mirror of
https://github.com/python-pillow/Pillow.git
synced 2024-09-21 11:28:58 +03:00
Convert more tests
This commit is contained in:
hugovk
parent
34db40ddce
commit
3fda42d280
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@ -1,14 +0,0 @@
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from tester import *
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from PIL import Image
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# sample ppm stream
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file = "Images/lena.fli"
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data = open(file, "rb").read()
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def test_sanity():
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im = Image.open(file)
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im.load()
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assert_equal(im.mode, "P")
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assert_equal(im.size, (128, 128))
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assert_equal(im.format, "FLI")
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@ -1,36 +0,0 @@
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from tester import *
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from PIL import Image
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def test_sanity():
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bbox = lena().getbbox()
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assert_true(isinstance(bbox, tuple))
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def test_bbox():
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# 8-bit mode
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im = Image.new("L", (100, 100), 0)
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assert_equal(im.getbbox(), None)
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im.paste(255, (10, 25, 90, 75))
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assert_equal(im.getbbox(), (10, 25, 90, 75))
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im.paste(255, (25, 10, 75, 90))
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assert_equal(im.getbbox(), (10, 10, 90, 90))
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im.paste(255, (-10, -10, 110, 110))
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assert_equal(im.getbbox(), (0, 0, 100, 100))
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# 32-bit mode
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im = Image.new("RGB", (100, 100), 0)
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assert_equal(im.getbbox(), None)
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im.paste(255, (10, 25, 90, 75))
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assert_equal(im.getbbox(), (10, 25, 90, 75))
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im.paste(255, (25, 10, 75, 90))
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assert_equal(im.getbbox(), (10, 10, 90, 90))
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im.paste(255, (-10, -10, 110, 110))
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assert_equal(im.getbbox(), (0, 0, 100, 100))
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@ -1,49 +0,0 @@
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from tester import *
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from PIL import Image
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Image.USE_CFFI_ACCESS=False
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def color(mode):
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bands = Image.getmodebands(mode)
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if bands == 1:
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return 1
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else:
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return tuple(range(1, bands+1))
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def check(mode, c=None):
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if not c:
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c = color(mode)
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#check putpixel
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im = Image.new(mode, (1, 1), None)
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im.putpixel((0, 0), c)
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assert_equal(im.getpixel((0, 0)), c,
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"put/getpixel roundtrip failed for mode %s, color %s" %
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(mode, c))
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# check inital color
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im = Image.new(mode, (1, 1), c)
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assert_equal(im.getpixel((0, 0)), c,
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"initial color failed for mode %s, color %s " %
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(mode, color))
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def test_basic():
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for mode in ("1", "L", "LA", "I", "I;16", "I;16B", "F",
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"P", "PA", "RGB", "RGBA", "RGBX", "CMYK","YCbCr"):
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check(mode)
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def test_signedness():
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# see https://github.com/python-pillow/Pillow/issues/452
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# pixelaccess is using signed int* instead of uint*
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for mode in ("I;16", "I;16B"):
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check(mode, 2**15-1)
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check(mode, 2**15)
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check(mode, 2**15+1)
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check(mode, 2**16-1)
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@ -1,135 +0,0 @@
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from tester import *
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from PIL import Image
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from io import BytesIO
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import os
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try:
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from PIL import ImageFont
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ImageFont.core.getfont # check if freetype is available
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except ImportError:
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skip()
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from PIL import ImageDraw
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font_path = "Tests/fonts/FreeMono.ttf"
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font_size=20
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def test_sanity():
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assert_match(ImageFont.core.freetype2_version, "\d+\.\d+\.\d+$")
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def test_font_with_name():
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assert_no_exception(lambda: ImageFont.truetype(font_path, font_size))
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assert_no_exception(lambda: _render(font_path))
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_clean()
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def _font_as_bytes():
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with open(font_path, 'rb') as f:
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font_bytes = BytesIO(f.read())
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return font_bytes
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def test_font_with_filelike():
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assert_no_exception(lambda: ImageFont.truetype(_font_as_bytes(), font_size))
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assert_no_exception(lambda: _render(_font_as_bytes()))
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# Usage note: making two fonts from the same buffer fails.
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#shared_bytes = _font_as_bytes()
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#assert_no_exception(lambda: _render(shared_bytes))
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#assert_exception(Exception, lambda: _render(shared_bytes))
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_clean()
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def test_font_with_open_file():
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with open(font_path, 'rb') as f:
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assert_no_exception(lambda: _render(f))
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_clean()
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def test_font_old_parameters():
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assert_warning(DeprecationWarning, lambda: ImageFont.truetype(filename=font_path, size=font_size))
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def _render(font):
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txt = "Hello World!"
