mirror of
https://github.com/python-pillow/Pillow.git
synced 2025-10-25 05:01:26 +03:00
161 lines
3.2 KiB
Python
161 lines
3.2 KiB
Python
import tempfile
|
|
import warnings
|
|
from io import BytesIO
|
|
|
|
import pytest
|
|
|
|
from PIL import Image, ImageSequence, SpiderImagePlugin
|
|
|
|
from .helper import assert_image_equal_tofile, hopper, is_pypy
|
|
|
|
TEST_FILE = "Tests/images/hopper.spider"
|
|
|
|
|
|
def test_sanity():
|
|
with Image.open(TEST_FILE) as im:
|
|
im.load()
|
|
assert im.mode == "F"
|
|
assert im.size == (128, 128)
|
|
assert im.format == "SPIDER"
|
|
|
|
|
|
@pytest.mark.skipif(is_pypy(), reason="Requires CPython")
|
|
def test_unclosed_file():
|
|
def open():
|
|
im = Image.open(TEST_FILE)
|
|
im.load()
|
|
|
|
with pytest.warns(ResourceWarning):
|
|
open()
|
|
|
|
|
|
def test_closed_file():
|
|
with warnings.catch_warnings():
|
|
im = Image.open(TEST_FILE)
|
|
im.load()
|
|
im.close()
|
|
|
|
|
|
def test_context_manager():
|
|
with warnings.catch_warnings():
|
|
with Image.open(TEST_FILE) as im:
|
|
im.load()
|
|
|
|
|
|
def test_save(tmp_path):
|
|
# Arrange
|
|
temp = str(tmp_path / "temp.spider")
|
|
im = hopper()
|
|
|
|
# Act
|
|
im.save(temp, "SPIDER")
|
|
|
|
# Assert
|
|
with Image.open(temp) as im2:
|
|
assert im2.mode == "F"
|
|
assert im2.size == (128, 128)
|
|
assert im2.format == "SPIDER"
|
|
|
|
|
|
def test_tempfile():
|
|
# Arrange
|
|
im = hopper()
|
|
|
|
# Act
|
|
with tempfile.TemporaryFile() as fp:
|
|
im.save(fp, "SPIDER")
|
|
|
|
# Assert
|
|
fp.seek(0)
|
|
with Image.open(fp) as reloaded:
|
|
assert reloaded.mode == "F"
|
|
assert reloaded.size == (128, 128)
|
|
assert reloaded.format == "SPIDER"
|
|
|
|
|
|
def test_is_spider_image():
|
|
assert SpiderImagePlugin.isSpiderImage(TEST_FILE)
|
|
|
|
|
|
def test_tell():
|
|
# Arrange
|
|
with Image.open(TEST_FILE) as im:
|
|
# Act
|
|
index = im.tell()
|
|
|
|
# Assert
|
|
assert index == 0
|
|
|
|
|
|
def test_n_frames():
|
|
with Image.open(TEST_FILE) as im:
|
|
assert im.n_frames == 1
|
|
assert not im.is_animated
|
|
|
|
|
|
def test_load_image_series():
|
|
# Arrange
|
|
not_spider_file = "Tests/images/hopper.ppm"
|
|
file_list = [TEST_FILE, not_spider_file, "path/not_found.ext"]
|
|
|
|
# Act
|
|
img_list = SpiderImagePlugin.loadImageSeries(file_list)
|
|
|
|
# Assert
|
|
assert len(img_list) == 1
|
|
assert isinstance(img_list[0], Image.Image)
|
|
assert img_list[0].size == (128, 128)
|
|
|
|
|
|
def test_load_image_series_no_input():
|
|
# Arrange
|
|
file_list = None
|
|
|
|
# Act
|
|
img_list = SpiderImagePlugin.loadImageSeries(file_list)
|
|
|
|
# Assert
|
|
assert img_list is None
|
|
|
|
|
|
def test_is_int_not_a_number():
|
|
# Arrange
|
|
not_a_number = "a"
|
|
|
|
# Act
|
|
ret = SpiderImagePlugin.isInt(not_a_number)
|
|
|
|
# Assert
|
|
assert ret == 0
|
|
|
|
|
|
def test_invalid_file():
|
|
invalid_file = "Tests/images/invalid.spider"
|
|
|
|
with pytest.raises(OSError):
|
|
with Image.open(invalid_file):
|
|
pass
|
|
|
|
|
|
def test_nonstack_file():
|
|
with Image.open(TEST_FILE) as im:
|
|
with pytest.raises(EOFError):
|
|
im.seek(0)
|
|
|
|
|
|
def test_nonstack_dos():
|
|
with Image.open(TEST_FILE) as im:
|
|
for i, frame in enumerate(ImageSequence.Iterator(im)):
|
|
assert i <= 1, "Non-stack DOS file test failed"
|
|
|
|
|
|
# for issue #4093
|
|
def test_odd_size():
|
|
data = BytesIO()
|
|
width = 100
|
|
im = Image.new("F", (width, 64))
|
|
im.save(data, format="SPIDER")
|
|
|
|
data.seek(0)
|
|
assert_image_equal_tofile(im, data)
|