mirror of
https://github.com/kubernetes/client-go.git
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Add test to detect unintentional changes in dynamic client requests.
Kubernetes-commit: a803c8034d60a81b0da71ea8631e27888a607476
This commit is contained in:
Ben Luddy
Kubernetes Publisher
parent
02e371e437
commit
b17c363481
232
dynamic/golden_test.go
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232
dynamic/golden_test.go
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package dynamic_test
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import (
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"context"
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"fmt"
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"net"
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"net/http"
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"net/http/httptest"
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"net/http/httputil"
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"net/url"
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"os"
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"path/filepath"
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"testing"
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"time"
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"github.com/google/go-cmp/cmp"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/client-go/dynamic"
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"k8s.io/client-go/rest"
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)
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func TestGoldenRequest(t *testing.T) {
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for _, tc := range []struct {
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name string
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do func(context.Context, dynamic.Interface) error
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}{
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{
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name: "create",
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do: func(ctx context.Context, client dynamic.Interface) error {
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_, err := client.Resource(schema.GroupVersionResource{Group: "flops", Version: "v1alpha1", Resource: "flips"}).Namespace("mops").Create(
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ctx,
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&unstructured.Unstructured{Object: map[string]interface{}{
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"metadata": map[string]interface{}{"name": "mips"},
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}},
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metav1.CreateOptions{FieldValidation: "warn"},
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"fin",
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)
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return err
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},
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},
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{
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name: "update",
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do: func(ctx context.Context, client dynamic.Interface) error {
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_, err := client.Resource(schema.GroupVersionResource{Group: "flops", Version: "v1alpha1", Resource: "flips"}).Namespace("mops").Update(
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ctx,
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&unstructured.Unstructured{Object: map[string]interface{}{
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"metadata": map[string]interface{}{"name": "mips"},
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}},
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metav1.UpdateOptions{FieldValidation: "warn"},
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"fin",
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)
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return err
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},
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},
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{
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name: "updatestatus",
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do: func(ctx context.Context, client dynamic.Interface) error {
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_, err := client.Resource(schema.GroupVersionResource{Group: "flops", Version: "v1alpha1", Resource: "flips"}).Namespace("mops").UpdateStatus(
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ctx,
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&unstructured.Unstructured{Object: map[string]interface{}{
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"metadata": map[string]interface{}{"name": "mips"},
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}},
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metav1.UpdateOptions{FieldValidation: "warn"},
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)
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return err
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},
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},
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{
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name: "delete",
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do: func(ctx context.Context, client dynamic.Interface) error {
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return client.Resource(schema.GroupVersionResource{Group: "flops", Version: "v1alpha1", Resource: "flips"}).Namespace("mops").Delete(
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ctx,
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"mips",
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metav1.DeleteOptions{DryRun: []string{metav1.DryRunAll}},
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"fin",
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)
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},
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},
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{
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name: "deletecollection",
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do: func(ctx context.Context, client dynamic.Interface) error {
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return client.Resource(schema.GroupVersionResource{Group: "flops", Version: "v1alpha1", Resource: "flips"}).Namespace("mops").DeleteCollection(
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ctx,
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metav1.DeleteOptions{DryRun: []string{metav1.DryRunAll}},
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metav1.ListOptions{ResourceVersion: "42"},
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)
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},
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},
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{
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name: "get",
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do: func(ctx context.Context, client dynamic.Interface) error {
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_, err := client.Resource(schema.GroupVersionResource{Group: "flops", Version: "v1alpha1", Resource: "flips"}).Namespace("mops").Get(
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ctx,
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"mips",
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metav1.GetOptions{ResourceVersion: "42"},
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"fin",
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)
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return err
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},
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},
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{
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name: "list",
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do: func(ctx context.Context, client dynamic.Interface) error {
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_, err := client.Resource(schema.GroupVersionResource{Group: "flops", Version: "v1alpha1", Resource: "flips"}).Namespace("mops").List(
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ctx,
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metav1.ListOptions{ResourceVersion: "42"},
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)
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return err
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},
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},
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{
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name: "watch",
