Pillow/Tests/test_file_hdf5stub.py
2020-01-27 22:46:52 +11:00

48 lines
1.1 KiB
Python

import pytest
from PIL import Hdf5StubImagePlugin, Image
TEST_FILE = "Tests/images/hdf5.h5"
def test_open():
# Act
with Image.open(TEST_FILE) as im:
# Assert
assert im.format == "HDF5"
# Dummy data from the stub
assert im.mode == "F"
assert im.size == (1, 1)
def test_invalid_file():
# Arrange
invalid_file = "Tests/images/flower.jpg"
# Act / Assert
with pytest.raises(SyntaxError):
Hdf5StubImagePlugin.HDF5StubImageFile(invalid_file)
def test_load():
# Arrange
with Image.open(TEST_FILE) as im:
# Act / Assert: stub cannot load without an implemented handler
with pytest.raises(IOError):
im.load()
def test_save():
# Arrange
with Image.open(TEST_FILE) as im:
dummy_fp = None
dummy_filename = "dummy.filename"
# Act / Assert: stub cannot save without an implemented handler
with pytest.raises(IOError):
im.save(dummy_filename)
with pytest.raises(IOError):
Hdf5StubImagePlugin._save(im, dummy_fp, dummy_filename)