import re
import subprocess

import pytest

from .conftest import GIT2CPP_TEST_WASM


@pytest.mark.parametrize("arg", ["-v", "--version"])
def test_version(git2cpp_path, arg):
    cmd = [git2cpp_path, arg]
    p = subprocess.run(cmd, capture_output=True)
    assert p.returncode == 0
    assert p.stderr == b""
    assert p.stdout.startswith(b"git2cpp version ")
    assert p.stdout.count(b"\n") == 1


def test_error_on_unknown_option(git2cpp_path):
    cmd = [git2cpp_path, "--unknown"]
    p = subprocess.run(cmd, capture_output=True)
    assert p.returncode == 109
    assert p.stdout == b""
    assert b"The following argument was not expected: --unknown" in p.stderr


@pytest.mark.skipif(not GIT2CPP_TEST_WASM, reason="Only test in WebAssembly")
def test_cockle_config(git2cpp_path):
    # Check cockle-config shows git2cpp is available.
    cmd = ["cockle-config", "module", "git2cpp"]
    p = subprocess.run(cmd, capture_output=True, text=True)
    assert p.returncode == 0
    lines = [line for line in re.split(r"\r?\n", p.stdout) if len(line) > 0]
    assert len(lines) == 5
    assert lines[1] == " module   package  cached "
    assert lines[3] == " git2cpp  git2cpp         "

    p = subprocess.run([git2cpp_path, "-v"], capture_output=True, text=True)
    assert p.returncode == 0

    # Check git2cpp module has been cached.
    p = subprocess.run(cmd, capture_output=True, text=True)
    assert p.returncode == 0
    lines = [line for line in re.split(r"\r?\n", p.stdout) if len(line) > 0]
    assert len(lines) == 5
    assert lines[1] == " module   package  cached "
    assert lines[3] == " git2cpp  git2cpp  yes    "