| package main |
| |
| import ( |
| "os/exec" |
| "strings" |
| "testing" |
| ) |
| |
| func TestRmiWithContainerFails(t *testing.T) { |
| errSubstr := "is using it" |
| |
| // create a container |
| runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true") |
| out, _, err := runCommandWithOutput(runCmd) |
| if err != nil { |
| t.Fatalf("failed to create a container: %s, %v", out, err) |
| } |
| |
| cleanedContainerID := stripTrailingCharacters(out) |
| |
| // try to delete the image |
| runCmd = exec.Command(dockerBinary, "rmi", "busybox") |
| out, _, err = runCommandWithOutput(runCmd) |
| if err == nil { |
| t.Fatalf("Container %q is using image, should not be able to rmi: %q", cleanedContainerID, out) |
| } |
| if !strings.Contains(out, errSubstr) { |
| t.Fatalf("Container %q is using image, error message should contain %q: %v", cleanedContainerID, errSubstr, out) |
| } |
| |
| // make sure it didn't delete the busybox name |
| images, _, _ := dockerCmd(t, "images") |
| if !strings.Contains(images, "busybox") { |
| t.Fatalf("The name 'busybox' should not have been removed from images: %q", images) |
| } |
| |
| deleteContainer(cleanedContainerID) |
| |
| logDone("rmi- container using image while rmi, should not remove image name") |
| } |
| |
| func TestRmiTag(t *testing.T) { |
| imagesBefore, _, _ := dockerCmd(t, "images", "-a") |
| dockerCmd(t, "tag", "busybox", "utest:tag1") |
| dockerCmd(t, "tag", "busybox", "utest/docker:tag2") |
| dockerCmd(t, "tag", "busybox", "utest:5000/docker:tag3") |
| { |
| imagesAfter, _, _ := dockerCmd(t, "images", "-a") |
| if strings.Count(imagesAfter, "\n") != strings.Count(imagesBefore, "\n")+3 { |
| t.Fatalf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter) |
| } |
| } |
| dockerCmd(t, "rmi", "utest/docker:tag2") |
| { |
| imagesAfter, _, _ := dockerCmd(t, "images", "-a") |
| if strings.Count(imagesAfter, "\n") != strings.Count(imagesBefore, "\n")+2 { |
| t.Fatalf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter) |
| } |
| |
| } |
| dockerCmd(t, "rmi", "utest:5000/docker:tag3") |
| { |
| imagesAfter, _, _ := dockerCmd(t, "images", "-a") |
| if strings.Count(imagesAfter, "\n") != strings.Count(imagesBefore, "\n")+1 { |
| t.Fatalf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter) |
| } |
| |
| } |
| dockerCmd(t, "rmi", "utest:tag1") |
| { |
| imagesAfter, _, _ := dockerCmd(t, "images", "-a") |
| if strings.Count(imagesAfter, "\n") != strings.Count(imagesBefore, "\n")+0 { |
| t.Fatalf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter) |
| } |
| |
| } |
| logDone("rmi - tag,rmi- tagging the same images multiple times then removing tags") |
| } |
| |
| func TestRmiTagWithExistingContainers(t *testing.T) { |
| defer deleteAllContainers() |
| |
| container := "test-delete-tag" |
| newtag := "busybox:newtag" |
| bb := "busybox:latest" |
| if out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "tag", bb, newtag)); err != nil { |
| t.Fatalf("Could not tag busybox: %v: %s", err, out) |
| } |
| if out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--name", container, bb, "/bin/true")); err != nil { |
| t.Fatalf("Could not run busybox: %v: %s", err, out) |
| } |
| out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "rmi", newtag)) |
| if err != nil { |
| t.Fatalf("Could not remove tag %s: %v: %s", newtag, err, out) |
| } |
| if d := strings.Count(out, "Untagged: "); d != 1 { |
| t.Fatalf("Expected 1 untagged entry got %d: %q", d, out) |
| } |
| |
| logDone("rmi - delete tag with existing containers") |
| } |
| |
| func TestRmiForceWithExistingContainers(t *testing.T) { |
| defer deleteAllContainers() |
| |
| image := "busybox-clone" |
| |
| cmd := exec.Command(dockerBinary, "build", "--no-cache", "-t", image, "-") |
| cmd.Stdin = strings.NewReader(`FROM busybox |
| MAINTAINER foo`) |
| |
| if out, _, err := runCommandWithOutput(cmd); err != nil { |
| t.Fatalf("Could not build %s: %s, %v", image, out, err) |
| } |
| |
| if out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--name", "test-force-rmi", image, "/bin/true")); err != nil { |
| t.Fatalf("Could not run container: %s, %v", out, err) |
| } |
| |
| out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "rmi", "-f", image)) |
| if err != nil { |
| t.Fatalf("Could not remove image %s: %s, %v", image, out, err) |
| } |
| |
| logDone("rmi - force delete with existing containers") |
| } |
| |
| func TestRmiWithMultipleRepositories(t *testing.T) { |
| defer deleteAllContainers() |
| newRepo := "127.0.0.1:5000/busybox" |
| oldRepo := "busybox" |
| newTag := "busybox:test" |
| cmd := exec.Command(dockerBinary, "tag", oldRepo, newRepo) |
| out, _, err := runCommandWithOutput(cmd) |
| if err != nil { |
| t.Fatalf("Could not tag busybox: %v: %s", err, out) |
| } |
| cmd = exec.Command(dockerBinary, "run", "--name", "test", oldRepo, "touch", "/home/abcd") |
| out, _, err = runCommandWithOutput(cmd) |
| if err != nil { |
| t.Fatalf("failed to run container: %v, output: %s", err, out) |
| } |
| cmd = exec.Command(dockerBinary, "commit", "test", newTag) |
| out, _, err = runCommandWithOutput(cmd) |
| if err != nil { |
| t.Fatalf("failed to commit container: %v, output: %s", err, out) |
| } |
| cmd = exec.Command(dockerBinary, "rmi", newTag) |
| out, _, err = runCommandWithOutput(cmd) |
| if err != nil { |
| t.Fatalf("failed to remove image: %v, output: %s", err, out) |
| } |
| if !strings.Contains(out, "Untagged: "+newTag) { |
| t.Fatalf("Could not remove image %s: %s, %v", newTag, out, err) |
| } |
| |
| logDone("rmi - delete a image which its dependency tagged to multiple repositories success") |
| } |
| |
| func TestRmiBlank(t *testing.T) { |
| // try to delete a blank image name |
| runCmd := exec.Command(dockerBinary, "rmi", "") |
| out, _, err := runCommandWithOutput(runCmd) |
| |
| if err == nil { |
| t.Fatal("Should have failed to delete '' image") |
| } |
| |
| if strings.Contains(out, "No such image") { |
| t.Fatalf("Wrong error message generated: %s", out) |
| } |
| logDone("rmi- blank image name") |
| } |