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Add check for unused API compatibility fixture files

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This commit is contained in:
Jordan Liggitt 2022-02-10 17:31:59 -05:00
parent 05bfa26791
commit bd405cd8b0
2 changed files with 40 additions and 11 deletions
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3
hack/update-generated-api-compatibility-data.sh
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@ -26,6 +26,9 @@ kube::golang::setup_env
# run in module mode to match test command in readme.md
export GO111MODULE=on
# Nuke old files so we don't accidentally carry stuff forward.
rm -f staging/src/k8s.io/api/testdata/HEAD/*.{yaml,json,pb}
# UPDATE_COMPATIBILITY_FIXTURE_DATA=true regenerates fixture data if needed.
# -run //HEAD only runs the test cases comparing against testdata for HEAD.
# We suppress the output because we are expecting to have changes.

48
staging/src/k8s.io/apimachinery/pkg/api/apitesting/roundtrip/compatibility.go
View File

@ -268,28 +268,46 @@ func CompatibilityTestFuzzer(scheme *runtime.Scheme, fuzzFuncs []interface{}) *f
}
func (c *CompatibilityTestOptions) Run(t *testing.T) {
usedHEADFixtures := sets.NewString()
for _, gvk := range c.Kinds {
t.Run(makeName(gvk), func(t *testing.T) {
t.Run("HEAD", func(t *testing.T) {
c.runCurrentVersionTest(t, gvk)
c.runCurrentVersionTest(t, gvk, usedHEADFixtures)
})
for _, previousVersionDir := range c.TestDataDirsPreviousVersions {
t.Run(filepath.Base(previousVersionDir), func(t *testing.T) {
c.runPreviousVersionTest(t, gvk, previousVersionDir)
c.runPreviousVersionTest(t, gvk, previousVersionDir, nil)
})
}
})
}
// Check for unused HEAD fixtures
t.Run("unused_fixtures", func(t *testing.T) {
files, err := os.ReadDir(c.TestDataDirCurrentVersion)
if err != nil {
t.Fatal(err)
}
allFixtures := sets.NewString()
for _, file := range files {
allFixtures.Insert(file.Name())
}
if unused := allFixtures.Difference(usedHEADFixtures); len(unused) > 0 {
t.Fatalf("remove unused fixtures from %s:\n%s", c.TestDataDirCurrentVersion, strings.Join(unused.List(), "\n"))
}
})
}
func (c *CompatibilityTestOptions) runCurrentVersionTest(t *testing.T, gvk schema.GroupVersionKind) {
func (c *CompatibilityTestOptions) runCurrentVersionTest(t *testing.T, gvk schema.GroupVersionKind, usedFiles sets.String) {
expectedObject := c.FuzzedObjects[gvk]
expectedJSON, expectedYAML, expectedProto := c.encode(t, expectedObject)
actualJSON, actualYAML, actualProto, err := read(c.TestDataDirCurrentVersion, gvk, "")
actualJSON, actualYAML, actualProto, err := read(c.TestDataDirCurrentVersion, gvk, "", usedFiles)
if err != nil && !os.IsNotExist(err) {
t.Fatal(err)
}
@ -387,10 +405,18 @@ func (c *CompatibilityTestOptions) encode(t *testing.T, obj runtime.Object) (jso
return jsonBytes.Bytes(), yamlBytes.Bytes(), protoBytes.Bytes()
}
func read(dir string, gvk schema.GroupVersionKind, suffix string) (json, yaml, proto []byte, err error) {
actualJSON, jsonErr := ioutil.ReadFile(filepath.Join(dir, makeName(gvk)+suffix+".json"))
actualYAML, yamlErr := ioutil.ReadFile(filepath.Join(dir, makeName(gvk)+suffix+".yaml"))
actualProto, protoErr := ioutil.ReadFile(filepath.Join(dir, makeName(gvk)+suffix+".pb"))
func read(dir string, gvk schema.GroupVersionKind, suffix string, usedFiles sets.String) (json, yaml, proto []byte, err error) {
jsonFilename := makeName(gvk) + suffix + ".json"
actualJSON, jsonErr := ioutil.ReadFile(filepath.Join(dir, jsonFilename))
yamlFilename := makeName(gvk) + suffix + ".yaml"
actualYAML, yamlErr := ioutil.ReadFile(filepath.Join(dir, yamlFilename))
protoFilename := makeName(gvk) + suffix + ".pb"
actualProto, protoErr := ioutil.ReadFile(filepath.Join(dir, protoFilename))
if usedFiles != nil {
usedFiles.Insert(jsonFilename)
usedFiles.Insert(yamlFilename)
usedFiles.Insert(protoFilename)
}
if jsonErr != nil {
return actualJSON, actualYAML, actualProto, jsonErr
}
@ -412,8 +438,8 @@ func writeFile(t *testing.T, dir string, gvk schema.GroupVersionKind, suffix, ex
}
}
func (c *CompatibilityTestOptions) runPreviousVersionTest(t *testing.T, gvk schema.GroupVersionKind, previousVersionDir string) {
jsonBeforeRoundTrip, yamlBeforeRoundTrip, protoBeforeRoundTrip, err := read(previousVersionDir, gvk, "")
func (c *CompatibilityTestOptions) runPreviousVersionTest(t *testing.T, gvk schema.GroupVersionKind, previousVersionDir string, usedFiles sets.String) {
jsonBeforeRoundTrip, yamlBeforeRoundTrip, protoBeforeRoundTrip, err := read(previousVersionDir, gvk, "", usedFiles)
if os.IsNotExist(err) || (len(jsonBeforeRoundTrip) == 0 && len(yamlBeforeRoundTrip) == 0 && len(protoBeforeRoundTrip) == 0) {
t.SkipNow()
return
@ -470,7 +496,7 @@ func (c *CompatibilityTestOptions) runPreviousVersionTest(t *testing.T, gvk sche
}
protoAfterRoundTrip := protoBytes.Bytes()
expectedJSONAfterRoundTrip, expectedYAMLAfterRoundTrip, expectedProtoAfterRoundTrip, _ := read(previousVersionDir, gvk, ".after_roundtrip")
expectedJSONAfterRoundTrip, expectedYAMLAfterRoundTrip, expectedProtoAfterRoundTrip, _ := read(previousVersionDir, gvk, ".after_roundtrip", usedFiles)
if len(expectedJSONAfterRoundTrip) == 0 {
expectedJSONAfterRoundTrip = jsonBeforeRoundTrip
}