def test_image_transcoding_bypass(space_resource, format):
"""
Test that JPEGs and PNGs bypass transcoding
"""
data = get_test_image_data(format=format)
ri = ResourceImage(resource=space_resource,
sort_order=8,
type="main",
image=ContentFile(data, name="nice.%s" % format))
ri.full_clean()
assert ri.image_format == format # Transcoding did not occur
assert Image.open(ri.image).format == format # no, no transcoding
ri.image.seek(0) # PIL may have `seek`ed or read the stream
assert ri.image.read() == data # the bitstream is identical
def test_image_transcoding(space_resource, format, image_type):
"""
Test that images get transcoded into JPEG or PNG if they're not JPEG/PNG
"""
data = get_test_image_data(format=format)
ri = ResourceImage(resource=space_resource,
sort_order=8,
type=image_type,
image=ContentFile(data, name="long_horse.%s" % format))
expected_format = ("PNG" if image_type in ("map",
"ground_plan") else "JPEG")
ri.full_clean()
assert ri.image_format == expected_format # Transcoding occurred
assert Image.open(ri.image).format == expected_format # .. it really did!
def test_image_transcoding(space_resource, format, image_type):
"""
Test that images get transcoded into JPEG or PNG if they're not JPEG/PNG
"""
data = get_test_image_data(format=format)
ri = ResourceImage(
resource=space_resource,
sort_order=8,
type=image_type,
image=ContentFile(data, name="long_horse.%s" % format)
)
expected_format = ("PNG" if image_type in ("map", "ground_plan") else "JPEG")
ri.full_clean()
assert ri.image_format == expected_format # Transcoding occurred
assert Image.open(ri.image).format == expected_format # .. it really did!
def test_image_transcoding_bypass(space_resource, format):
"""
Test that JPEGs and PNGs bypass transcoding
"""
data = get_test_image_data(format=format)
ri = ResourceImage(
resource=space_resource,
sort_order=8,
type="main",
image=ContentFile(data, name="nice.%s" % format)
)
ri.full_clean()
assert ri.image_format == format # Transcoding did not occur
assert Image.open(ri.image).format == format # no, no transcoding
ri.image.seek(0) # PIL may have `seek`ed or read the stream
assert ri.image.read() == data # the bitstream is identical
