|
| 1 | +package t |
| 2 | + |
| 3 | +import ( |
| 4 | + "context" |
| 5 | + "github.com/go-logr/logr" |
| 6 | + gmg "github.com/onsi/gomega" |
| 7 | + "github.com/stretchr/testify/assert" |
| 8 | + "time" |
| 9 | + |
| 10 | + "k8s.io/apimachinery/pkg/api/errors" |
| 11 | + "k8s.io/apimachinery/pkg/api/meta" |
| 12 | + "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" |
| 13 | + "k8s.io/client-go/rest" |
| 14 | + "k8s.io/klog/v2/ktesting" |
| 15 | + ctrl "sigs.k8s.io/controller-runtime" |
| 16 | + "sigs.k8s.io/controller-runtime/pkg/client" |
| 17 | + "sigs.k8s.io/controller-runtime/pkg/envtest" |
| 18 | + "sigs.k8s.io/controller-runtime/pkg/manager" |
| 19 | + |
| 20 | + "testing" |
| 21 | +) |
| 22 | + |
| 23 | +func TestRetValue(t *testing.T) { |
| 24 | + ctx, cancel := context.WithCancel(context.Background()) |
| 25 | + defer cancel() |
| 26 | + |
| 27 | + restCfg, tearDownFn := setupEnvtest(t) |
| 28 | + defer tearDownFn(t) |
| 29 | + |
| 30 | + var log = ctrl.Log.WithName("ret-error-demo") |
| 31 | + kl := ktesting.NewLogger(t, ktesting.NewConfig()) |
| 32 | + ctrl.SetLogger(kl) |
| 33 | + |
| 34 | + manager, err := ctrl.NewManager(restCfg, ctrl.Options{}) |
| 35 | + assert.NoError(t, err) |
| 36 | + |
| 37 | + go func() { |
| 38 | + assert.NoError(t, manager.Start(ctx)) |
| 39 | + }() |
| 40 | + |
| 41 | + keyValid := client.ObjectKey{Name: "a-name", Namespace: "default"} |
| 42 | + keyBadNS := client.ObjectKey{Name: "a-name", Namespace: "in/valid"} |
| 43 | + |
| 44 | + report(ctx, manager, keyValid, makeUnstructured("ReplicaSet", "apps/v1"), log) |
| 45 | + report(ctx, manager, keyValid, makeUnstructured("Badger", "apps/v1"), log) |
| 46 | + report(ctx, manager, keyBadNS, makeUnstructured("Gherkin", "inexistent.group.com/v1"), log) |
| 47 | +} |
| 48 | + |
| 49 | +func makeUnstructured(kind string, apiVersion string) *unstructured.Unstructured { |
| 50 | + rs := &unstructured.Unstructured{} |
| 51 | + rs.SetKind(kind) |
| 52 | + rs.SetAPIVersion(apiVersion) |
| 53 | + return rs |
| 54 | +} |
| 55 | + |
| 56 | +func report(ctx context.Context, manager manager.Manager, key client.ObjectKey, obj *unstructured.Unstructured, log logr.Logger) { |
| 57 | + clientCtx, clientCancel := context.WithTimeout(ctx, time.Second) |
| 58 | + defer clientCancel() |
| 59 | + err := manager.GetClient().Get(clientCtx, key, obj) |
| 60 | + if err != nil && errors.IsNotFound(err) { |
| 61 | + log.Info("Kind is present but object was not found", "kind", obj.GetObjectKind().GroupVersionKind().Kind) |
| 62 | + } else if err != nil && meta.IsNoMatchError(err) { |
| 63 | + log.Info("Kind does not exist", "kind", obj.GetObjectKind().GroupVersionKind().Kind) |
| 64 | + } else if err != nil { |
| 65 | + log.Error(err, "Unexpected error") |
| 66 | + } |
| 67 | +} |
| 68 | + |
| 69 | +func setupEnvtest(t *testing.T) (*rest.Config, func(t *testing.T)) { |
| 70 | + t.Log("Setup envtest") |
| 71 | + |
| 72 | + g := gmg.NewWithT(t) |
| 73 | + testEnv := &envtest.Environment{ |
| 74 | + CRDDirectoryPaths: []string{"testdata"}, |
| 75 | + } |
| 76 | + |
| 77 | + cfg, err := testEnv.Start() |
| 78 | + g.Expect(err).NotTo(gmg.HaveOccurred()) |
| 79 | + g.Expect(cfg).NotTo(gmg.BeNil()) |
| 80 | + |
| 81 | + teardownFunc := func(t *testing.T) { |
| 82 | + t.Log("Stop envtest") |
| 83 | + g.Expect(testEnv.Stop()).To(gmg.Succeed()) |
| 84 | + } |
| 85 | + |
| 86 | + return cfg, teardownFunc |
| 87 | +} |
0 commit comments