split k8sdeps package into sub packages

internal/k8sdeps/kunstruct/kunstruct_test.go

@@ -0,0 +1,77 @@
+/*
+Copyright 2018 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 kunstruct
+
+import (
+	"testing"
+)
+
+func TestGetFieldValue(t *testing.T) {
+	factory := NewKunstructuredFactoryImpl()
+	kunstructured := factory.FromMap(map[string]interface{}{
+		"Kind": "Service",
+		"metadata": map[string]interface{}{
+			"labels": map[string]string{
+				"app": "application-name",
+			},
+			"name": "service-name",
+		},
+		"spec": map[string]interface{}{
+			"ports": map[string]interface{}{
+				"port": "80",
+			},
+		},
+	})
+
+	tests := []struct {
+		pathToField   string
+		expectedValue string
+		errorExpected bool
+	}{
+		{
+			pathToField:   "Kind",
+			expectedValue: "Service",
+			errorExpected: false,
+		},
+		{
+			pathToField:   "metadata.name",
+			expectedValue: "service-name",
+			errorExpected: false,
+		},
+		{
+			pathToField:   "metadata.non-existing-field",
+			expectedValue: "",
+			errorExpected: true,
+		},
+		{
+			pathToField:   "spec.ports.port",
+			expectedValue: "80",
+			errorExpected: false,
+		},
+	}
+
+	for _, test := range tests {
+		s, err := kunstructured.GetFieldValue(test.pathToField)
+		if test.errorExpected && err == nil {
+			t.Fatalf("should return error, but no error returned")
+		} else {
+			if test.expectedValue != s {
+				t.Fatalf("Got:%s expected:%s", s, test.expectedValue)
+			}
+		}
+	}
+}