"""Test generic read_raw function."""

# Authors: Clemens Brunner <clemens.brunner@gmail.com>
#
# License: BSD-3-Clause

from pathlib import Path

import pytest

from mne.io import read_raw
from mne.datasets import testing


base = Path(__file__).parent.parent
test_base = Path(testing.data_path(download=False))


@pytest.mark.parametrize('fname', ['x.xxx', 'x'])
def test_read_raw_unsupported(fname):
    """Test handling of unsupported file types."""
    with pytest.raises(ValueError, match='Unsupported file type'):
        read_raw(fname)


@pytest.mark.parametrize('fname', ['x.vmrk', 'x.eeg'])
def test_read_raw_suggested(fname):
    """Test handling of unsupported file types with suggested alternatives."""
    with pytest.raises(ValueError, match='Try reading'):
        read_raw(fname)


@pytest.mark.parametrize('fname', [
    base / 'edf/tests/data/test.edf',
    base / 'edf/tests/data/test.bdf',
    base / 'brainvision/tests/data/test.vhdr',
    base / 'kit/tests/data/test.sqd',
    pytest.param(test_base / 'KIT/data_berlin.con',
                 marks=testing._pytest_mark()),
])
def test_read_raw_supported(fname):
    """Test supported file types."""
    read_raw(fname)
    read_raw(fname, verbose=False)
    raw = read_raw(fname, preload=True)
    assert "data loaded" in str(raw)