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144 lines
4.6 KiB
Python
144 lines
4.6 KiB
Python
from helper import unittest, PillowTestCase, tearDownModule
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from PIL import Image, EpsImagePlugin
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import io
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# Our two EPS test files (they are identical except for their bounding boxes)
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file1 = "Tests/images/zero_bb.eps"
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file2 = "Tests/images/non_zero_bb.eps"
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# Due to palletization, we'll need to convert these to RGB after load
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file1_compare = "Tests/images/zero_bb.png"
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file1_compare_scale2 = "Tests/images/zero_bb_scale2.png"
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file2_compare = "Tests/images/non_zero_bb.png"
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file2_compare_scale2 = "Tests/images/non_zero_bb_scale2.png"
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# EPS test files with binary preview
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file3 = "Tests/images/binary_preview_map.eps"
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class TestFileEps(PillowTestCase):
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def setUp(self):
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if not EpsImagePlugin.has_ghostscript():
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self.skipTest("Ghostscript not available")
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def test_sanity(self):
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# Regular scale
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image1 = Image.open(file1)
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image1.load()
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self.assertEqual(image1.mode, "RGB")
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self.assertEqual(image1.size, (460, 352))
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self.assertEqual(image1.format, "EPS")
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image2 = Image.open(file2)
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image2.load()
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self.assertEqual(image2.mode, "RGB")
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self.assertEqual(image2.size, (360, 252))
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self.assertEqual(image2.format, "EPS")
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# Double scale
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image1_scale2 = Image.open(file1)
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image1_scale2.load(scale=2)
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self.assertEqual(image1_scale2.mode, "RGB")
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self.assertEqual(image1_scale2.size, (920, 704))
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self.assertEqual(image1_scale2.format, "EPS")
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image2_scale2 = Image.open(file2)
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image2_scale2.load(scale=2)
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self.assertEqual(image2_scale2.mode, "RGB")
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self.assertEqual(image2_scale2.size, (720, 504))
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self.assertEqual(image2_scale2.format, "EPS")
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def test_file_object(self):
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# issue 479
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image1 = Image.open(file1)
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with open(self.tempfile('temp_file.eps'), 'wb') as fh:
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image1.save(fh, 'EPS')
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def test_iobase_object(self):
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# issue 479
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image1 = Image.open(file1)
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with io.open(self.tempfile('temp_iobase.eps'), 'wb') as fh:
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image1.save(fh, 'EPS')
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def test_render_scale1(self):
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# We need png support for these render test
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codecs = dir(Image.core)
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if "zip_encoder" not in codecs or "zip_decoder" not in codecs:
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self.skipTest("zip/deflate support not available")
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# Zero bounding box
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image1_scale1 = Image.open(file1)
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image1_scale1.load()
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image1_scale1_compare = Image.open(file1_compare).convert("RGB")
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image1_scale1_compare.load()
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self.assert_image_similar(image1_scale1, image1_scale1_compare, 5)
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# Non-Zero bounding box
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image2_scale1 = Image.open(file2)
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image2_scale1.load()
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image2_scale1_compare = Image.open(file2_compare).convert("RGB")
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image2_scale1_compare.load()
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self.assert_image_similar(image2_scale1, image2_scale1_compare, 10)
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def test_render_scale2(self):
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# We need png support for these render test
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codecs = dir(Image.core)
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if "zip_encoder" not in codecs or "zip_decoder" not in codecs:
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self.skipTest("zip/deflate support not available")
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# Zero bounding box
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image1_scale2 = Image.open(file1)
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image1_scale2.load(scale=2)
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image1_scale2_compare = Image.open(file1_compare_scale2).convert("RGB")
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image1_scale2_compare.load()
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self.assert_image_similar(image1_scale2, image1_scale2_compare, 5)
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# Non-Zero bounding box
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image2_scale2 = Image.open(file2)
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image2_scale2.load(scale=2)
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image2_scale2_compare = Image.open(file2_compare_scale2).convert("RGB")
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image2_scale2_compare.load()
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self.assert_image_similar(image2_scale2, image2_scale2_compare, 10)
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def test_resize(self):
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# Arrange
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image1 = Image.open(file1)
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image2 = Image.open(file2)
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new_size = (100, 100)
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# Act
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image1 = image1.resize(new_size)
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image2 = image2.resize(new_size)
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# Assert
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self.assertEqual(image1.size, new_size)
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self.assertEqual(image2.size, new_size)
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def test_thumbnail(self):
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# Issue #619
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# Arrange
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image1 = Image.open(file1)
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image2 = Image.open(file2)
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new_size = (100, 100)
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# Act
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image1.thumbnail(new_size)
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image2.thumbnail(new_size)
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# Assert
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self.assertEqual(max(image1.size), max(new_size))
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self.assertEqual(max(image2.size), max(new_size))
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def test_read_binary_preview(self):
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# Issue 302
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# open image with binary preview
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Image.open(file3)
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if __name__ == '__main__':
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unittest.main()
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# End of file
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