Mercurial > piecrust2

annotate tests/test_data_iterators.py @ 840:7f3043f9f26f

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internal: Don't check for a page repository, there's always one.
author Ludovic Chabant <ludovic@chabant.com>
date Wed, 15 Feb 2017 22:17:13 -0800
parents e35407c60e00
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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]],
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76 current_page=page)
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77 it.filter('threes')
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78 assert it.total_count == 3
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79 assert len(it) == 3
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80 assert list(it) == [TestItem(3), TestItem(3), TestItem(3)]
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83 def test_magic_filter():
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84 it = PageIterator([TestItem(v) for v in [3, 2, 3, 1, 4, 3]])
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85 it.is_foo(3)
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86 assert it.total_count == 3
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87 assert len(it) == 3
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88 assert list(it) == [TestItem(3), TestItem(3), TestItem(3)]
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89