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  • Committer: Olivier Tilloy
  • Date: 2007-11-25 21:02:14 UTC
  • Revision ID: osomon@sanctuary-20071125210214-oo56lpuwgqzuf054
New unit test for the maximum number of images loaded in memory.

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Lines of Context:
grid_image_unittests.py
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            widget.select_right()
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            self.assertEqual(widget._loaded_images, 50)
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    def test_04_increase_max_loaded_images(self):
 
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        """
 
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        Test that the maximum number of loaded images increases when increasing
 
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        enough the number of visible elements.
 
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        """
 
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        image_list = ['smiley.jpg' for i in range(201)]
 
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        widget = grid_image.GridImage(self._canvas, image_list,
 
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                                      self._canvas.width, self._canvas.height,
 
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                                      67, 3, grid_image.LEFT_RIGHT, 5, 3,
 
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                                      max_loaded_images=50)
 
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        self.assertEqual(widget._loaded_images, 21)
 
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        for i in xrange(4):
 
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            widget.increase_visible_cols()
 
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        self.assertEqual(widget._loaded_images, 45)
 
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        # Now verify that the maximum number of loaded images increases
 
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        for i in xrange(26):
 
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            widget.increase_visible_cols()
 
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            loaded = 45 + 6 * (i + 1)
 
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            self.assertEqual(widget._loaded_images, loaded)
 
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            self.assertEqual(widget._max_loaded_images, loaded)
 
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if __name__ == '__main__':
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    # Instantiate a test suite containing all the test cases
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    suite = unittest.TestLoader().loadTestsFromTestCase(GridImageTestCase)