mirror of
https://github.com/python-pillow/Pillow.git
synced 2024-11-14 05:36:48 +03:00
130 lines
3.0 KiB
Python
130 lines
3.0 KiB
Python
import pytest
|
|
from PIL import Image, PsdImagePlugin
|
|
|
|
from .helper import assert_image_similar, hopper, is_pypy
|
|
|
|
test_file = "Tests/images/hopper.psd"
|
|
|
|
|
|
def test_sanity():
|
|
with Image.open(test_file) as im:
|
|
im.load()
|
|
assert im.mode == "RGB"
|
|
assert im.size == (128, 128)
|
|
assert im.format == "PSD"
|
|
|
|
im2 = hopper()
|
|
assert_image_similar(im, im2, 4.8)
|
|
|
|
|
|
@pytest.mark.skipif(is_pypy(), reason="Requires CPython")
|
|
def test_unclosed_file():
|
|
def open():
|
|
im = Image.open(test_file)
|
|
im.load()
|
|
|
|
pytest.warns(ResourceWarning, open)
|
|
|
|
|
|
def test_closed_file():
|
|
def open():
|
|
im = Image.open(test_file)
|
|
im.load()
|
|
im.close()
|
|
|
|
pytest.warns(None, open)
|
|
|
|
|
|
def test_context_manager():
|
|
def open():
|
|
with Image.open(test_file) as im:
|
|
im.load()
|
|
|
|
pytest.warns(None, open)
|
|
|
|
|
|
def test_invalid_file():
|
|
invalid_file = "Tests/images/flower.jpg"
|
|
|
|
with pytest.raises(SyntaxError):
|
|
PsdImagePlugin.PsdImageFile(invalid_file)
|
|
|
|
|
|
def test_n_frames():
|
|
with Image.open("Tests/images/hopper_merged.psd") as im:
|
|
assert im.n_frames == 1
|
|
assert not im.is_animated
|
|
|
|
with Image.open(test_file) as im:
|
|
assert im.n_frames == 2
|
|
assert im.is_animated
|
|
|
|
|
|
def test_eoferror():
|
|
with Image.open(test_file) as im:
|
|
# PSD seek index starts at 1 rather than 0
|
|
n_frames = im.n_frames + 1
|
|
|
|
# Test seeking past the last frame
|
|
with pytest.raises(EOFError):
|
|
im.seek(n_frames)
|
|
assert im.tell() < n_frames
|
|
|
|
# Test that seeking to the last frame does not raise an error
|
|
im.seek(n_frames - 1)
|
|
|
|
|
|
def test_seek_tell():
|
|
with Image.open(test_file) as im:
|
|
|
|
layer_number = im.tell()
|
|
assert layer_number == 1
|
|
|
|
with pytest.raises(EOFError):
|
|
im.seek(0)
|
|
|
|
im.seek(1)
|
|
layer_number = im.tell()
|
|
assert layer_number == 1
|
|
|
|
im.seek(2)
|
|
layer_number = im.tell()
|
|
assert layer_number == 2
|
|
|
|
|
|
def test_seek_eoferror():
|
|
with Image.open(test_file) as im:
|
|
|
|
with pytest.raises(EOFError):
|
|
im.seek(-1)
|
|
|
|
|
|
def test_open_after_exclusive_load():
|
|
with Image.open(test_file) as im:
|
|
im.load()
|
|
im.seek(im.tell() + 1)
|
|
im.load()
|
|
|
|
|
|
def test_icc_profile():
|
|
with Image.open(test_file) as im:
|
|
assert "icc_profile" in im.info
|
|
|
|
icc_profile = im.info["icc_profile"]
|
|
assert len(icc_profile) == 3144
|
|
|
|
|
|
def test_no_icc_profile():
|
|
with Image.open("Tests/images/hopper_merged.psd") as im:
|
|
assert "icc_profile" not in im.info
|
|
|
|
|
|
def test_combined_larger_than_size():
|
|
# The 'combined' sizes of the individual parts is larger than the
|
|
# declared 'size' of the extra data field, resulting in a backwards seek.
|
|
|
|
# If we instead take the 'size' of the extra data field as the source of truth,
|
|
# then the seek can't be negative
|
|
with pytest.raises(IOError):
|
|
Image.open("Tests/images/combined_larger_than_size.psd")
|