shell selection: fix tests and add powershell test

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

commands/env.go

@@ -151,8 +151,8 @@ func cmdEnv(c *cli.Context) {
 	switch userShell {
 	case "fish":
 		shellCfg.Prefix = "set -x "
-		shellCfg.Suffix = ";\n"
+		shellCfg.Suffix = "\";\n"
-		shellCfg.Delimiter = " "
+		shellCfg.Delimiter = " \""
 	case "powershell":
 		shellCfg.Prefix = "$Env:"
 		shellCfg.Suffix = "\"\n"
@@ -163,8 +163,8 @@ func cmdEnv(c *cli.Context) {
 		shellCfg.Delimiter = "="
 	default:
 		shellCfg.Prefix = "export "
-		shellCfg.Suffix = "\n"
+		shellCfg.Suffix = "\"\n"
-		shellCfg.Delimiter = "="
+		shellCfg.Delimiter = "=\""
 	}
 
 	tmpl, err := t.Parse(envTmpl)

commands/env_test.go

@@ -103,9 +103,9 @@ func TestCmdEnvBash(t *testing.T) {
 	testMachineDir := filepath.Join(store.GetPath(), "machines", host.Name)
 
 	expected := map[string]string{
-		"DOCKER_TLS_VERIFY": "1",
+		"DOCKER_TLS_VERIFY": "\"1\"",
 		"DOCKER_CERT_PATH":  fmt.Sprintf("\"%s\"", testMachineDir),
-		"DOCKER_HOST":       "unix:///var/run/docker.sock",
+		"DOCKER_HOST":       "\"unix:///var/run/docker.sock\"",
 	}
 
 	for k, v := range envvars {
@@ -201,9 +201,108 @@ func TestCmdEnvFish(t *testing.T) {
 	testMachineDir := filepath.Join(store.GetPath(), "machines", host.Name)
 
 	expected := map[string]string{
-		"DOCKER_TLS_VERIFY": "1",
+		"DOCKER_TLS_VERIFY": "\"1\"",
 		"DOCKER_CERT_PATH":  fmt.Sprintf("\"%s\"", testMachineDir),
-		"DOCKER_HOST":       "unix:///var/run/docker.sock",
+		"DOCKER_HOST":       "\"unix:///var/run/docker.sock\"",
+	}
+
+	for k, v := range envvars {
+		if v != expected[k] {
+			t.Fatalf("Expected %s == <%s>, but was <%s>", k, expected[k], v)
+		}
+	}
+}
+
+func TestCmdEnvPowerShell(t *testing.T) {
+	stdout := os.Stdout
+	shell := os.Getenv("SHELL")
+	r, w, _ := os.Pipe()
+
+	os.Stdout = w
+	os.Setenv("MACHINE_STORAGE_PATH", TestStoreDir)
+	os.Setenv("SHELL", "")
+
+	defer func() {
+		os.Setenv("MACHINE_STORAGE_PATH", "")
+		os.Setenv("SHELL", shell)
+		os.Stdout = stdout
+	}()
+
+	if err := clearHosts(); err != nil {
+		t.Fatal(err)
+	}
+
+	flags := getTestDriverFlags()
+
+	store, sErr := getTestStore()
+	if sErr != nil {
+		t.Fatal(sErr)
+	}
+
+	mcn, err := libmachine.New(store)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	hostOptions := &libmachine.HostOptions{
+		EngineOptions: &engine.EngineOptions{},
+		SwarmOptions: &swarm.SwarmOptions{
+			Master:    false,
+			Discovery: "",
+			Address:   "",
+			Host:      "",
+		},
+		AuthOptions: &auth.AuthOptions{},
+	}
+
+	host, err := mcn.Create("test-a", "none", hostOptions, flags)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	host, err = mcn.Get("test-a")
+	if err != nil {
+		t.Fatalf("error loading host: %v", err)
+	}
+
+	if err := mcn.SetActive(host); err != nil {
+		t.Fatalf("error setting active host: %v", err)
+	}
+
+	outStr := make(chan string)
+
+	go func() {
+		var testOutput bytes.Buffer
+		io.Copy(&testOutput, r)
+		outStr <- testOutput.String()
+	}()
+
+	set := flag.NewFlagSet("config", 0)
+	set.String("shell", "powershell", "")
+	c := cli.NewContext(nil, set, set)
+	cmdEnv(c)
+
+	w.Close()
+
+	out := <-outStr
+
+	// parse the output into a map of envvar:value for easier testing below
+	envvars := make(map[string]string)
+	for _, e := range strings.Split(strings.TrimSpace(out), "\n") {
+		if !strings.HasPrefix(e, "$Env") {
+			continue
+		}
+		kv := strings.SplitN(e, " = ", 2)
+		key, value := kv[0], kv[1]
+		envvars[strings.Replace(key, "$Env:", "", 1)] = value
+	}
+
+	testMachineDir := filepath.Join(store.GetPath(), "machines", host.Name)
+
+	expected := map[string]string{
+		"DOCKER_TLS_VERIFY": "\"1\"",
+		"DOCKER_CERT_PATH":  fmt.Sprintf("\"%s\"", testMachineDir),
+		"DOCKER_HOST":       "\"unix:///var/run/docker.sock\"",
 	}
 
 	for k, v := range envvars {