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Use of checkers in docker_cli_pull_test.go

Signed-off-by: James Carey <jecarey@us.ibm.com>
This commit is contained in:
James Carey 2015-12-16 10:20:56 -06:00
parent 8537501ebd
commit 1b010516d0

View file

@ -29,11 +29,9 @@ func (s *DockerHubPullSuite) TestPullFromCentralRegistry(c *check.C) {
// We should have a single entry in images.
img := strings.TrimSpace(s.Cmd(c, "images"))
if splitImg := strings.Split(img, "\n"); len(splitImg) != 2 {
c.Fatalf("expected only two lines in the output of `docker images`, got %d", len(splitImg))
} else if re := regexp.MustCompile(`^hello-world\s+latest`); !re.Match([]byte(splitImg[1])) {
c.Fatal("invalid output for `docker images` (expected image and tag name")
}
splitImg := strings.Split(img, "\n")
c.Assert(splitImg, checker.HasLen, 2)
c.Assert(splitImg[1], checker.Matches, `hello-world\s+latest.*?`, check.Commentf("invalid output for `docker images` (expected image and tag name"))
}
// TestPullNonExistingImage pulls non-existing images from the central registry, with different
@ -81,11 +79,9 @@ func (s *DockerHubPullSuite) TestPullFromCentralRegistryImplicitRefParts(c *chec
// We should have a single entry in images.
img := strings.TrimSpace(s.Cmd(c, "images"))
if splitImg := strings.Split(img, "\n"); len(splitImg) != 2 {
c.Fatalf("expected only two lines in the output of `docker images`, got %d", len(splitImg))
} else if re := regexp.MustCompile(`^hello-world\s+latest`); !re.Match([]byte(splitImg[1])) {
c.Fatal("invalid output for `docker images` (expected image and tag name")
}
splitImg := strings.Split(img, "\n")
c.Assert(splitImg, checker.HasLen, 2)
c.Assert(splitImg[1], checker.Matches, `hello-world\s+latest.*?`, check.Commentf("invalid output for `docker images` (expected image and tag name"))
}
// TestPullScratchNotAllowed verifies that pulling 'scratch' is rejected.
@ -104,13 +100,12 @@ func (s *DockerHubPullSuite) TestPullAllTagsFromCentralRegistry(c *check.C) {
s.Cmd(c, "pull", "busybox")
outImageCmd := s.Cmd(c, "images", "busybox")
splitOutImageCmd := strings.Split(strings.TrimSpace(outImageCmd), "\n")
c.Assert(splitOutImageCmd, checker.HasLen, 2, check.Commentf("expected a single entry in images\n%v", outImageCmd))
c.Assert(splitOutImageCmd, checker.HasLen, 2)
s.Cmd(c, "pull", "--all-tags=true", "busybox")
outImageAllTagCmd := s.Cmd(c, "images", "busybox")
if linesCount := strings.Count(outImageAllTagCmd, "\n"); linesCount <= 2 {
c.Fatalf("pulling all tags should provide more images, got %d", linesCount-1)
}
linesCount := strings.Count(outImageAllTagCmd, "\n")
c.Assert(linesCount, checker.GreaterThan, 2, check.Commentf("pulling all tags should provide more than two images, got %s", outImageAllTagCmd))
// Verify that the line for 'busybox:latest' is left unchanged.
var latestLine string
@ -162,7 +157,6 @@ func (s *DockerHubPullSuite) TestPullClientDisconnect(c *check.C) {
c.Assert(err, checker.IsNil)
time.Sleep(2 * time.Second)
if _, err := s.CmdWithError("inspect", repoName); err == nil {
c.Fatal("image was pulled after client disconnected")
}
_, err = s.CmdWithError("inspect", repoName)
c.Assert(err, checker.NotNil, check.Commentf("image was pulled after client disconnected"))
}