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475c65319b
This was just an alias to `strings.TrimSpace` Signed-off-by: Brian Goff <cpuguy83@gmail.com>
337 lines
9.4 KiB
Go
337 lines
9.4 KiB
Go
package main
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import (
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"fmt"
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"os/exec"
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"regexp"
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"strings"
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"testing"
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"time"
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"github.com/docker/docker/pkg/timeutils"
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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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if err != nil {
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t.Fatalf("run failed with errors: %s, %v", out, err)
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}
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cleanedContainerID := strings.TrimSpace(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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if err != nil {
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t.Fatalf("failed to log container: %s, %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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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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if err != nil {
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t.Fatalf("run failed with errors: %s, %v", out, err)
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}
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cleanedContainerID := strings.TrimSpace(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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if err != nil {
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t.Fatalf("failed to log container: %s, %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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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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if err != nil {
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t.Fatalf("run failed with errors: %s, %v", out, err)
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}
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cleanedContainerID := strings.TrimSpace(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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if err != nil {
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t.Fatalf("failed to log container: %s, %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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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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func TestLogsTimestamps(t *testing.T) {
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testLen := 100
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runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "sh", "-c", fmt.Sprintf("for i in $(seq 1 %d); do echo =; done;", testLen))
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out, _, _, err := runCommandWithStdoutStderr(runCmd)
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if err != nil {
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t.Fatalf("run failed with errors: %s, %v", out, err)
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}
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cleanedContainerID := strings.TrimSpace(out)
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exec.Command(dockerBinary, "wait", cleanedContainerID).Run()
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logsCmd := exec.Command(dockerBinary, "logs", "-t", cleanedContainerID)
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out, _, _, err = runCommandWithStdoutStderr(logsCmd)
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if err != nil {
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t.Fatalf("failed to log container: %s, %v", out, err)
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}
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lines := strings.Split(out, "\n")
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if len(lines) != testLen+1 {
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t.Fatalf("Expected log %d lines, received %d\n", testLen+1, len(lines))
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}
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ts := regexp.MustCompile(`^.* `)
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for _, l := range lines {
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if l != "" {
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_, err := time.Parse(timeutils.RFC3339NanoFixed+" ", ts.FindString(l))
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if err != nil {
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t.Fatalf("Failed to parse timestamp from %v: %v", l, err)
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}
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if l[29] != 'Z' { // ensure we have padded 0's
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t.Fatalf("Timestamp isn't padded properly: %s", l)
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}
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}
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}
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deleteContainer(cleanedContainerID)
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logDone("logs - logs with timestamps")
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}
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func TestLogsSeparateStderr(t *testing.T) {
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msg := "stderr_log"
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runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "sh", "-c", fmt.Sprintf("echo %s 1>&2", msg))
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out, _, _, err := runCommandWithStdoutStderr(runCmd)
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if err != nil {
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t.Fatalf("run failed with errors: %s, %v", out, err)
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}
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cleanedContainerID := strings.TrimSpace(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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stdout, stderr, _, err := runCommandWithStdoutStderr(logsCmd)
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if err != nil {
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t.Fatalf("failed to log container: %s, %v", out, err)
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}
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if stdout != "" {
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t.Fatalf("Expected empty stdout stream, got %v", stdout)
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}
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stderr = strings.TrimSpace(stderr)
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if stderr != msg {
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t.Fatalf("Expected %v in stderr stream, got %v", msg, stderr)
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}
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deleteContainer(cleanedContainerID)
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logDone("logs - separate stderr (without pseudo-tty)")
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}
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func TestLogsStderrInStdout(t *testing.T) {
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msg := "stderr_log"
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runCmd := exec.Command(dockerBinary, "run", "-d", "-t", "busybox", "sh", "-c", fmt.Sprintf("echo %s 1>&2", msg))
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out, _, _, err := runCommandWithStdoutStderr(runCmd)
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if err != nil {
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t.Fatalf("run failed with errors: %s, %v", out, err)
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}
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cleanedContainerID := strings.TrimSpace(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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stdout, stderr, _, err := runCommandWithStdoutStderr(logsCmd)
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if err != nil {
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t.Fatalf("failed to log container: %s, %v", out, err)
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}
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if stderr != "" {
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t.Fatalf("Expected empty stderr stream, got %v", stdout)
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}
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stdout = strings.TrimSpace(stdout)
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if stdout != msg {
