fix: use PLAYWRIGHT_NODEJS_PATH in getNodeExecutable (#468)

Author: carsonmeyer-wk

run.go

@@ -284,6 +284,11 @@ func transformRunOptions(options []*RunOptions) *RunOptions {
 }
 
 func getNodeExecutable(driverDirectory string) string {
+	envPath := os.Getenv("PLAYWRIGHT_NODEJS_PATH")
+	if envPath != "" {
+		return envPath
+	}
+
 	node := "node"
 	if runtime.GOOS == "windows" {
 		node = "node.exe"

run_test.go

@@ -9,6 +9,7 @@ import (
 	"testing"
 
 	"github.com/mitchellh/go-ps"
+	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
 
@@ -88,6 +89,21 @@ func TestShouldNotHangWhenPlaywrightUnexpectedExit(t *testing.T) {
 	require.Error(t, err)
 }
 
+func TestGetNodeExecutable(t *testing.T) {
+	// When PLAYWRIGHT_NODEJS_PATH is set, use that path.
+	err := os.Setenv("PLAYWRIGHT_NODEJS_PATH", "envDir/node.exe")
+	require.NoError(t, err)
+
+	executable := getNodeExecutable("testDirectory")
+	assert.Equal(t, "envDir/node.exe", executable)
+
+	err = os.Unsetenv("PLAYWRIGHT_NODEJS_PATH")
+	require.NoError(t, err)
+
+	executable = getNodeExecutable("testDirectory")
+	assert.Contains(t, executable, "testDirectory")
+}
+
 // find and kill playwright process
 func killPlaywrightProcess() error {
 	all, err := ps.Processes()