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