github.com/afbjorklund/moby@v20.10.5+incompatible/integration-cli/docker_cli_history_test.go (about)

     1  package main
     2  
     3  import (
     4  	"fmt"
     5  	"regexp"
     6  	"strconv"
     7  	"strings"
     8  	"testing"
     9  
    10  	"github.com/docker/docker/integration-cli/cli/build"
    11  	"gotest.tools/v3/assert"
    12  	"gotest.tools/v3/assert/cmp"
    13  )
    14  
    15  // This is a heisen-test.  Because the created timestamp of images and the behavior of
    16  // sort is not predictable it doesn't always fail.
    17  func (s *DockerSuite) TestBuildHistory(c *testing.T) {
    18  	name := "testbuildhistory"
    19  	buildImageSuccessfully(c, name, build.WithDockerfile(`FROM `+minimalBaseImage()+`
    20  LABEL label.A="A"
    21  LABEL label.B="B"
    22  LABEL label.C="C"
    23  LABEL label.D="D"
    24  LABEL label.E="E"
    25  LABEL label.F="F"
    26  LABEL label.G="G"
    27  LABEL label.H="H"
    28  LABEL label.I="I"
    29  LABEL label.J="J"
    30  LABEL label.K="K"
    31  LABEL label.L="L"
    32  LABEL label.M="M"
    33  LABEL label.N="N"
    34  LABEL label.O="O"
    35  LABEL label.P="P"
    36  LABEL label.Q="Q"
    37  LABEL label.R="R"
    38  LABEL label.S="S"
    39  LABEL label.T="T"
    40  LABEL label.U="U"
    41  LABEL label.V="V"
    42  LABEL label.W="W"
    43  LABEL label.X="X"
    44  LABEL label.Y="Y"
    45  LABEL label.Z="Z"`))
    46  
    47  	out, _ := dockerCmd(c, "history", name)
    48  	actualValues := strings.Split(out, "\n")[1:27]
    49  	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"}
    50  
    51  	for i := 0; i < 26; i++ {
    52  		echoValue := fmt.Sprintf("LABEL label.%s=%s", expectedValues[i], expectedValues[i])
    53  		actualValue := actualValues[i]
    54  		assert.Assert(c, strings.Contains(actualValue, echoValue))
    55  	}
    56  
    57  }
    58  
    59  func (s *DockerSuite) TestHistoryExistentImage(c *testing.T) {
    60  	dockerCmd(c, "history", "busybox")
    61  }
    62  
    63  func (s *DockerSuite) TestHistoryNonExistentImage(c *testing.T) {
    64  	_, _, err := dockerCmdWithError("history", "testHistoryNonExistentImage")
    65  	assert.Assert(c, err != nil, "history on a non-existent image should fail.")
    66  }
    67  
    68  func (s *DockerSuite) TestHistoryImageWithComment(c *testing.T) {
    69  	name := "testhistoryimagewithcomment"
    70  
    71  	// make an image through docker commit <container id> [ -m messages ]
    72  
    73  	dockerCmd(c, "run", "--name", name, "busybox", "true")
    74  	dockerCmd(c, "wait", name)
    75  
    76  	comment := "This_is_a_comment"
    77  	dockerCmd(c, "commit", "-m="+comment, name, name)
    78  
    79  	// test docker history <image id> to check comment messages
    80  
    81  	out, _ := dockerCmd(c, "history", name)
    82  	outputTabs := strings.Fields(strings.Split(out, "\n")[1])
    83  	actualValue := outputTabs[len(outputTabs)-1]
    84  	assert.Assert(c, strings.Contains(actualValue, comment))
    85  }
    86  
    87  func (s *DockerSuite) TestHistoryHumanOptionFalse(c *testing.T) {
    88  	out, _ := dockerCmd(c, "history", "--human=false", "busybox")
    89  	lines := strings.Split(out, "\n")
    90  	sizeColumnRegex, _ := regexp.Compile("SIZE +")
    91  	indices := sizeColumnRegex.FindStringIndex(lines[0])
    92  	startIndex := indices[0]
    93  	endIndex := indices[1]
    94  	for i := 1; i < len(lines)-1; i++ {
    95  		if endIndex > len(lines[i]) {
    96  			endIndex = len(lines[i])
    97  		}
    98  		sizeString := lines[i][startIndex:endIndex]
    99  
   100  		_, err := strconv.Atoi(strings.TrimSpace(sizeString))
   101  		assert.Assert(c, err == nil, "The size '%s' was not an Integer", sizeString)
   102  	}
   103  }
   104  
   105  func (s *DockerSuite) TestHistoryHumanOptionTrue(c *testing.T) {
   106  	out, _ := dockerCmd(c, "history", "--human=true", "busybox")
   107  	lines := strings.Split(out, "\n")
   108  	sizeColumnRegex, _ := regexp.Compile("SIZE +")
   109  	humanSizeRegexRaw := "\\d+.*B" // Matches human sizes like 10 MB, 3.2 KB, etc
   110  	indices := sizeColumnRegex.FindStringIndex(lines[0])
   111  	startIndex := indices[0]
   112  	endIndex := indices[1]
   113  	for i := 1; i < len(lines)-1; i++ {
   114  		if endIndex > len(lines[i]) {
   115  			endIndex = len(lines[i])
   116  		}
   117  		sizeString := lines[i][startIndex:endIndex]
   118  		assert.Assert(c, cmp.Regexp("^"+humanSizeRegexRaw+"$",
   119  			strings.TrimSpace(sizeString)), fmt.Sprintf("The size '%s' was not in human format", sizeString))
   120  	}
   121  }