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ttf = ImageFont.truetype(font, font_size)
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w, h = ttf.getsize(txt)
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img = Image.new("RGB", (256, 64), "white")
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d = ImageDraw.Draw(img)
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d.text((10, 10), txt, font=ttf, fill='black')
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img.save('font.png')
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return img
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def _clean():
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os.unlink('font.png')
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def test_render_equal():
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img_path = _render(font_path)
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with open(font_path, 'rb') as f:
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font_filelike = BytesIO(f.read())
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img_filelike = _render(font_filelike)
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assert_image_equal(img_path, img_filelike)
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_clean()
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def test_render_multiline():
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im = Image.new(mode='RGB', size=(300,100))
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draw = ImageDraw.Draw(im)
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ttf = ImageFont.truetype(font_path, font_size)
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line_spacing = draw.textsize('A', font=ttf)[1] + 8
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lines = ['hey you', 'you are awesome', 'this looks awkward']
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y = 0
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for line in lines:
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draw.text((0, y), line, font=ttf)
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y += line_spacing
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target = 'Tests/images/multiline_text.png'
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target_img = Image.open(target)
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# some versions of freetype have different horizontal spacing.
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# setting a tight epsilon, I'm showing the original test failure
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# at epsilon = ~38.
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assert_image_similar(im, target_img,.5)
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def test_rotated_transposed_font():
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img_grey = Image.new("L", (100, 100))
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draw = ImageDraw.Draw(img_grey)
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word = "testing"
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font = ImageFont.truetype(font_path, font_size)
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orientation = Image.ROTATE_90
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transposed_font = ImageFont.TransposedFont(font, orientation=orientation)
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# Original font
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draw.setfont(font)
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box_size_a = draw.textsize(word)
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# Rotated font
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draw.setfont(transposed_font)
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box_size_b = draw.textsize(word)
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# Check (w,h) of box a is (h,w) of box b
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assert_equal(box_size_a[0], box_size_b[1])
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assert_equal(box_size_a[1], box_size_b[0])
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def test_unrotated_transposed_font():
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img_grey = Image.new("L", (100, 100))
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draw = ImageDraw.Draw(img_grey)
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word = "testing"
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font = ImageFont.truetype(font_path, font_size)
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orientation = None
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transposed_font = ImageFont.TransposedFont(font, orientation=orientation)
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# Original font
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draw.setfont(font)
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box_size_a = draw.textsize(word)
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# Rotated font
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draw.setfont(transposed_font)
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box_size_b = draw.textsize(word)
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# Check boxes a and b are same size
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assert_equal(box_size_a, box_size_b)
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@ -34,6 +34,29 @@ class PillowTestCase(unittest.TestCase):
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a.tobytes(), b.tobytes(),
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msg or "got different content")
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def assert_image_similar(self, a, b, epsilon, msg=None):
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epsilon = float(epsilon)
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self.assertEqual(
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a.mode, b.mode,
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msg or "got mode %r, expected %r" % (a.mode, b.mode))
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self.assertEqual(
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a.size, b.size,
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msg or "got size %r, expected %r" % (a.size, b.size))
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diff = 0
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try:
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ord(b'0')
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for abyte, bbyte in zip(a.tobytes(), b.tobytes()):
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diff += abs(ord(abyte)-ord(bbyte))
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except:
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for abyte, bbyte in zip(a.tobytes(), b.tobytes()):
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diff += abs(abyte-bbyte)
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ave_diff = float(diff)/(a.size[0]*a.size[1])
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self.assertGreaterEqual(
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epsilon, ave_diff,
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msg or "average pixel value difference %.4f > epsilon %.4f" % (
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ave_diff, epsilon))
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def assert_warning(self, warn_class, func):
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import warnings
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@ -169,29 +192,6 @@ def lena(mode="RGB", cache={}):
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# success()
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#
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#
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# def assert_image_similar(a, b, epsilon, msg=None):
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# epsilon = float(epsilon)
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# if a.mode != b.mode:
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# return failure(msg or "got mode %r, expected %r" % (a.mode, b.mode))
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# elif a.size != b.size:
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# return failure(msg or "got size %r, expected %r" % (a.size, b.size))
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# diff = 0
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# try:
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# ord(b'0')
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# for abyte, bbyte in zip(a.tobytes(), b.tobytes()):
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# diff += abs(ord(abyte)-ord(bbyte))
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# except:
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# for abyte, bbyte in zip(a.tobytes(), b.tobytes()):
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# diff += abs(abyte-bbyte)
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# ave_diff = float(diff)/(a.size[0]*a.size[1])
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# if epsilon < ave_diff:
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# return failure(
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# msg or "average pixel value difference %.4f > epsilon %.4f" % (
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# ave_diff, epsilon))
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# else:
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# return success()
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#
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#
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# def tempfile(template, *extra):
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# import os
