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Test getting DPI from EXIF

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Hugo 2017-03-14 11:26:11 +02:00
parent 8b649d6e79
commit 92acfca46f
2 changed files with 10 additions and 2 deletions
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Tests/test_file_jpeg.py
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@ -167,14 +167,14 @@ class TestFileJpeg(PillowTestCase):
def test_progressive_large_buffer_highest_quality(self): def test_progressive_large_buffer_highest_quality(self):
f = self.tempfile('temp.jpg') f = self.tempfile('temp.jpg')
im = self.gen_random_image((255,255)) im = self.gen_random_image((255, 255))
# this requires more bytes than pixels in the image # this requires more bytes than pixels in the image
im.save(f, format="JPEG", progressive=True, quality=100) im.save(f, format="JPEG", progressive=True, quality=100)
def test_progressive_cmyk_buffer(self): def test_progressive_cmyk_buffer(self):
# Issue 2272, quality 90 cmyk image is tripping the large buffer bug. # Issue 2272, quality 90 cmyk image is tripping the large buffer bug.
f = BytesIO() f = BytesIO()
im = self.gen_random_image((256,256), 'CMYK') im = self.gen_random_image((256, 256), 'CMYK')
im.save(f, format='JPEG', progressive=True, quality=94) im.save(f, format='JPEG', progressive=True, quality=94)
def test_large_exif(self): def test_large_exif(self):
@ -500,6 +500,14 @@ class TestFileJpeg(PillowTestCase):
reloaded.load() reloaded.load()
self.assertEqual(im.info['dpi'], reloaded.info['dpi']) self.assertEqual(im.info['dpi'], reloaded.info['dpi'])
def test_dpi_from_exif(self):
# Arrange
# This Photoshop CC 2017 image has DPI in EXIF not metadata
im = Image.open("Tests/images/photoshop-200dpi.jpg")
# Act / Assert
self.assertEqual(im.info.get("dpi"), 200)
if __name__ == '__main__': if __name__ == '__main__':
unittest.main() unittest.main()