127 lines
3.6 KiB
Go
127 lines
3.6 KiB
Go
package main
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import (
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"fmt"
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"os/exec"
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"strings"
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"testing"
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)
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// This is a heisen-test. Because the created timestamp of images and the behavior of
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// sort is not predictable it doesn't always fail.
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func TestBuildHistory(t *testing.T) {
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name := "testbuildhistory"
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defer deleteImages(name)
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_, err := buildImage(name, `FROM busybox
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RUN echo "A"
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RUN echo "B"
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RUN echo "C"
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RUN echo "D"
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RUN echo "E"
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RUN echo "F"
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RUN echo "G"
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RUN echo "H"
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RUN echo "I"
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RUN echo "J"
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RUN echo "K"
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RUN echo "L"
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RUN echo "M"
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RUN echo "N"
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RUN echo "O"
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RUN echo "P"
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RUN echo "Q"
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RUN echo "R"
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RUN echo "S"
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RUN echo "T"
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RUN echo "U"
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RUN echo "V"
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RUN echo "W"
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RUN echo "X"
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RUN echo "Y"
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RUN echo "Z"`,
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true)
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if err != nil {
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t.Fatal(err)
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}
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out, exitCode, err := runCommandWithOutput(exec.Command(dockerBinary, "history", "testbuildhistory"))
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if err != nil || exitCode != 0 {
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t.Fatalf("failed to get image history: %s, %v", out, err)
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}
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actualValues := strings.Split(out, "\n")[1:27]
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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"}
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for i := 0; i < 26; i++ {
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echoValue := fmt.Sprintf("echo \"%s\"", expectedValues[i])
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actualValue := actualValues[i]
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if !strings.Contains(actualValue, echoValue) {
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t.Fatalf("Expected layer \"%s\", but was: %s", expectedValues[i], actualValue)
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}
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}
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logDone("history - build history")
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}
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func TestHistoryExistentImage(t *testing.T) {
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historyCmd := exec.Command(dockerBinary, "history", "busybox")
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_, exitCode, err := runCommandWithOutput(historyCmd)
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if err != nil || exitCode != 0 {
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t.Fatal("failed to get image history")
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}
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logDone("history - history on existent image must pass")
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}
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func TestHistoryNonExistentImage(t *testing.T) {
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historyCmd := exec.Command(dockerBinary, "history", "testHistoryNonExistentImage")
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_, exitCode, err := runCommandWithOutput(historyCmd)
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if err == nil || exitCode == 0 {
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t.Fatal("history on a non-existent image didn't result in a non-zero exit status")
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}
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logDone("history - history on non-existent image must pass")
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}
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func TestHistoryImageWithComment(t *testing.T) {
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name := "testhistoryimagewithcomment"
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defer deleteContainer(name)
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defer deleteImages(name)
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// make a image through docker commit <container id> [ -m messages ]
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//runCmd := exec.Command(dockerBinary, "run", "-i", "-a", "stdin", "busybox", "echo", "foo")
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runCmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "true")
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out, _, err := runCommandWithOutput(runCmd)
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if err != nil {
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t.Fatalf("failed to run container: %s, %v", out, err)
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}
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waitCmd := exec.Command(dockerBinary, "wait", name)
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if out, _, err := runCommandWithOutput(waitCmd); err != nil {
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t.Fatalf("error thrown while waiting for container: %s, %v", out, err)
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}
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comment := "This_is_a_comment"
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commitCmd := exec.Command(dockerBinary, "commit", "-m="+comment, name, name)
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if out, _, err := runCommandWithOutput(commitCmd); err != nil {
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t.Fatalf("failed to commit container to image: %s, %v", out, err)
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}
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// test docker history <image id> to check comment messages
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historyCmd := exec.Command(dockerBinary, "history", name)
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out, exitCode, err := runCommandWithOutput(historyCmd)
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if err != nil || exitCode != 0 {
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t.Fatalf("failed to get image history: %s, %v", out, err)
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}
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outputTabs := strings.Fields(strings.Split(out, "\n")[1])
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//outputTabs := regexp.MustCompile(" +").Split(outputLine, -1)
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actualValue := outputTabs[len(outputTabs)-1]
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if !strings.Contains(actualValue, comment) {
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t.Fatalf("Expected comments %q, but found %q", comment, actualValue)
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}
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logDone("history - history on image with comment")
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}
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