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" assert im.get_format_mimetype() == "image/vnd.adobe.photoshop" 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(): with pytest.warns(None) as record: im = Image.open(test_file) im.load() im.close() assert not record def test_context_manager(): with pytest.warns(None) as record: with Image.open(test_file) as im: im.load() assert not record 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(OSError): with Image.open("Tests/images/combined_larger_than_size.psd"): pass