зеркало из https://github.com/microsoft/docker.git
114 строки
2.5 KiB
Go
114 строки
2.5 KiB
Go
package main
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import (
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"bytes"
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"fmt"
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"io"
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"os/exec"
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"strings"
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"syscall"
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"testing"
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)
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func getExitCode(err error) (int, error) {
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exitCode := 0
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if exiterr, ok := err.(*exec.ExitError); ok {
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if procExit := exiterr.Sys().(syscall.WaitStatus); ok {
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return procExit.ExitStatus(), nil
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}
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}
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return exitCode, fmt.Errorf("failed to get exit code")
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}
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func runCommandWithOutput(cmd *exec.Cmd) (output string, exitCode int, err error) {
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exitCode = 0
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out, err := cmd.CombinedOutput()
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if err != nil {
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var exiterr error
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if exitCode, exiterr = getExitCode(err); exiterr != nil {
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// TODO: Fix this so we check the error's text.
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// we've failed to retrieve exit code, so we set it to 127
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exitCode = 127
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}
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}
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output = string(out)
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return
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}
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func runCommandWithStdoutStderr(cmd *exec.Cmd) (stdout string, stderr string, exitCode int, err error) {
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exitCode = 0
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var stderrBuffer bytes.Buffer
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stderrPipe, err := cmd.StderrPipe()
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if err != nil {
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return "", "", -1, err
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}
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go io.Copy(&stderrBuffer, stderrPipe)
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out, err := cmd.Output()
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if err != nil {
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var exiterr error
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if exitCode, exiterr = getExitCode(err); exiterr != nil {
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// TODO: Fix this so we check the error's text.
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// we've failed to retrieve exit code, so we set it to 127
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exitCode = 127
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}
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}
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stdout = string(out)
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stderr = string(stderrBuffer.Bytes())
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return
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}
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func runCommand(cmd *exec.Cmd) (exitCode int, err error) {
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exitCode = 0
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err = cmd.Run()
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if err != nil {
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var exiterr error
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if exitCode, exiterr = getExitCode(err); exiterr != nil {
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// TODO: Fix this so we check the error's text.
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// we've failed to retrieve exit code, so we set it to 127
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exitCode = 127
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}
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}
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return
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}
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func startCommand(cmd *exec.Cmd) (exitCode int, err error) {
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exitCode = 0
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err = cmd.Start()
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if err != nil {
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var exiterr error
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if exitCode, exiterr = getExitCode(err); exiterr != nil {
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// TODO: Fix this so we check the error's text.
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// we've failed to retrieve exit code, so we set it to 127
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exitCode = 127
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}
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}
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return
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}
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func logDone(message string) {
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fmt.Printf("[PASSED]: %s\n", message)
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}
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func stripTrailingCharacters(target string) string {
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target = strings.Trim(target, "\n")
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target = strings.Trim(target, " ")
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return target
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}
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func errorOut(err error, t *testing.T, message string) {
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if err != nil {
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t.Fatal(message)
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}
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}
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func errorOutOnNonNilError(err error, t *testing.T, message string) {
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if err == nil {
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t.Fatalf(message)
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}
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}
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func nLines(s string) int {
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return strings.Count(s, "\n")
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}
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