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Signed-off-by: Alex Ellis <alexellis2@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| See Godoc [github.com/alexellis/go-execute](https://godoc.org/github.com/alexellis/go-execute) | ||
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| License: MIT |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| package execute | ||
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| import ( | ||
| "fmt" | ||
| "io/ioutil" | ||
| "os" | ||
| "os/exec" | ||
| "strings" | ||
| ) | ||
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| type ExecTask struct { | ||
| Command string | ||
| Args []string | ||
| Shell bool | ||
| Env []string | ||
| Cwd string | ||
| } | ||
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| type ExecResult struct { | ||
| Stdout string | ||
| Stderr string | ||
| ExitCode int | ||
| } | ||
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| func (et ExecTask) Execute() (ExecResult, error) { | ||
| fmt.Println("exec: ", et.Command) | ||
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| var cmd *exec.Cmd | ||
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| if et.Shell { | ||
| startArgs := strings.Split(et.Command, " ") | ||
| args := []string{"-c"} | ||
| for _, part := range startArgs { | ||
| args = append(args, part) | ||
| } | ||
| args = append(args) | ||
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| cmd = exec.Command("/bin/bash", args...) | ||
| } else { | ||
| if strings.Index(et.Command, " ") > 0 { | ||
| parts := strings.Split(et.Command, " ") | ||
| command := parts[0] | ||
| args := parts[1:] | ||
| cmd = exec.Command(command, args...) | ||
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| } else { | ||
| cmd = exec.Command(et.Command, et.Args...) | ||
| } | ||
| } | ||
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| cmd.Dir = et.Cwd | ||
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| if len(et.Env) > 0 { | ||
| cmd.Env = os.Environ() | ||
| for _, env := range et.Env { | ||
| cmd.Env = append(cmd.Env, env) | ||
| } | ||
| } | ||
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| stdoutPipe, stdoutPipeErr := cmd.StdoutPipe() | ||
| if stdoutPipeErr != nil { | ||
| return ExecResult{}, stdoutPipeErr | ||
| } | ||
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| stderrPipe, stderrPipeErr := cmd.StderrPipe() | ||
| if stderrPipeErr != nil { | ||
| return ExecResult{}, stderrPipeErr | ||
| } | ||
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| startErr := cmd.Start() | ||
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| if startErr != nil { | ||
| return ExecResult{}, startErr | ||
| } | ||
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| stdoutBytes, err := ioutil.ReadAll(stdoutPipe) | ||
| if err != nil { | ||
| return ExecResult{}, err | ||
| } | ||
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| stderrBytes, err := ioutil.ReadAll(stderrPipe) | ||
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| if err != nil { | ||
| return ExecResult{}, err | ||
| } | ||
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| fmt.Println("res: " + string(stdoutBytes)) | ||
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| return ExecResult{ | ||
| Stdout: string(stdoutBytes), | ||
| Stderr: string(stderrBytes), | ||
| }, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| package execute | ||
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| import ( | ||
| "os" | ||
| "strings" | ||
| "testing" | ||
| ) | ||
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| func TestExec_WithShell(t *testing.T) { | ||
| task := ExecTask{Command: "/bin/ls /", Shell: true} | ||
| res, err := task.Execute() | ||
| if err != nil { | ||
| t.Errorf(err.Error()) | ||
| t.Fail() | ||
| } | ||
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| if len(res.Stdout) == 0 { | ||
| t.Errorf("want data, but got empty") | ||
| t.Fail() | ||
| } | ||
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| if len(res.Stderr) != 0 { | ||
| t.Errorf("want empty, but got: %s", res.Stderr) | ||
| t.Fail() | ||
| } | ||
| } | ||
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| func TestExec_WithEnvVars(t *testing.T) { | ||
| task := ExecTask{Command: "env", Shell: false, Env: []string{"GOTEST=1", "GOTEST2=2"}} | ||
| res, err := task.Execute() | ||
| if err != nil { | ||
| t.Errorf(err.Error()) | ||
| t.Fail() | ||
| } | ||
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| if !strings.Contains(res.Stdout, "GOTEST") { | ||
| t.Errorf("want env to show GOTEST=1 since we passed that variable") | ||
| t.Fail() | ||
| } | ||
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| if !strings.Contains(res.Stdout, "GOTEST2") { | ||
| t.Errorf("want env to show GOTEST2=2 since we passed that variable") | ||
| t.Fail() | ||
| } | ||
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| } | ||
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| func TestExec_WithEnvVarsInheritedFromParent(t *testing.T) { | ||
| os.Setenv("TEST", "value") | ||
| task := ExecTask{Command: "env", Shell: false, Env: []string{"GOTEST=1"}} | ||
| res, err := task.Execute() | ||
| if err != nil { | ||
| t.Errorf(err.Error()) | ||
| t.Fail() | ||
| } | ||
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| if !strings.Contains(res.Stdout, "TEST") { | ||
| t.Errorf("want env to show TEST=value since we passed that variable") | ||
| t.Fail() | ||
| } | ||
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| if !strings.Contains(res.Stdout, "GOTEST") { | ||
| t.Errorf("want env to show GOTEST=1 since we passed that variable") | ||
| t.Fail() | ||
| } | ||
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| } | ||
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| func TestExec_WithEnvVarsAndShell(t *testing.T) { | ||
| task := ExecTask{Command: "env", Shell: true, Env: []string{"GOTEST=1"}} | ||
| res, err := task.Execute() | ||
| if err != nil { | ||
| t.Errorf(err.Error()) | ||
| t.Fail() | ||
| } | ||
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| if !strings.Contains(res.Stdout, "GOTEST") { | ||
| t.Errorf("want env to show GOTEST=1 since we passed that variable") | ||
| t.Fail() | ||
| } | ||
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| } |