def setup_method(self, method):
self.data = mock_data()
self.session = simple_session()
self.collect = self.session.data_collection
self.hub = self.session.hub
self.collect.append(self.data)
self.widget = HistogramWidget(self.session)
def test_resample_on_zoom():
# For images where the aspect ratio of pixels is fixed to be square, when
# the user zooms in, the limits of the axes are actually changed twice by
# matplotlib - a second time when the aspect ratio is enforced. So we need
# to make sure that we update the modest_image when this is the case.
session = simple_session()
np.random.seed(12345)
data = Data(x=np.random.random((2048, 2048)), label='image')
session.data_collection.append(data)
image = ImageViewer(session=session)
image.add_data(data)
image.show()
try:
device_ratio = image.axes.figure.canvas.devicePixelRatio()
except AttributeError:
device_ratio = 1.
image.axes.figure.canvas.key_press_event('o')
image.axes.figure.canvas.button_press_event(200 * device_ratio, 200 * device_ratio, 1)
image.axes.figure.canvas.motion_notify_event(400 * device_ratio, 210 * device_ratio)
image.axes.figure.canvas.button_release_event(400 * device_ratio, 210 * device_ratio, 1)
return image.axes.figure
def setup_method(self, method):
self.data = mock_data()
self.session = simple_session()
self.collect = self.session.data_collection
self.hub = self.session.hub
self.collect.append(self.data)
self.widget = HistogramWidget(self.session)
def test_duplicate_shortcut():
session = simple_session()
with warnings.catch_warnings(record=True) as w:
ExampleViewer2(session)
assert len(w) == 1
assert str(w[0].message) == ("Tools 'TEST1' and 'TEST2' have the same "
"shortcut ('A'). Ignoring shortcut for 'TEST2'")
def test_resample_on_zoom():
# For images where the aspect ratio of pixels is fixed to be square, when
# the user zooms in, the limits of the axes are actually changed twice by
# matplotlib - a second time when the aspect ratio is enforced. So we need
# to make sure that we update the modest_image when this is the case.
session = simple_session()
np.random.seed(12345)
data = Data(x=np.random.random((2048, 2048)), label='image')
session.data_collection.append(data)
image = ImageViewer(session=session)
image.add_data(data)
image.show()
try:
device_ratio = image.axes.figure.canvas.devicePixelRatio()
except AttributeError:
device_ratio = 1.
image.axes.figure.canvas.key_press_event('o')
image.axes.figure.canvas.button_press_event(200 * device_ratio,
200 * device_ratio, 1)
image.axes.figure.canvas.motion_notify_event(400 * device_ratio,
210 * device_ratio)
image.axes.figure.canvas.button_release_event(400 * device_ratio,
210 * device_ratio, 1)
return image.axes.figure
def test_toolbar(tmpdir):
session = simple_session()
with warnings.catch_warnings(record=True) as w:
viewer = ExampleViewer(session)
toolbar = viewer.toolbar
# test save tool
with patch('qtpy.compat.getsavefilename') as fd:
fd.return_value = tmpdir.join('test.png').strpath, 'jnk'
toolbar.actions['vispy:save'].trigger()
# test rotate tool
toolbar.actions['vispy:rotate'].toggle()
assert toolbar.active_tool.tool_id == 'vispy:rotate'
# TODO: assert a mode here
toolbar.actions['vispy:rotate'].toggle()
assert toolbar.active_tool is None
# test record tool
try:
import imageio # noqa
toolbar.actions['vispy:record'].toggle()
assert toolbar.active_tool.tool_id == 'vispy:record'
toolbar.actions['vispy:record'].toggle()
assert toolbar.active_tool.tool_id is None
except ImportError:
print('Imageio package needed')
assert len(w) == 0
def test_duplicate_shortcut():
session = simple_session()
with warnings.catch_warnings(record=True) as w:
ExampleViewer2(session)
assert len(w) == 1
assert str(
w[0].message) == ("Tools 'TEST1' and 'TEST2' have the same "
"shortcut ('A'). Ignoring shortcut for 'TEST2'")
