Python ViewerModel._add_layers_with_plugins Examples

Example #1

File: test_add_layers.py Project: rekharchandran/napari

def test_add_layers_with_plugins(layer_datum):
    """Test that add_layers_with_plugins adds the expected layer types."""
    with patch(
            "napari.components.add_layers_mixin.read_data_with_plugins",
            MagicMock(return_value=[layer_datum]),
    ):
        v = ViewerModel()
        v._add_layers_with_plugins('mock_path')
        layertypes = [l._type_string for l in v.layers]
        assert layertypes == [layer_datum[2]]

Example #2

def test_add_layers_with_plugins(layer_datum):
    """Test that add_layers_with_plugins adds the expected layer types."""
    with patch(
        "napari.plugins.io.read_data_with_plugins",
        MagicMock(return_value=([layer_datum], _testimpl)),
    ):
        v = ViewerModel()
        v._add_layers_with_plugins('mock_path')
        layertypes = [layer._type_string for layer in v.layers]
        assert layertypes == [layer_datum[2]]

        expected_source = Source(path='mock_path', reader_plugin='testimpl')
        assert all(lay.source == expected_source for lay in v.layers)

Example #3

File: test_add_layers.py Project: rekharchandran/napari

def test_add_layers_with_plugins_and_kwargs(layer_data, kwargs):
    """Test that _add_layers_with_plugins kwargs override plugin kwargs.

    see also: napari.components._test.test_prune_kwargs
    """
    with patch(
            "napari.components.add_layers_mixin.read_data_with_plugins",
            MagicMock(return_value=layer_data),
    ):
        v = ViewerModel()
        v._add_layers_with_plugins('mock_path', kwargs=kwargs)
        for layer in v.layers:
            for key, val in kwargs.items():
                assert getattr(layer, key) == val

Example #4

def test_add_layers_with_plugins_and_kwargs(layer_data, kwargs):
    """Test that _add_layers_with_plugins kwargs override plugin kwargs.

    see also: napari.components._test.test_prune_kwargs
    """
    with patch(
            "napari.components.add_layers_mixin.read_data_with_plugins",
            MagicMock(return_value=layer_data),
    ):
        v = ViewerModel()
        v._add_layers_with_plugins('mock_path', kwargs=kwargs)
        for layer in v.layers:
            for key, val in kwargs.items():
                assert getattr(layer, key) == val
                # if plugins don't provide "name", it falls back to path name
                if 'name' not in kwargs:
                    assert layer.name.startswith('mock_path')

Example #5

File: test_add_layers.py Project: kne42/napari

def test_add_layers_with_plugins_and_kwargs(layer_data, kwargs):
    """Test that _add_layers_with_plugins kwargs override plugin kwargs.

    see also: napari.components._test.test_prune_kwargs
    """
    with patch(
        "napari.plugins.io.read_data_with_plugins",
        MagicMock(return_value=(layer_data, _testimpl)),
    ):

        v = ViewerModel()
        v._add_layers_with_plugins(['mock_path'], kwargs=kwargs, stack=False)
        expected_source = Source(path='mock_path', reader_plugin='testimpl')
        for layer in v.layers:
            for key, val in kwargs.items():
                assert getattr(layer, key) == val
                # if plugins don't provide "name", it falls back to path name
                if 'name' not in kwargs:
                    assert layer.name.startswith('mock_path')
            assert layer.source == expected_source

Example #6

File: test_add_layers.py Project: rekharchandran/napari

def test_plugin_returns_nothing():
    """Test that a plugin to returning nothing adds nothing to the Viewer."""
    v = ViewerModel()
    v._add_layers_with_plugins('mock_path')
    assert not v.layers