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add some more webp tests

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This commit is contained in:
John Cupitt 2016-05-17 14:08:46 +01:00
parent 77c9616952
commit 92a6ff19a1
1 changed files with 13 additions and 0 deletions
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13
test/test_foreign.py
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@ -9,6 +9,8 @@ import shutil
#import logging #import logging
#logging.basicConfig(level = logging.DEBUG) #logging.basicConfig(level = logging.DEBUG)
import gi
gi.require_version('Vips', '8.0')
from gi.repository import Vips from gi.repository import Vips
Vips.leak_set(True) Vips.leak_set(True)
@ -266,6 +268,17 @@ class TestForeign(unittest.TestCase):
50) 50)
self.save_load("%s.webp", self.colour) self.save_load("%s.webp", self.colour)
# test lossless mode
im = Vips.Image.new_from_file(self.webp_file)
buf = im.webpsave_buffer(lossless = True)
im2 = Vips.Image.new_from_buffer(buf, "")
self.assertEqual(im.avg(), im2.avg())
# higher Q should mean a bigger buffer
b1 = im.webpsave_buffer(Q = 10)
b2 = im.webpsave_buffer(Q = 90)
self.assertGreater(len(b2), len(b1))
def test_analyzeload(self): def test_analyzeload(self):
x = Vips.type_find("VipsForeign", "analyzeload") x = Vips.type_find("VipsForeign", "analyzeload")
if not x.is_instantiatable(): if not x.is_instantiatable():