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# import os.path
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23
test/test_file_fli.py
Normal file
23
test/test_file_fli.py
Normal file
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@ -0,0 +1,23 @@
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from helper import unittest, PillowTestCase
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from PIL import Image
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# sample ppm stream
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file = "Images/lena.fli"
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data = open(file, "rb").read()
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class TestImage(PillowTestCase):
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def test_sanity(self):
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im = Image.open(file)
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im.load()
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self.assertEqual(im.mode, "P")
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self.assertEqual(im.size, (128, 128))
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self.assertEqual(im.format, "FLI")
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if __name__ == '__main__':
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unittest.main()
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# End of file
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45
test/test_image_getbbox.py
Normal file
45
test/test_image_getbbox.py
Normal file
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@ -0,0 +1,45 @@
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from helper import unittest, PillowTestCase, lena
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from PIL import Image
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class TestImage(PillowTestCase):
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def test_sanity(self):
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bbox = lena().getbbox()
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self.assertIsInstance(bbox, tuple)
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def test_bbox(self):
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# 8-bit mode
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im = Image.new("L", (100, 100), 0)
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self.assertEqual(im.getbbox(), None)
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im.paste(255, (10, 25, 90, 75))
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self.assertEqual(im.getbbox(), (10, 25, 90, 75))
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im.paste(255, (25, 10, 75, 90))
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self.assertEqual(im.getbbox(), (10, 10, 90, 90))
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im.paste(255, (-10, -10, 110, 110))
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self.assertEqual(im.getbbox(), (0, 0, 100, 100))
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# 32-bit mode
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im = Image.new("RGB", (100, 100), 0)
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self.assertEqual(im.getbbox(), None)
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im.paste(255, (10, 25, 90, 75))
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self.assertEqual(im.getbbox(), (10, 25, 90, 75))
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im.paste(255, (25, 10, 75, 90))
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self.assertEqual(im.getbbox(), (10, 10, 90, 90))
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im.paste(255, (-10, -10, 110, 110))
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self.assertEqual(im.getbbox(), (0, 0, 100, 100))
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if __name__ == '__main__':
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unittest.main()
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# End of file
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54
test/test_image_getpixel.py
Normal file
54
test/test_image_getpixel.py
Normal file
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@ -0,0 +1,54 @@
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from helper import unittest, PillowTestCase
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from PIL import Image
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Image.USE_CFFI_ACCESS = False
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class TestImage(PillowTestCase):
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def color(self, mode):
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bands = Image.getmodebands(mode)
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if bands == 1:
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return 1
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else:
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return tuple(range(1, bands+1))
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def check(self, mode, c=None):
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if not c:
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c = self.color(mode)
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# check putpixel
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im = Image.new(mode, (1, 1), None)
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im.putpixel((0, 0), c)
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self.assertEqual(
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im.getpixel((0, 0)), c,
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"put/getpixel roundtrip failed for mode %s, color %s" %
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(mode, c))
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# check inital color
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im = Image.new(mode, (1, 1), c)
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self.assertEqual(
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im.getpixel((0, 0)), c,
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"initial color failed for mode %s, color %s " %
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(mode, self.color))
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def test_basic(self):
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for mode in ("1", "L", "LA", "I", "I;16", "I;16B", "F",
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"P", "PA", "RGB", "RGBA", "RGBX", "CMYK", "YCbCr"):
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self.check(mode)
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def test_signedness(self):
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# see https://github.com/python-pillow/Pillow/issues/452
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# pixelaccess is using signed int* instead of uint*
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for mode in ("I;16", "I;16B"):
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self.check(mode, 2**15-1)
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self.check(mode, 2**15)
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self.check(mode, 2**15+1)
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self.check(mode, 2**16-1)
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if __name__ == '__main__':
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unittest.main()
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# End of file
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145
test/test_imagefont.py
Normal file
145
test/test_imagefont.py
Normal file
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@ -0,0 +1,145 @@
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from helper import unittest, PillowTestCase
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from PIL import Image
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from PIL import ImageDraw
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from io import BytesIO
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import os
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font_path = "Tests/fonts/FreeMono.ttf"
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font_size = 20
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try:
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from PIL import ImageFont
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ImageFont.core.getfont # check if freetype is available
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class TestImageFont(PillowTestCase):
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def test_sanity(self):
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self.assertRegexpMatches(
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ImageFont.core.freetype2_version, "\d+\.\d+\.\d+$")
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def test_font_with_name(self):
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ImageFont.truetype(font_path, font_size)
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self._render(font_path)
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self._clean()
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def _font_as_bytes(self):
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with open(font_path, 'rb') as f:
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font_bytes = BytesIO(f.read())
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return font_bytes
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def test_font_with_filelike(self):
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ImageFont.truetype(self._font_as_bytes(), font_size)
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self._render(self._font_as_bytes())
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# Usage note: making two fonts from the same buffer fails.
