Delete .venv directory
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import matplotlib.colors as mcolors
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import matplotlib.widgets as widgets
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import matplotlib.pyplot as plt
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from matplotlib.testing.decorators import image_comparison
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from matplotlib.testing.widgets import do_event, get_ax, mock_event
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from numpy.testing import assert_allclose
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import pytest
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def check_rectangle(**kwargs):
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ax = get_ax()
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def onselect(epress, erelease):
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ax._got_onselect = True
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assert epress.xdata == 100
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assert epress.ydata == 100
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assert erelease.xdata == 199
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assert erelease.ydata == 199
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tool = widgets.RectangleSelector(ax, onselect, **kwargs)
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do_event(tool, 'press', xdata=100, ydata=100, button=1)
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do_event(tool, 'onmove', xdata=199, ydata=199, button=1)
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# purposely drag outside of axis for release
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do_event(tool, 'release', xdata=250, ydata=250, button=1)
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if kwargs.get('drawtype', None) not in ['line', 'none']:
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assert_allclose(tool.geometry,
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[[100., 100, 199, 199, 100],
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[100, 199, 199, 100, 100]],
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err_msg=tool.geometry)
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assert ax._got_onselect
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def test_rectangle_selector():
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check_rectangle()
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check_rectangle(drawtype='line', useblit=False)
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check_rectangle(useblit=True, button=1)
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check_rectangle(drawtype='none', minspanx=10, minspany=10)
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check_rectangle(minspanx=10, minspany=10, spancoords='pixels')
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check_rectangle(rectprops=dict(fill=True))
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def test_ellipse():
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"""For ellipse, test out the key modifiers"""
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ax = get_ax()
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def onselect(epress, erelease):
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pass
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tool = widgets.EllipseSelector(ax, onselect=onselect,
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maxdist=10, interactive=True)
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tool.extents = (100, 150, 100, 150)
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# drag the rectangle
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do_event(tool, 'press', xdata=10, ydata=10, button=1,
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key=' ')
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do_event(tool, 'onmove', xdata=30, ydata=30, button=1)
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do_event(tool, 'release', xdata=30, ydata=30, button=1)
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assert tool.extents == (120, 170, 120, 170)
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# create from center
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do_event(tool, 'on_key_press', xdata=100, ydata=100, button=1,
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key='control')
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do_event(tool, 'press', xdata=100, ydata=100, button=1)
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do_event(tool, 'onmove', xdata=125, ydata=125, button=1)
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do_event(tool, 'release', xdata=125, ydata=125, button=1)
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do_event(tool, 'on_key_release', xdata=100, ydata=100, button=1,
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key='control')
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assert tool.extents == (75, 125, 75, 125)
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# create a square
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do_event(tool, 'on_key_press', xdata=10, ydata=10, button=1,
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key='shift')
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do_event(tool, 'press', xdata=10, ydata=10, button=1)
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do_event(tool, 'onmove', xdata=35, ydata=30, button=1)
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do_event(tool, 'release', xdata=35, ydata=30, button=1)
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do_event(tool, 'on_key_release', xdata=10, ydata=10, button=1,
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key='shift')
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extents = [int(e) for e in tool.extents]
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assert extents == [10, 35, 10, 34]
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# create a square from center
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do_event(tool, 'on_key_press', xdata=100, ydata=100, button=1,
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key='ctrl+shift')
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do_event(tool, 'press', xdata=100, ydata=100, button=1)
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do_event(tool, 'onmove', xdata=125, ydata=130, button=1)
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do_event(tool, 'release', xdata=125, ydata=130, button=1)
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do_event(tool, 'on_key_release', xdata=100, ydata=100, button=1,
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key='ctrl+shift')
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extents = [int(e) for e in tool.extents]
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assert extents == [70, 129, 70, 130]
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assert tool.geometry.shape == (2, 73)
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assert_allclose(tool.geometry[:, 0], [70., 100])
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def test_rectangle_handles():
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ax = get_ax()
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def onselect(epress, erelease):
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pass
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tool = widgets.RectangleSelector(ax, onselect=onselect,
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maxdist=10, interactive=True,
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marker_props={'markerfacecolor': 'r',
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'markeredgecolor': 'b'})
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tool.extents = (100, 150, 100, 150)
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assert tool.corners == (
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(100, 150, 150, 100), (100, 100, 150, 150))
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assert tool.extents == (100, 150, 100, 150)
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assert tool.edge_centers == (
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(100, 125.0, 150, 125.0), (125.0, 100, 125.0, 150))
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assert tool.extents == (100, 150, 100, 150)
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# grab a corner and move it
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do_event(tool, 'press', xdata=100, ydata=100)
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do_event(tool, 'onmove', xdata=120, ydata=120)
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do_event(tool, 'release', xdata=120, ydata=120)
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assert tool.extents == (120, 150, 120, 150)
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# grab the center and move it
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do_event(tool, 'press', xdata=132, ydata=132)
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do_event(tool, 'onmove', xdata=120, ydata=120)
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do_event(tool, 'release', xdata=120, ydata=120)
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assert tool.extents == (108, 138, 108, 138)
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# create a new rectangle
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do_event(tool, 'press', xdata=10, ydata=10)
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do_event(tool, 'onmove', xdata=100, ydata=100)
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do_event(tool, 'release', xdata=100, ydata=100)
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assert tool.extents == (10, 100, 10, 100)
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# Check that marker_props worked.
