mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
570 lines
17 KiB
Go
570 lines
17 KiB
Go
package integration
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import (
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"io"
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"io/ioutil"
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"os"
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"os/exec"
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"path/filepath"
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"runtime"
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"strconv"
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"strings"
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"testing"
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"time"
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)
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func TestIsKilledFalseWithNonKilledProcess(t *testing.T) {
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// TODO Windows: Port this test
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if runtime.GOOS == "windows" {
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t.Skip("Needs porting to Windows")
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}
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lsCmd := exec.Command("ls")
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lsCmd.Start()
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// Wait for it to finish
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err := lsCmd.Wait()
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if IsKilled(err) {
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t.Fatalf("Expected the ls command to not be killed, was.")
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}
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}
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func TestIsKilledTrueWithKilledProcess(t *testing.T) {
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// TODO Windows: Using golang 1.5.3, this seems to hit
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// a bug in go where Process.Kill() causes a panic.
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// Needs further investigation @jhowardmsft
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if runtime.GOOS == "windows" {
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t.SkipNow()
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}
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longCmd := exec.Command("top")
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// Start a command
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longCmd.Start()
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// Capture the error when *dying*
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done := make(chan error, 1)
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go func() {
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done <- longCmd.Wait()
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}()
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// Then kill it
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longCmd.Process.Kill()
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// Get the error
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err := <-done
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if !IsKilled(err) {
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t.Fatalf("Expected the command to be killed, was not.")
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}
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}
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func TestRunCommandWithOutput(t *testing.T) {
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var (
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echoHelloWorldCmd *exec.Cmd
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expected string
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)
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if runtime.GOOS != "windows" {
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echoHelloWorldCmd = exec.Command("echo", "hello", "world")
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expected = "hello world\n"
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} else {
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echoHelloWorldCmd = exec.Command("cmd", "/s", "/c", "echo", "hello", "world")
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expected = "hello world\r\n"
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}
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out, exitCode, err := RunCommandWithOutput(echoHelloWorldCmd)
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if out != expected || exitCode != 0 || err != nil {
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t.Fatalf("Expected command to output %s, got %s, %v with exitCode %v", expected, out, err, exitCode)
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}
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}
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func TestRunCommandWithOutputError(t *testing.T) {
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var (
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p string
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wrongCmd *exec.Cmd
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expected string
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expectedExitCode int
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)
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if runtime.GOOS != "windows" {
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p = "$PATH"
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wrongCmd = exec.Command("ls", "-z")
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expected = `ls: invalid option -- 'z'
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Try 'ls --help' for more information.
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`
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expectedExitCode = 2
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} else {
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p = "%PATH%"
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wrongCmd = exec.Command("cmd", "/s", "/c", "dir", "/Z")
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expected = "Invalid switch - " + strconv.Quote("Z") + ".\r\n"
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expectedExitCode = 1
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}
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cmd := exec.Command("doesnotexists")
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out, exitCode, err := RunCommandWithOutput(cmd)
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expectedError := `exec: "doesnotexists": executable file not found in ` + p
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if out != "" || exitCode != 127 || err == nil || err.Error() != expectedError {
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t.Fatalf("Expected command to output %s, got %s, %v with exitCode %v", expectedError, out, err, exitCode)
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}
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out, exitCode, err = RunCommandWithOutput(wrongCmd)
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if out != expected || exitCode != expectedExitCode || err == nil || !strings.Contains(err.Error(), "exit status "+strconv.Itoa(expectedExitCode)) {
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t.Fatalf("Expected command to output %s, got out:xxx%sxxx, err:%v with exitCode %v", expected, out, err, exitCode)
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}
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}
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func TestRunCommandWithStdoutStderr(t *testing.T) {
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echoHelloWorldCmd := exec.Command("echo", "hello", "world")
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stdout, stderr, exitCode, err := RunCommandWithStdoutStderr(echoHelloWorldCmd)
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expected := "hello world\n"
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if stdout != expected || stderr != "" || exitCode != 0 || err != nil {
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t.Fatalf("Expected command to output %s, got stdout:%s, stderr:%s, err:%v with exitCode %v", expected, stdout, stderr, err, exitCode)
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}
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}
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func TestRunCommandWithStdoutStderrError(t *testing.T) {
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p := "$PATH"
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if runtime.GOOS == "windows" {
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p = "%PATH%"
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}
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cmd := exec.Command("doesnotexists")
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stdout, stderr, exitCode, err := RunCommandWithStdoutStderr(cmd)
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expectedError := `exec: "doesnotexists": executable file not found in ` + p
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if stdout != "" || stderr != "" || exitCode != 127 || err == nil || err.Error() != expectedError {
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t.Fatalf("Expected command to output out:%s, stderr:%s, got stdout:%s, stderr:%s, err:%v with exitCode %v", "", "", stdout, stderr, err, exitCode)
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}
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wrongLsCmd := exec.Command("ls", "-z")
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expected := `ls: invalid option -- 'z'
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Try 'ls --help' for more information.
