def testCorrectSettingOfMultipleAnnotationPoints(self):
'''
Test correct setting of annotations if mouse hovers over multiple scattered points
'''
# create mock values
mocked_ax = plt.gca()
mocked_ax.set_xlim((0, 1))
mocked_ax.set_ylim((0, 1))
mocked_scatter = mocked_ax.scatter(
pd.Series([.5, .5, .5], dtype=float),
pd.Series([.5, .5, .5], dtype=float))
# 3 annotations on same point
mocked_annotation_points_list = [
txt.Annotation('dummy-annotation1', (.5, .5), visible=False),
txt.Annotation('dummy-annotation2', (.5, .5), visible=False),
txt.Annotation('dummy-annotation3', (.5, .5), visible=False)
]
mocked_last_hov_index = -1
mocked_mouse_event_on = bb.MouseEvent('mocked-mouse-event-on',
plt.gcf().canvas, 322,
242) # on point (.5|.5)
mocked_mouse_event_off = bb.MouseEvent('mocked-mouse-event-off',
plt.gcf().canvas, 100,
100) # off point (.5|.5)
# create object
main_sequence = createUUT()
with patch.object(main_sequence, '_annotation_points',
mocked_annotation_points_list):
with patch.object(main_sequence, '_last_hov_anno_index',
mocked_last_hov_index):
# call function on point
main_sequence._annotate_point(mocked_mouse_event_on,
mocked_scatter)
# assert last hovered index
self.assertEqual(0, main_sequence._last_hov_anno_index)
self.assertTrue(
main_sequence._annotation_points[0].get_visible())
# call function off point
main_sequence._annotate_point(mocked_mouse_event_off,
mocked_scatter)
# assert last hovered index (no change in index off point)
self.assertEqual(0, main_sequence._last_hov_anno_index)
self.assertFalse(
main_sequence._annotation_points[0].get_visible())
# call function on point again (annotation should change)
main_sequence._annotate_point(mocked_mouse_event_on,
mocked_scatter)
# assert last hovered index change
self.assertEqual(1, main_sequence._last_hov_anno_index)
self.assertTrue(
main_sequence._annotation_points[1].get_visible())
def test_contains():
import matplotlib.backend_bases as mbackend
fig = plt.figure()
ax = plt.axes()
mevent = mbackend.MouseEvent('button_press_event', fig.canvas, 0.5, 0.5, 1,
None)
xs = np.linspace(0.25, 0.75, 30)
ys = np.linspace(0.25, 0.75, 30)
xs, ys = np.meshgrid(xs, ys)
txt = plt.text(0.48,
0.52,
'hello world',
ha='center',
fontsize=30,
rotation=30)
# uncomment to draw the text's bounding box
# txt.set_bbox(dict(edgecolor='black', facecolor='none'))
# draw the text. This is important, as the contains method can only work
# when a renderer exists.
fig.canvas.draw()
for x, y in zip(xs.flat, ys.flat):
mevent.x, mevent.y = plt.gca().transAxes.transform_point([x, y])
contains, _ = txt.contains(mevent)
color = 'yellow' if contains else 'red'
# capture the viewLim, plot a point, and reset the viewLim
vl = ax.viewLim.frozen()
ax.plot(x, y, 'o', color=color)
ax.viewLim.set(vl)
def testCorrectFunctionCallsIfSinglePointSelected(self,
mocked_txt_get_vis_func,
mocked_txt_set_vis_func,
mocked_coll_cont_func):
'''
Test correct function calls if mouse hovers over a single scattered point
'''
# assert mocks
self.assertIs(txt.Text.get_visible, mocked_txt_get_vis_func)
self.assertIs(txt.Text.set_visible, mocked_txt_set_vis_func)
self.assertIs(coll.PathCollection.contains, mocked_coll_cont_func)
# create mock values
mocked_ax = plt.gca()
mocked_ax.set_xlim((0, 1))
mocked_ax.set_ylim((0, 1))
mocked_scatter = mocked_ax.scatter(pd.Series([.5], dtype=float),
pd.Series([.5], dtype=float))
mocked_coll_cont_func.return_value = True, {
'ind': np.array([0], dtype=int)
}
mocked_annotation_points_list = [
txt.Annotation('dummy-annotation1', (.5, .5), visible=False),
txt.Annotation('dummy-annotation2', (.1, .5), visible=False),
txt.Annotation('dummy-annotation3', (.7, .2), visible=False)
]
mocked_mouse_event = bb.MouseEvent('mocked-mouse-event',
plt.gcf().canvas, 322,
242) # on point (.5|.5)
# create object
main_sequence = createUUT()
with patch.object(main_sequence, '_annotation_points',
mocked_annotation_points_list):
# call function to test
main_sequence._annotate_point(mocked_mouse_event, mocked_scatter)
# assert function calls
mocked_coll_cont_func.assert_called_once()
call_list = [
mocked_txt_get_vis_func(),
mocked_txt_get_vis_func(),
mocked_txt_get_vis_func()
]
mocked_txt_get_vis_func.has_calls(call_list) # called three times
mocked_txt_set_vis_func.assert_called()
def testCorrectSettingOfMultipleAnnotationPointsOfAnotherGroup(self):
'''
Test correct setting of annotations if mouse hovers from one group of annotation points to another
'''
# create mock values
mocked_ax = plt.gca()
mocked_ax.set_xlim((0, 1))
mocked_ax.set_ylim((0, 1))
mocked_scatter = mocked_ax.scatter(
pd.Series([.5, .5, .25, .25], dtype=float),
pd.Series([.5, .5, .25, .25], dtype=float))
# 2 annotations on same point
mocked_annotation_points_list = [
txt.Annotation('dummy-annotation1_1', (.5, .5), visible=False),
txt.Annotation('dummy-annotation1_2', (.5, .5), visible=False),
txt.Annotation('dummy-annotation2_1', (.25, .25), visible=False),
txt.Annotation('dummy-annotation2_2', (.25, .25), visible=False),
]
mocked_last_hov_index = -1
mocked_mouse_event_on_1 = bb.MouseEvent('mocked-mouse-event-on-1',
plt.gcf().canvas, 322,
242) # on point (.5|.5)
mocked_mouse_event_on_2 = bb.MouseEvent('mocked-mouse-event-on-2',
plt.gcf().canvas, 205,
146) # on point (.25|.25)
mocked_mouse_event_off = bb.MouseEvent('mocked-mouse-event-off',
plt.gcf().canvas, 100,
100) # off points
# create object
main_sequence = createUUT()
with patch.object(main_sequence, '_annotation_points',
mocked_annotation_points_list):
with patch.object(main_sequence, '_last_hov_anno_index',
mocked_last_hov_index):
# call function on point 1
main_sequence._annotate_point(mocked_mouse_event_on_1,
mocked_scatter)
# assert last hovered index
self.assertEqual(0, main_sequence._last_hov_anno_index)
self.assertTrue(
main_sequence._annotation_points[0].get_visible())
# call function off point
main_sequence._annotate_point(mocked_mouse_event_off,
mocked_scatter)
# assert last hovered index (no change in index off point)
self.assertEqual(0, main_sequence._last_hov_anno_index)
self.assertFalse(
main_sequence._annotation_points[0].get_visible())
# call function on point 2
main_sequence._annotate_point(mocked_mouse_event_on_2,
mocked_scatter)
# assert last hovered index change
self.assertEqual(2, main_sequence._last_hov_anno_index)
self.assertTrue(
main_sequence._annotation_points[2].get_visible())
