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Add helpers for basic acceptance test
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| package provider | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "testing" | ||
| ) | ||
|
|
||
| func TestAccKubernetesManifestBasicConfigMap(t *testing.T) { | ||
| wd := helper.RequireNewWorkingDir(t) | ||
|
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| namespace := randName() | ||
| createKubernetesNamespace(t, namespace) | ||
|
|
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| name := randName() | ||
| tfconfig := testAccManifestBasicConfigMap(namespace, name) | ||
| wd.RequireSetConfig(t, tfconfig) | ||
|
|
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| wd.RequireInit(t) | ||
| wd.RequireApply(t) | ||
|
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| assertKubernetesNamespacedResourceExists(t, "v1", "configmaps", namespace, name) | ||
|
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| state := wd.RequireState(t) | ||
| object := getObjectFromResourceState(t, state, "kubernetes_manifest.test") | ||
| assertObjectFieldEqual(t, object, "metadata.namespace", namespace) | ||
| assertObjectFieldEqual(t, object, "metadata.name", name) | ||
| assertObjectFieldEqual(t, object, "data.foo", "bar") | ||
|
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| wd.Destroy() | ||
| assertKubernetesNamespacedResourceNotExists(t, "v1", "configmaps", namespace, name) | ||
| deleteKubernetesNamespace(t, namespace) | ||
|
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| wd.Close() | ||
| } | ||
|
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| func testAccManifestBasicConfigMap(namespace, name string) string { | ||
| return fmt.Sprintf(` | ||
| resource "kubernetes_manifest" "test" { | ||
| provider = kubernetes-alpha | ||
| manifest = { | ||
| "apiVersion" = "v1" | ||
| "kind" = "ConfigMap" | ||
| "metadata" = { | ||
| "name" = %q | ||
| "namespace" = %q | ||
| } | ||
| "data" = { | ||
| "foo" = "bar" | ||
| } | ||
| } | ||
| }`, name, namespace) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,204 @@ | ||
| package provider | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "math/rand" | ||
| "os" | ||
| "strings" | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/assert" | ||
|
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| tfjson "github.com/hashicorp/terraform-json" | ||
| tftest "github.com/hashicorp/terraform-plugin-test" | ||
|
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||
| "k8s.io/apimachinery/pkg/api/errors" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" | ||
| "k8s.io/apimachinery/pkg/runtime/schema" | ||
| "k8s.io/client-go/dynamic" | ||
| _ "k8s.io/client-go/plugin/pkg/client/auth" | ||
| "k8s.io/client-go/rest" | ||
| "k8s.io/client-go/tools/clientcmd" | ||
| ) | ||
|
|
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| var providerName = "kubernetes-alpha" | ||
| var helper *tftest.Helper | ||
| var kubernetesClient dynamic.Interface | ||
|
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| func TestMain(m *testing.M) { | ||
| if tftest.RunningAsPlugin() { | ||
| Serve() | ||
| os.Exit(0) | ||
| return | ||
| } | ||
|
|
||
| sourceDir, err := os.Getwd() | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
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| client, err := configureKubernetesClient() | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| kubernetesClient = client | ||
|
|
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| helper = tftest.AutoInitProviderHelper(providerName, sourceDir) | ||
| defer helper.Close() | ||
|
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| exitcode := m.Run() | ||
| os.Exit(exitcode) | ||
| } | ||
|
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| func configureKubernetesClient() (dynamic.Interface, error) { | ||
| rules := clientcmd.NewDefaultClientConfigLoadingRules() | ||
| overrides := &clientcmd.ConfigOverrides{} | ||
| config, err := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(rules, overrides).ClientConfig() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| if config == nil { | ||
| config = &rest.Config{} | ||
| } | ||
|
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| client, err := dynamic.NewForConfig(config) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| return client, nil | ||
| } | ||
|
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| func createGroupVersionResource(gv, resource string) schema.GroupVersionResource { | ||
| var group, groupVersion string | ||
| gvparts := strings.Split(gv, "/") | ||
| if len(gvparts) < 2 { | ||
| group = "" | ||
| groupVersion = gv | ||
| } else { | ||
| group = gvparts[0] | ||
| groupVersion = gvparts[1] | ||
| } | ||
|
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| return schema.GroupVersionResource{ | ||
| Group: group, | ||
| Version: groupVersion, | ||
| Resource: resource, | ||
| } | ||
| } | ||
|
