"""Test CLI functionality."""

import os
import subprocess
import sys
from pathlib import Path


def test_build_command():
    """Test build command."""
    result = subprocess.run(
        [sys.executable, "-m", "tampy", "build", "tests/test.tampy"],
        capture_output=True,
        text=True,
        env={**dict(os.environ), "PYTHONPATH": "src"}
    )
    assert result.returncode == 0
    assert "Generated:" in result.stdout
    assert Path("tests/test.py").exists()


def test_run_command():
    """Test run command."""
    result = subprocess.run(
        [sys.executable, "-m", "tampy", "run", "tests/test.tampy"],
        capture_output=True,
        text=True,
        env={**dict(os.environ), "PYTHONPATH": "src"}
    )
    assert result.returncode == 0
    assert "y is greater" in result.stdout


def test_file_extension_replacement():
    """Test that .tampy is replaced with .py."""
    result = subprocess.run(
        [sys.executable, "-m", "tampy", "build", "tests/test.tampy"],
        capture_output=True,
        text=True,
        env={**dict(os.environ), "PYTHONPATH": "src"}
    )
    assert result.returncode == 0
    assert Path("tests/test.py").exists()