Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/networkx/utils/tests/test_mapped_queue.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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1 from networkx.utils.mapped_queue import MappedQueue |
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2 |
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3 |
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4 class TestMappedQueue: |
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5 def setup(self): |
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6 pass |
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7 |
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8 def _check_map(self, q): |
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9 d = {elt: pos for pos, elt in enumerate(q.h)} |
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10 assert d == q.d |
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11 |
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12 def _make_mapped_queue(self, h): |
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13 q = MappedQueue() |
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14 q.h = h |
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15 q.d = {elt: pos for pos, elt in enumerate(h)} |
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16 return q |
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17 |
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18 def test_heapify(self): |
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19 h = [5, 4, 3, 2, 1, 0] |
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20 q = self._make_mapped_queue(h) |
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21 q._heapify() |
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22 self._check_map(q) |
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23 |
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24 def test_init(self): |
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25 h = [5, 4, 3, 2, 1, 0] |
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26 q = MappedQueue(h) |
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27 self._check_map(q) |
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28 |
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29 def test_len(self): |
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30 h = [5, 4, 3, 2, 1, 0] |
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31 q = MappedQueue(h) |
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32 self._check_map(q) |
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33 assert len(q) == 6 |
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34 |
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35 def test_siftup_leaf(self): |
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36 h = [2] |
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37 h_sifted = [2] |
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38 q = self._make_mapped_queue(h) |
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39 q._siftup(0) |
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40 assert q.h == h_sifted |
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41 self._check_map(q) |
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42 |
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43 def test_siftup_one_child(self): |
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44 h = [2, 0] |
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45 h_sifted = [0, 2] |
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46 q = self._make_mapped_queue(h) |
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47 q._siftup(0) |
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48 assert q.h == h_sifted |
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49 self._check_map(q) |
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50 |
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51 def test_siftup_left_child(self): |
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52 h = [2, 0, 1] |
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53 h_sifted = [0, 2, 1] |
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54 q = self._make_mapped_queue(h) |
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55 q._siftup(0) |
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56 assert q.h == h_sifted |
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57 self._check_map(q) |
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58 |
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59 def test_siftup_right_child(self): |
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60 h = [2, 1, 0] |
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61 h_sifted = [0, 1, 2] |
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62 q = self._make_mapped_queue(h) |
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63 q._siftup(0) |
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64 assert q.h == h_sifted |
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65 self._check_map(q) |
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66 |
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67 def test_siftup_multiple(self): |
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68 h = [0, 1, 2, 4, 3, 5, 6] |
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69 h_sifted = [1, 3, 2, 4, 0, 5, 6] |
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70 q = self._make_mapped_queue(h) |
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71 q._siftup(0) |
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72 assert q.h == h_sifted |
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73 self._check_map(q) |
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74 |
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75 def test_siftdown_leaf(self): |
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76 h = [2] |
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77 h_sifted = [2] |
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78 q = self._make_mapped_queue(h) |
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79 q._siftdown(0) |
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80 assert q.h == h_sifted |
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81 self._check_map(q) |
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82 |
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83 def test_siftdown_single(self): |
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84 h = [1, 0] |
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85 h_sifted = [0, 1] |
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86 q = self._make_mapped_queue(h) |
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87 q._siftdown(len(h) - 1) |
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88 assert q.h == h_sifted |
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89 self._check_map(q) |
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90 |
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91 def test_siftdown_multiple(self): |
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92 h = [1, 2, 3, 4, 5, 6, 7, 0] |
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93 h_sifted = [0, 1, 3, 2, 5, 6, 7, 4] |
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94 q = self._make_mapped_queue(h) |
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95 q._siftdown(len(h) - 1) |
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96 assert q.h == h_sifted |
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97 self._check_map(q) |
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98 |
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99 def test_push(self): |
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100 to_push = [6, 1, 4, 3, 2, 5, 0] |
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101 h_sifted = [0, 2, 1, 6, 3, 5, 4] |
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102 q = MappedQueue() |
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103 for elt in to_push: |
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104 q.push(elt) |
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105 assert q.h == h_sifted |
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106 self._check_map(q) |
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107 |
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108 def test_push_duplicate(self): |
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109 to_push = [2, 1, 0] |
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110 h_sifted = [0, 2, 1] |
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111 q = MappedQueue() |
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112 for elt in to_push: |
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113 inserted = q.push(elt) |
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114 assert inserted |
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115 assert q.h == h_sifted |
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116 self._check_map(q) |
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117 inserted = q.push(1) |
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118 assert not inserted |
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119 |
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120 def test_pop(self): |
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121 h = [3, 4, 6, 0, 1, 2, 5] |
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122 h_sorted = sorted(h) |
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123 q = self._make_mapped_queue(h) |
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124 q._heapify() |
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125 popped = [] |
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126 for elt in sorted(h): |
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127 popped.append(q.pop()) |
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128 assert popped == h_sorted |
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129 self._check_map(q) |
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130 |
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131 def test_remove_leaf(self): |
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132 h = [0, 2, 1, 6, 3, 5, 4] |
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133 h_removed = [0, 2, 1, 6, 4, 5] |
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134 q = self._make_mapped_queue(h) |
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135 removed = q.remove(3) |
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136 assert q.h == h_removed |
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137 |
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138 def test_remove_root(self): |
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139 h = [0, 2, 1, 6, 3, 5, 4] |
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140 h_removed = [1, 2, 4, 6, 3, 5] |
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141 q = self._make_mapped_queue(h) |
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142 removed = q.remove(0) |
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143 assert q.h == h_removed |
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144 |
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145 def test_update_leaf(self): |
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146 h = [0, 20, 10, 60, 30, 50, 40] |
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147 h_updated = [0, 15, 10, 60, 20, 50, 40] |
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148 q = self._make_mapped_queue(h) |
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149 removed = q.update(30, 15) |
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150 assert q.h == h_updated |
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151 |
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152 def test_update_root(self): |
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153 h = [0, 20, 10, 60, 30, 50, 40] |
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154 h_updated = [10, 20, 35, 60, 30, 50, 40] |
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155 q = self._make_mapped_queue(h) |
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156 removed = q.update(0, 35) |
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157 assert q.h == h_updated |