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# shared_bytes = self._font_as_bytes()
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# self._render(shared_bytes)
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# self.assertRaises(Exception, lambda: _render(shared_bytes))
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self._clean()
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def test_font_with_open_file(self):
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with open(font_path, 'rb') as f:
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self._render(f)
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self._clean()
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def test_font_old_parameters(self):
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self.assert_warning(
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DeprecationWarning,
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lambda: ImageFont.truetype(filename=font_path, size=font_size))
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def _render(self, font):
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txt = "Hello World!"
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ttf = ImageFont.truetype(font, font_size)
|
||||
w, h = ttf.getsize(txt)
|
||||
img = Image.new("RGB", (256, 64), "white")
|
||||
d = ImageDraw.Draw(img)
|
||||
d.text((10, 10), txt, font=ttf, fill='black')
|
||||
|
||||
img.save('font.png')
|
||||
return img
|
||||
|
||||
def _clean(self):
|
||||
os.unlink('font.png')
|
||||
|
||||
def test_render_equal(self):
|
||||
img_path = self._render(font_path)
|
||||
with open(font_path, 'rb') as f:
|
||||
font_filelike = BytesIO(f.read())
|
||||
img_filelike = self._render(font_filelike)
|
||||
|
||||
self.assert_image_equal(img_path, img_filelike)
|
||||
self._clean()
|
||||
|
||||
def test_render_multiline(self):
|
||||
im = Image.new(mode='RGB', size=(300, 100))
|
||||
draw = ImageDraw.Draw(im)
|
||||
ttf = ImageFont.truetype(font_path, font_size)
|
||||
line_spacing = draw.textsize('A', font=ttf)[1] + 8
|
||||
lines = ['hey you', 'you are awesome', 'this looks awkward']
|
||||
y = 0
|
||||
for line in lines:
|
||||
draw.text((0, y), line, font=ttf)
|
||||
y += line_spacing
|
||||
|
||||
target = 'Tests/images/multiline_text.png'
|
||||
target_img = Image.open(target)
|
||||
|
||||
# some versions of freetype have different horizontal spacing.
|
||||
# setting a tight epsilon, I'm showing the original test failure
|
||||
# at epsilon = ~38.
|
||||
self.assert_image_similar(im, target_img, .5)
|
||||
|
||||
def test_rotated_transposed_font(self):
|
||||
img_grey = Image.new("L", (100, 100))
|
||||
draw = ImageDraw.Draw(img_grey)
|
||||
word = "testing"
|
||||
font = ImageFont.truetype(font_path, font_size)
|
||||
|
||||
orientation = Image.ROTATE_90
|
||||
transposed_font = ImageFont.TransposedFont(
|
||||
font, orientation=orientation)
|
||||
|
||||
# Original font
|
||||
draw.setfont(font)
|
||||
box_size_a = draw.textsize(word)
|
||||
|
||||
# Rotated font
|
||||
draw.setfont(transposed_font)
|
||||
box_size_b = draw.textsize(word)
|
||||
|
||||
# Check (w,h) of box a is (h,w) of box b
|
||||
self.assertEqual(box_size_a[0], box_size_b[1])
|
||||
self.assertEqual(box_size_a[1], box_size_b[0])
|
||||
|
||||
def test_unrotated_transposed_font(self):
|
||||
img_grey = Image.new("L", (100, 100))
|
||||
draw = ImageDraw.Draw(img_grey)
|
||||
word = "testing"
|
||||
font = ImageFont.truetype(font_path, font_size)
|
||||
|
||||
orientation = None
|
||||
transposed_font = ImageFont.TransposedFont(
|
||||
font, orientation=orientation)
|
||||
|
||||
# Original font
|
||||
draw.setfont(font)
|
||||
box_size_a = draw.textsize(word)
|
||||
|
||||
# Rotated font
|
||||
draw.setfont(transposed_font)
|
||||
box_size_b = draw.textsize(word)
|
||||
|
||||
# Check boxes a and b are same size
|
||||
self.assertEqual(box_size_a, box_size_b)
|
||||
|
||||
except ImportError:
|
||||
class TestImageFont(PillowTestCase):
|
||||
def test_skip(self):
|
||||
self.skipTest("ImportError")
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
unittest.main()
|
||||
|
||||
# End of file
|
||||
Loading…
Reference in New Issue
Block a user