#!/usr/bin/env python
# coding=UTF-8

from os import walk

import mozunit
import pytest
from conftest import fspath


def test_no_dump_files(check_for_crashes):
    """Test that check_for_crashes returns 0 if no dumps are present."""
    assert 0 == check_for_crashes()


@pytest.mark.parametrize("minidump_files", [3], indirect=True)
def test_dump_count(check_for_crashes, minidump_files):
    """Test that check_for_crashes returns the number of crash dumps."""
    assert 3 == check_for_crashes()


def test_dump_directory_unicode(request, check_for_crashes, tmpdir, capsys):
    """Test that check_for_crashes can handle unicode in dump_directory."""
    from conftest import minidump_files

    tmpdir = tmpdir.ensure("🍪", dir=1)
    minidump_files = minidump_files(request, tmpdir)

    assert 1 == check_for_crashes(dump_directory=fspath(tmpdir), quiet=False)

    out, _ = capsys.readouterr()
    assert fspath(minidump_files[0]["dmp"]) in out
    assert "🍪" in out


def test_test_name_unicode(check_for_crashes, minidump_files, capsys):
    """Test that check_for_crashes can handle unicode in dump_directory."""
    assert 1 == check_for_crashes(test_name="🍪", quiet=False)

    out, err = capsys.readouterr()
    assert "| 🍪" in out


@pytest.mark.parametrize("keep", [True, False, None])
def test_minidump_files_are_cleaned_up_or_preserved_in_original_location(
    request, check_for_crashes, tmpdir, keep
):
    from conftest import minidump_files

    tmpdir = tmpdir.ensure("test", dir=1)
    minidump_files = minidump_files(request, tmpdir)

    # Make sure that minidump files are present in the temporary location.
    minidump_files_in_dir = next(walk(tmpdir), (None, None, []))[2]
    assert len(minidump_files_in_dir) == 2

    check_for_crashes(dump_directory=fspath(tmpdir), quiet=False, keep=keep)

    # Make sure that minidump files are preserved if keep=True or
    # removed otherwise.
    minidump_files_in_dir = next(walk(tmpdir), (None, None, []))[2]
    assert len(minidump_files_in_dir) == (2 if keep is True else 0)


if __name__ == "__main__":
    mozunit.main()