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import unittest
import os
import sys
from unittest.mock import MagicMock
from asciimatics.renderers import ImageFile, ColourImageFile
from asciimatics.screen import Screen, Canvas
if sys.platform != "win32":
import curses
class TestRendererImages(unittest.TestCase):
def test_image_files(self):
"""
Check that the ImageFile renderer works.
"""
renderer = ImageFile(
os.path.join(os.path.dirname(__file__), "globe.gif"), height=10)
# Check renderer got all images from the file.
count = 0
for image in renderer.images:
count += 1
self.assertIsNotNone(image)
self.assertIsNotNone(len(image) <= renderer.max_height)
self.assertEqual(count, 11)
# Check an image looks plausible
image = next(renderer.images)
self.maxDiff = None
self.assertEqual(
image,
[' sA3h3h3Hr2 ',
' ;:;G#99G@&3;;;r ',
' :::#9&&@@G;rrrr;;3 ',
'.:;;A&@AAGsssssrr;#H',
'::;;;r39@srssssrr;A2',
'.::;;rrrrr@@@@9;r;;A',
's::;;;;rr2@@@@@@#;; ',
' s:::;;;;;;9&&&3;: ',
' .:::;;;;9#r::2 ',
' s.::r:; '])
def test_image_files_256(self):
"""
Check that the ImageFile renderer works.
"""
renderer = ImageFile(
os.path.join(os.path.dirname(__file__), "globe.gif"), height=10, colours=256)
# Check an image looks plausible
image = next(renderer.images)
self.maxDiff = None
self.assertEqual(
image,
[' sA3h3h3Hr2 ',
' ;:;G#99G@&3;;;r ',
' :::#9&&@@G;rrrr;;3 ',
'.:;;A&@AAGsssssrr;#H',
'::;;;r39@srssssrr;A2',
'.::;;rrrrr@@@@9;r;;A',
's::;;;;rr2@@@@@@#;; ',
' s:::;;;;;;9&&&3;: ',
' .:::;;;;9#r::2 ',
' s.::r:; '])
def test_colour_image_file(self):
"""
Check that the ColourImageFile renderer works.
"""
def internal_checks(screen):
# Check the original FG only rendering
renderer = ColourImageFile(
screen,
os.path.join(os.path.dirname(__file__), "globe.gif"),
height=10)
# Check renderer got all images from the file.
count = 0
for image in renderer.images:
count += 1
self.assertIsNotNone(image)
self.assertIsNotNone(len(image) <= renderer.max_height)
self.assertEqual(count, 11)
# Check an image looks plausible
image = next(renderer.images)
self.maxDiff = None
self.assertEqual(
image,
[' ########## ',
' ############### ',
' ################## ',
'####################',
'####################',
'####################',
'################### ',
' ################# ',
' ############## ',
' ####### '])
# Also check the BG rendering
renderer2 = ColourImageFile(
screen,
os.path.join(os.path.dirname(__file__), "globe.gif"),
fill_background=True,
height=10)
# Check BG rendering doesn't change the visible text output.
# Note that BG rendering needs to print dots for some terminals.
image2 = [x.replace(".", " ") for x in next(renderer2.images)]
self.assertEqual(image, image2)
# Check BG rendering gives same colours for FG and BG as original
# rendering
for a, b in zip(renderer.rendered_text[1],
renderer2.rendered_text[1]):
for attr1, attr2 in zip(a, b):
if attr1[0] is None:
self.assertEqual(0, attr2[0])
self.assertEqual(0, attr2[2])
else:
self.assertEqual(attr1[0], attr2[0])
self.assertEqual(attr2[0], attr2[2])
# Mock screen for better coverage.
screen = MagicMock(spec=Screen, colours=16, unicode_aware=True, palette=Screen._8_palette)
canvas = Canvas(screen, 15, 40, 0, 0)
internal_checks(screen)
def test_uni_image_files(self):
"""
Check that the unicode ColourImageFile rendering works.
"""
def internal_checks(screen):
# Check the original FG only rendering
renderer = ColourImageFile(
screen,
os.path.join(os.path.dirname(__file__), "globe.gif"),
height=10, uni=True, dither=True)
# Check renderer got all images from the file.
count = 0
for image in renderer.images:
count += 1
self.assertIsNotNone(image)
self.assertIsNotNone(len(image) <= renderer.max_height)
self.assertEqual(count, 11)
# Check an image looks plausible
image = next(renderer.images)
self.assertEqual(
image,
['....▄▄▄▄▄▄▄▄▄▄▄▄.....',
'..▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄...',
'.▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄..',
'▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄.',
'▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄.',
'▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄.',
'▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄..',
'.▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄..',
'..▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄....',
'.....▄▄▄▄▄▄▄▄▄▄......'])
# Mock screen for better coverage.
screen = MagicMock(spec=Screen, colours=16, unicode_aware=True, palette=Screen._8_palette)
canvas = Canvas(screen, 15, 40, 0, 0)
internal_checks(screen)
if __name__ == '__main__':
unittest.main()
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