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t.Fatalf("Expected %v in stdout stream, got %v", msg, stdout)
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}
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deleteContainer(cleanedContainerID)
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logDone("logs - stderr in stdout (with pseudo-tty)")
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}
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func TestLogsTail(t *testing.T) {
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testLen := 100
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runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "sh", "-c", fmt.Sprintf("for i in $(seq 1 %d); do echo =; done;", testLen))
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out, _, _, err := runCommandWithStdoutStderr(runCmd)
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if err != nil {
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t.Fatalf("run failed with errors: %s, %v", out, err)
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}
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cleanedContainerID := strings.TrimSpace(out)
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exec.Command(dockerBinary, "wait", cleanedContainerID).Run()
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logsCmd := exec.Command(dockerBinary, "logs", "--tail", "5", cleanedContainerID)
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out, _, _, err = runCommandWithStdoutStderr(logsCmd)
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if err != nil {
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t.Fatalf("failed to log container: %s, %v", out, err)
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}
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lines := strings.Split(out, "\n")
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if len(lines) != 6 {
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t.Fatalf("Expected log %d lines, received %d\n", 6, len(lines))
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}
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logsCmd = exec.Command(dockerBinary, "logs", "--tail", "all", cleanedContainerID)
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out, _, _, err = runCommandWithStdoutStderr(logsCmd)
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if err != nil {
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t.Fatalf("failed to log container: %s, %v", out, err)
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}
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lines = strings.Split(out, "\n")
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if len(lines) != testLen+1 {
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t.Fatalf("Expected log %d lines, received %d\n", testLen+1, len(lines))
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}
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logsCmd = exec.Command(dockerBinary, "logs", "--tail", "random", cleanedContainerID)
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out, _, _, err = runCommandWithStdoutStderr(logsCmd)
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if err != nil {
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t.Fatalf("failed to log container: %s, %v", out, err)
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}
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lines = strings.Split(out, "\n")
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if len(lines) != testLen+1 {
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t.Fatalf("Expected log %d lines, received %d\n", testLen+1, len(lines))
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}
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deleteContainer(cleanedContainerID)
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logDone("logs - logs tail")
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}
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func TestLogsFollowStopped(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "echo", "hello")
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out, _, _, err := runCommandWithStdoutStderr(runCmd)
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if err != nil {
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t.Fatalf("run failed with errors: %s, %v", out, err)
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}
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cleanedContainerID := strings.TrimSpace(out)
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exec.Command(dockerBinary, "wait", cleanedContainerID).Run()
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logsCmd := exec.Command(dockerBinary, "logs", "-f", cleanedContainerID)
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if err := logsCmd.Start(); err != nil {
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t.Fatal(err)
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}
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c := make(chan struct{})
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go func() {
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if err := logsCmd.Wait(); err != nil {
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t.Fatal(err)
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}
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close(c)
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}()
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select {
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case <-c:
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case <-time.After(1 * time.Second):
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t.Fatal("Following logs is hanged")
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}
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deleteContainer(cleanedContainerID)
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logDone("logs - logs follow stopped container")
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}
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// Regression test for #8832
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func TestLogsFollowSlowStdoutConsumer(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "/bin/sh", "-c", `usleep 200000;yes X | head -c 200000`)
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out, _, _, err := runCommandWithStdoutStderr(runCmd)
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if err != nil {
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t.Fatalf("run failed with errors: %s, %v", out, err)
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}
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cleanedContainerID := strings.TrimSpace(out)
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defer deleteContainer(cleanedContainerID)
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stopSlowRead := make(chan bool)
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go func() {
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exec.Command(dockerBinary, "wait", cleanedContainerID).Run()
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stopSlowRead <- true
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}()
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logCmd := exec.Command(dockerBinary, "logs", "-f", cleanedContainerID)
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stdout, err := logCmd.StdoutPipe()
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if err != nil {
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t.Fatal(err)
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}
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if err := logCmd.Start(); err != nil {
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t.Fatal(err)
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}
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// First read slowly
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bytes1, err := consumeWithSpeed(stdout, 10, 50*time.Millisecond, stopSlowRead)
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if err != nil {
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t.Fatal(err)
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}
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// After the container has finished we can continue reading fast
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bytes2, err := consumeWithSpeed(stdout, 32*1024, 0, nil)
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if err != nil {
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t.Fatal(err)
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}
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actual := bytes1 + bytes2
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expected := 200000
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if actual != expected {
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t.Fatalf("Invalid bytes read: %d, expected %d", actual, expected)
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}
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logDone("logs - follow slow consumer")
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}
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