mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
139 lines
3.5 KiB
Go
139 lines
3.5 KiB
Go
package main
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import (
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"bufio"
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"os/exec"
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"strings"
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"testing"
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"time"
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)
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func TestExec(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "-d", "--name", "testing", "busybox", "sh", "-c", "echo test > /tmp/file && sleep 100")
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out, _, _, err := runCommandWithStdoutStderr(runCmd)
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errorOut(err, t, out)
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execCmd := exec.Command(dockerBinary, "exec", "testing", "cat", "/tmp/file")
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out, _, err = runCommandWithOutput(execCmd)
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errorOut(err, t, out)
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out = strings.Trim(out, "\r\n")
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if expected := "test"; out != expected {
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t.Errorf("container exec should've printed %q but printed %q", expected, out)
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}
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deleteAllContainers()
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logDone("exec - basic test")
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}
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func TestExecInteractive(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "-d", "--name", "testing", "busybox", "sh", "-c", "echo test > /tmp/file && sleep 100")
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out, _, _, err := runCommandWithStdoutStderr(runCmd)
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errorOut(err, t, out)
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execCmd := exec.Command(dockerBinary, "exec", "-i", "testing", "sh")
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stdin, err := execCmd.StdinPipe()
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if err != nil {
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t.Fatal(err)
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}
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stdout, err := execCmd.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 := execCmd.Start(); err != nil {
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t.Fatal(err)
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}
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if _, err := stdin.Write([]byte("cat /tmp/file\n")); err != nil {
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t.Fatal(err)
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}
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r := bufio.NewReader(stdout)
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line, err := r.ReadString('\n')
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if err != nil {
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t.Fatal(err)
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}
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line = strings.TrimSpace(line)
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if line != "test" {
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t.Fatalf("Output should be 'test', got '%q'", line)
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}
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if err := stdin.Close(); err != nil {
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t.Fatal(err)
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}
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finish := make(chan struct{})
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go func() {
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if err := execCmd.Wait(); err != nil {
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t.Fatal(err)
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}
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close(finish)
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}()
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select {
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case <-finish:
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case <-time.After(1 * time.Second):
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t.Fatal("docker exec failed to exit on stdin close")
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}
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deleteAllContainers()
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logDone("exec - Interactive test")
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}
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func TestExecAfterContainerRestart(t *testing.T) {
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runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "top")
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out, _, err := runCommandWithOutput(runCmd)
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errorOut(err, t, out)
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cleanedContainerID := stripTrailingCharacters(out)
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runCmd = exec.Command(dockerBinary, "restart", cleanedContainerID)
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out, _, err = runCommandWithOutput(runCmd)
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errorOut(err, t, out)
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runCmd = exec.Command(dockerBinary, "exec", cleanedContainerID, "echo", "hello")
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out, _, err = runCommandWithOutput(runCmd)
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errorOut(err, t, out)
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outStr := strings.TrimSpace(out)
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if outStr != "hello" {
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t.Errorf("container should've printed hello, instead printed %q", outStr)
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}
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deleteAllContainers()
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logDone("exec - exec running container after container restart")
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}
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func TestExecAfterDaemonRestart(t *testing.T) {
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d := NewDaemon(t)
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if err := d.StartWithBusybox(); err != nil {
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t.Fatalf("Could not start daemon with busybox: %v", err)
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}
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defer d.Stop()
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if out, err := d.Cmd("run", "-d", "--name", "top", "-p", "80", "busybox:latest", "top"); err != nil {
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t.Fatalf("Could not run top: err=%v\n%s", err, out)
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}
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if err := d.Restart(); err != nil {
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t.Fatalf("Could not restart daemon: %v", err)
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}
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if out, err := d.Cmd("start", "top"); err != nil {
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t.Fatalf("Could not start top after daemon restart: err=%v\n%s", err, out)
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}
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out, err := d.Cmd("exec", "top", "echo", "hello")
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if err != nil {
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t.Fatalf("Could not exec on container top: err=%v\n%s", err, out)
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}
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outStr := strings.TrimSpace(string(out))
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if outStr != "hello" {
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t.Errorf("container should've printed hello, instead printed %q", outStr)
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}
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logDone("exec - exec running container after daemon restart")
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}
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