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`
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stdout, stderr, exitCode, err = RunCommandWithStdoutStderr(wrongLsCmd)
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if stdout != "" && stderr != expected || exitCode != 2 || err == nil || err.Error() != "exit status 2" {
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t.Fatalf("Expected command to output out:%s, stderr:%s, got stdout:%s, stderr:%s, err:%v with exitCode %v", "", expectedError, stdout, stderr, err, exitCode)
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}
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}
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func TestRunCommandWithOutputForDurationFinished(t *testing.T) {
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// TODO Windows: Port this test
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if runtime.GOOS == "windows" {
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t.Skip("Needs porting to Windows")
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}
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cmd := exec.Command("ls")
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out, exitCode, timedOut, err := RunCommandWithOutputForDuration(cmd, 50*time.Millisecond)
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if out == "" || exitCode != 0 || timedOut || err != nil {
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t.Fatalf("Expected the command to run for less 50 milliseconds and thus not time out, but did not : out:[%s], exitCode:[%d], timedOut:[%v], err:[%v]", out, exitCode, timedOut, err)
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}
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}
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func TestRunCommandWithOutputForDurationKilled(t *testing.T) {
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// TODO Windows: Port this test
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if runtime.GOOS == "windows" {
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t.Skip("Needs porting to Windows")
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}
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cmd := exec.Command("sh", "-c", "while true ; do echo 1 ; sleep .1 ; done")
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out, exitCode, timedOut, err := RunCommandWithOutputForDuration(cmd, 500*time.Millisecond)
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ones := strings.Split(out, "\n")
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if len(ones) != 6 || exitCode != 0 || !timedOut || err != nil {
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t.Fatalf("Expected the command to run for 500 milliseconds (and thus print six lines (five with 1, one empty) and time out, but did not : out:[%s], exitCode:%d, timedOut:%v, err:%v", out, exitCode, timedOut, err)
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}
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}
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func TestRunCommandWithOutputForDurationErrors(t *testing.T) {
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cmd := exec.Command("ls")
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cmd.Stdout = os.Stdout
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if _, _, _, err := RunCommandWithOutputForDuration(cmd, 1*time.Millisecond); err == nil || err.Error() != "cmd.Stdout already set" {
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t.Fatalf("Expected an error as cmd.Stdout was already set, did not (err:%s).", err)
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}
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cmd = exec.Command("ls")
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cmd.Stderr = os.Stderr
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if _, _, _, err := RunCommandWithOutputForDuration(cmd, 1*time.Millisecond); err == nil || err.Error() != "cmd.Stderr already set" {
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t.Fatalf("Expected an error as cmd.Stderr was already set, did not (err:%s).", err)
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}
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}
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func TestRunCommandWithOutputAndTimeoutFinished(t *testing.T) {
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// TODO Windows: Port this test
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if runtime.GOOS == "windows" {
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t.Skip("Needs porting to Windows")
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}
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cmd := exec.Command("ls")
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out, exitCode, err := RunCommandWithOutputAndTimeout(cmd, 50*time.Millisecond)
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if out == "" || exitCode != 0 || err != nil {
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t.Fatalf("Expected the command to run for less 50 milliseconds and thus not time out, but did not : out:[%s], exitCode:[%d], err:[%v]", out, exitCode, err)
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}
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}
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func TestRunCommandWithOutputAndTimeoutKilled(t *testing.T) {
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// TODO Windows: Port this test
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if runtime.GOOS == "windows" {
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t.Skip("Needs porting to Windows")
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}
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cmd := exec.Command("sh", "-c", "while true ; do echo 1 ; sleep .1 ; done")
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out, exitCode, err := RunCommandWithOutputAndTimeout(cmd, 500*time.Millisecond)
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ones := strings.Split(out, "\n")
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if len(ones) != 6 || exitCode != 0 || err == nil || err.Error() != "command timed out" {
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t.Fatalf("Expected the command to run for 500 milliseconds (and thus print six lines (five with 1, one empty) and time out with an error 'command timed out', but did not : out:[%s], exitCode:%d, err:%v", out, exitCode, err)
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}
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}
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func TestRunCommandWithOutputAndTimeoutErrors(t *testing.T) {
