73 lines
2.4 KiB
Python
Executable File
73 lines
2.4 KiB
Python
Executable File
"""\
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@file iterators_test.py
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@brief Test cases for iterators module.
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$LicenseInfo:firstyear=2008&license=mit$
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Copyright (c) 2008-2009, Linden Research, Inc.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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$/LicenseInfo$
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"""
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import unittest
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from indra.util.iterators import iter_chunks
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class TestIterChunks(unittest.TestCase):
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"""Unittests for iter_chunks"""
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def test_bad_agg_size(self):
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rows = [1,2,3,4]
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self.assertRaises(ValueError, iter_chunks, rows, 0)
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self.assertRaises(ValueError, iter_chunks, rows, -1)
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try:
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for i in iter_chunks(rows, 0):
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pass
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except ValueError:
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pass
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else:
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self.fail()
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try:
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result = list(iter_chunks(rows, 0))
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except ValueError:
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pass
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else:
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self.fail()
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def test_empty(self):
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rows = []
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result = list(iter_chunks(rows))
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self.assertEqual(result, [])
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def test_small(self):
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rows = [[1]]
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result = list(iter_chunks(rows, 2))
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self.assertEqual(result, [[[1]]])
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def test_size(self):
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rows = [[1],[2]]
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result = list(iter_chunks(rows, 2))
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self.assertEqual(result, [[[1],[2]]])
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def test_multi_agg(self):
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rows = [[1],[2],[3],[4],[5]]
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result = list(iter_chunks(rows, 2))
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self.assertEqual(result, [[[1],[2]],[[3],[4]],[[5]]])
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if __name__ == "__main__":
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unittest.main()
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