Simplify tests that use StubExecCommand

command/pr_create_test.go

@@ -18,20 +18,23 @@ func TestPrCreateHelperProcess(*testing.T) {
 		return
 	}
 
-	statusOutputs := map[string]string{
-		"clean": "",
-		"dirty": " M git/git.go",
-	}
-
 	args := test.GetTestHelperProcessArgs()
 	switch args[1] {
 	case "status":
-		fmt.Println(statusOutputs[args[0]])
+		switch args[0] {
+		case "clean":
+		case "dirty":
+			fmt.Println(" M git/git.go")
+		default:
+			fmt.Fprintf(os.Stderr, "unknown scenario: %q", args[0])
+			os.Exit(1)
+		}
 	case "push":
-		fmt.Println()
+	default:
+		fmt.Fprintf(os.Stderr, "unknown command: %q", args[1])
+		os.Exit(1)
 	}
-
-	defer os.Exit(0)
+	os.Exit(0)
 }
 
 func TestReportsUncommittedChanges(t *testing.T) {

git/git.go

@@ -212,9 +212,9 @@ var GitCommand = func(args ...string) *exec.Cmd {
 
 func UncommittedChangeCount() (int, error) {
 	statusCmd := GitCommand("status", "--porcelain")
-	output, err := statusCmd.Output()
+	output, err := utils.PrepareCmd(statusCmd).Output()
 	if err != nil {
-		return 0, fmt.Errorf("failed to run git status: %s", err)
+		return 0, err
 	}
 	lines := strings.Split(string(output), "\n")
 

git/git_test.go

@@ -2,27 +2,30 @@ package git
 
 import (
 	"fmt"
-	"github.com/github/gh-cli/test"
 	"os"
+	"strings"
 	"testing"
+
+	"github.com/github/gh-cli/test"
 )
 
 func TestGitStatusHelperProcess(*testing.T) {
 	if test.SkipTestHelperProcess() {
 		return
 	}
-	outputs := map[string]test.ExecStub{
-		"no changes": test.ExecStub{"", 0},
-		"one change": test.ExecStub{` M poem.txt
-`, 0},
-		"untracked file": test.ExecStub{` M poem.txt
-?? new.txt
-`, 0},
-		"boom": test.ExecStub{"", 1},
+
+	args := test.GetTestHelperProcessArgs()
+	switch args[0] {
+	case "no changes":
+	case "one change":
+		fmt.Println(" M poem.txt")
+	case "untracked file":
+		fmt.Println(" M poem.txt")
+		fmt.Println("?? new.txt")
+	case "boom":
+		os.Exit(1)
 	}
-	output := test.GetExecStub(outputs)
-	defer os.Exit(output.ExitCode)
-	fmt.Println(output.Stdout)
+	os.Exit(0)
 }
 
 func Test_UncommittedChangeCount(t *testing.T) {
@@ -48,7 +51,7 @@ func Test_UncommittedChangeCount(t *testing.T) {
 
 	GitCommand = test.StubExecCommand("TestGitStatusHelperProcess", "boom")
 	_, err := UncommittedChangeCount()
-	if err.Error() != "failed to run git status: exit status 1" {
+	if !strings.HasSuffix(err.Error(), "git.test: exit status 1") {
 		t.Errorf("got unexpected error message: %s", err)
 	}
 }

test/helpers.go

@@ -11,11 +11,6 @@ import (
 	"github.com/spf13/cobra"
 )
 
-type ExecStub struct {
-	Stdout   string
-	ExitCode int
-}
-
 func GetTestHelperProcessArgs() []string {
 	args := os.Args
 	for len(args) > 0 {
@@ -28,11 +23,6 @@ func GetTestHelperProcessArgs() []string {
 	return args
 }
 
-func GetExecStub(outputs map[string]ExecStub) ExecStub {
-	args := GetTestHelperProcessArgs()
-	return outputs[args[0]]
-}
-
 func SkipTestHelperProcess() bool {
 	return os.Getenv("GO_WANT_HELPER_PROCESS") != "1"
 }