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| func assertKubernetesNamespacedResourceExists(t *testing.T, gv, resource, namespace, name string) { | ||
| gvr := createGroupVersionResource(gv, resource) | ||
| _, err := kubernetesClient.Resource(gvr).Namespace(namespace).Get(context.TODO(), name, metav1.GetOptions{}) | ||
| if errors.IsNotFound(err) { | ||
| t.Errorf("Resource %s/%s does not exist", namespace, name) | ||
| return | ||
| } | ||
|
|
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| if err != nil { | ||
| t.Errorf("Error when trying to get resource %s/%s: %v", namespace, name, err) | ||
| } | ||
| } | ||
|
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| func assertKubernetesNamespacedResourceNotExists(t *testing.T, gv, resource, namespace, name string) { | ||
| gvr := createGroupVersionResource(gv, resource) | ||
| _, err := kubernetesClient.Resource(gvr).Namespace(namespace).Get(context.TODO(), name, metav1.GetOptions{}) | ||
| if errors.IsNotFound(err) { | ||
| return | ||
| } | ||
|
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| if err != nil { | ||
| t.Errorf("Error when trying to get resource %s/%s: %v", namespace, name, err) | ||
| return | ||
| } | ||
|
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| t.Errorf("Resource %s/%s still exists", namespace, name) | ||
| } | ||
|
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| func createKubernetesNamespace(t *testing.T, name string) { | ||
| namespace := &unstructured.Unstructured{ | ||
| Object: map[string]interface{}{ | ||
| "apiVersion": "v1", | ||
| "kind": "Namespace", | ||
| "metadata": map[string]interface{}{ | ||
| "name": name, | ||
| }, | ||
| }, | ||
| } | ||
| gvr := createGroupVersionResource("v1", "namespaces") | ||
| _, err := kubernetesClient.Resource(gvr).Create(context.TODO(), namespace, metav1.CreateOptions{}) | ||
| if err != nil { | ||
| t.Errorf("Failed to create namespace %q: %v", name, err) | ||
| } | ||
| } | ||
|
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| func deleteKubernetesNamespace(t *testing.T, name string) { | ||
| gvr := createGroupVersionResource("v1", "namespaces") | ||
| err := kubernetesClient.Resource(gvr).Delete(context.TODO(), name, metav1.DeleteOptions{}) | ||
| if err != nil { | ||
| t.Errorf("Failed to delete namespace %q: %v", name, err) | ||
| } | ||
| } | ||
|
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||
| var letters = []rune("abcdefghijklmnopqrstuvwxyz") | ||
|
|
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| func randName() string { | ||
| b := make([]rune, 10) | ||
| for i := range b { | ||
| b[i] = letters[rand.Intn(len(letters))] | ||
| } | ||
| return fmt.Sprintf("tf-acc-test-%s", string(b)) | ||
| } | ||
|
|
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| // getObjectFromResourceState will pull out the value of the `object` attribute of the resource and return it | ||
| // as a map[string]interface{}. | ||
| func getObjectFromResourceState(t *testing.T, state *tfjson.State, resourceAddr string) map[string]interface{} { | ||
| for _, r := range state.Values.RootModule.Resources { | ||
| if r.Address == resourceAddr { | ||
| value, ok := r.AttributeValues["object"].(map[string]interface{}) | ||
| if !ok { | ||
| t.Errorf("Could not find get `object` attribute from %q", resourceAddr) | ||
| } | ||
| return value | ||
| } | ||
| } | ||
|
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| t.Errorf("Could not find resource %q in state", resourceAddr) | ||
| return nil | ||
| } | ||
|
|
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| // findFieldValue will return the value of a field in the object using dot notation | ||
| func findFieldValue(object map[string]interface{}, fieldPath string) (interface{}, error) { | ||
| pathKeys := strings.Split(fieldPath, ".") | ||
| fieldKey := pathKeys[len(pathKeys)-1] | ||
| parentFieldPathKeys := pathKeys[:len(pathKeys)-1] | ||
|
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| m := object | ||
| for _, key := range parentFieldPathKeys { | ||
| // FIXME need to handle arrays like: spec.containers.0.name | ||
| v, ok := m[key].(map[string]interface{}) | ||
| if !ok { | ||
| return nil, fmt.Errorf("Field %q does not exist", fieldPath) | ||
| } | ||
| m = v | ||
| } | ||
|
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| value, ok := m[fieldKey].(interface{}) | ||
| if !ok { | ||
| return nil, fmt.Errorf("Field %q does not exist", fieldPath) | ||
| } | ||
|
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| return value, nil | ||
| } | ||
|
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| func assertObjectFieldEqual(t *testing.T, object map[string]interface{}, fieldPath string, expectedValue interface{}) { | ||
| actualValue, err := findFieldValue(object, fieldPath) | ||
| if err != nil { | ||
| t.Errorf(err.Error()) | ||
| } | ||
|
|
||
| assert.Equal(t, expectedValue, actualValue) | ||
| } |
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