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assert mcolors.same_color(
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tool._corner_handles.artist.get_markerfacecolor(), 'r')
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assert mcolors.same_color(
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tool._corner_handles.artist.get_markeredgecolor(), 'b')
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def check_span(*args, **kwargs):
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ax = get_ax()
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def onselect(vmin, vmax):
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ax._got_onselect = True
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assert vmin == 100
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assert vmax == 150
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def onmove(vmin, vmax):
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assert vmin == 100
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assert vmax == 125
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ax._got_on_move = True
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if 'onmove_callback' in kwargs:
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kwargs['onmove_callback'] = onmove
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tool = widgets.SpanSelector(ax, onselect, *args, **kwargs)
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do_event(tool, 'press', xdata=100, ydata=100, button=1)
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do_event(tool, 'onmove', xdata=125, ydata=125, button=1)
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do_event(tool, 'release', xdata=150, ydata=150, button=1)
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assert ax._got_onselect
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if 'onmove_callback' in kwargs:
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assert ax._got_on_move
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def test_span_selector():
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check_span('horizontal', minspan=10, useblit=True)
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check_span('vertical', onmove_callback=True, button=1)
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check_span('horizontal', rectprops=dict(fill=True))
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def check_lasso_selector(**kwargs):
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ax = get_ax()
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def onselect(verts):
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ax._got_onselect = True
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assert verts == [(100, 100), (125, 125), (150, 150)]
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tool = widgets.LassoSelector(ax, onselect, **kwargs)
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do_event(tool, 'press', xdata=100, ydata=100, button=1)
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do_event(tool, 'onmove', xdata=125, ydata=125, button=1)
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do_event(tool, 'release', xdata=150, ydata=150, button=1)
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assert ax._got_onselect
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def test_lasso_selector():
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check_lasso_selector()
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check_lasso_selector(useblit=False, lineprops=dict(color='red'))
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check_lasso_selector(useblit=True, button=1)
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def test_CheckButtons():
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ax = get_ax()
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check = widgets.CheckButtons(ax, ('a', 'b', 'c'), (True, False, True))
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assert check.get_status() == [True, False, True]
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check.set_active(0)
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assert check.get_status() == [False, False, True]
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cid = check.on_clicked(lambda: None)
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check.disconnect(cid)
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@image_comparison(['check_radio_buttons.png'], style='mpl20', remove_text=True)
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def test_check_radio_buttons_image():
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# Remove this line when this test image is regenerated.
