Add a starter test for ISO permissions.

We can continue to add other tests to this file.

test/integration/flags.go

-// +build integration
-
 /*
 Copyright 2016 The Kubernetes Authors All rights reserved.
 

test/integration/iso_test.go

+// +build iso
+
+/*
+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 (
+	"fmt"
+	"strings"
+	"testing"
+
+	"k8s.io/minikube/test/integration/util"
+)
+
+func TestISO(t *testing.T) {
+
+	minikubeRunner := util.MinikubeRunner{
+		Args:       *args,
+		BinaryPath: *binaryPath,
+		T:          t}
+
+	minikubeRunner.RunCommand("delete", true)
+	minikubeRunner.Start()
+
+	t.Run("permissions", testMountPermissions)
+}
+
+func testMountPermissions(t *testing.T) {
+	minikubeRunner := util.MinikubeRunner{
+		Args:       *args,
+		BinaryPath: *binaryPath,
+		T:          t}
+	// test mount permissions
+	mountPoints := []string{"/Users", "/hosthome"}
+	perms := "drwxr-xr-x"
+	foundMount := false
+
+	for _, dir := range mountPoints {
+		output := minikubeRunner.SSH(fmt.Sprintf("ls -l %s", dir))
+		if strings.Contains(output, "No such file or directory") {
+			continue
+		}
+		foundMount = true
+		if !strings.Contains(output, perms) {
+			t.Fatalf("Incorrect permissions. Expected %s, got %s.", perms, output)
+		}
+	}
+	if !foundMount {
+		t.Fatalf("No shared mount found. Checked %s", mountPoints)
+	}
+}

test/integration/util/util.go

-// +build integration
-
 /*
 Copyright 2016 The Kubernetes Authors All rights reserved.
 
@@ -71,6 +69,14 @@ func (m *MinikubeRunner) RunCommand(command string, checkError bool) string {
 	return string(stdout)
 }
 
+func (m *MinikubeRunner) SSH(command string) string {
+	path, _ := filepath.Abs(m.BinaryPath)
+	cmd := exec.Command(path, "ssh", command)
+	stdout, _ := cmd.CombinedOutput()
+
+	return string(stdout)
+}
+
 func (m *MinikubeRunner) Start() {
 	m.RunCommand(fmt.Sprintf("start %s", m.Args), true)
 }