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test: ignore golden template files with -update

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Add a template values check in the `assertGoldenTemplateFile()` function
to only update golden files if they aren't templates. A note is printed
when an update to a template golden file is needed and `-update` flag
can't update it.

Signed-off-by: Sunny <darkowlzz@protonmail.com>
This commit is contained in:
Sunny 2022-02-28 08:56:08 +05:30
parent edaf6ca522
commit 2c4c3fd749
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3 changed files with 24 additions and 5 deletions
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12
CONTRIBUTING.md
View file

@ -103,6 +103,18 @@ files used in the test, pass `-update` flag to the test as:
make e2e TEST_ARGS="-update"
```
Since not all packages use golden files for testing, `-update` argument must be
passed only for the packages that use golden files. Use the variables
`TEST_PKG_PATH` for unit tests and `E2E_TEST_PKG_PATH` for e2e tests, to set the
path of the target test package:
```bash
# Unit test
make test TEST_PKG_PATH="./cmd/flux" TEST_ARGS="-update"
# e2e test
make e2e E2E_TEST_PKG_PATH="./cmd/flux" TEST_ARGS="-update"
```
Teardown the e2e environment with:
```bash

6
Makefile
View file

@ -35,11 +35,13 @@ cleanup-kind:
rm $(TEST_KUBECONFIG)
KUBEBUILDER_ASSETS?="$(shell $(ENVTEST) --arch=$(ENVTEST_ARCH) use -i $(ENVTEST_KUBERNETES_VERSION) --bin-dir=$(ENVTEST_ASSETS_DIR) -p path)"
TEST_PKG_PATH="./..."
test: $(EMBEDDED_MANIFESTS_TARGET) tidy fmt vet install-envtest
KUBEBUILDER_ASSETS="$(KUBEBUILDER_ASSETS)" go test ./... -coverprofile cover.out --tags=unit
KUBEBUILDER_ASSETS="$(KUBEBUILDER_ASSETS)" go test $(TEST_PKG_PATH) -coverprofile cover.out --tags=unit $(TEST_ARGS)
E2E_TEST_PKG_PATH="./cmd/flux/..."
e2e: $(EMBEDDED_MANIFESTS_TARGET) tidy fmt vet
TEST_KUBECONFIG=$(TEST_KUBECONFIG) go test ./cmd/flux/... -coverprofile e2e.cover.out --tags=e2e -v -failfast $(TEST_ARGS)
TEST_KUBECONFIG=$(TEST_KUBECONFIG) go test $(E2E_TEST_PKG_PATH) -coverprofile e2e.cover.out --tags=e2e -v -failfast $(TEST_ARGS)
test-with-kind: install-envtest
make setup-kind

11
cmd/flux/main_test.go
View file

@ -304,10 +304,15 @@ func assertGoldenTemplateFile(goldenFile string, templateValues map[string]strin
if assertErr := assertGoldenValue(expectedOutput)(output, err); assertErr != nil {
// Update the golden files if comparision fails and the update flag is set.
if *update && output != "" {
if err := os.WriteFile(goldenFile, []byte(output), 0644); err != nil {
return fmt.Errorf("failed to update golden file '%s': %v", goldenFile, err)
// Skip update if there are template values.
if len(templateValues) > 0 {
fmt.Println("NOTE: -update flag passed but golden template files can't be updated, please update it manually")
} else {
if err := os.WriteFile(goldenFile, []byte(output), 0644); err != nil {
return fmt.Errorf("failed to update golden file '%s': %v", goldenFile, err)
}
return nil
}
return nil
}
return fmt.Errorf("Mismatch from golden file '%s': %v", goldenFile, assertErr)
}