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Added descriptive errors to imagedraw tests

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Terseus 2014-04-06 13:57:34 +02:00
parent 8eae39e98f
commit 92dd58c014
1 changed files with 13 additions and 25 deletions
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38
Tests/test_imagedraw.py
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@ -46,22 +46,18 @@ def create_base_image_draw(size, mode=DEFAULT_MODE, background1=WHITE, backgroun
def test_square():
expected = Image.open(os.path.join(IMAGES_PATH, 'square.png'))
expected.load()
# Normal polygon
img, draw = create_base_image_draw((10, 10))
draw.polygon([(2, 2), (2, 7), (7, 7), (7, 2)], BLACK)
assert_image_equal(img, expected)
# Inverted polygon
assert_image_equal(img, expected, 'square as normal polygon failed')
img, draw = create_base_image_draw((10, 10))
draw.polygon([(7, 7), (7, 2), (2, 2), (2, 7)], BLACK)
assert_image_equal(img, expected)
# Normal rectangle
assert_image_equal(img, expected, 'square as inverted polygon failed')
img, draw = create_base_image_draw((10, 10))
draw.rectangle((2, 2, 7, 7), BLACK)
assert_image_equal(img, expected)
# Inverted rectangle
assert_image_equal(img, expected, 'square as normal rectangle failed')
img, draw = create_base_image_draw((10, 10))
draw.rectangle((7, 7, 2, 2), BLACK)
assert_image_equal(img, expected)
assert_image_equal(img, expected, 'square as inverted rectangle failed')
def test_triangle_right():
@ -69,54 +65,46 @@ def test_triangle_right():
expected.load()
img, draw = create_base_image_draw((20, 20))
draw.polygon([(3, 5), (17, 5), (10, 12)], BLACK)
assert_image_equal(img, expected)
assert_image_equal(img, expected, 'triangle right failed')
def test_line_horizontal():
# Normal 2px line
expected = Image.open(os.path.join(IMAGES_PATH, 'line_horizontal_w2px_normal.png'))
expected.load()
img, draw = create_base_image_draw((20, 20))
draw.line((5, 5, 14, 5), BLACK, 2)
assert_image_equal(img, expected)
# Inverted 2px line
assert_image_equal(img, expected, 'line straigth horizontal normal 2px wide failed')
expected = Image.open(os.path.join(IMAGES_PATH, 'line_horizontal_w2px_inverted.png'))
expected.load()
img, draw = create_base_image_draw((20, 20))
draw.line((14, 5, 5, 5), BLACK, 2)
assert_image_equal(img, expected)
# Normal 3px line
assert_image_equal(img, expected, 'line straigth horizontal inverted 2px wide failed')
expected = Image.open(os.path.join(IMAGES_PATH, 'line_horizontal_w3px.png'))
expected.load()
img, draw = create_base_image_draw((20, 20))
draw.line((5, 5, 14, 5), BLACK, 3)
assert_image_equal(img, expected)
# Inverted 3px line
assert_image_equal(img, expected, 'line straigth horizontal normal 3px wide failed')
img, draw = create_base_image_draw((20, 20))
draw.line((14, 5, 5, 5), BLACK, 3)
assert_image_equal(img, expected)
assert_image_equal(img, expected, 'line straigth horizontal inverted 3px wide failed')
def test_line_vertical():
# Normal 2px line
expected = Image.open(os.path.join(IMAGES_PATH, 'line_vertical_w2px_normal.png'))
expected.load()
img, draw = create_base_image_draw((20, 20))
draw.line((5, 5, 5, 14), BLACK, 2)
assert_image_equal(img, expected)
# Inverted 2px line
assert_image_equal(img, expected, 'line straigth vertical normal 2px wide failed')
expected = Image.open(os.path.join(IMAGES_PATH, 'line_vertical_w2px_inverted.png'))
expected.load()
img, draw = create_base_image_draw((20, 20))
draw.line((5, 14, 5, 5), BLACK, 2)
assert_image_equal(img, expected)
# Normal 3px line
assert_image_equal(img, expected, 'line straigth vertical inverted 2px wide failed')
expected = Image.open(os.path.join(IMAGES_PATH, 'line_vertical_w3px.png'))
expected.load()
img, draw = create_base_image_draw((20, 20))
draw.line((5, 5, 5, 14), BLACK, 3)
assert_image_equal(img, expected)
# Inverted 3px line
assert_image_equal(img, expected, 'line straigth vertical normal 3px wide failed')
img, draw = create_base_image_draw((20, 20))
draw.line((5, 14, 5, 5), BLACK, 3)
assert_image_equal(img, expected)
assert_image_equal(img, expected, 'line straigth vertical inverted 3px wide failed')