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cmd := exec.Command("ls")
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cmd.Stdout = os.Stdout
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if _, _, err := RunCommandWithOutputAndTimeout(cmd, 1*time.Millisecond); err == nil || err.Error() != "cmd.Stdout already set" {
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t.Fatalf("Expected an error as cmd.Stdout was already set, did not (err:%s).", err)
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}
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cmd = exec.Command("ls")
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cmd.Stderr = os.Stderr
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if _, _, err := RunCommandWithOutputAndTimeout(cmd, 1*time.Millisecond); err == nil || err.Error() != "cmd.Stderr already set" {
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t.Fatalf("Expected an error as cmd.Stderr was already set, did not (err:%s).", err)
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}
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}
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func TestRunCommand(t *testing.T) {
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// TODO Windows: Port this test
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if runtime.GOOS == "windows" {
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t.Skip("Needs porting to Windows")
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}
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p := "$PATH"
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if runtime.GOOS == "windows" {
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p = "%PATH%"
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}
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lsCmd := exec.Command("ls")
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exitCode, err := RunCommand(lsCmd)
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if exitCode != 0 || err != nil {
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t.Fatalf("Expected runCommand to run the command successfully, got: exitCode:%d, err:%v", exitCode, err)
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}
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var expectedError string
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exitCode, err = RunCommand(exec.Command("doesnotexists"))
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expectedError = `exec: "doesnotexists": executable file not found in ` + p
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if exitCode != 127 || err == nil || err.Error() != expectedError {
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t.Fatalf("Expected runCommand to run the command successfully, got: exitCode:%d, err:%v", exitCode, err)
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}
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wrongLsCmd := exec.Command("ls", "-z")
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expected := 2
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expectedError = `exit status 2`
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exitCode, err = RunCommand(wrongLsCmd)
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if exitCode != expected || err == nil || err.Error() != expectedError {
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t.Fatalf("Expected runCommand to run the command successfully, got: exitCode:%d, err:%v", exitCode, err)
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}
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}
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func TestRunCommandPipelineWithOutputWithNotEnoughCmds(t *testing.T) {
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_, _, err := RunCommandPipelineWithOutput(exec.Command("ls"))
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expectedError := "pipeline does not have multiple cmds"
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if err == nil || err.Error() != expectedError {
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t.Fatalf("Expected an error with %s, got err:%s", expectedError, err)
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}
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}
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func TestRunCommandPipelineWithOutputErrors(t *testing.T) {
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p := "$PATH"
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if runtime.GOOS == "windows" {
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p = "%PATH%"
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}
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cmd1 := exec.Command("ls")
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cmd1.Stdout = os.Stdout
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cmd2 := exec.Command("anything really")
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_, _, err := RunCommandPipelineWithOutput(cmd1, cmd2)
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if err == nil || err.Error() != "cannot set stdout pipe for anything really: exec: Stdout already set" {
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t.Fatalf("Expected an error, got %v", err)
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}
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cmdWithError := exec.Command("doesnotexists")
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cmdCat := exec.Command("cat")
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_, _, err = RunCommandPipelineWithOutput(cmdWithError, cmdCat)
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if err == nil || err.Error() != `starting doesnotexists failed with error: exec: "doesnotexists": executable file not found in `+p {
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t.Fatalf("Expected an error, got %v", err)
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}
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}
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func TestRunCommandPipelineWithOutput(t *testing.T) {
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cmds := []*exec.Cmd{
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// Print 2 characters
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exec.Command("echo", "-n", "11"),
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// Count the number or char from stdin (previous command)
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exec.Command("wc", "-m"),
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}
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out, exitCode, err := RunCommandPipelineWithOutput(cmds...)
