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docker_cli_tag_test.go
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package main
import (
"strings"
"github.com/docker/docker/pkg/stringutils"
"github.com/go-check/check"
)
// tagging a named image in a new unprefixed repo should work
func (s *DockerSuite) TestTagUnprefixedRepoByName(c *check.C) {
testRequires(c, DaemonIsLinux)
if err := pullImageIfNotExist("busybox:latest"); err != nil {
c.Fatal("couldn't find the busybox:latest image locally and failed to pull it")
}
dockerCmd(c, "tag", "busybox:latest", "testfoobarbaz")
}
// tagging an image by ID in a new unprefixed repo should work
func (s *DockerSuite) TestTagUnprefixedRepoByID(c *check.C) {
testRequires(c, DaemonIsLinux)
imageID, err := inspectField("busybox", "Id")
c.Assert(err, check.IsNil)
dockerCmd(c, "tag", imageID, "testfoobarbaz")
}
// ensure we don't allow the use of invalid repository names; these tag operations should fail
func (s *DockerSuite) TestTagInvalidUnprefixedRepo(c *check.C) {
invalidRepos := []string{"fo$z$", "Foo@3cc", "Foo$3", "Foo*3", "Fo^3", "Foo!3", "F)xcz(", "fo%asd"}
for _, repo := range invalidRepos {
_, _, err := dockerCmdWithError("tag", "busybox", repo)
if err == nil {
c.Fatalf("tag busybox %v should have failed", repo)
}
}
}
// ensure we don't allow the use of invalid tags; these tag operations should fail
func (s *DockerSuite) TestTagInvalidPrefixedRepo(c *check.C) {
longTag := stringutils.GenerateRandomAlphaOnlyString(121)
invalidTags := []string{"repo:fo$z$", "repo:Foo@3cc", "repo:Foo$3", "repo:Foo*3", "repo:Fo^3", "repo:Foo!3", "repo:%goodbye", "repo:#hashtagit", "repo:F)xcz(", "repo:-foo", "repo:..", longTag}
for _, repotag := range invalidTags {
_, _, err := dockerCmdWithError("tag", "busybox", repotag)
if err == nil {
c.Fatalf("tag busybox %v should have failed", repotag)
}
}
}
// ensure we allow the use of valid tags
func (s *DockerSuite) TestTagValidPrefixedRepo(c *check.C) {
testRequires(c, DaemonIsLinux)
if err := pullImageIfNotExist("busybox:latest"); err != nil {
c.Fatal("couldn't find the busybox:latest image locally and failed to pull it")
}
validRepos := []string{"fooo/bar", "fooaa/test", "foooo:t"}
for _, repo := range validRepos {
_, _, err := dockerCmdWithError("tag", "busybox:latest", repo)
if err != nil {
c.Errorf("tag busybox %v should have worked: %s", repo, err)
continue
}
deleteImages(repo)
}
}
// tag an image with an existed tag name without -f option should fail
func (s *DockerSuite) TestTagExistedNameWithoutForce(c *check.C) {
testRequires(c, DaemonIsLinux)
if err := pullImageIfNotExist("busybox:latest"); err != nil {
c.Fatal("couldn't find the busybox:latest image locally and failed to pull it")
}
dockerCmd(c, "tag", "busybox:latest", "busybox:test")
out, _, err := dockerCmdWithError("tag", "busybox:latest", "busybox:test")
if err == nil || !strings.Contains(out, "Conflict: Tag test is already set to image") {
c.Fatal("tag busybox busybox:test should have failed,because busybox:test is existed")
}
}
// tag an image with an existed tag name with -f option should work
func (s *DockerSuite) TestTagExistedNameWithForce(c *check.C) {
testRequires(c, DaemonIsLinux)
if err := pullImageIfNotExist("busybox:latest"); err != nil {
c.Fatal("couldn't find the busybox:latest image locally and failed to pull it")
}
dockerCmd(c, "tag", "busybox:latest", "busybox:test")
dockerCmd(c, "tag", "-f", "busybox:latest", "busybox:test")
}
func (s *DockerSuite) TestTagWithPrefixHyphen(c *check.C) {
testRequires(c, DaemonIsLinux)
if err := pullImageIfNotExist("busybox:latest"); err != nil {
c.Fatal("couldn't find the busybox:latest image locally and failed to pull it")
}
// test repository name begin with '-'
out, _, err := dockerCmdWithError("tag", "busybox:latest", "-busybox:test")
if err == nil || !strings.Contains(out, "repository name component must match") {
c.Fatal("tag a name begin with '-' should failed")
}
// test namespace name begin with '-'
out, _, err = dockerCmdWithError("tag", "busybox:latest", "-test/busybox:test")
if err == nil || !strings.Contains(out, "repository name component must match") {
c.Fatal("tag a name begin with '-' should failed")
}
// test index name begin with '-'
out, _, err = dockerCmdWithError("tag", "busybox:latest", "-index:5000/busybox:test")
if err == nil || !strings.Contains(out, "Invalid index name (-index:5000). Cannot begin or end with a hyphen") {
c.Fatal("tag a name begin with '-' should failed")
}
}
// ensure tagging using official names works
// ensure all tags result in the same name
func (s *DockerSuite) TestTagOfficialNames(c *check.C) {
testRequires(c, DaemonIsLinux)
names := []string{
"docker.io/busybox",
"index.docker.io/busybox",
"library/busybox",
"docker.io/library/busybox",
"index.docker.io/library/busybox",
}
for _, name := range names {
out, exitCode, err := dockerCmdWithError("tag", "-f", "busybox:latest", name+":latest")
if err != nil || exitCode != 0 {
c.Errorf("tag busybox %v should have worked: %s, %s", name, err, out)
continue
}
// ensure we don't have multiple tag names.
out, _, err = dockerCmdWithError("images")
if err != nil {
c.Errorf("listing images failed with errors: %v, %s", err, out)
} else if strings.Contains(out, name) {
c.Errorf("images should not have listed '%s'", name)
deleteImages(name + ":latest")
}
}
for _, name := range names {
_, exitCode, err := dockerCmdWithError("tag", "-f", name+":latest", "fooo/bar:latest")
if err != nil || exitCode != 0 {
c.Errorf("tag %v fooo/bar should have worked: %s", name, err)
continue
}
deleteImages("fooo/bar:latest")
}
}