Mercurial > piecrust2

annotate tests/test_data_iterators.py @ 264:74bea91c9630

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bake: Don't store internal config values in the bake record. We sometimes store actual objects in the page config (like for instance page linkers) and we don't want that to be pickled.
author Ludovic Chabant <ludovic@chabant.com>
date Tue, 24 Feb 2015 23:18:23 -0800
parents 4379d8f8f831
children e35407c60e00
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cd35d356ccce Fix some bugs with iterators, add some unit tests.
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1 import mock
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2 from piecrust.data.iterators import PageIterator
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3 from piecrust.page import Page, PageConfiguration
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4
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5
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6 def test_skip():
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7 it = PageIterator(range(12))
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8 it.skip(5)
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9 assert it.total_count == 12
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10 assert len(it) == 7
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11 assert list(it) == list(range(5, 12))
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13
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14 def test_limit():
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15 it = PageIterator(range(12))
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16 it.limit(4)
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17 assert it.total_count == 12
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18 assert len(it) == 4
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19 assert list(it) == list(range(4))
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21
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22 def test_slice():
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23 it = PageIterator(range(12))
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24 it.slice(3, 4)
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25 assert it.total_count == 12
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26 assert len(it) == 4
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27 assert list(it) == list(range(3, 7))
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30 def test_natural_sort():
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31 it = PageIterator([4, 3, 1, 2, 0])
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32 it.sort()
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33 assert it.total_count == 5
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34 assert len(it) == 5
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35 assert list(it) == list(range(5))
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38 def test_natural_sort_reversed():
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39 it = PageIterator([4, 3, 1, 2, 0])
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40 it.sort(reverse=True)
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41 assert it.total_count == 5
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42 assert len(it) == 5
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43 assert list(it) == list(reversed(range(5)))
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45
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46 class TestItem(object):
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47 def __init__(self, value):
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48 self.name = str(value)
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49 self.foo = value
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51 def __eq__(self, other):
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52 return other.name == self.name
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55 def test_setting_sort():
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56 it = PageIterator([TestItem(v) for v in [4, 3, 1, 2, 0]])
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57 it.sort('foo')
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58 assert it.total_count == 5
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59 assert len(it) == 5
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60 assert list(it) == [TestItem(v) for v in range(5)]
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63 def test_setting_sort_reversed():
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64 it = PageIterator([TestItem(v) for v in [4, 3, 1, 2, 0]])
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65 it.sort('foo', reverse=True)
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66 assert it.total_count == 5
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67 assert len(it) == 5
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68 assert list(it) == [TestItem(v) for v in reversed(range(5))]
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71 def test_filter():
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72 page = mock.MagicMock(spec=Page)
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73 page.config = PageConfiguration()
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74 page.config.set('threes', {'is_foo': 3})
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75 it = PageIterator([TestItem(v) for v in [3, 2, 3, 1, 4, 3]], page)
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76 it.filter('threes')
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77 assert it.total_count == 3
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78 assert len(it) == 3
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79 assert list(it) == [TestItem(3), TestItem(3), TestItem(3)]
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81
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82 def test_magic_filter():
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83 it = PageIterator([TestItem(v) for v in [3, 2, 3, 1, 4, 3]])
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84 it.is_foo(3)
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85 assert it.total_count == 3
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86 assert len(it) == 3
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87 assert list(it) == [TestItem(3), TestItem(3), TestItem(3)]
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88