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- // +build linux
- /*
- 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 exec
- import (
- "fmt"
- "reflect"
- "strings"
- "testing"
- "k8s.io/kubernetes/pkg/util/mount"
- )
- var (
- sourcePath = "/mnt/srv"
- destinationPath = "/mnt/dst"
- fsType = "xfs"
- mountOptions = []string{"vers=1", "foo=bar"}
- )
- func TestMount(t *testing.T) {
- exec := mount.NewFakeExec(func(cmd string, args ...string) ([]byte, error) {
- if cmd != "mount" {
- t.Errorf("expected mount command, got %q", cmd)
- }
- // mount -t fstype -o options source target
- expectedArgs := []string{"-t", fsType, "-o", strings.Join(mountOptions, ","), sourcePath, destinationPath}
- if !reflect.DeepEqual(expectedArgs, args) {
- t.Errorf("expected arguments %q, got %q", strings.Join(expectedArgs, " "), strings.Join(args, " "))
- }
- return nil, nil
- })
- wrappedMounter := &fakeMounter{FakeMounter: &mount.FakeMounter{}, t: t}
- mounter := NewExecMounter(exec, wrappedMounter)
- mounter.Mount(sourcePath, destinationPath, fsType, mountOptions)
- }
- func TestBindMount(t *testing.T) {
- cmdCount := 0
- exec := mount.NewFakeExec(func(cmd string, args ...string) ([]byte, error) {
- cmdCount++
- if cmd != "mount" {
- t.Errorf("expected mount command, got %q", cmd)
- }
- var expectedArgs []string
- switch cmdCount {
- case 1:
- // mount -t fstype -o "bind" source target
- expectedArgs = []string{"-t", fsType, "-o", "bind", sourcePath, destinationPath}
- case 2:
- // mount -t fstype -o "remount,opts" source target
- expectedArgs = []string{"-t", fsType, "-o", "bind,remount," + strings.Join(mountOptions, ","), sourcePath, destinationPath}
- }
- if !reflect.DeepEqual(expectedArgs, args) {
- t.Errorf("expected arguments %q, got %q", strings.Join(expectedArgs, " "), strings.Join(args, " "))
- }
- return nil, nil
- })
- wrappedMounter := &fakeMounter{FakeMounter: &mount.FakeMounter{}, t: t}
- mounter := NewExecMounter(exec, wrappedMounter)
- bindOptions := append(mountOptions, "bind")
- mounter.Mount(sourcePath, destinationPath, fsType, bindOptions)
- }
- func TestUnmount(t *testing.T) {
- exec := mount.NewFakeExec(func(cmd string, args ...string) ([]byte, error) {
- if cmd != "umount" {
- t.Errorf("expected unmount command, got %q", cmd)
- }
- // unmount $target
- expectedArgs := []string{destinationPath}
- if !reflect.DeepEqual(expectedArgs, args) {
- t.Errorf("expected arguments %q, got %q", strings.Join(expectedArgs, " "), strings.Join(args, " "))
- }
- return nil, nil
- })
- wrappedMounter := &fakeMounter{&mount.FakeMounter{}, t}
- mounter := NewExecMounter(exec, wrappedMounter)
- mounter.Unmount(destinationPath)
- }
- /* Fake wrapped mounter */
- type fakeMounter struct {
- *mount.FakeMounter
- t *testing.T
- }
- func (fm *fakeMounter) Mount(source string, target string, fstype string, options []string) error {
- // Mount() of wrapped mounter should never be called. We call exec instead.
- fm.t.Errorf("Unexpected wrapped mount call")
- return fmt.Errorf("Unexpected wrapped mount call")
- }
- func (fm *fakeMounter) Unmount(target string) error {
- // umount() of wrapped mounter should never be called. We call exec instead.
- fm.t.Errorf("Unexpected wrapped mount call")
- return fmt.Errorf("Unexpected wrapped mount call")
- }
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