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expectedOutput := "2\n"
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if out != expectedOutput || exitCode != 0 || err != nil {
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t.Fatalf("Expected %s for commands %v, got out:%s, exitCode:%d, err:%v", expectedOutput, cmds, out, exitCode, err)
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}
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}
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// Simple simple test as it is just a passthrough for json.Unmarshal
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func TestUnmarshalJSON(t *testing.T) {
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emptyResult := struct{}{}
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if err := UnmarshalJSON([]byte(""), &emptyResult); err == nil {
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t.Fatalf("Expected an error, got nothing")
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}
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result := struct{ Name string }{}
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if err := UnmarshalJSON([]byte(`{"name": "name"}`), &result); err != nil {
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t.Fatal(err)
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}
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if result.Name != "name" {
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t.Fatalf("Expected result.name to be 'name', was '%s'", result.Name)
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}
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}
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func TestConvertSliceOfStringsToMap(t *testing.T) {
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input := []string{"a", "b"}
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actual := ConvertSliceOfStringsToMap(input)
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for _, key := range input {
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if _, ok := actual[key]; !ok {
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t.Fatalf("Expected output to contains key %s, did not: %v", key, actual)
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}
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}
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}
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func TestCompareDirectoryEntries(t *testing.T) {
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tmpFolder, err := ioutil.TempDir("", "integration-cli-utils-compare-directories")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(tmpFolder)
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file1 := filepath.Join(tmpFolder, "file1")
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file2 := filepath.Join(tmpFolder, "file2")
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os.Create(file1)
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os.Create(file2)
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fi1, err := os.Stat(file1)
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if err != nil {
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t.Fatal(err)
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}
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fi1bis, err := os.Stat(file1)
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if err != nil {
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t.Fatal(err)
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}
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fi2, err := os.Stat(file2)
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if err != nil {
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t.Fatal(err)
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}
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cases := []struct {
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e1 []os.FileInfo
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e2 []os.FileInfo
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shouldError bool
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}{
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// Empty directories
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{
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[]os.FileInfo{},
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[]os.FileInfo{},
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false,
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},
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// Same FileInfos
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{
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[]os.FileInfo{fi1},
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[]os.FileInfo{fi1},
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false,
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},
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// Different FileInfos but same names
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{
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[]os.FileInfo{fi1},
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[]os.FileInfo{fi1bis},
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false,
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},
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// Different FileInfos, different names
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{
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[]os.FileInfo{fi1},
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[]os.FileInfo{fi2},
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true,
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},
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}
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for _, elt := range cases {
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err := CompareDirectoryEntries(elt.e1, elt.e2)
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if elt.shouldError && err == nil {
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t.Fatalf("Should have return an error, did not with %v and %v", elt.e1, elt.e2)
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}
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if !elt.shouldError && err != nil {
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t.Fatalf("Should have not returned an error, but did : %v with %v and %v", err, elt.e1, elt.e2)
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}
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}
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}
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// FIXME make an "unhappy path" test for ListTar without "panicking" :-)
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func TestListTar(t *testing.T) {
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// TODO Windows: Figure out why this fails. Should be portable.
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if runtime.GOOS == "windows" {
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t.Skip("Failing on Windows - needs further investigation")
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}
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tmpFolder, err := ioutil.TempDir("", "integration-cli-utils-list-tar")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(tmpFolder)
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// Let's create a Tar file
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srcFile := filepath.Join(tmpFolder, "src")
