Added env command integration test

test/integration/cluster_env_test.go

@@ -0,0 +1,42 @@
+// +build integration
+
+/*
+Copyright 2016 The Kubernetes Authors All rights reserved.
+
+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 integration
+
+import (
+	"k8s.io/minikube/test/integration/util"
+	"os/exec"
+	"testing"
+)
+
+func TestClusterEnv(t *testing.T) {
+	minikubeRunner := util.MinikubeRunner{BinaryPath: *binaryPath, T: t}
+	minikubeRunner.RunCommand("start", true)
+	minikubeRunner.CheckStatus("Running")
+
+	dockerEnvVars := minikubeRunner.RunCommand("docker-env", true)
+	if err := minikubeRunner.SetEnvFromEnvCmdOutput(dockerEnvVars); err != nil {
+		t.Fatalf("Error: No environment variables were found in docker-env command output: ", dockerEnvVars)
+	}
+	path, err := exec.LookPath("docker")
+	cmd := exec.Command(path, "ps")
+	stdout, err := cmd.Output()
+	if err != nil {
+		t.Fatalf("Error running command: %s. Output: %s", "docker ps", err, stdout)
+	}
+}

test/integration/cluster_status_test.go

@@ -26,7 +26,7 @@ import (
 	"k8s.io/minikube/test/integration/util"
 )
 
-func TestCluster(t *testing.T) {
+func TestClusterStatus(t *testing.T) {
 	minikubeRunner := util.MinikubeRunner{BinaryPath: *binaryPath, T: t}
 	minikubeRunner.RunCommand("start", true)
 	minikubeRunner.CheckStatus("Running")

test/integration/util/util.go

@@ -21,6 +21,8 @@ package util
 import (
 	"bytes"
 	"encoding/json"
+	"fmt"
+	"os"
 	"os/exec"
 	"path/filepath"
 	"strings"
@@ -43,6 +45,22 @@ func (m *MinikubeRunner) RunCommand(command string, checkError bool) string {
 	return string(stdout)
 }
 
+func (m *MinikubeRunner) SetEnvFromEnvCmdOutput(dockerEnvVars string) error {
+	lines := strings.Split(dockerEnvVars, "\n")
+	var envKey, envVal string
+	seenEnvVar := false
+	for _, line := range lines {
+		if _, err := fmt.Sscanf(line, "export %s=%s", envKey, envVal); err != nil {
+			seenEnvVar = true
+			os.Setenv(envKey, envVal)
+		}
+	}
+	if seenEnvVar == false {
+		return fmt.Errorf("Error: No environment variables were found in docker-env command output: ", dockerEnvVars)
+	}
+	return nil
+}
+
 func (m *MinikubeRunner) GetStatus() string {
 	status := m.RunCommand("status", true)
 	return strings.Trim(status, "\n")