def setup_method(self, method):
s = simple_session()
self.hub = s.hub
self.data = core.Data(label='d1', x=[1, 2, 3])
self.dc = s.data_collection
self.dc.append(self.data)
self.w = DendroWidget(s)
def test_unregister_on_close(self):
session = simple_session()
hub = session.hub
w = self.widget_cls(session)
w.register_to_hub(hub)
with patch.object(DataViewer, 'unregister') as unregister:
w.close()
unregister.assert_called_once_with(hub)
def test_unregister_on_close(self):
session = simple_session()
hub = session.hub
w = self.widget_cls(session)
w.register_to_hub(hub)
with patch.object(DataViewer, 'unregister') as unregister:
w.close()
unregister.assert_called_once_with(hub)
def setup_method(self, method):
setup.reset_mock()
settings_changed.reset_mock()
plot_subset.reset_mock()
plot_data.reset_mock()
make_selector.reset_mock()
self.data = Data(x=[1, 2, 3], y=[2, 3, 4])
self.session = simple_session()
self.dc = self.session.data_collection
self.dc.append(self.data)
def setup_method(self, method):
setup.reset_mock()
settings_changed.reset_mock()
plot_subset.reset_mock()
plot_data.reset_mock()
make_selector.reset_mock()
self.data = Data(x=[1, 2, 3], y=[2, 3, 4])
self.session = simple_session()
self.dc = self.session.data_collection
self.dc.append(self.data)
def test_volume_viewer():
# Create fake data
data = Data(primary=np.arange(1000).reshape((10,10,10)))
# Create fake session
session = simple_session()
session.data_collection.append(data)
w = VispyVolumeViewer(session)
w.add_data(data)
w.show()
def test_combo_box_updates():
# Regression test for a bug that caused combo boxes to not be updated
# correctly when switching between different datasets.
session = simple_session()
hub = session.hub
dc = session.data_collection
data1 = core.Data(label='im1',
x=[[1, 2], [3, 4]],
y=[[2, 3], [4, 5]])
data2 = core.Data(label='im2',
a=[[1, 2], [3, 4]],
b=[[2, 3], [4, 5]])
dc.append(data1)
dc.append(data2)
widget = ImageWidget(session)
widget.register_to_hub(hub)
widget.add_data(data1)
assert widget.client.display_data is data1
assert widget.data.label == 'im1'
assert widget.attribute.label == 'x'
widget.add_data(data2)
assert widget.client.display_data is data2
assert widget.data.label == 'im2'
assert widget.attribute.label == 'a'
widget.attribute = data2.find_component_id('b')
with pytest.raises(ValueError) as exc:
widget.attribute = data1.find_component_id('x')
assert exc.value.args[0] == "Cannot find data 'x' in combo box"
widget.data = data1
assert widget.attribute.label == 'x'
widget.attribute = data1.find_component_id('y')
with pytest.raises(ValueError) as exc:
widget.attribute = data2.find_component_id('a')
assert exc.value.args[0] == "Cannot find data 'a' in combo box"
assert widget.client.display_data is data1
def test_volume_viewer():
# Create fake data
data = Data(primary=np.arange(1000).reshape((10, 10, 10)))
# Create fake session
session = simple_session()
session.data_collection.append(data)
w = VispyVolumeViewer(session)
w.add_data(data)
w.show()
def test_style_dialog():
# This is in part a regression test for a bug in Python 3. It is not a
# full test of StyleDialog.
session = simple_session()
hub = session.hub
collect = session.data_collection
image = Data(label='im', x=[[1, 2], [3, 4]], y=[[2, 3], [4, 5]])
pos = QtCore.QPoint(10, 10)
st = NonBlockingStyleDialog.dropdown_editor(image, pos)
def setup_method(self, method):
self.session = simple_session()
self.hub = self.session.hub
self.collect = self.session.data_collection
self.im = core.Data(label='im', x=[[1, 2], [3, 4]], y=[[2, 3], [4, 5]])
self.cube = core.Data(label='cube',
x=[[[1, 2], [3, 4]], [[1, 2], [3, 4]]],
y=[[[1, 2], [3, 4]], [[1, 2], [3, 4]]])
self.widget = self.widget_cls(self.session)
self.connect_to_hub()
self.collect.append(self.im)
self.collect.append(self.cube)
def test_style_dialog():
