def test_resize_image_portrait(tmpdir):
"""Test that the area is the same regardless of aspect ratio."""
size = (300, 200)
settings = create_settings(img_size=size)
portrait_image = 'm57_the_ring_nebula-587px.jpg'
portrait_src = os.path.join(CURRENT_DIR, 'sample', 'pictures', 'dir2',
portrait_image)
portrait_dst = str(tmpdir.join(portrait_image))
generate_image(portrait_src, portrait_dst, settings)
im = PILImage.open(portrait_dst)
# In the default mode, PILKit resizes in a way to never make an image
# smaller than either of the lengths, the other is scaled accordingly.
# Hence we test that the shorter side has the smallest length.
assert im.size[0] == 200
landscape_image = 'KeckObservatory20071020.jpg'
landscape_src = os.path.join(CURRENT_DIR, 'sample', 'pictures', 'dir2',
landscape_image)
landscape_dst = str(tmpdir.join(landscape_image))
generate_image(landscape_src, landscape_dst, settings)
im = PILImage.open(landscape_dst)
assert im.size[1] == 200
def test_generate_image_processor(tmpdir):
"Test generate_image with a wrong processor name."
init_logging()
dstfile = str(tmpdir.join(TEST_IMAGE))
with pytest.raises(SystemExit):
generate_image(SRCFILE, dstfile, (200, 200), None,
method='WrongMethod')
def test_generate_image(tmpdir):
"Test the generate_image function."
dstfile = str(tmpdir.join(TEST_IMAGE))
for size in [(600, 600), (300, 200)]:
generate_image(SRCFILE, dstfile, size, None, method='ResizeToFill')
im = Image.open(dstfile)
assert im.size == size
def test_generate_image_processor(tmpdir):
"Test generate_image with a wrong processor name."
init_logging()
dstfile = str(tmpdir.join(TEST_IMAGE))
with pytest.raises(SystemExit):
settings = create_settings(img_size=(200, 200), img_processor="WrongMethod")
generate_image(SRCFILE, dstfile, settings)
def test_generate_image_passthrough_symlink(tmpdir):
"Test the generate_image function with use_orig=True and orig_link=True."
dstfile = str(tmpdir.join(TEST_IMAGE))
settings = create_settings(use_orig=True, orig_link=True)
generate_image(SRCFILE, dstfile, settings)
# Check the file was symlinked
assert os.path.islink(dstfile)
assert os.path.samefile(SRCFILE, dstfile)
def test_generate_image_passthrough_symlink(tmpdir):
"Test the generate_image function with use_orig=True and orig_link=True."
dstfile = str(tmpdir.join(TEST_IMAGE))
settings = create_settings(use_orig=True, orig_link=True)
generate_image(SRCFILE, dstfile, settings)
# Check the file was symlinked
assert os.path.islink(dstfile)
assert os.path.samefile(SRCFILE, dstfile)
def test_generate_image(tmpdir):
"Test the generate_image function."
dstfile = str(tmpdir.join(TEST_IMAGE))
for size in [(600, 600), (300, 200)]:
settings = create_settings(img_size=size, img_processor='ResizeToFill')
generate_image(SRCFILE, dstfile, settings)
im = Image.open(dstfile)
assert im.size == size
def test_generate_image(tmpdir):
"Test the generate_image function."
dstfile = str(tmpdir.join(TEST_IMAGE))
for size in [(600, 600), (300, 200)]:
settings = create_settings(img_size=size, img_processor='ResizeToFill')
generate_image(SRCFILE, dstfile, settings)
im = Image.open(dstfile)
assert im.size == size
def test_generate_image_processor(tmpdir):
"Test generate_image with a wrong processor name."
init_logging('sigal')
dstfile = str(tmpdir.join(TEST_IMAGE))
settings = create_settings(img_size=(200, 200),
img_processor='WrongMethod')
with pytest.raises(SystemExit):
generate_image(SRCFILE, dstfile, settings)
def test_generate_image_passthrough(tmpdir, image, path):
"Test the generate_image function with use_orig=True."
dstfile = str(tmpdir.join(image))
settings = create_settings(use_orig=True)
generate_image(path, dstfile, settings)
# Check the file was copied, not (sym)linked
st_src = os.stat(path)
st_dst = os.stat(dstfile)
assert st_src.st_size == st_dst.st_size
assert not os.path.samestat(st_src, st_dst)
def test_generate_image(tmpdir):
"Test the generate_image function."
dstfile = str(tmpdir.join(TEST_IMAGE))
for i, size in enumerate([(600, 600), (300, 200)]):
settings = create_settings(img_size=size, img_processor='ResizeToFill',
copy_exif_data=True)
options = None if i == 0 else {'quality': 85}
generate_image(SRCFILE, dstfile, settings, options=options)
im = Image.open(dstfile)
assert im.size == size
def test_generate_image_passthrough(tmpdir, image, path):
"Test the generate_image function with use_orig=True."
dstfile = str(tmpdir.join(image))
settings = create_settings(use_orig=True)
generate_image(path, dstfile, settings)
# Check the file was copied, not (sym)linked
st_src = os.stat(path)
st_dst = os.stat(dstfile)
assert st_src.st_size == st_dst.st_size
assert not os.path.samestat(st_src, st_dst)
def test_generate_image(tmpdir):
"Test the generate_image function."
dstfile = str(tmpdir.join(TEST_IMAGE))
for i, size in enumerate([(600, 600), (300, 200)]):
settings = create_settings(img_size=size, img_processor='ResizeToFill',
copy_exif_data=True)
options = None if i == 0 else {'quality': 85}
generate_image(SRCFILE, dstfile, settings, options=options)
im = Image.open(dstfile)
assert im.size == size
def test_generate_image_imgformat(tmpdir):
"Test the effects of the img_format setting on generate_image."
dstfile = str(tmpdir.join(TEST_IMAGE))
for i, outfmt in enumerate(["JPEG", "PNG", "TIFF"]):
settings = create_settings(img_size=(300,300), img_processor='ResizeToFill',
copy_exif_data=True, img_format=outfmt)
options = {'quality': 85}
generate_image(SRCFILE, dstfile, settings, options=options)
im = Image.open(dstfile)
assert im.format == outfmt
def test_exif_copy(tmpdir):
"Test if EXIF data can transferred copied to the resized image."
test_image = '11.jpg'
src_file = os.path.join(CURRENT_DIR, 'sample', 'pictures', 'dir1', 'test1',
test_image)
dst_file = str(tmpdir.join(test_image))
settings = create_settings(img_size=(300, 400), copy_exif_data=True)
generate_image(src_file, dst_file, settings)
simple = get_exif_tags(get_exif_data(dst_file))
assert simple['iso'] == 50
settings['copy_exif_data'] = False
generate_image(src_file, dst_file, settings)
simple = get_exif_tags(get_exif_data(dst_file))
assert not simple
def test_exif_gps(tmpdir):
"""Test reading out correct geo tags"""
test_image = 'flickr_jerquiaga_2394751088_cc-by-nc.jpg'
src_file = os.path.join(CURRENT_DIR, 'sample', 'pictures', 'dir1', 'test1',
test_image)
dst_file = str(tmpdir.join(test_image))
settings = create_settings(img_size=(400, 300), copy_exif_data=True)
generate_image(src_file, dst_file, settings)
simple = get_exif_tags(get_exif_data(dst_file))
assert 'gps' in simple
lat = 34.029167
lon = -116.144167
assert abs(simple['gps']['lat'] - lat) < 0.0001
assert abs(simple['gps']['lon'] - lon) < 0.0001
