github.com/dahs81/otto@v0.2.1-0.20160126165905-6400716cf085/helper/exec/exec_test.go (about)

     1  package exec
     2  
     3  import (
     4  	"bytes"
     5  	"os/exec"
     6  	"runtime"
     7  	"testing"
     8  
     9  	"github.com/hashicorp/otto/ui"
    10  )
    11  
    12  func TestRun(t *testing.T) {
    13  	if runtime.GOOS == "windows" {
    14  		t.Skip("Windows. Not running this test.")
    15  	}
    16  
    17  	if _, err := exec.LookPath("echo"); err != nil {
    18  		t.Skipf("echo not found, skipping test: %s", err)
    19  	}
    20  
    21  	cmd := exec.Command("echo", "-n", "hello world")
    22  	ui := new(ui.Mock)
    23  
    24  	err := Run(ui, cmd)
    25  	if err != nil {
    26  		t.Fatalf("err: %s", err)
    27  	}
    28  
    29  	var output bytes.Buffer
    30  	for _, v := range ui.RawBuf {
    31  		output.WriteString(v)
    32  	}
    33  
    34  	if output.String() != "hello world" {
    35  		t.Fatalf("bad: %s", output.String())
    36  	}
    37  }