setop/python-escpos
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reformat codebase

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This commit is contained in:
Patrick Kanzler
2021-10-30 18:15:22 +02:00
parent 109a5d8a92
commit 435f2bba24
41 changed files with 1706 additions and 1398 deletions
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50
test/test_image.py
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@@ -15,57 +15,67 @@ def test_image_black():
"""
Test rendering solid black image
"""
for img_format in ['png', 'jpg', 'gif']:
_load_and_check_img('canvas_black.' + img_format, 1, 1, b'\x80', [b'\x80'])
for img_format in ["png", "jpg", "gif"]:
_load_and_check_img("canvas_black." + img_format, 1, 1, b"\x80", [b"\x80"])
def test_image_black_transparent():
"""
Test rendering black/transparent image
"""
for img_format in ['png', 'gif']:
_load_and_check_img('black_transparent.' + img_format, 2, 2, b'\xc0\x00', [b'\x80\x80'])
for img_format in ["png", "gif"]:
_load_and_check_img(
"black_transparent." + img_format, 2, 2, b"\xc0\x00", [b"\x80\x80"]
)
def test_image_black_white():
"""
Test rendering black/white image
"""
for img_format in ['png', 'jpg', 'gif']:
_load_and_check_img('black_white.' + img_format, 2, 2, b'\xc0\x00', [b'\x80\x80'])
for img_format in ["png", "jpg", "gif"]:
_load_and_check_img(
"black_white." + img_format, 2, 2, b"\xc0\x00", [b"\x80\x80"]
)
def test_image_white():
"""
Test rendering solid white image
"""
for img_format in ['png', 'jpg', 'gif']:
_load_and_check_img('canvas_white.' + img_format, 1, 1, b'\x00', [b'\x00'])
for img_format in ["png", "jpg", "gif"]:
_load_and_check_img("canvas_white." + img_format, 1, 1, b"\x00", [b"\x00"])
def test_split():
"""
test whether the split-function works as expected
"""
im = EscposImage('test/resources/black_white.png')
im = EscposImage("test/resources/black_white.png")
(upper_part, lower_part) = im.split(1)
upper_part = EscposImage(upper_part)
lower_part = EscposImage(lower_part)
assert(upper_part.width == lower_part.width == 2)
assert(upper_part.height == lower_part.height == 1)
assert(upper_part.to_raster_format() == b'\xc0')
assert(lower_part.to_raster_format() == b'\x00')
assert upper_part.width == lower_part.width == 2
assert upper_part.height == lower_part.height == 1
assert upper_part.to_raster_format() == b"\xc0"
assert lower_part.to_raster_format() == b"\x00"
def _load_and_check_img(filename, width_expected, height_expected, raster_format_expected, column_format_expected):
def _load_and_check_img(
filename,
width_expected,
height_expected,
raster_format_expected,
column_format_expected,
):
"""
Load an image, and test whether raster & column formatted output, sizes, etc match expectations.
"""
im = EscposImage('test/resources/' + filename)
assert(im.width == width_expected)
assert(im.height == height_expected)
assert(im.to_raster_format() == raster_format_expected)
i = 0
im = EscposImage("test/resources/" + filename)
assert im.width == width_expected
assert im.height == height_expected
assert im.to_raster_format() == raster_format_expected
i = 0
for row in im.to_column_format(False):
assert(row == column_format_expected[i])
assert row == column_format_expected[i]
i += 1