Browse code
Add regression test
Docker-DCO-1.1-Signed-off-by: Guillaume J. Charmes <guillaume@charmes.net> (github: creack)
Guillaume J. Charmes authored on 2014/04/01 03:40:39Showing 1 changed files
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+package main |
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+ |
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+import ( |
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+ "fmt" |
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+ "os/exec" |
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+ "testing" |
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+) |
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+ |
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+// This used to work, it test a log of PageSize-1 (gh#4851) |
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+func TestLogsContainerSmallerThanPage(t *testing.T) {
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+ testLen := 32767 |
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+ runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "sh", "-c", fmt.Sprintf("for i in $(seq 1 %d); do echo -n =; done; echo", testLen))
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+ out, _, _, err := runCommandWithStdoutStderr(runCmd) |
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+ errorOut(err, t, fmt.Sprintf("run failed with errors: %v", err))
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+ |
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+ cleanedContainerID := stripTrailingCharacters(out) |
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+ exec.Command(dockerBinary, "wait", cleanedContainerID).Run() |
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+ |
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+ logsCmd := exec.Command(dockerBinary, "logs", cleanedContainerID) |
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+ out, _, _, err = runCommandWithStdoutStderr(logsCmd) |
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+ errorOut(err, t, fmt.Sprintf("failed to log container: %v %v", out, err))
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+ |
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+ if len(out) != testLen+1 {
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+ t.Fatalf("Expected log length of %d, received %d\n", testLen+1, len(out))
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+ } |
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+ |
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+ go deleteContainer(cleanedContainerID) |
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+ |
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+ logDone("logs - logs container running echo smaller than page size")
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+} |
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+ |
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+// Regression test: When going over the PageSize, it used to panic (gh#4851) |
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+func TestLogsContainerBiggerThanPage(t *testing.T) {
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+ testLen := 32768 |
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+ runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "sh", "-c", fmt.Sprintf("for i in $(seq 1 %d); do echo -n =; done; echo", testLen))
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+ out, _, _, err := runCommandWithStdoutStderr(runCmd) |
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+ errorOut(err, t, fmt.Sprintf("run failed with errors: %v", err))
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+ |
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+ cleanedContainerID := stripTrailingCharacters(out) |
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+ exec.Command(dockerBinary, "wait", cleanedContainerID).Run() |
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+ |
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+ logsCmd := exec.Command(dockerBinary, "logs", cleanedContainerID) |
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+ out, _, _, err = runCommandWithStdoutStderr(logsCmd) |
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+ errorOut(err, t, fmt.Sprintf("failed to log container: %v %v", out, err))
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+ |
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+ if len(out) != testLen+1 {
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+ t.Fatalf("Expected log length of %d, received %d\n", testLen+1, len(out))
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+ } |
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+ |
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+ go deleteContainer(cleanedContainerID) |
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+ |
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+ logDone("logs - logs container running echo bigger than page size")
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+} |
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+ |
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+// Regression test: When going much over the PageSize, it used to block (gh#4851) |
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+func TestLogsContainerMuchBiggerThanPage(t *testing.T) {
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+ testLen := 33000 |
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+ runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "sh", "-c", fmt.Sprintf("for i in $(seq 1 %d); do echo -n =; done; echo", testLen))
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+ out, _, _, err := runCommandWithStdoutStderr(runCmd) |
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+ errorOut(err, t, fmt.Sprintf("run failed with errors: %v", err))
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+ |
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+ cleanedContainerID := stripTrailingCharacters(out) |
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+ exec.Command(dockerBinary, "wait", cleanedContainerID).Run() |
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+ |
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+ logsCmd := exec.Command(dockerBinary, "logs", cleanedContainerID) |
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+ out, _, _, err = runCommandWithStdoutStderr(logsCmd) |
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+ errorOut(err, t, fmt.Sprintf("failed to log container: %v %v", out, err))
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+ |
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+ if len(out) != testLen+1 {
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+ t.Fatalf("Expected log length of %d, received %d\n", testLen+1, len(out))
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+ } |
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+ |
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+ go deleteContainer(cleanedContainerID) |
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+ |
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+ logDone("logs - logs container running echo much bigger than page size")
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+} |