# This is in part a regression test for a bug in Python 3. It is not a
# full test of StyleDialog.
session = simple_session()
hub = session.hub
collect = session.data_collection
image = Data(label="im", x=[[1, 2], [3, 4]], y=[[2, 3], [4, 5]])
pos = QtCore.QPoint(10, 10)
st = NonBlockingStyleDialog.dropdown_editor(image, pos)
def setup_method(self, method):
self.data = Data(label='d1', x=[3.4, 2.3, -1.1, 0.3], y=['a', 'b', 'c', 'a'])
self.session = simple_session()
self.hub = self.session.hub
self.data_collection = self.session.data_collection
self.data_collection.append(self.data)
self.viewer = HistogramViewer(self.session)
self.data_collection.register_to_hub(self.hub)
self.viewer.register_to_hub(self.hub)
def setup_method(self, method):
self.setup_data()
session = simple_session()
session.data_collection.append(self.data)
self.image = ImageWidget(session)
self.image.add_data(self.data)
self.image.data = self.data
self.image.attribute = self.data.id['x']
self.mode = self.image.toolbar.tools['spectrum']
self.tool = self.mode._tool
self.tool.show = lambda *args: None
def setup_method(self, method):
self.data = self.init_data()
self.session = simple_session()
self.hub = self.session.hub
self.data_collection = self.session.data_collection
self.data_collection.append(self.data)
self.viewer = self.viewer_cls(self.session)
self.data_collection.register_to_hub(self.hub)
self.viewer.register_to_hub(self.hub)
def setup_method(self, method):
self.setup_data()
session = simple_session()
session.data_collection.append(self.data)
self.image = ImageViewer(session)
self.image.add_data(self.data)
self.image.data = self.data
self.image.attribute = self.data.id['x']
self.mode = self.image.toolbar.tools['spectrum']
self.tool = self.mode._tool
self.tool.show = lambda *args: None
def setup_method(self, method):
self.data = Data(label='d1', x=[3.4, 2.3, -1.1, 0.3], y=['a', 'b', 'c', 'a'])
self.session = simple_session()
self.hub = self.session.hub
self.data_collection = self.session.data_collection
self.data_collection.append(self.data)
self.viewer = HistogramViewer(self.session)
self.data_collection.register_to_hub(self.hub)
self.viewer.register_to_hub(self.hub)
def test_combo_box_updates():
# Regression test for a bug that caused combo boxes to not be updated
# correctly when switching between different datasets.
session = simple_session()
hub = session.hub
dc = session.data_collection
data1 = core.Data(label='im1', x=[[1, 2], [3, 4]], y=[[2, 3], [4, 5]])
data2 = core.Data(label='im2', a=[[1, 2], [3, 4]], b=[[2, 3], [4, 5]])
dc.append(data1)
dc.append(data2)
widget = ImageWidget(session)
widget.register_to_hub(hub)
widget.add_data(data1)
assert widget.client.display_data is data1
assert widget.data.label == 'im1'
assert widget.attribute.label == 'x'
widget.add_data(data2)
assert widget.client.display_data is data2
assert widget.data.label == 'im2'
assert widget.attribute.label == 'a'
widget.attribute = data2.find_component_id('b')
with pytest.raises(ValueError) as exc:
widget.attribute = data1.find_component_id('x')
assert exc.value.args[0] == "Cannot find data 'x' in combo box"
widget.data = data1
assert widget.attribute.label == 'x'
widget.attribute = data1.find_component_id('y')
with pytest.raises(ValueError) as exc:
widget.attribute = data2.find_component_id('a')
assert exc.value.args[0] == "Cannot find data 'a' in combo box"
assert widget.client.display_data is data1
def setup_method(self, method):
s = simple_session()
self.hub = s.hub
self.d1 = core.Data(x=[1, 2, 3], y=[2, 3, 4],
z=[3, 4, 5], w=[4, 5, 6])
self.d1.label = 'd1'
self.d2 = core.Data(x=[1, 2, 3], y=[2, 3, 4],
z=[3, 4, 5], w=[4, 5, 6])
self.d2.label = 'd2'
