Function TestContainerList

cmd/nerdctl/container/container_list_linux_test.go:126–166

(t *testing.T)

}

func TestContainerList(t *testing.T) {
	base, testContainer := preparePsTestContainer(t, "list", true)

	// hope there are no tests running parallel
	base.Cmd("ps", "-n", "1", "-s").AssertOutWithFunc(func(stdout string) error {
		// An example of nerdctl/docker ps -n 1 -s
		// CONTAINER ID    IMAGE                               COMMAND    CREATED           STATUS    PORTS    NAMES            SIZE
		// be8d386c991e    docker.io/library/busybox:latest    "top"      1 second ago    Up                 c1       16.0 KiB (virtual 1.3 MiB)

		lines := strings.Split(strings.TrimSpace(stdout), "\n")
		if len(lines) < 2 {
			return fmt.Errorf("expected at least 2 lines, got %d", len(lines))
		}

		tab := tabutil.NewReader("CONTAINER ID\tIMAGE\tCOMMAND\tCREATED\tSTATUS\tPORTS\tNAMES\tSIZE")
		err := tab.ParseHeader(lines[0])
		if err != nil {
			return fmt.Errorf("failed to parse header: %v", err)
		}

		container, _ := tab.ReadRow(lines[1], "NAMES")
		assert.Equal(t, container, testContainer.name)

		image, _ := tab.ReadRow(lines[1], "IMAGE")
		assert.Equal(t, image, testutil.CommonImage)

		size, _ := tab.ReadRow(lines[1], "SIZE")

		// there is some difference between nerdctl and docker in calculating the size of the container
		expectedSize := "26.2MB (virtual "
		if !nerdtest.IsDocker() {
			expectedSize = "25.0 MiB (virtual "
		}

		if !strings.Contains(size, expectedSize) {
			return fmt.Errorf("expect container size %s, but got %s", expectedSize, size)
		}

		return nil
	})
}

func TestContainerListWideMode(t *testing.T) {
	testutil.DockerIncompatible(t)