test() : add unit tests for command execution functions in executables_test.go

util/executables_test.go

@@ -0,0 +1,72 @@
+package util
+
+import (
+	"bytes"
+	"os"
+	"path/filepath"
+	"runtime"
+	"testing"
+)
+
+
+func createFakeCmd(t *testing.T, script string) string {
+	dir := t.TempDir()
+	name := "fakecmd"
+
+	if runtime.GOOS == "windows" {
+		name += ".bat"
+		script = "@echo off\r\n" + script
+	} else {
+		script = "#!/bin/sh\n" + script
+	}
+
+	path := filepath.Join(dir, name)
+	err := os.WriteFile(path, []byte(script), 0755)
+	if err != nil {
+		t.Fatal(err)
+	}
+	return path
+}
+
+
+func TestRunCommandCustomIOSuccess(t *testing.T) {
+	fake := createFakeCmd(t, "echo hello")
+	ExecutablePaths = map[string]string{"test": fake}
+
+	var out bytes.Buffer
+	var errOut bytes.Buffer
+
+	err := RunCommandCustomIO("test", &out, &errOut, true)
+	if err != nil {
+		t.Fatalf("expected no error, got %v", err)
+	}
+}
+
+func TestRunCommandFailure(t *testing.T) {
+	fake := createFakeCmd(t, "exit 1")
+	ExecutablePaths = map[string]string{"test": fake}
+
+	err := RunCommand("test")
+	if err == nil {
+		t.Fatalf("expected error, got nil")
+	}
+}
+
+func TestRunCommandWithoutPrint(t *testing.T) {
+	fake := createFakeCmd(t, "echo silent")
+	ExecutablePaths = map[string]string{"test": fake}
+
+	err := RunCommandWithoutPrint("test")
+	if err != nil {
+		t.Fatalf("expected no error, got %v", err)
+	}
+}
+
+func TestMissingExecutablePath(t *testing.T) {
+	ExecutablePaths = map[string]string{}
+
+	err := RunCommand("missing")
+	if err == nil {
+		t.Fatalf("expected error for missing executable path")
+	}
+}