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# -*- coding: utf-8 -*-
"""Tests for ColorbarVWidget.
All images are of size (100,100) to keep a small file size
"""
from vispy.scene.widgets import ColorBarWidget
from vispy.testing import (requires_application, TestingCanvas,
run_tests_if_main)
from vispy.testing.image_tester import assert_image_approved
def create_colorbar(pos, orientation, label='label string here'):
colorbar = ColorBarWidget(pos=pos,
orientation=orientation,
label=label,
cmap='autumn',
border_color='white',
border_width=2)
colorbar.label.color = 'white'
colorbar.label.font_size = 5
colorbar.ticks[0].color = 'white'
colorbar.ticks[0].font_size = 5
colorbar.ticks[1].color = 'white'
colorbar.ticks[1].font_size = 5
return colorbar
@requires_application()
def test_colorbar_widget():
with TestingCanvas() as c:
colorbar_top = create_colorbar(pos=(50, 50),
label="my label",
orientation='top')
c.draw_visual(colorbar_top)
assert_image_approved(c.render(), 'visuals/colorbar/top.png')
assert colorbar_top.label.text == "my label"
run_tests_if_main()
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