78 lines
2.2 KiB
Go
78 lines
2.2 KiB
Go
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"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)
|
|
errorOut(err, t, fmt.Sprintf("failed to create a container: %v %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, _, _ := cmd(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, _, _ := cmd(t, "images", "-a")
|
|
cmd(t, "tag", "busybox", "utest:tag1")
|
|
cmd(t, "tag", "busybox", "utest/docker:tag2")
|
|
cmd(t, "tag", "busybox", "utest:5000/docker:tag3")
|
|
{
|
|
imagesAfter, _, _ := cmd(t, "images", "-a")
|
|
if nLines(imagesAfter) != nLines(imagesBefore)+3 {
|
|
t.Fatalf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter)
|
|
}
|
|
}
|
|
cmd(t, "rmi", "utest/docker:tag2")
|
|
{
|
|
imagesAfter, _, _ := cmd(t, "images", "-a")
|
|
if nLines(imagesAfter) != nLines(imagesBefore)+2 {
|
|
t.Fatalf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter)
|
|
}
|
|
|
|
}
|
|
cmd(t, "rmi", "utest:5000/docker:tag3")
|
|
{
|
|
imagesAfter, _, _ := cmd(t, "images", "-a")
|
|
if nLines(imagesAfter) != nLines(imagesBefore)+1 {
|
|
t.Fatalf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter)
|
|
}
|
|
|
|
}
|
|
cmd(t, "rmi", "utest:tag1")
|
|
{
|
|
imagesAfter, _, _ := cmd(t, "images", "-a")
|
|
if nLines(imagesAfter) != nLines(imagesBefore)+0 {
|
|
t.Fatalf("before: %q\n\nafter: %q\n", imagesBefore, imagesAfter)
|
|
}
|
|
|
|
}
|
|
logDone("tag,rmi- tagging the same images multiple times then removing tags")
|
|
}
|