Basic support for kubectl plugins

pkg/kubectl/plugins/runner_test.go

@@ -0,0 +1,71 @@
+/*
+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 plugins
+
+import (
+	"bytes"
+	"testing"
+)
+
+func TestExecRunner(t *testing.T) {
+	tests := []struct {
+		name        string
+		command     string
+		expectedMsg string
+		expectedErr string
+	}{
+		{
+			name:        "success",
+			command:     "echo test ok",
+			expectedMsg: "test ok\n",
+		},
+		{
+			name:        "invalid",
+			command:     "false",
+			expectedErr: "exit status 1",
+		},
+	}
+
+	for _, test := range tests {
+		outBuf := bytes.NewBuffer([]byte{})
+
+		plugin := &Plugin{
+			Description: Description{
+				Name:      test.name,
+				ShortDesc: "Test Runner Plugin",
+				Command:   test.command,
+			},
+		}
+
+		ctx := RunningContext{
+			Out:        outBuf,
+			WorkingDir: ".",
+		}
+
+		runner := &ExecPluginRunner{}
+		err := runner.Run(plugin, ctx)
+
+		if outBuf.String() != test.expectedMsg {
+			t.Errorf("%s: unexpected output: %q", test.name, outBuf.String())
+		}
+
+		if err != nil && err.Error() != test.expectedErr {
+			t.Errorf("%s: unexpected err output: %v", test.name, err)
+		}
+	}
+
+}