def test_FileManager_delete_fail():
"""
The on_delete_fail signal is emitted when a problem is encountered.
"""
fm = FileManager()
fm.on_delete_fail = mock.MagicMock()
with mock.patch('mu.modes.microbit.microfs.rm',
side_effect=Exception('boom')):
fm.delete('foo.py')
fm.on_delete_fail.emit.assert_called_once_with('foo.py')
def test_FileManager_delete_fail():
"""
The on_delete_fail signal is emitted when a problem is encountered.
"""
fm = FileManager()
fm.on_delete_fail = mock.MagicMock()
with mock.patch('mu.modes.microbit.microfs.get_serial',
side_effect=Exception('boom')):
fm.delete('foo.py')
fm.on_delete_fail.emit.assert_called_once_with('foo.py')
def test_FileManager_delete():
"""
The on_delete_file signal is emitted with the name of the effected file
when microfs.rm completes successfully.
"""
fm = FileManager()
fm.on_delete_file = mock.MagicMock()
mock_rm = mock.MagicMock()
with mock.patch('mu.modes.microbit.microfs.rm', mock_rm):
fm.delete('foo.py')
mock_rm.assert_called_once_with('foo.py')
fm.on_delete_file.emit.assert_called_once_with('foo.py')
def test_FileManager_delete():
"""
The on_delete_file signal is emitted with the name of the effected file
when microfs.rm completes successfully.
"""
fm = FileManager()
fm.on_delete_file = mock.MagicMock()
mock_rm = mock.MagicMock()
mock_serial = mock.MagicMock()
with mock.patch('mu.modes.microbit.microfs.rm', mock_rm),\
mock.patch('mu.modes.microbit.microfs.get_serial', mock_serial):
fm.delete('foo.py')
mock_rm.assert_called_once_with('foo.py', mock_serial().__enter__())
fm.on_delete_file.emit.assert_called_once_with('foo.py')