def test_get_filename_with_passed_name():
# arrange
file = 'mcnp_examples/F2.out'
# act
filename = eddy.get_filename(file)
# assert
assert filename == file
def test_get_filename_from_tkinter(mocker):
# arrange
mocker.patch("eddymc.eddy.askopenfilename",
return_value="mcnp_examples/F2.out")
# act
file = eddy.get_filename()
# assert
assert file == 'mcnp_examples/F2.out'
def test_get_filename_from_tkinter(mocker, mock_tk):
"""This test is commented out because I can't get github workflows to
ignore the Tk().withdraw() line, and it errors there because the server
can't connect to a display.
Solutions tried so far:
setting the $DISPLAY variable in the workflow (sets the display, but tkinter can't connect)
patching various combinations of Tk and withdraw
"""
# arrange
mocker.patch('eddymc.eddy.Tk', return_value=mock_tk())
mocker.patch("eddymc.eddy.askopenfilename",
return_value="mcnp_examples/F2.out")
# act
file = eddy.get_filename()
# assert
assert file == 'mcnp_examples/F2.out'
def test_get_filename_if_file_missing():
# arrange
name = 'mcnp_examples/nonexistent_file.out'
# act, assert
with pytest.raises(AssertionError):
eddy.get_filename(name)