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https://github.com/moby/moby.git
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85 lines
2.1 KiB
Go
85 lines
2.1 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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errorOut(err, t, fmt.Sprintf("image history failed: %v %v", out, err))
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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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actual_values := strings.Split(out, "\n")[1:27]
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expected_values := [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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echo_value := fmt.Sprintf("echo \"%s\"", expected_values[i])
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actual_value := actual_values[i]
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if !strings.Contains(actual_value, echo_value) {
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t.Fatalf("Expected layer \"%s\", but was: %s", expected_values[i], actual_value)
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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 not fail")
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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 fail")
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}
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