"""test using the project from source/package rather than install"""
from __future__ import absolute_import, unicode_literals

import os
import subprocess

import pytest

import virtualenv

try:
    from pathlib import Path
except ImportError:
    from pathlib2 import Path

ROOT_DIR = Path(__file__).parents[1]


def test_use_from_source_tree(tmp_path, clean_python, monkeypatch):
    """test that we can create a virtual environment by feeding to a clean python the wheels content"""
    try:
        monkeypatch.chdir(tmp_path)
        subprocess.check_output(
            [
                str(Path(clean_python[1]) / virtualenv.EXPECTED_EXE),
                str(Path(ROOT_DIR) / "virtualenv.py"),
                "--no-download",
                "env",
            ],
            universal_newlines=True,
            stderr=subprocess.STDOUT,
        )
    except subprocess.CalledProcessError as exception:
        assert not exception.returncode, exception.output


@pytest.mark.skipif(os.environ.get("TOX_PACKAGE") is None, reason="needs tox provisioned sdist")
def test_use_from_source_sdist(sdist, tmp_path, clean_python, monkeypatch):
    """test that we can create a virtual environment by feeding to a clean python the sdist content"""
    virtualenv_file = sdist / "virtualenv.py"
    assert virtualenv_file.exists()

    try:
        monkeypatch.chdir(tmp_path)
        subprocess.check_output(
            [str(Path(clean_python[1]) / virtualenv.EXPECTED_EXE), str(virtualenv_file), "--no-download", "env"],
            universal_newlines=True,
            stderr=subprocess.STDOUT,
        )
    except subprocess.CalledProcessError as exception:
        assert not exception.returncode, exception.output


def test_use_from_wheel(tmp_path, extracted_wheel, clean_python, monkeypatch):
    """test that we can create a virtual environment by feeding to a clean python the wheels content"""
    virtualenv_file = extracted_wheel / "virtualenv.py"
    try:
        monkeypatch.chdir(tmp_path)
        subprocess.check_output(
            [str(Path(clean_python[1]) / virtualenv.EXPECTED_EXE), str(virtualenv_file), "--no-download", "env"],
            universal_newlines=True,
            stderr=subprocess.STDOUT,
        )
    except subprocess.CalledProcessError as exception:
        assert not exception.returncode, exception.output