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package spec3
import (
"encoding/json"
"fmt"
"io"
"os"
"reflect"
"testing"
"github.com/google/go-cmp/cmp"
fuzz "github.com/google/gofuzz"
"k8s.io/kube-openapi/pkg/internal"
jsontesting "k8s.io/kube-openapi/pkg/util/jsontesting"
"k8s.io/kube-openapi/pkg/validation/spec"
)
// cmp.Diff panics when reflecting unexported fields under jsonreference.Ref
// a custom comparator is required
var swaggerDiffOptions = []cmp.Option{cmp.Comparer(func(a spec.Ref, b spec.Ref) bool {
return a.String() == b.String()
})}
func TestOpenAPIV3RoundTrip(t *testing.T) {
var fuzzer *fuzz.Fuzzer
fuzzer = fuzz.NewWithSeed(1646791953)
// Make sure we have enough depth such that maps do not yield nil elements
fuzzer.MaxDepth(22).NilChance(0.5).NumElements(1, 7)
fuzzer.Funcs(OpenAPIV3FuzzFuncs...)
expected := &OpenAPI{}
fuzzer.Fuzz(expected)
j, err := json.Marshal(expected)
if err != nil {
t.Fatal(err)
}
var actual *OpenAPI
err = json.Unmarshal(j, &actual)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(expected, actual) {
t.Fatal(cmp.Diff(expected, actual, swaggerDiffOptions...))
}
}
func TestOpenAPIV3Deserialize(t *testing.T) {
swagFile, err := os.Open("./testdata/appsv1spec.json")
if err != nil {
t.Fatal(err)
}
defer swagFile.Close()
originalJSON, err := io.ReadAll(swagFile)
if err != nil {
t.Fatal(err)
}
internal.UseOptimizedJSONUnmarshalingV3 = false
var result1 *OpenAPI
if err := json.Unmarshal(originalJSON, &result1); err != nil {
t.Fatal(err)
}
internal.UseOptimizedJSONUnmarshalingV3 = true
var result2 *OpenAPI
if err := json.Unmarshal(originalJSON, &result2); err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(result1, result2) {
t.Fatal(cmp.Diff(result1, result2, swaggerDiffOptions...))
}
}
func TestOpenAPIV3Serialize(t *testing.T) {
swagFile, err := os.Open("./testdata/appsv1spec.json")
if err != nil {
t.Fatal(err)
}
defer swagFile.Close()
originalJSON, err := io.ReadAll(swagFile)
if err != nil {
t.Fatal(err)
}
var openapi *OpenAPI
if err := json.Unmarshal(originalJSON, &openapi); err != nil {
t.Fatal(err)
}
internal.UseOptimizedJSONUnmarshalingV3 = false
want, err := json.Marshal(openapi)
if err != nil {
t.Fatal(err)
}
internal.UseOptimizedJSONUnmarshalingV3 = true
got, err := openapi.MarshalJSON()
if err != nil {
t.Fatal(err)
}
if err := jsontesting.JsonCompare(want, got); err != nil {
t.Errorf("marshal doesn't match: %v", err)
}
}
func TestOpenAPIV3SerializeFuzzed(t *testing.T) {
var fuzzer *fuzz.Fuzzer
fuzzer = fuzz.NewWithSeed(1646791953)
fuzzer.MaxDepth(13).NilChance(0.075).NumElements(1, 2)
fuzzer.Funcs(OpenAPIV3FuzzFuncs...)
