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Make JSON schema round tripping test more strict

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This commit is contained in:
Jordan Liggitt 2022-02-05 11:22:42 -05:00
parent 9b09612d1b
commit 064763ebdd
2 changed files with 28 additions and 6 deletions
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1
staging/src/k8s.io/apiextensions-apiserver/go.mod
View File

@ -30,6 +30,7 @@ require (
k8s.io/klog/v2 v2.40.1
k8s.io/kube-openapi v0.0.0-20211115234752-e816edb12b65
k8s.io/utils v0.0.0-20211208161948-7d6a63dca704
sigs.k8s.io/json v0.0.0-20211208200746-9f7c6b3444d2
sigs.k8s.io/structured-merge-diff/v4 v4.2.1
sigs.k8s.io/yaml v1.2.0
)

33
staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/validation/validation_test.go
View File

@ -18,7 +18,14 @@ package validation
import (
"math/rand"
"os"
"strconv"
"testing"
"time"
"github.com/google/go-cmp/cmp"
kjson "sigs.k8s.io/json"
"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions"
apiextensionsfuzzer "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/fuzzer"
@ -46,12 +53,21 @@ func TestRoundTrip(t *testing.T) {
t.Fatal(err)
}
seed := rand.Int63()
t.Logf("seed: %d", seed)
seed := int64(time.Now().Nanosecond())
if override := os.Getenv("TEST_RAND_SEED"); len(override) > 0 {
overrideSeed, err := strconv.Atoi(override)
if err != nil {
t.Fatal(err)
}
seed = int64(overrideSeed)
t.Logf("using overridden seed: %d", seed)
} else {
t.Logf("seed (override with TEST_RAND_SEED if desired): %d", seed)
}
fuzzerFuncs := fuzzer.MergeFuzzerFuncs(apiextensionsfuzzer.Funcs)
f := fuzzer.FuzzerFor(fuzzerFuncs, rand.NewSource(seed), codecs)
for i := 0; i < 20; i++ {
for i := 0; i < 50; i++ {
// fuzz internal types
internal := &apiextensions.JSONSchemaProps{}
f.Fuzz(internal)
@ -70,8 +86,10 @@ func TestRoundTrip(t *testing.T) {
// JSON -> in-memory JSON => convertNullTypeToNullable => JSON
var j interface{}
if err := json.Unmarshal(openAPIJSON, &j); err != nil {
if strictErrs, err := kjson.UnmarshalStrict(openAPIJSON, &j); err != nil {
t.Fatal(err)
} else if len(strictErrs) > 0 {
t.Fatal(strictErrs)
}
j = stripIntOrStringType(j)
openAPIJSON, err = json.Marshal(j)
@ -81,8 +99,10 @@ func TestRoundTrip(t *testing.T) {
// JSON -> external
external := &apiextensionsv1.JSONSchemaProps{}
if err := json.Unmarshal(openAPIJSON, external); err != nil {
if strictErrs, err := kjson.UnmarshalStrict(openAPIJSON, external); err != nil {
t.Fatal(err)
} else if len(strictErrs) > 0 {
t.Fatal(strictErrs)
}
// external -> internal
@ -92,7 +112,8 @@ func TestRoundTrip(t *testing.T) {
}
if !apiequality.Semantic.DeepEqual(internal, internalRoundTripped) {
t.Fatalf("%d: expected\n\t%#v, got \n\t%#v", i, internal, internalRoundTripped)
t.Log(string(openAPIJSON))
t.Fatalf("%d: unexpected diff\n\t%s", i, cmp.Diff(internal, internalRoundTripped))
}
}
}