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do: func(ctx context.Context, client dynamic.Interface) error {
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_, err := client.Resource(schema.GroupVersionResource{Group: "flops", Version: "v1alpha1", Resource: "flips"}).Namespace("mops").Watch(
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ctx,
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metav1.ListOptions{ResourceVersion: "42"},
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)
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return err
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},
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},
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{
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name: "patch",
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do: func(ctx context.Context, client dynamic.Interface) error {
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_, err := client.Resource(schema.GroupVersionResource{Group: "flops", Version: "v1alpha1", Resource: "flips"}).Namespace("mops").Patch(
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ctx,
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"mips",
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types.StrategicMergePatchType,
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[]byte("{\"foo\":\"bar\"}\n"),
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metav1.PatchOptions{FieldManager: "baz"},
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"fin",
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)
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return err
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},
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},
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{
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name: "apply",
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do: func(ctx context.Context, client dynamic.Interface) error {
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_, err := client.Resource(schema.GroupVersionResource{Group: "flops", Version: "v1alpha1", Resource: "flips"}).Namespace("mops").Apply(
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ctx,
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"mips",
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&unstructured.Unstructured{Object: map[string]interface{}{
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"metadata": map[string]interface{}{"name": "mips"},
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}},
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metav1.ApplyOptions{Force: true},
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"fin",
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)
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return err
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},
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},
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{
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name: "applystatus",
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do: func(ctx context.Context, client dynamic.Interface) error {
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_, err := client.Resource(schema.GroupVersionResource{Group: "flops", Version: "v1alpha1", Resource: "flips"}).Namespace("mops").ApplyStatus(
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ctx,
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"mips",
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&unstructured.Unstructured{Object: map[string]interface{}{
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"metadata": map[string]interface{}{"name": "mips"},
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}},
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metav1.ApplyOptions{Force: true},
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)
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return err
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},
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},
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} {
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t.Run(tc.name, func(t *testing.T) {
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handled := make(chan struct{})
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srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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defer close(handled)
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got, err := httputil.DumpRequest(r, true)
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if err != nil {
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t.Fatal(err)
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}
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path := filepath.Join("testdata", filepath.FromSlash(t.Name()))
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if os.Getenv("UPDATE_DYNAMIC_CLIENT_FIXTURES") == "true" {
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err := os.WriteFile(path, got, os.FileMode(0755))
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if err != nil {
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t.Fatalf("failed to update fixture: %v", err)
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}
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}
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want, err := os.ReadFile(path)
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if err != nil {
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t.Fatalf("failed to load fixture: %v", err)
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}
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if diff := cmp.Diff(got, want); diff != "" {
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t.Errorf("unexpected difference from expected bytes:\n%s", diff)
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}
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}))
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defer srv.Close()
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client, err := dynamic.NewForConfig(&rest.Config{
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Host: "example.com",
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UserAgent: "TestGoldenRequest",
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Transport: &http.Transport{
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// The client will send a static Host header while always
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// connecting to the test server.
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DialContext: func(ctx context.Context, network string, addr string) (net.Conn, error) {
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u, err := url.Parse(srv.URL)
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if err != nil {
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return nil, fmt.Errorf("failed to parse test server url: %w", err)
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}
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return (&net.Dialer{}).DialContext(ctx, "tcp", u.Host)
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},
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},
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})
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if err != nil {
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t.Fatal(err)
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}
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ctx, cancel := context.WithTimeout(context.Background(), time.Second)
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defer cancel()
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if err := tc.do(ctx, client); err != nil {
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// This test detects server-perceptible changes to the request. As
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// long as the server receives the expected request, a non-nil error
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// returned from a client method is not a failure.
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t.Logf("client returned non-nil error: %v", err)
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}
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select {
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case <-handled:
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default:
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t.Fatal("no request received")
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}
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})
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}
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}
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