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plt.rcParams['text.kerning_factor'] = 6
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get_ax()
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plt.subplots_adjust(left=0.3)
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rax1 = plt.axes([0.05, 0.7, 0.15, 0.15])
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rax2 = plt.axes([0.05, 0.2, 0.15, 0.15])
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widgets.RadioButtons(rax1, ('Radio 1', 'Radio 2', 'Radio 3'))
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widgets.CheckButtons(rax2, ('Check 1', 'Check 2', 'Check 3'),
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(False, True, True))
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@image_comparison(['check_bunch_of_radio_buttons.png'],
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style='mpl20', remove_text=True)
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def test_check_bunch_of_radio_buttons():
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rax = plt.axes([0.05, 0.1, 0.15, 0.7])
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widgets.RadioButtons(rax, ('B1', 'B2', 'B3', 'B4', 'B5', 'B6',
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'B7', 'B8', 'B9', 'B10', 'B11', 'B12',
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'B13', 'B14', 'B15'))
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def test_slider_slidermin_slidermax_invalid():
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fig, ax = plt.subplots()
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# test min/max with floats
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with pytest.raises(ValueError):
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widgets.Slider(ax=ax, label='', valmin=0.0, valmax=24.0,
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slidermin=10.0)
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with pytest.raises(ValueError):
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widgets.Slider(ax=ax, label='', valmin=0.0, valmax=24.0,
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slidermax=10.0)
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def test_slider_slidermin_slidermax():
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fig, ax = plt.subplots()
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slider_ = widgets.Slider(ax=ax, label='', valmin=0.0, valmax=24.0,
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valinit=5.0)
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slider = widgets.Slider(ax=ax, label='', valmin=0.0, valmax=24.0,
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valinit=1.0, slidermin=slider_)
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assert slider.val == slider_.val
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slider = widgets.Slider(ax=ax, label='', valmin=0.0, valmax=24.0,
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valinit=10.0, slidermax=slider_)
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assert slider.val == slider_.val
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def test_slider_valmin_valmax():
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fig, ax = plt.subplots()
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slider = widgets.Slider(ax=ax, label='', valmin=0.0, valmax=24.0,
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valinit=-10.0)
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assert slider.val == slider.valmin
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slider = widgets.Slider(ax=ax, label='', valmin=0.0, valmax=24.0,
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valinit=25.0)
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assert slider.val == slider.valmax
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def test_slider_valstep_snapping():
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fig, ax = plt.subplots()
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slider = widgets.Slider(ax=ax, label='', valmin=0.0, valmax=24.0,
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valinit=11.4, valstep=1)
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assert slider.val == 11
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slider = widgets.Slider(ax=ax, label='', valmin=0.0, valmax=24.0,
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valinit=11.4, valstep=[0, 1, 5.5, 19.7])
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assert slider.val == 5.5
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def test_slider_horizontal_vertical():
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fig, ax = plt.subplots()
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slider = widgets.Slider(ax=ax, label='', valmin=0, valmax=24,
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valinit=12, orientation='horizontal')
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slider.set_val(10)
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assert slider.val == 10
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# check the dimension of the slider patch in axes units
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box = slider.poly.get_extents().transformed(ax.transAxes.inverted())
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assert_allclose(box.bounds, [0, 0, 10/24, 1])
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fig, ax = plt.subplots()
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slider = widgets.Slider(ax=ax, label='', valmin=0, valmax=24,
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valinit=12, orientation='vertical')
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slider.set_val(10)
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assert slider.val == 10
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# check the dimension of the slider patch in axes units
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box = slider.poly.get_extents().transformed(ax.transAxes.inverted())
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assert_allclose(box.bounds, [0, 0, 1, 10/24])
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@pytest.mark.parametrize("orientation", ["horizontal", "vertical"])
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def test_range_slider(orientation):
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if orientation == "vertical":
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idx = [1, 0, 3, 2]
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else:
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idx = [0, 1, 2, 3]
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fig, ax = plt.subplots()
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slider = widgets.RangeSlider(
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ax=ax, label="", valmin=0.0, valmax=1.0, orientation=orientation,
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valinit=[0.1, 0.34]
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)
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box = slider.poly.get_extents().transformed(ax.transAxes.inverted())
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assert_allclose(box.get_points().flatten()[idx], [0.1, 0, 0.34, 1])
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# Check initial value is set correctly
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assert_allclose(slider.val, (0.1, 0.34))
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slider.set_val((0.2, 0.6))
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assert_allclose(slider.val, (0.2, 0.6))
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box = slider.poly.get_extents().transformed(ax.transAxes.inverted())
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assert_allclose(box.get_points().flatten()[idx], [0.2, 0, 0.6, 1])
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slider.set_val((0.2, 0.1))
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assert_allclose(slider.val, (0.1, 0.2))
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slider.set_val((-1, 10))
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assert_allclose(slider.val, (0, 1))
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def check_polygon_selector(event_sequence, expected_result, selections_count):
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"""
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Helper function to test Polygon Selector.
