Discard
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return &option
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}
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func retryableOptions(t *testing.T, options terraform.Options) terraform.Options {
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result := terraform.WithDefaultRetryableErrors(t, &options)
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result.RetryableTerraformErrors[".*Please try again.*"] = "Service side suggest retry."
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return *result
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}
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