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48 lines
1.2 KiB
Python
48 lines
1.2 KiB
Python
from helper import unittest, PillowTestCase, hopper
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from PIL import GribStubImagePlugin, Image
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TEST_FILE = "Tests/images/WAlaska.wind.7days.grb"
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class TestFileGribStub(PillowTestCase):
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def test_open(self):
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# Act
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im = Image.open(TEST_FILE)
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# Assert
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self.assertEqual(im.format, "GRIB")
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# Dummy data from the stub
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self.assertEqual(im.mode, "F")
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self.assertEqual(im.size, (1, 1))
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def test_invalid_file(self):
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# Arrange
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invalid_file = "Tests/images/flower.jpg"
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# Act / Assert
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self.assertRaises(SyntaxError,
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lambda:
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GribStubImagePlugin.GribStubImageFile(invalid_file))
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def test_load(self):
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# Arrange
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im = Image.open(TEST_FILE)
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# Act / Assert: stub cannot load without an implemented handler
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self.assertRaises(IOError, im.load)
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def test_save(self):
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# Arrange
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im = hopper()
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tmpfile = self.tempfile("temp.grib")
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# Act / Assert: stub cannot save without an implemented handler
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self.assertRaises(IOError, lambda: im.save(tmpfile))
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if __name__ == '__main__':
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unittest.main()
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