Mercurial > piecrust2
annotate tests/test_data_paginator.py @ 550:6f216c1ab6b1
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> |
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date | Tue, 04 Aug 2015 21:22:30 -0700 |
parents | 4b1019bb2533 |
children | 72f17534d58e |
rev | line source |
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6
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1 import math |
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2 import mock |
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3 import pytest |
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4 from piecrust.data.paginator import Paginator |
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5 from piecrust.sources.interfaces import IPaginationSource |
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6 |
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7 |
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8 class MockSource(list, IPaginationSource): |
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9 def __init__(self, count): |
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10 for i in range(count): |
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11 self.append('item %d' % i) |
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12 |
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13 def getItemsPerPage(self): |
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14 return 5 |
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15 |
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16 def getSourceIterator(self): |
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17 return None |
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18 |
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19 def getSorterIterator(self, it): |
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20 return None |
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21 |
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22 def getTailIterator(self, it): |
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23 return None |
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24 |
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25 def getPaginationFilter(self, page): |
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26 return None |
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27 |
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28 |
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29 @pytest.mark.parametrize('uri, page_num, count', [ |
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30 ('', 1, 0), |
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31 ('', 1, 4), |
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32 ('', 1, 5), |
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33 ('', 1, 8), |
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34 ('', 1, 14), |
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35 ('', 2, 8), |
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36 ('', 2, 14), |
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37 ('', 3, 14), |
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38 ('blog', 1, 0), |
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39 ('blog', 1, 4), |
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40 ('blog', 1, 5), |
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41 ('blog', 1, 8), |
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42 ('blog', 1, 14), |
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43 ('blog', 2, 8), |
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44 ('blog', 2, 14), |
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45 ('blog', 3, 14) |
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46 ]) |
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47 def test_paginator(uri, page_num, count): |
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48 def _get_mock_uri(sub_num): |
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49 res = uri |
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50 if sub_num > 1: |
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51 if res != '' and not res.endswith('/'): |
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52 res += '/' |
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53 res += '%d' % sub_num |
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54 return res |
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55 |
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56 source = MockSource(count) |
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57 p = Paginator(None, source, page_num=page_num) |
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58 p._getPageUri = _get_mock_uri |
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59 |
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60 if count <= 5: |
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61 # All posts fit on the page |
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62 assert p.prev_page_number is None |
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63 assert p.prev_page is None |
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64 assert p.this_page_number == 1 |
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65 assert p.this_page == uri |
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66 assert p.next_page_number is None |
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67 assert p.next_page is None |
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68 elif page_num == 1: |
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69 # First page in many |
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70 assert p.prev_page_number is None |
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71 assert p.prev_page is None |
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72 assert p.this_page_number == 1 |
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73 assert p.this_page == uri |
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74 assert p.next_page_number == 2 |
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75 np = '2' if uri == '' else (uri + '/2') |
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76 assert p.next_page == np |
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77 else: |
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78 # Page in the middle of it all |
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79 assert p.prev_page_number == page_num - 1 |
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80 if page_num == 2: |
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81 assert p.prev_page == uri |
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82 else: |
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83 pp = str(page_num - 1) if uri == '' else ( |
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84 '%s/%d' % (uri, page_num - 1)) |
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85 assert p.prev_page == pp |
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86 |
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87 assert p.this_page_number == page_num |
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88 tp = str(page_num) if uri == '' else ( |
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89 '%s/%d' % (uri, page_num)) |
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90 assert p.this_page == tp |
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91 |
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92 if page_num * 5 > count: |
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93 assert p.next_page_number is None |
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94 assert p.next_page is None |
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95 else: |
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96 assert p.next_page_number == page_num + 1 |
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97 np = str(page_num + 1) if uri == '' else ( |
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98 '%s/%d' % (uri, page_num + 1)) |
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99 assert p.next_page == np |
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100 |
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101 assert p.total_post_count == count |
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102 page_count = math.ceil(count / 5.0) |
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103 assert p.total_page_count == page_count |
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104 assert p.all_page_numbers() == list(range(1, page_count + 1)) |
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105 |
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106 for radius in range(1, 8): |
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107 width = radius * 2 + 1 |
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108 if page_count == 0: |
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109 nums = [] |
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110 else: |
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111 nums = list(filter( |
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112 lambda i: i >= 1 and i <= page_count, |
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113 range(page_num - radius, page_num + radius + 1))) |
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114 if len(nums) < width: |
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115 to_add = width - len(nums) |
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116 if nums[0] > 1: |
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117 to_add = min(to_add, nums[0] - 1) |
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118 nums = list(range(1, to_add + 1)) + nums |
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119 else: |
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120 to_add = min(to_add, page_count - nums[-1]) |
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121 nums = nums + list(range(nums[-1] + 1, nums[-1] + to_add + 1)) |
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122 assert nums == p.all_page_numbers(radius) |
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123 |
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124 itp = count |
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125 if count > 5: |
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126 if page_num * 5 < count: |
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127 itp = 5 |
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128 else: |
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129 itp = count % 5 |
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130 assert p.items_this_page == itp |
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131 |
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132 indices = list(range(count)) |
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133 indices = indices[(page_num - 1) * 5 : (page_num - 1) * 5 + itp] |
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134 expected = list(['item %d' % i for i in indices]) |
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135 items = list(p.items) |
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136 assert items == expected |
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137 |