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103 lines
2.5 KiB
Python
103 lines
2.5 KiB
Python
from helper import unittest, PillowTestCase, hopper
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from PIL import Image
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import os.path
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class TestFilePdf(PillowTestCase):
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def helper_save_as_pdf(self, mode, save_all=False):
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# Arrange
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im = hopper(mode)
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outfile = self.tempfile("temp_" + mode + ".pdf")
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# Act
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if save_all:
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im.save(outfile, save_all=True)
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else:
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im.save(outfile)
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# Assert
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self.assertTrue(os.path.isfile(outfile))
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self.assertGreater(os.path.getsize(outfile), 0)
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def test_monochrome(self):
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# Arrange
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mode = "1"
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# Act / Assert
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self.helper_save_as_pdf(mode)
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def test_greyscale(self):
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# Arrange
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mode = "L"
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# Act / Assert
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self.helper_save_as_pdf(mode)
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def test_rgb(self):
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# Arrange
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mode = "RGB"
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# Act / Assert
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self.helper_save_as_pdf(mode)
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def test_p_mode(self):
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# Arrange
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mode = "P"
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# Act / Assert
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self.helper_save_as_pdf(mode)
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def test_cmyk_mode(self):
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# Arrange
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mode = "CMYK"
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# Act / Assert
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self.helper_save_as_pdf(mode)
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def test_unsupported_mode(self):
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im = hopper("LA")
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outfile = self.tempfile("temp_LA.pdf")
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self.assertRaises(ValueError, im.save, outfile)
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def test_save_all(self):
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# Single frame image
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self.helper_save_as_pdf("RGB", save_all=True)
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# Multiframe image
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im = Image.open("Tests/images/dispose_bgnd.gif")
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outfile = self.tempfile('temp.pdf')
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im.save(outfile, save_all=True)
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self.assertTrue(os.path.isfile(outfile))
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self.assertGreater(os.path.getsize(outfile), 0)
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# Append images
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ims = [hopper()]
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im.copy().save(outfile, save_all=True, append_images=ims)
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self.assertTrue(os.path.isfile(outfile))
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self.assertGreater(os.path.getsize(outfile), 0)
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# Test appending using a generator
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def imGenerator(ims):
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for im in ims:
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yield im
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im.save(outfile, save_all=True, append_images=imGenerator(ims))
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self.assertTrue(os.path.isfile(outfile))
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self.assertGreater(os.path.getsize(outfile), 0)
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# Append JPEG images
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jpeg = Image.open("Tests/images/flower.jpg")
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jpeg.save(outfile, save_all=True, append_images=[jpeg.copy()])
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self.assertTrue(os.path.isfile(outfile))
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self.assertGreater(os.path.getsize(outfile), 0)
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if __name__ == '__main__':
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unittest.main()
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