def test_FileManager_ls_fail():
"""
The on_list_fail signal is emitted when a problem is encountered.
"""
fm = FileManager()
fm.on_list_fail = mock.MagicMock()
with mock.patch('mu.modes.microbit.microfs.ls',
side_effect=Exception('boom')):
fm.ls()
fm.on_list_fail.emit.assert_called_once_with()
def test_FileManager_ls_fail():
"""
The on_list_fail signal is emitted when a problem is encountered.
"""
fm = FileManager()
fm.on_list_fail = mock.MagicMock()
with mock.patch('mu.modes.microbit.microfs.ls',
side_effect=Exception('boom')):
fm.ls()
fm.on_list_fail.emit.assert_called_once_with()
def test_FileManager_ls():
"""
The on_list_files signal is emitted with a tuple of files when microfs.ls
completes successfully.
"""
fm = FileManager()
fm.on_list_files = mock.MagicMock()
mock_ls = mock.MagicMock(return_value=['foo.py', 'bar.py', ])
with mock.patch('mu.modes.microbit.microfs.ls', mock_ls):
fm.ls()
fm.on_list_files.emit.assert_called_once_with(('foo.py', 'bar.py'))
def test_FileManager_ls():
"""
The on_list_files signal is emitted with a tuple of files when microfs.ls
completes successfully.
"""
fm = FileManager()
fm.on_list_files = mock.MagicMock()
mock_ls = mock.MagicMock(return_value=['foo.py', 'bar.py', ])
with mock.patch('mu.modes.microbit.microfs.ls', mock_ls),\
mock.patch('mu.modes.microbit.microfs.get_serial'):
fm.ls()
fm.on_list_files.emit.assert_called_once_with(('foo.py', 'bar.py'))
def test_FileManager_on_start():
"""
When a thread signals it has started, list the files.
"""
fm = FileManager()
fm.ls = mock.MagicMock()
fm.on_start()
fm.ls.assert_called_once_with()
def test_FileManager_on_start():
"""
When a thread signals it has started, list the files.
"""
fm = FileManager()
fm.ls = mock.MagicMock()
fm.on_start()
fm.ls.assert_called_once_with()