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Parameters
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----------
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event_sequence : list of tuples (etype, dict())
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A sequence of events to perform. The sequence is a list of tuples
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where the first element of the tuple is an etype (e.g., 'onmove',
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'press', etc.), and the second element of the tuple is a dictionary of
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the arguments for the event (e.g., xdata=5, key='shift', etc.).
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expected_result : list of vertices (xdata, ydata)
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The list of vertices that are expected to result from the event
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sequence.
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selections_count : int
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Wait for the tool to call its `onselect` function `selections_count`
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times, before comparing the result to the `expected_result`
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"""
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ax = get_ax()
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ax._selections_count = 0
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def onselect(vertices):
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ax._selections_count += 1
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ax._current_result = vertices
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tool = widgets.PolygonSelector(ax, onselect)
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for (etype, event_args) in event_sequence:
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do_event(tool, etype, **event_args)
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assert ax._selections_count == selections_count
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assert ax._current_result == expected_result
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def polygon_place_vertex(xdata, ydata):
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return [('onmove', dict(xdata=xdata, ydata=ydata)),
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('press', dict(xdata=xdata, ydata=ydata)),
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('release', dict(xdata=xdata, ydata=ydata))]
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def test_polygon_selector():
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# Simple polygon
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expected_result = [(50, 50), (150, 50), (50, 150)]
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event_sequence = (polygon_place_vertex(50, 50)
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+ polygon_place_vertex(150, 50)
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+ polygon_place_vertex(50, 150)
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+ polygon_place_vertex(50, 50))
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check_polygon_selector(event_sequence, expected_result, 1)
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# Move first vertex before completing the polygon.
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expected_result = [(75, 50), (150, 50), (50, 150)]
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event_sequence = (polygon_place_vertex(50, 50)
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+ polygon_place_vertex(150, 50)
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+ [('on_key_press', dict(key='control')),
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('onmove', dict(xdata=50, ydata=50)),
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('press', dict(xdata=50, ydata=50)),
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('onmove', dict(xdata=75, ydata=50)),
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('release', dict(xdata=75, ydata=50)),
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('on_key_release', dict(key='control'))]
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+ polygon_place_vertex(50, 150)
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+ polygon_place_vertex(75, 50))
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check_polygon_selector(event_sequence, expected_result, 1)
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# Move first two vertices at once before completing the polygon.
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expected_result = [(50, 75), (150, 75), (50, 150)]
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event_sequence = (polygon_place_vertex(50, 50)
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+ polygon_place_vertex(150, 50)
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+ [('on_key_press', dict(key='shift')),
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('onmove', dict(xdata=100, ydata=100)),
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('press', dict(xdata=100, ydata=100)),
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('onmove', dict(xdata=100, ydata=125)),
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('release', dict(xdata=100, ydata=125)),
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('on_key_release', dict(key='shift'))]
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+ polygon_place_vertex(50, 150)
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+ polygon_place_vertex(50, 75))
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check_polygon_selector(event_sequence, expected_result, 1)
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# Move first vertex after completing the polygon.
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expected_result = [(75, 50), (150, 50), (50, 150)]
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event_sequence = (polygon_place_vertex(50, 50)
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+ polygon_place_vertex(150, 50)
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+ polygon_place_vertex(50, 150)
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+ polygon_place_vertex(50, 50)
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+ [('onmove', dict(xdata=50, ydata=50)),
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('press', dict(xdata=50, ydata=50)),
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('onmove', dict(xdata=75, ydata=50)),
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('release', dict(xdata=75, ydata=50))])
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check_polygon_selector(event_sequence, expected_result, 2)
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# Move all vertices after completing the polygon.
