from subprocess import Popen
from unittest.mock import MagicMock

from garcon_contrib.gzip import garcon_gzip

import pytest


def test_pipe_gzip_from_stdin_to_stdout(monkeypatch):
    with pytest.raises(Exception):
        garcon_gzip.pipe_gzip_from_stdin_to_stdout(pipe=None)
    stdout = MagicMock()
    mock_pipe = MagicMock(stdout=stdout)

    resp = garcon_gzip.pipe_gzip_from_stdin_to_stdout(MagicMock(), mock_pipe)
    assert isinstance(resp, dict)
    assert isinstance(resp.get('pipe'), Popen)