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package main
import (
"fmt"
"regexp"
"strconv"
"strings"
"testing"
"github.com/docker/docker/integration-cli/cli/build"
"gotest.tools/v3/assert"
"gotest.tools/v3/assert/cmp"
)
type DockerCLIHistorySuite struct {
ds *DockerSuite
}
func (s *DockerCLIHistorySuite) TearDownTest(c *testing.T) {
s.ds.TearDownTest(c)
}
func (s *DockerCLIHistorySuite) OnTimeout(c *testing.T) {
s.ds.OnTimeout(c)
}
// 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 *DockerCLIHistorySuite) TestBuildHistory(c *testing.T) {
name := "testbuildhistory"
buildImageSuccessfully(c, name, build.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]
assert.Assert(c, strings.Contains(actualValue, echoValue))
}
}
func (s *DockerCLIHistorySuite) TestHistoryExistentImage(c *testing.T) {
dockerCmd(c, "history", "busybox")
}
func (s *DockerCLIHistorySuite) TestHistoryNonExistentImage(c *testing.T) {
_, _, err := dockerCmdWithError("history", "testHistoryNonExistentImage")
assert.Assert(c, err != nil, "history on a non-existent image should fail.")
}
func (s *DockerCLIHistorySuite) TestHistoryImageWithComment(c *testing.T) {
name := "testhistoryimagewithcomment"
// make an image through docker commit <container id> [ -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 <image id> to check comment messages
out, _ := dockerCmd(c, "history", name)
outputTabs := strings.Fields(strings.Split(out, "\n")[1])
actualValue := outputTabs[len(outputTabs)-1]
assert.Assert(c, strings.Contains(actualValue, comment))
}
func (s *DockerCLIHistorySuite) TestHistoryHumanOptionFalse(c *testing.T) {
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))
assert.Assert(c, err == nil, "The size '%s' was not an Integer", sizeString)
}
}
func (s *DockerCLIHistorySuite) TestHistoryHumanOptionTrue(c *testing.T) {
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]
assert.Assert(c, cmp.Regexp("^"+humanSizeRegexRaw+"$",
strings.TrimSpace(sizeString)), fmt.Sprintf("The size '%s' was not in human format", sizeString))
}
}
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