Mercurial > piecrust2

annotate tests/test_data_iterators.py @ 661:2f780b191541

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internal: Fix a bug with registering taxonomy terms that are not strings. Some objects, like the blog data provider's taxnonomy entries, can render as strings, but are objects themselves. When registering them as "used terms", we need to use their string representation.
author Ludovic Chabant <ludovic@chabant.com>
date Tue, 01 Mar 2016 22:26:09 -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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20
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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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50
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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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62
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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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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