Add generated file

This PR adds generated files under pkg/client and vendor folder.

vendor/k8s.io/apiextensions-apiserver/pkg/apiserver/customresource_handler_test.go

@@ -0,0 +1,309 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package apiserver
+
+import (
+	"math/rand"
+	"reflect"
+	"testing"
+
+	corev1 "k8s.io/api/core/v1"
+	"k8s.io/apiextensions-apiserver/pkg/apis/apiextensions"
+	"k8s.io/apiextensions-apiserver/pkg/apiserver/conversion"
+	"k8s.io/apimachinery/pkg/api/equality"
+	"k8s.io/apimachinery/pkg/api/testing/fuzzer"
+	metafuzzer "k8s.io/apimachinery/pkg/apis/meta/fuzzer"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/runtime/serializer"
+	"k8s.io/apimachinery/pkg/runtime/serializer/json"
+	"k8s.io/apimachinery/pkg/util/diff"
+	clientgoscheme "k8s.io/client-go/kubernetes/scheme"
+)
+
+func TestConvertFieldLabel(t *testing.T) {
+	tests := []struct {
+		name          string
+		clusterScoped bool
+		label         string
+		expectError   bool
+	}{
+		{
+			name:          "cluster scoped - name is ok",
+			clusterScoped: true,
+			label:         "metadata.name",
+		},
+		{
+			name:          "cluster scoped - namespace is not ok",
+			clusterScoped: true,
+			label:         "metadata.namespace",
+			expectError:   true,
+		},
+		{
+			name:          "cluster scoped - other field is not ok",
+			clusterScoped: true,
+			label:         "some.other.field",
+			expectError:   true,
+		},
+		{
+			name:  "namespace scoped - name is ok",
+			label: "metadata.name",
+		},
+		{
+			name:  "namespace scoped - namespace is ok",
+			label: "metadata.namespace",
+		},
+		{
+			name:        "namespace scoped - other field is not ok",
+			label:       "some.other.field",
+			expectError: true,
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			crd := apiextensions.CustomResourceDefinition{}
+
+			if test.clusterScoped {
+				crd.Spec.Scope = apiextensions.ClusterScoped
+			} else {
+				crd.Spec.Scope = apiextensions.NamespaceScoped
+			}
+			_, c := conversion.NewCRDConverter(&crd)
+
+			label, value, err := c.ConvertFieldLabel(schema.GroupVersionKind{}, test.label, "value")
+			if e, a := test.expectError, err != nil; e != a {
+				t.Fatalf("err: expected %t, got %t", e, a)
+			}
+			if test.expectError {
+				if e, a := "field label not supported: "+test.label, err.Error(); e != a {
+					t.Errorf("err: expected %s, got %s", e, a)
+				}
+				return
+			}
+
+			if e, a := test.label, label; e != a {
+				t.Errorf("label: expected %s, got %s", e, a)
+			}
+			if e, a := "value", value; e != a {
+				t.Errorf("value: expected %s, got %s", e, a)
+			}
+		})
+	}
+}
+
+func TestRoundtripObjectMeta(t *testing.T) {
+	scheme := runtime.NewScheme()
+	codecs := serializer.NewCodecFactory(scheme)
+	codec := json.NewSerializer(json.DefaultMetaFactory, scheme, scheme, false)
+	seed := rand.Int63()
+	fuzzer := fuzzer.FuzzerFor(metafuzzer.Funcs, rand.NewSource(seed), codecs)
+
+	N := 1000
+	for i := 0; i < N; i++ {
+		u := &unstructured.Unstructured{Object: map[string]interface{}{}}
+		original := &metav1.ObjectMeta{}
+		fuzzer.Fuzz(original)
+		if err := setObjectMeta(u, original); err != nil {
+			t.Fatalf("unexpected error setting ObjectMeta: %v", err)
+		}
+		o, _, err := getObjectMeta(u, false)
+		if err != nil {
+			t.Fatalf("unexpected error getting the Objectmeta: %v", err)
+		}
+
+		if !equality.Semantic.DeepEqual(original, o) {
+			t.Errorf("diff: %v\nCodec: %#v", diff.ObjectReflectDiff(original, o), codec)
+		}
+	}
+}
+
+// TestMalformedObjectMetaFields sets a number of different random values and types for all
+// metadata fields. If json.Unmarshal accepts them, compare that getObjectMeta
+// gives the same result. Otherwise, drop malformed fields.
+func TestMalformedObjectMetaFields(t *testing.T) {
+	fuzzer := fuzzer.FuzzerFor(metafuzzer.Funcs, rand.NewSource(rand.Int63()), serializer.NewCodecFactory(runtime.NewScheme()))
+	spuriousValues := func() []interface{} {
+		return []interface{}{
+			// primitives
+			nil,
+			int64(1),
+			float64(1.5),
+			true,
+			"a",
+			// well-formed complex values
+			[]interface{}{"a", "b"},
+			map[string]interface{}{"a": "1", "b": "2"},
+			[]interface{}{int64(1), int64(2)},
+			[]interface{}{float64(1.5), float64(2.5)},
+			// known things json decoding tolerates
+			map[string]interface{}{"a": "1", "b": nil},
+			// malformed things
+			map[string]interface{}{"a": "1", "b": []interface{}{"nested"}},
+			[]interface{}{"a", int64(1), float64(1.5), true, []interface{}{"nested"}},
+		}
+	}
+	N := 100
+	for i := 0; i < N; i++ {
+		fuzzedObjectMeta := &metav1.ObjectMeta{}
+		fuzzer.Fuzz(fuzzedObjectMeta)