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tarFile := filepath.Join(tmpFolder, "src.tar")
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os.Create(srcFile)
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cmd := exec.Command("sh", "-c", "tar cf "+tarFile+" "+srcFile)
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_, err = cmd.CombinedOutput()
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if err != nil {
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t.Fatal(err)
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}
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reader, err := os.Open(tarFile)
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if err != nil {
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t.Fatal(err)
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}
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defer reader.Close()
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entries, err := ListTar(reader)
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if err != nil {
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t.Fatal(err)
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}
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if len(entries) != 1 && entries[0] != "src" {
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t.Fatalf("Expected a tar file with 1 entry (%s), got %v", srcFile, entries)
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}
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}
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func TestRandomTmpDirPath(t *testing.T) {
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path := RandomTmpDirPath("something", runtime.GOOS)
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prefix := "/tmp/something"
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if runtime.GOOS == "windows" {
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prefix = os.Getenv("TEMP") + `\something`
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}
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expectedSize := len(prefix) + 11
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if !strings.HasPrefix(path, prefix) {
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t.Fatalf("Expected generated path to have '%s' as prefix, got %s'", prefix, path)
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}
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if len(path) != expectedSize {
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t.Fatalf("Expected generated path to be %d, got %d", expectedSize, len(path))
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}
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}
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func TestConsumeWithSpeed(t *testing.T) {
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reader := strings.NewReader("1234567890")
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chunksize := 2
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bytes1, err := ConsumeWithSpeed(reader, chunksize, 1*time.Second, nil)
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if err != nil {
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t.Fatal(err)
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}
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if bytes1 != 10 {
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t.Fatalf("Expected to have read 10 bytes, got %d", bytes1)
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}
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}
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func TestConsumeWithSpeedWithStop(t *testing.T) {
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reader := strings.NewReader("1234567890")
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chunksize := 2
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stopIt := make(chan bool)
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go func() {
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time.Sleep(1 * time.Millisecond)
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stopIt <- true
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}()
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bytes1, err := ConsumeWithSpeed(reader, chunksize, 20*time.Millisecond, stopIt)
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if err != nil {
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t.Fatal(err)
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}
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if bytes1 != 2 {
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t.Fatalf("Expected to have read 2 bytes, got %d", bytes1)
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}
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}
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func TestParseCgroupPathsEmpty(t *testing.T) {
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cgroupMap := ParseCgroupPaths("")
|
|
if len(cgroupMap) != 0 {
|
|
t.Fatalf("Expected an empty map, got %v", cgroupMap)
|
|
}
|
|
cgroupMap = ParseCgroupPaths("\n")
|
|
if len(cgroupMap) != 0 {
|
|
t.Fatalf("Expected an empty map, got %v", cgroupMap)
|
|
}
|
|
cgroupMap = ParseCgroupPaths("something:else\nagain:here")
|
|
if len(cgroupMap) != 0 {
|
|
t.Fatalf("Expected an empty map, got %v", cgroupMap)
|
|
}
|
|
}
|
|
|
|
func TestParseCgroupPaths(t *testing.T) {
|
|
cgroupMap := ParseCgroupPaths("2:memory:/a\n1:cpuset:/b")
|
|
if len(cgroupMap) != 2 {
|
|
t.Fatalf("Expected a map with 2 entries, got %v", cgroupMap)
|
|
}
|
|
if value, ok := cgroupMap["memory"]; !ok || value != "/a" {
|
|
t.Fatalf("Expected cgroupMap to contains an entry for 'memory' with value '/a', got %v", cgroupMap)
|
|
}
|
|
if value, ok := cgroupMap["cpuset"]; !ok || value != "/b" {
|
|
t.Fatalf("Expected cgroupMap to contains an entry for 'cpuset' with value '/b', got %v", cgroupMap)
|
|
}
|
|
}
|
|
|
|
func TestChannelBufferTimeout(t *testing.T) {
|
|
expected := "11"
|
|
|
|
buf := &ChannelBuffer{make(chan []byte, 1)}
|
|
defer buf.Close()
|
|
|
|
go func() {
|
|
time.Sleep(100 * time.Millisecond)
|
|
io.Copy(buf, strings.NewReader(expected))
|
|
}()
|
|
|
|
// Wait long enough
|
|
b := make([]byte, 2)
|
|
_, err := buf.ReadTimeout(b, 50*time.Millisecond)
|
|
if err == nil && err.Error() != "timeout reading from channel" {
|
|
t.Fatalf("Expected an error, got %s", err)
|
|
}
|
|
|
|
// Wait for the end :)
|
|
time.Sleep(150 * time.Millisecond)
|
|
}
|
|
|
|
func TestChannelBuffer(t *testing.T) {
|
|
expected := "11"
|
|
|
|
buf := &ChannelBuffer{make(chan []byte, 1)}
|
|
defer buf.Close()
|
|
|
|
go func() {
|
|
time.Sleep(100 * time.Millisecond)
|
|
io.Copy(buf, strings.NewReader(expected))
|
|
}()
|
|
|
|
// Wait long enough
|
|
b := make([]byte, 2)
|
|
_, err := buf.ReadTimeout(b, 200*time.Millisecond)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if string(b) != expected {
|
|
t.Fatalf("Expected '%s', got '%s'", expected, string(b))
|
|
}
|
|
}
|
|
|
|
// FIXME doesn't work
|
|
// func TestRunAtDifferentDate(t *testing.T) {
|
|
// var date string
|
|
|
|
// // Layout for date. MMDDhhmmYYYY
|
|
// const timeLayout = "20060102"
|
|
// expectedDate := "20100201"
|
|
// theDate, err := time.Parse(timeLayout, expectedDate)
|
|
// if err != nil {
|
|
// t.Fatal(err)
|
|
// }
|
|
|
|
// RunAtDifferentDate(theDate, func() {
|
|
// cmd := exec.Command("date", "+%Y%M%d")
|
|
// out, err := cmd.Output()
|
|
// if err != nil {
|
|
// t.Fatal(err)
|
|
// }
|
|
// date = string(out)
|
|
// })
|
|
// }
|