package main import ( "fmt" "regexp" "strconv" "strings" "github.com/docker/docker/integration-cli/checker" "github.com/go-check/check" ) // This is a heisen-test. Because the created timestamp of images and the behavior of // sort is not predictable it doesn't always fail. func (s *DockerSuite) TestBuildHistory(c *check.C) { name := "testbuildhistory" buildImageSuccessfully(c, name, withDockerfile(`FROM `+minimalBaseImage()+` LABEL label.A="A" LABEL label.B="B" LABEL label.C="C" LABEL label.D="D" LABEL label.E="E" LABEL label.F="F" LABEL label.G="G" LABEL label.H="H" LABEL label.I="I" LABEL label.J="J" LABEL label.K="K" LABEL label.L="L" LABEL label.M="M" LABEL label.N="N" LABEL label.O="O" LABEL label.P="P" LABEL label.Q="Q" LABEL label.R="R" LABEL label.S="S" LABEL label.T="T" LABEL label.U="U" LABEL label.V="V" LABEL label.W="W" LABEL label.X="X" LABEL label.Y="Y" LABEL label.Z="Z"`)) out, _ := dockerCmd(c, "history", name) actualValues := strings.Split(out, "\n")[1:27] expectedValues := [26]string{"Z", "Y", "X", "W", "V", "U", "T", "S", "R", "Q", "P", "O", "N", "M", "L", "K", "J", "I", "H", "G", "F", "E", "D", "C", "B", "A"} for i := 0; i < 26; i++ { echoValue := fmt.Sprintf("LABEL label.%s=%s", expectedValues[i], expectedValues[i]) actualValue := actualValues[i] c.Assert(actualValue, checker.Contains, echoValue) } } func (s *DockerSuite) TestHistoryExistentImage(c *check.C) { dockerCmd(c, "history", "busybox") } func (s *DockerSuite) TestHistoryNonExistentImage(c *check.C) { _, _, err := dockerCmdWithError("history", "testHistoryNonExistentImage") c.Assert(err, checker.NotNil, check.Commentf("history on a non-existent image should fail.")) } func (s *DockerSuite) TestHistoryImageWithComment(c *check.C) { name := "testhistoryimagewithcomment" // make an image through docker commit [ -m messages ] dockerCmd(c, "run", "--name", name, "busybox", "true") dockerCmd(c, "wait", name) comment := "This_is_a_comment" dockerCmd(c, "commit", "-m="+comment, name, name) // test docker history to check comment messages out, _ := dockerCmd(c, "history", name) outputTabs := strings.Fields(strings.Split(out, "\n")[1]) actualValue := outputTabs[len(outputTabs)-1] c.Assert(actualValue, checker.Contains, comment) } func (s *DockerSuite) TestHistoryHumanOptionFalse(c *check.C) { out, _ := dockerCmd(c, "history", "--human=false", "busybox") lines := strings.Split(out, "\n") sizeColumnRegex, _ := regexp.Compile("SIZE +") indices := sizeColumnRegex.FindStringIndex(lines[0]) startIndex := indices[0] endIndex := indices[1] for i := 1; i < len(lines)-1; i++ { if endIndex > len(lines[i]) { endIndex = len(lines[i]) } sizeString := lines[i][startIndex:endIndex] _, err := strconv.Atoi(strings.TrimSpace(sizeString)) c.Assert(err, checker.IsNil, check.Commentf("The size '%s' was not an Integer", sizeString)) } } func (s *DockerSuite) TestHistoryHumanOptionTrue(c *check.C) { out, _ := dockerCmd(c, "history", "--human=true", "busybox") lines := strings.Split(out, "\n") sizeColumnRegex, _ := regexp.Compile("SIZE +") humanSizeRegexRaw := "\\d+.*B" // Matches human sizes like 10 MB, 3.2 KB, etc indices := sizeColumnRegex.FindStringIndex(lines[0]) startIndex := indices[0] endIndex := indices[1] for i := 1; i < len(lines)-1; i++ { if endIndex > len(lines[i]) { endIndex = len(lines[i]) } sizeString := lines[i][startIndex:endIndex] c.Assert(strings.TrimSpace(sizeString), checker.Matches, humanSizeRegexRaw, check.Commentf("The size '%s' was not in human format", sizeString)) } }