mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
101 lines
3 KiB
Go
101 lines
3 KiB
Go
package main
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import (
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"os/exec"
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"strings"
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"testing"
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)
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func TestRmiWithContainerFails(t *testing.T) {
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errSubstr := "is using it"
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// create a container
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runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true")
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out, _, err := runCommandWithOutput(runCmd)
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if err != nil {
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t.Fatalf("failed to create a container: %s, %v", out, err)
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}
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cleanedContainerID := stripTrailingCharacters(out)
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// try to delete the image
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runCmd = exec.Command(dockerBinary, "rmi", "busybox")
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out, _, err = runCommandWithOutput(runCmd)
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if err == nil {
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t.Fatalf("Container %q is using image, should not be able to rmi: %q", cleanedContainerID, out)
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}
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if !strings.Contains(out, errSubstr) {
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t.Fatalf("Container %q is using image, error message should contain %q: %v", cleanedContainerID, errSubstr, out)
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}
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// make sure it didn't delete the busybox name
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images, _, _ := cmd(t, "images")
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if !strings.Contains(images, "busybox") {
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t.Fatalf("The name 'busybox' should not have been removed from images: %q", images)
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}
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deleteContainer(cleanedContainerID)
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logDone("rmi- container using image while rmi, should not remove image name")
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}
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func TestRmiTag(t *testing.T) {
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imagesBefore, _, _ := cmd(t, "images", "-a")
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cmd(t, "tag", "busybox", "utest:tag1")
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cmd(t, "tag", "busybox", "utest/docker:tag2")
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cmd(t, "tag", "busybox", "utest:5000/docker:tag3")
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{
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imagesAfter, _, _ := cmd(t, "images", "-a")
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if nLines(imagesAfter) != nLines(imagesBefore)+3 {
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t.Fatalf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter)
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}
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}
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cmd(t, "rmi", "utest/docker:tag2")
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{
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imagesAfter, _, _ := cmd(t, "images", "-a")
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if nLines(imagesAfter) != nLines(imagesBefore)+2 {
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t.Fatalf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter)
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}
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}
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cmd(t, "rmi", "utest:5000/docker:tag3")
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{
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imagesAfter, _, _ := cmd(t, "images", "-a")
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if nLines(imagesAfter) != nLines(imagesBefore)+1 {
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t.Fatalf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter)
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}
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}
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cmd(t, "rmi", "utest:tag1")
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{
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imagesAfter, _, _ := cmd(t, "images", "-a")
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if nLines(imagesAfter) != nLines(imagesBefore)+0 {
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t.Fatalf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter)
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}
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}
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logDone("tag,rmi- tagging the same images multiple times then removing tags")
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}
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func TestRmiTagWithExistingContainers(t *testing.T) {
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container := "test-delete-tag"
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newtag := "busybox:newtag"
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bb := "busybox:latest"
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if out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "tag", bb, newtag)); err != nil {
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t.Fatalf("Could not tag busybox: %v: %s", err, out)
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}
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if out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--name", container, bb, "/bin/true")); err != nil {
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t.Fatalf("Could not run busybox: %v: %s", err, out)
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}
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out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "rmi", newtag))
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if err != nil {
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t.Fatalf("Could not remove tag %s: %v: %s", newtag, err, out)
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}
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if d := strings.Count(out, "Untagged: "); d != 1 {
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t.Fatalf("Expected 1 untagged entry got %d: %q", d, out)
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}
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deleteAllContainers()
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logDone("rmi - delete tag with existing containers")
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}
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