44 lines
1.4 KiB
Go
44 lines
1.4 KiB
Go
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package main
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import (
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"fmt"
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"os/exec"
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"path/filepath"
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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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buildDirectory := filepath.Join(workingDirectory, "build_tests", "TestBuildHistory")
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buildCmd := exec.Command(dockerBinary, "build", "-t", "testbuildhistory", ".")
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buildCmd.Dir = buildDirectory
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out, exitCode, err := runCommandWithOutput(buildCmd)
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errorOut(err, t, fmt.Sprintf("build failed to complete: %v %v", out, err))
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if err != nil || exitCode != 0 {
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t.Fatal("failed to build the image")
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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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deleteImages("testbuildhistory")
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}
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