self.data = [self.d1, self.d2]
self.collect = s.data_collection
self.collect.append(self.data)
self.widget = ScatterWidget(s)
self.session = s
self.connect_to_hub()
def setup_method(self, method):
self.session = simple_session()
self.hub = self.session.hub
self.collect = self.session.data_collection
self.im = core.Data(label='im',
x=[[1, 2], [3, 4]],
y=[[2, 3], [4, 5]])
self.cube = core.Data(label='cube',
x=[[[1, 2], [3, 4]], [[1, 2], [3, 4]]],
y=[[[1, 2], [3, 4]], [[1, 2], [3, 4]]])
self.widget = self.widget_cls(self.session)
self.connect_to_hub()
self.collect.append(self.im)
self.collect.append(self.cube)
def setup_method(self, method):
s = simple_session()
self.hub = s.hub
self.d1 = core.Data(x=[1, 2, 3], y=[2, 3, 4],
z=[3, 4, 5], w=[4, 5, 6])
self.d1.label = 'd1'
self.d2 = core.Data(x=[1, 2, 3], y=[2, 3, 4],
z=[3, 4, 5], w=[4, 5, 6])
self.d2.label = 'd2'
self.data = [self.d1, self.d2]
self.collect = s.data_collection
self.collect.append(self.data)
self.widget = ScatterWidget(s)
self.session = s
self.connect_to_hub()
def test_scatter_viewer():
# Create fake data
data = make_test_data()
# Create fake session
session = simple_session()
session.data_collection.append(data)
w = VispyScatterViewer(session)
w.add_data(data)
w.show()
w._options_widget.show()
# Get layer artist style editor
layer_artist, style_widget = w._view.layout_style_widgets.popitem()
def test_scatter_viewer():
# Create fake data
data = make_test_data()
# Create fake session
session = simple_session()
session.data_collection.append(data)
w = VispyScatterViewer(session)
w.add_data(data)
w.show()
w._options_widget.show()
# Get layer artist style editor
layer_artist, style_widget = w._view.layout_style_widgets.popitem()
def setup_method(self, method):
self.setup_data()
session = simple_session()
session.data_collection.append(self.data)
self.image = ImageWidget(session)
self.image.add_data(self.data)
self.image.data = self.data
self.image.attribute = self.data.id['x']
for tool in self.image._tools:
if isinstance(tool, SpectrumTool):
self.tool = tool
break
else:
raise Exception("SpectrumTool not found")
self.tool.show = lambda *args: None
def setup_method(self, method):
self.setup_data()
session = simple_session()
session.data_collection.append(self.data)
self.image = ImageWidget(session)
self.image.add_data(self.data)
self.image.data = self.data
self.image.attribute = self.data.id['x']
for tool in self.image._tools:
if isinstance(tool, SpectrumTool):
self.tool = tool
break
else:
raise Exception("SpectrumTool not found")
self.tool.show = lambda *args: None
def setup_method(self, method):
self.data = Data(label='d1', x=[3.4, 2.3, -1.1, 0.3],
y=[3.2, 3.3, 3.4, 3.5], z=['a', 'b', 'c', 'a'])
self.data_2d = Data(label='d2', a=[[1, 2], [3, 4]], b=[[5, 6], [7, 8]],
x=[[3, 5], [5.4, 1]], y=[[1.2, 4], [7, 8]])
self.session = simple_session()
self.hub = self.session.hub
self.data_collection = self.session.data_collection
self.data_collection.append(self.data)
self.data_collection.append(self.data_2d)
self.viewer = ScatterViewer(self.session)
self.data_collection.register_to_hub(self.hub)
self.viewer.register_to_hub(self.hub)
def test_volumeviewer_toolbar():
session = simple_session()
v = VispyVolumeViewer(session)
data = make_test_data()
session.data_collection.append(data)
v.add_data(data)
assert v.toolbar is not None
toolbar = v.toolbar
# test rotate tool
toolbar.actions['vispy:rotate'].toggle()
assert toolbar.active_tool.tool_id == 'vispy:rotate'
# TODO: assert a mode here
toolbar.actions['vispy:rotate'].toggle()
assert toolbar.active_tool is None
# test lasso selection tool
toolbar.actions['vispy:lasso'].toggle()
assert 'vispy:lasso' in toolbar.active_tool.tool_id
