зеркало из https://github.com/microsoft/docker.git
77 строки
2.8 KiB
Go
77 строки
2.8 KiB
Go
package main
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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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// 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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cleanedContainerID := stripTrailingCharacters(out)
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exec.Command(dockerBinary, "wait", cleanedContainerID).Run()
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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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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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go deleteContainer(cleanedContainerID)
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logDone("logs - logs container running echo smaller than page size")
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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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cleanedContainerID := stripTrailingCharacters(out)
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exec.Command(dockerBinary, "wait", cleanedContainerID).Run()
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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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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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go deleteContainer(cleanedContainerID)
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logDone("logs - logs container running echo bigger than page size")
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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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cleanedContainerID := stripTrailingCharacters(out)
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exec.Command(dockerBinary, "wait", cleanedContainerID).Run()
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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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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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go deleteContainer(cleanedContainerID)
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logDone("logs - logs container running echo much bigger than page size")
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}
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