Files
docker-cli/components/engine/integration-cli/docker_cli_history_test.go
Alexandr Morozov a1e93ec56c Rewrite TestBuildHistory to not use fixtures
Signed-off-by: Alexandr Morozov <lk4d4@docker.com>
Upstream-commit: ab4738b49fa72b5ac1d5cc441f6e5bb4328a04c6
Component: engine
2014-09-24 12:38:48 +04:00

86 lines
2.1 KiB
Go

package main
import (
"fmt"
"os/exec"
"strings"
"testing"
)
// 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 TestBuildHistory(t *testing.T) {
name := "testbuildhistory"
defer deleteImages(name)
_, err := buildImage(name, `FROM busybox
RUN echo "A"
RUN echo "B"
RUN echo "C"
RUN echo "D"
RUN echo "E"
RUN echo "F"
RUN echo "G"
RUN echo "H"
RUN echo "I"
RUN echo "J"
RUN echo "K"
RUN echo "L"
RUN echo "M"
RUN echo "N"
RUN echo "O"
RUN echo "P"
RUN echo "Q"
RUN echo "R"
RUN echo "S"
RUN echo "T"
RUN echo "U"
RUN echo "V"
RUN echo "W"
RUN echo "X"
RUN echo "Y"
RUN echo "Z"`,
true)
if err != nil {
t.Fatal(err)
}
out, exitCode, err := runCommandWithOutput(exec.Command(dockerBinary, "history", "testbuildhistory"))
errorOut(err, t, fmt.Sprintf("image history failed: %v %v", out, err))
if err != nil || exitCode != 0 {
t.Fatal("failed to get image history")
}
actual_values := strings.Split(out, "\n")[1:27]
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"}
for i := 0; i < 26; i++ {
echo_value := fmt.Sprintf("echo \"%s\"", expected_values[i])
actual_value := actual_values[i]
if !strings.Contains(actual_value, echo_value) {
t.Fatalf("Expected layer \"%s\", but was: %s", expected_values[i], actual_value)
}
}
logDone("history - build history")
}
func TestHistoryExistentImage(t *testing.T) {
historyCmd := exec.Command(dockerBinary, "history", "busybox")
_, exitCode, err := runCommandWithOutput(historyCmd)
if err != nil || exitCode != 0 {
t.Fatal("failed to get image history")
}
logDone("history - history on existent image must not fail")
}
func TestHistoryNonExistentImage(t *testing.T) {
historyCmd := exec.Command(dockerBinary, "history", "testHistoryNonExistentImage")
_, exitCode, err := runCommandWithOutput(historyCmd)
if err == nil || exitCode == 0 {
t.Fatal("history on a non-existent image didn't result in a non-zero exit status")
}
logDone("history - history on non-existent image must fail")
}