Mercurial > piecrust2

annotate tests/test_data_iterators.py @ 550:6f216c1ab6b1

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bake: Add a flag to know which record entries got collapsed from last run. This makes it possible to find entries for things that were actually baked during the current run, as opposed to skipped because they were "clean".
author Ludovic Chabant <ludovic@chabant.com>
date Tue, 04 Aug 2015 21:22:30 -0700
parents 4379d8f8f831
children e35407c60e00
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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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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44
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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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54
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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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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