|
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expected_result = [(75, 75), (175, 75), (75, 175)]
|
||||
event_sequence = (polygon_place_vertex(50, 50)
|
||||
+ polygon_place_vertex(150, 50)
|
||||
+ polygon_place_vertex(50, 150)
|
||||
+ polygon_place_vertex(50, 50)
|
||||
+ [('on_key_press', dict(key='shift')),
|
||||
('onmove', dict(xdata=100, ydata=100)),
|
||||
('press', dict(xdata=100, ydata=100)),
|
||||
('onmove', dict(xdata=125, ydata=125)),
|
||||
('release', dict(xdata=125, ydata=125)),
|
||||
('on_key_release', dict(key='shift'))])
|
||||
check_polygon_selector(event_sequence, expected_result, 2)
|
||||
|
||||
# Try to move a vertex and move all before placing any vertices.
|
||||
expected_result = [(50, 50), (150, 50), (50, 150)]
|
||||
event_sequence = ([('on_key_press', dict(key='control')),
|
||||
('onmove', dict(xdata=100, ydata=100)),
|
||||
('press', dict(xdata=100, ydata=100)),
|
||||
('onmove', dict(xdata=125, ydata=125)),
|
||||
('release', dict(xdata=125, ydata=125)),
|
||||
('on_key_release', dict(key='control')),
|
||||
('on_key_press', dict(key='shift')),
|
||||
('onmove', dict(xdata=100, ydata=100)),
|
||||
('press', dict(xdata=100, ydata=100)),
|
||||
('onmove', dict(xdata=125, ydata=125)),
|
||||
('release', dict(xdata=125, ydata=125)),
|
||||
('on_key_release', dict(key='shift'))]
|
||||
+ polygon_place_vertex(50, 50)
|
||||
+ polygon_place_vertex(150, 50)
|
||||
+ polygon_place_vertex(50, 150)
|
||||
+ polygon_place_vertex(50, 50))
|
||||
check_polygon_selector(event_sequence, expected_result, 1)
|
||||
|
||||
# Try to place vertex out-of-bounds, then reset, and start a new polygon.
|
||||
expected_result = [(50, 50), (150, 50), (50, 150)]
|
||||
event_sequence = (polygon_place_vertex(50, 50)
|
||||
+ polygon_place_vertex(250, 50)
|
||||
+ [('on_key_press', dict(key='escape')),
|
||||
('on_key_release', dict(key='escape'))]
|
||||
+ polygon_place_vertex(50, 50)
|
||||
+ polygon_place_vertex(150, 50)
|
||||
+ polygon_place_vertex(50, 150)
|
||||
+ polygon_place_vertex(50, 50))
|
||||
check_polygon_selector(event_sequence, expected_result, 1)
|
||||
|
||||
|
||||
@pytest.mark.parametrize(
|
||||
"horizOn, vertOn",
|
||||
[(True, True), (True, False), (False, True)],
|
||||
)
|
||||
def test_MultiCursor(horizOn, vertOn):
|
||||
fig, (ax1, ax2, ax3) = plt.subplots(3, sharex=True)
|
||||
|
||||
# useblit=false to avoid having to draw the figure to cache the renderer
|
||||
multi = widgets.MultiCursor(
|
||||
fig.canvas, (ax1, ax2), useblit=False, horizOn=horizOn, vertOn=vertOn
|
||||
)
|
||||
|
||||
# Only two of the axes should have a line drawn on them.
|
||||
if vertOn:
|
||||
assert len(multi.vlines) == 2
|
||||
if horizOn:
|
||||
assert len(multi.hlines) == 2
|
||||
|
||||
# mock a motion_notify_event
|
||||
# Can't use `do_event` as that helper requires the widget
|
||||
# to have a single .ax attribute.
|
||||
event = mock_event(ax1, xdata=.5, ydata=.25)
|
||||
multi.onmove(event)
|
||||
|
||||
# the lines in the first two ax should both move
|
||||
for l in multi.vlines:
|
||||
assert l.get_xdata() == (.5, .5)
|
||||
for l in multi.hlines:
|
||||
assert l.get_ydata() == (.25, .25)
|
||||
|
||||
# test a move event in an axes not part of the MultiCursor
|
||||
# the lines in ax1 and ax2 should not have moved.
|
||||
event = mock_event(ax3, xdata=.75, ydata=.75)
|
||||
multi.onmove(event)
|
||||
for l in multi.vlines:
|
||||
assert l.get_xdata() == (.5, .5)
|
||||
for l in multi.hlines:
|
||||
assert l.get_ydata() == (.25, .25)
|
Reference in New Issue
Block a user