for i := 0; i < 100; i++ {
openapi := &OpenAPI{}
fuzzer.Fuzz(openapi)
internal.UseOptimizedJSONUnmarshalingV3 = false
want, err := json.Marshal(openapi)
if err != nil {
t.Fatal(err)
}
internal.UseOptimizedJSONUnmarshalingV3 = true
got, err := openapi.MarshalJSON()
if err != nil {
t.Fatal(err)
}
if err := jsontesting.JsonCompare(want, got); err != nil {
t.Errorf("fuzzed marshal doesn't match: %v", err)
}
}
}
func TestOpenAPIV3SerializeStable(t *testing.T) {
swagFile, err := os.Open("./testdata/appsv1spec.json")
if err != nil {
t.Fatal(err)
}
defer swagFile.Close()
originalJSON, err := io.ReadAll(swagFile)
if err != nil {
t.Fatal(err)
}
var openapi *OpenAPI
if err := json.Unmarshal(originalJSON, &openapi); err != nil {
t.Fatal(err)
}
internal.UseOptimizedJSONUnmarshalingV3 = true
for i := 0; i < 5; i++ {
t.Run(fmt.Sprintf("%d", i), func(t *testing.T) {
want, err := openapi.MarshalJSON()
if err != nil {
t.Fatal(err)
}
got, err := openapi.MarshalJSON()
if err != nil {
t.Fatal(err)
}
if err := jsontesting.JsonCompare(want, got); err != nil {
t.Errorf("marshal doesn't match: %v", err)
}
})
}
}
func BenchmarkOpenAPIV3Deserialize(b *testing.B) {
benchcases := []struct {
file string
}{
{
file: "appsv1spec.json",
},
{
file: "authorizationv1spec.json",
},
}
for _, bc := range benchcases {
swagFile, err := os.Open("./testdata/" + bc.file)
if err != nil {
b.Fatal(err)
}
defer swagFile.Close()
originalJSON, err := io.ReadAll(swagFile)
if err != nil {
b.Fatal(err)
}
b.ResetTimer()
b.Run(fmt.Sprintf("%s jsonv1", bc.file), func(b2 *testing.B) {
b2.ReportAllocs()
internal.UseOptimizedJSONUnmarshaling = false
internal.UseOptimizedJSONUnmarshalingV3 = false
for i := 0; i < b2.N; i++ {
var result *OpenAPI
if err := json.Unmarshal(originalJSON, &result); err != nil {
b2.Fatal(err)
}
}
})
b.Run(fmt.Sprintf("%s jsonv2 via jsonv1 schema only", bc.file), func(b2 *testing.B) {
b2.ReportAllocs()
internal.UseOptimizedJSONUnmarshaling = true
internal.UseOptimizedJSONUnmarshalingV3 = false
for i := 0; i < b2.N; i++ {
var result *OpenAPI
if err := json.Unmarshal(originalJSON, &result); err != nil {
b2.Fatal(err)
}
}
})
b.Run(fmt.Sprintf("%s jsonv2 via jsonv1 full spec", bc.file), func(b2 *testing.B) {
b2.ReportAllocs()
internal.UseOptimizedJSONUnmarshaling = true
internal.UseOptimizedJSONUnmarshalingV3 = true
for i := 0; i < b2.N; i++ {
var result *OpenAPI
if err := json.Unmarshal(originalJSON, &result); err != nil {
b2.Fatal(err)
}
}
})
b.Run("jsonv2", func(b2 *testing.B) {
b2.ReportAllocs()
internal.UseOptimizedJSONUnmarshaling = true
internal.UseOptimizedJSONUnmarshalingV3 = true
for i := 0; i < b2.N; i++ {
var result *OpenAPI
if err := result.UnmarshalJSON(originalJSON); err != nil {
b2.Fatal(err)
}
}
})
}
}
func BenchmarkOpenAPIV3Serialize(b *testing.B) {
benchcases := []struct {
file string
}{
{
file: "appsv1spec.json",
},
{
file: "authorizationv1spec.json",
},
}
for _, bc := range benchcases {
swagFile, err := os.Open("./testdata/" + bc.file)
if err != nil {
b.Fatal(err)
}
defer swagFile.Close()
originalJSON, err := io.ReadAll(swagFile)
if err != nil {
b.Fatal(err)
}
var openapi *OpenAPI
if err := json.Unmarshal(originalJSON, &openapi); err != nil {
b.Fatal(err)
}
b.ResetTimer()
b.Run(fmt.Sprintf("%s jsonv1", bc.file), func(b2 *testing.B) {
b2.ReportAllocs()
internal.UseOptimizedJSONMarshalingV3 = false
for i := 0; i < b2.N; i++ {
if _, err := json.Marshal(openapi); err != nil {
b2.Fatal(err)
}
}
})
b.Run(fmt.Sprintf("%s jsonv2 via jsonv1 full spec", bc.file), func(b2 *testing.B) {
b2.ReportAllocs()
internal.UseOptimizedJSONMarshalingV3 = true
for i := 0; i < b2.N; i++ {
if _, err := json.Marshal(openapi); err != nil {
b2.Fatal(err)
}
}
})
b.Run("jsonv2", func(b2 *testing.B) {
b2.ReportAllocs()
internal.UseOptimizedJSONMarshalingV3 = true
for i := 0; i < b2.N; i++ {
if _, err := openapi.MarshalJSON(); err != nil {
b2.Fatal(err)
}
}
})
}
}
|
