Remove docker_cli_diff_test.go from integration-cli

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

integration-cli/docker_cli_diff_test.go

@@ -1,98 +0,0 @@
-package main
-
-import (
-	"strings"
-	"time"
-
-	"github.com/docker/docker/integration-cli/checker"
-	"github.com/docker/docker/integration-cli/cli"
-	"github.com/go-check/check"
-)
-
-// ensure that an added file shows up in docker diff
-func (s *DockerSuite) TestDiffFilenameShownInOutput(c *check.C) {
-	containerCmd := `mkdir /foo; echo xyzzy > /foo/bar`
-	out := cli.DockerCmd(c, "run", "-d", "busybox", "sh", "-c", containerCmd).Combined()
-
-	// Wait for it to exit as cannot diff a running container on Windows, and
-	// it will take a few seconds to exit. Also there's no way in Windows to
-	// differentiate between an Add or a Modify, and all files are under
-	// a "Files/" prefix.
-	containerID := strings.TrimSpace(out)
-	lookingFor := "A /foo/bar"
-	if testEnv.OSType == "windows" {
-		cli.WaitExited(c, containerID, 60*time.Second)
-		lookingFor = "C Files/foo/bar"
-	}
-
-	cleanCID := strings.TrimSpace(out)
-	out = cli.DockerCmd(c, "diff", cleanCID).Combined()
-
-	found := false
-	for _, line := range strings.Split(out, "\n") {
-		if strings.Contains(line, lookingFor) {
-			found = true
-			break
-		}
-	}
-	c.Assert(found, checker.True)
-}
-
-// test to ensure GH #3840 doesn't occur any more
-func (s *DockerSuite) TestDiffEnsureInitLayerFilesAreIgnored(c *check.C) {
-	testRequires(c, DaemonIsLinux)
-	// this is a list of files which shouldn't show up in `docker diff`
-	initLayerFiles := []string{"/etc/resolv.conf", "/etc/hostname", "/etc/hosts", "/.dockerenv"}
-	containerCount := 5
-
-	// we might not run into this problem from the first run, so start a few containers
-	for i := 0; i < containerCount; i++ {
-		containerCmd := `echo foo > /root/bar`
-		out, _ := dockerCmd(c, "run", "-d", "busybox", "sh", "-c", containerCmd)
-
-		cleanCID := strings.TrimSpace(out)
-		out, _ = dockerCmd(c, "diff", cleanCID)
-
-		for _, filename := range initLayerFiles {
-			c.Assert(out, checker.Not(checker.Contains), filename)
-		}
-	}
-}
-
-func (s *DockerSuite) TestDiffEnsureDefaultDevs(c *check.C) {
-	testRequires(c, DaemonIsLinux)
-	out, _ := dockerCmd(c, "run", "-d", "busybox", "sleep", "0")
-
-	cleanCID := strings.TrimSpace(out)
-	out, _ = dockerCmd(c, "diff", cleanCID)
-
-	expected := map[string]bool{
-		"C /dev":         true,
-		"A /dev/full":    true, // busybox
-		"C /dev/ptmx":    true, // libcontainer
-		"A /dev/mqueue":  true,
-		"A /dev/kmsg":    true,
-		"A /dev/fd":      true,
-		"A /dev/ptmx":    true,
-		"A /dev/null":    true,
-		"A /dev/random":  true,
-		"A /dev/stdout":  true,
-		"A /dev/stderr":  true,
-		"A /dev/tty1":    true,
-		"A /dev/stdin":   true,
-		"A /dev/tty":     true,
-		"A /dev/urandom": true,
-		"A /dev/zero":    true,
-	}
-
-	for _, line := range strings.Split(out, "\n") {
-		c.Assert(line == "" || expected[line], checker.True, check.Commentf(line))
-	}
-}
-
-// https://github.com/docker/docker/pull/14381#discussion_r33859347
-func (s *DockerSuite) TestDiffEmptyArgClientError(c *check.C) {
-	out, _, err := dockerCmdWithError("diff", "")
-	c.Assert(err, checker.NotNil)
-	c.Assert(strings.TrimSpace(out), checker.Contains, "Container name cannot be empty")
-}