Removed redundant mount_test.go (graph_test.go already tests the mount ability)

This commit is contained in:
Solomon Hykes 2013-03-21 00:21:03 -07:00
Родитель 34023558f5
Коммит 89a140fb75
1 изменённых файлов: 0 добавлений и 134 удалений

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@ -1,134 +0,0 @@
package docker
import (
"archive/tar"
"bytes"
"fmt"
"github.com/dotcloud/docker/fs"
"io"
"io/ioutil"
"os"
"testing"
)
func fakeTar() (io.Reader, error) {
content := []byte("Hello world!\n")
buf := new(bytes.Buffer)
tw := tar.NewWriter(buf)
for _, name := range []string{"/etc/postgres/postgres.conf", "/etc/passwd", "/var/log/postgres/postgres.conf"} {
hdr := new(tar.Header)
hdr.Size = int64(len(content))
hdr.Name = name
if err := tw.WriteHeader(hdr); err != nil {
return nil, err
}
tw.Write([]byte(content))
}
tw.Close()
return buf, nil
}
// Look for inconsistencies in a store.
func healthCheck(store *fs.Store) error {
parents := make(map[string]bool)
paths, err := store.Paths()
if err != nil {
return err
}
for _, path := range paths {
images, err := store.List(path)
if err != nil {
return err
}
IDs := make(map[string]bool) // All IDs for this path
for _, img := range images {
// Check for duplicate IDs per path
if _, exists := IDs[img.Id]; exists {
return fmt.Errorf("Duplicate ID: %s", img.Id)
} else {
IDs[img.Id] = true
}
// Store parent for 2nd pass
if parent := img.Parent; parent != "" {
parents[parent] = true
}
}
}
// Check non-existing parents
for parent := range parents {
if _, exists := parents[parent]; !exists {
return fmt.Errorf("Reference to non-registered parent: %s", parent)
}
}
return nil
}
// Note: This test is in the docker package because he needs to be run as root
func TestMount(t *testing.T) {
dir, err := ioutil.TempDir("", "docker-fs-test-mount")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(dir)
store, err := fs.New(dir)
if err != nil {
t.Fatal(err)
}
archive, err := fakeTar()
if err != nil {
t.Fatal(err)
}
image, err := store.Create(archive, nil, "foo", "Testing")
if err != nil {
t.Fatal(err)
}
// Create mount targets
root, err := ioutil.TempDir("", "docker-fs-test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(root)
rw, err := ioutil.TempDir("", "docker-fs-test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(rw)
mountpoint, err := image.Mount(root, rw)
if err != nil {
t.Fatal(err)
}
defer mountpoint.Umount()
// Mountpoint should be marked as mounted
if !mountpoint.Mounted() {
t.Fatal("Mountpoint not mounted")
}
// There should be one mountpoint registered
if mps, err := image.Mountpoints(); err != nil {
t.Fatal(err)
} else if len(mps) != 1 {
t.Fatal("Wrong number of mountpoints registered (should be %d, not %d)", 1, len(mps))
}
// Unmounting should work
if err := mountpoint.Umount(); err != nil {
t.Fatal(err)
}
// De-registering should work
if err := mountpoint.Deregister(); err != nil {
t.Fatal(err)
}
if mps, err := image.Mountpoints(); err != nil {
t.Fatal(err)
} else if len(mps) != 0 {
t.Fatal("Wrong number of mountpoints registered (should be %d, not %d)", 0, len(mps))
}
// General health check
if err := healthCheck(store); err != nil {
t.Fatal(err)
}
}