+		goodMetaMap, err := runtime.DefaultUnstructuredConverter.ToUnstructured(fuzzedObjectMeta.DeepCopy())
+		if err != nil {
+			t.Fatal(err)
+		}
+		for _, pth := range jsonPaths(nil, goodMetaMap) {
+			for _, v := range spuriousValues() {
+				// skip values of same type, because they can only cause decoding errors further insides
+				orig, err := JsonPathValue(goodMetaMap, pth, 0)
+				if err != nil {
+					t.Fatalf("unexpected to not find something at %v: %v", pth, err)
+				}
+				if reflect.TypeOf(v) == reflect.TypeOf(orig) {
+					continue
+				}
+
+				// make a spurious map
+				spuriousMetaMap, err := runtime.DefaultUnstructuredConverter.ToUnstructured(fuzzedObjectMeta.DeepCopy())
+				if err != nil {
+					t.Fatal(err)
+				}
+				if err := SetJsonPath(spuriousMetaMap, pth, 0, v); err != nil {
+					t.Fatal(err)
+				}
+
+				// See if it can unmarshal to object meta
+				spuriousJSON, err := encodingjson.Marshal(spuriousMetaMap)
+				if err != nil {
+					t.Fatalf("error on %v=%#v: %v", pth, v, err)
+				}
+				expectedObjectMeta := &metav1.ObjectMeta{}
+				if err := encodingjson.Unmarshal(spuriousJSON, expectedObjectMeta); err != nil {
+					// if standard json unmarshal would fail decoding this field, drop the field entirely
+					truncatedMetaMap, err := runtime.DefaultUnstructuredConverter.ToUnstructured(fuzzedObjectMeta.DeepCopy())
+					if err != nil {
+						t.Fatal(err)
+					}
+
+					// we expect this logic for the different fields:
+					switch {
+					default:
+						// delete complete top-level field by default
+						DeleteJsonPath(truncatedMetaMap, pth[:1], 0)
+					}
+
+					truncatedJSON, err := encodingjson.Marshal(truncatedMetaMap)
+					if err != nil {
+						t.Fatalf("error on %v=%#v: %v", pth, v, err)
+					}
+					expectedObjectMeta = &metav1.ObjectMeta{}
+					if err := encodingjson.Unmarshal(truncatedJSON, expectedObjectMeta); err != nil {
+						t.Fatalf("error on %v=%#v: %v", pth, v, err)
+					}
+				}
+
+				// make sure dropInvalidTypedFields+getObjectMeta matches what we expect
+				u := &unstructured.Unstructured{Object: map[string]interface{}{"metadata": spuriousMetaMap}}
+				actualObjectMeta, _, err := getObjectMeta(u, true)
+				if err != nil {
+					t.Errorf("got unexpected error after dropping invalid typed fields on %v=%#v: %v", pth, v, err)
+					continue
+				}
+
+				if !equality.Semantic.DeepEqual(expectedObjectMeta, actualObjectMeta) {
+					t.Errorf("%v=%#v, diff: %v\n", pth, v, diff.ObjectReflectDiff(expectedObjectMeta, actualObjectMeta))
+					t.Errorf("expectedObjectMeta %#v", expectedObjectMeta)
+				}
+			}
+		}
+	}
+}
+
+func TestGetObjectMetaNils(t *testing.T) {
+	u := &unstructured.Unstructured{
+		Object: map[string]interface{}{
+			"kind":       "Pod",
+			"apiVersion": "v1",
+			"metadata": map[string]interface{}{
+				"generateName": nil,
+				"labels": map[string]interface{}{
+					"foo": nil,
+				},
+			},
+		},
+	}
+
+	o, _, err := getObjectMeta(u, true)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if o.GenerateName != "" {
+		t.Errorf("expected null json value to be read as \"\" string, but got: %q", o.GenerateName)
+	}
+	if got, expected := o.Labels, map[string]string{"foo": ""}; !reflect.DeepEqual(got, expected) {
+		t.Errorf("unexpected labels, expected=%#v, got=%#v", expected, got)
+	}
+
+	// double check this what the kube JSON decode is doing
+	bs, _ := encodingjson.Marshal(u.UnstructuredContent())
+	kubeObj, _, err := clientgoscheme.Codecs.UniversalDecoder(corev1.SchemeGroupVersion).Decode(bs, nil, nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	pod, ok := kubeObj.(*corev1.Pod)
+	if !ok {
+		t.Fatalf("expected v1 Pod, got: %T", pod)
+	}
+	if got, expected := o.GenerateName, pod.ObjectMeta.GenerateName; got != expected {
+		t.Errorf("expected generatedName to be %q, got %q", expected, got)
+	}
+	if got, expected := o.Labels, pod.ObjectMeta.Labels; !reflect.DeepEqual(got, expected) {
+		t.Errorf("expected labels to be %v, got %v", expected, got)
+	}
+}
+
+func TestGetObjectMeta(t *testing.T) {
+	for i := 0; i < 100; i++ {
+		u := &unstructured.Unstructured{Object: map[string]interface{}{
+			"metadata": map[string]interface{}{
+				"name": "good",
+				"Name": "bad1",
+				"nAme": "bad2",
+				"naMe": "bad3",
+				"namE": "bad4",
+
+				"namespace": "good",
+				"Namespace": "bad1",
+				"nAmespace": "bad2",
+				"naMespace": "bad3",
+				"namEspace": "bad4",
+
+				"creationTimestamp": "a",
+			},
+		}}
+
+		meta, _, err := getObjectMeta(u, true)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if meta.Name != "good" || meta.Namespace != "good" {
+			t.Fatalf("got %#v", meta)
+		}
+	}
+}