lasso = toolbar.active_tool
# event = QTest.mouseMove(viewer._vispy_widget)
# TODO: add a real mouse move event so content in lasso.move() is called
lasso.press(MouseEvent('mouse_press'))
lasso.move(MouseEvent('mouse_move'))
lasso.release(MouseEvent('mouse_release'))
assert toolbar.tools['vispy:lasso'] == lasso
# add point selection test
# set to perspective mode
toolbar.actions['volume3d:floodfill'].toggle()
assert 'volume3d:floodfill' in toolbar.active_tool.tool_id
point = toolbar.active_tool
# event = QTest.mouseMove(viewer._vispy_widget)
# TODO: add a real mouse move event so content in lasso.move() is called
point.press(MouseEvent('mouse_press'))
point.move(MouseEvent('mouse_move'))
point.release(MouseEvent('mouse_release'))
assert toolbar.tools['volume3d:floodfill'] == point
v.close()
def test_volumeviewer_toolbar():
session = simple_session()
v = VispyVolumeViewer(session)
data = make_test_data()
v.add_data(data)
assert v.toolbar is not None
toolbar = v.toolbar
# test rotate tool
toolbar.actions['vispy:rotate'].toggle()
assert toolbar.active_tool.tool_id == 'vispy:rotate'
# TODO: assert a mode here
toolbar.actions['vispy:rotate'].toggle()
assert toolbar.active_tool is None
# test lasso selection tool
toolbar.actions['vispy:lasso'].toggle()
assert 'vispy:lasso' in toolbar.active_tool.tool_id
lasso = toolbar.active_tool
# event = QTest.mouseMove(viewer._vispy_widget)
# TODO: add a real mouse move event so content in lasso.move() is called
lasso.press(MouseEvent('mouse_press'))
lasso.move(MouseEvent('mouse_move'))
lasso.release(MouseEvent('mouse_release'))
assert toolbar.tools['vispy:lasso'] == lasso
# add point selection test
# set to perspective mode
toolbar.actions['volume3d:point'].toggle()
assert 'volume3d:point' in toolbar.active_tool.tool_id
point = toolbar.active_tool
# event = QTest.mouseMove(viewer._vispy_widget)
# TODO: add a real mouse move event so content in lasso.move() is called
point.press(MouseEvent('mouse_press'))
point.move(MouseEvent('mouse_move'))
point.release(MouseEvent('mouse_release'))
assert toolbar.tools['volume3d:point'] == point
def setup_method(self, method):
self.data = Data(label='d1',
x=[3.4, 2.3, -1.1, 0.3],
y=[3.2, 3.3, 3.4, 3.5],
z=['a', 'b', 'c', 'a'])
self.data_2d = Data(label='d2',
a=[[1, 2], [3, 4]],
b=[[5, 6], [7, 8]],
x=[[3, 5], [5.4, 1]],
y=[[1.2, 4], [7, 8]])
self.session = simple_session()
self.hub = self.session.hub
self.data_collection = self.session.data_collection
self.data_collection.append(self.data)
self.data_collection.append(self.data_2d)
self.viewer = ScatterViewer(self.session)
self.data_collection.register_to_hub(self.hub)
self.viewer.register_to_hub(self.hub)
def _make_widget(viewer):
s = simple_session()
return viewer._widget_cls(s)
def setup_method(self, method):
self.session = simple_session()
self.viewer = ExampleViewer(self.session)
self._called_back = False
def _make_widget(viewer):
s = simple_session()
return viewer._widget_cls(s)
def setup_method(self, method):
self.data = Data(x=[1, 2, 3], y=[2, 3, 4])
self.session = simple_session()
self.dc = self.session.data_collection
self.dc.append(self.data)
def setup_method(self, method):
self.session = simple_session()
self.viewer = ExampleViewer(self.session)
self._called_back = False
def test_duplicate_shortcut():
session = simple_session()
expected_warning = ("Tools 'TEST1' and 'TEST2' have the same "
r"shortcut \('A'\). Ignoring shortcut for 'TEST2'")
with pytest.warns(UserWarning, match=expected_warning):
ExampleViewer2(session)
def setup_method(self, method):
self.data = Data(x=[1, 2, 3], y=[2, 3, 4])
self.session = simple_session()
self.dc = self.session.data_collection
self.dc.append(self.data)
