clean up

internal/runtime/runtime_test.go

@@ -3,6 +3,7 @@ package runtime
 import (
 	"bytes"
 	"context"
+	"os"
 	"strings"
 	"testing"
 
@@ -26,7 +27,44 @@ func TestExecuteTypeScript(t *testing.T) {
 	rt, err := New(context.Background(), WithStderr(&stderr), WithStdout(&stdout))
 	assert.NoError(t, err, "Expected no error")
 
-	err = rt.RunFile("../../test_data/test.ts")
+	tsCode := `interface Person {
+  name: string;
+  age: number;
+  email: string;
+}
+
+function greet(person: Person): string {
+  return "Hello, " + person.name + "! You are " + person.age + " years old.";
+}
+
+const user: Person = {
+  name: "Alice",
+  age: 30,
+  email: "alice@example.com",
+};
+
+console.log(greet(user));
+console.log("Email: " + user.email);
+
+function calculateSum(a: number, b: number): number {
+  return a + b;
+}
+
+console.log("Sum of 5 and 10 is: " + calculateSum(5, 10));
+`
+
+	tmpFile, err := os.CreateTemp("", "*.ts")
+	assert.NoError(t, err, "Failed to create temp file")
+	t.Cleanup(func() {
+		_ = os.Remove(tmpFile.Name())
+	})
+
+	_, err = tmpFile.WriteString(tsCode)
+	assert.NoError(t, err, "Failed to write to temp file")
+	err = tmpFile.Close()
+	assert.NoError(t, err, "Failed to close temp file")
+
+	err = rt.RunFile(tmpFile.Name())
 
 	assert.NoError(t, err, "Expected no error")
 	assert.Empty(t, stderr.String(), "Expected no error output")