From 9d84d4c2ccf92aa87d82ff82aedd177950951dbf Mon Sep 17 00:00:00 2001 From: Antonio Murdaca Date: Wed, 8 Jul 2015 10:44:48 +0200 Subject: [PATCH] Add diff command with emtpy string testcase Signed-off-by: Antonio Murdaca --- integration-cli/docker_cli_diff_test.go | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/integration-cli/docker_cli_diff_test.go b/integration-cli/docker_cli_diff_test.go index 725b762864..75e9b1d562 100644 --- a/integration-cli/docker_cli_diff_test.go +++ b/integration-cli/docker_cli_diff_test.go @@ -108,3 +108,10 @@ func (s *DockerSuite) TestDiffEnsureOnlyKmsgAndPtmx(c *check.C) { } } } + +// https://github.com/docker/docker/pull/14381#discussion_r33859347 +func (s *DockerSuite) TestDiffEmptyArgClientError(c *check.C) { + out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "diff", "")) + c.Assert(err, check.NotNil) + c.Assert(strings.TrimSpace(out), check.Equals, "Container name cannot be empty") +}