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@@ -1,143 +1,143 b'' | |||||
1 | # unit tests for mercuril.util utilities |
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1 | # unit tests for mercuril.util utilities | |
2 |
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2 | |||
3 | import contextlib |
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3 | import contextlib | |
4 | import io |
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4 | import io | |
5 | import itertools |
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5 | import itertools | |
6 | import unittest |
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6 | import unittest | |
7 |
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7 | |||
8 | from mercurial import pycompat, util, utils |
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8 | from mercurial import pycompat, util, utils | |
9 |
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9 | |||
10 |
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10 | |||
11 | @contextlib.contextmanager |
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11 | @contextlib.contextmanager | |
12 | def mocktimer(incr=0.1, *additional_targets): |
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12 | def mocktimer(incr=0.1, *additional_targets): | |
13 | """Replaces util.timer and additional_targets with a mock |
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13 | """Replaces util.timer and additional_targets with a mock | |
14 |
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14 | |||
15 | The timer starts at 0. On each call the time incremented by the value |
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15 | The timer starts at 0. On each call the time incremented by the value | |
16 | of incr. If incr is an iterable, then the time is incremented by the |
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16 | of incr. If incr is an iterable, then the time is incremented by the | |
17 | next value from that iterable, looping in a cycle when reaching the end. |
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17 | next value from that iterable, looping in a cycle when reaching the end. | |
18 |
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18 | |||
19 | additional_targets must be a sequence of (object, attribute_name) tuples; |
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19 | additional_targets must be a sequence of (object, attribute_name) tuples; | |
20 | the mock is set with setattr(object, attribute_name, mock). |
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20 | the mock is set with setattr(object, attribute_name, mock). | |
21 |
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21 | |||
22 | """ |
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22 | """ | |
23 | time = [0] |
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23 | time = [0] | |
24 | try: |
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24 | try: | |
25 | incr = itertools.cycle(incr) |
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25 | incr = itertools.cycle(incr) | |
26 | except TypeError: |
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26 | except TypeError: | |
27 | incr = itertools.repeat(incr) |
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27 | incr = itertools.repeat(incr) | |
28 |
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28 | |||
29 | def timer(): |
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29 | def timer(): | |
30 | time[0] += next(incr) |
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30 | time[0] += next(incr) | |
31 | return time[0] |
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31 | return time[0] | |
32 |
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32 | |||
33 | # record original values |
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33 | # record original values | |
34 | orig = util.timer |
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34 | orig = util.timer | |
35 | additional_origs = [(o, a, getattr(o, a)) for o, a in additional_targets] |
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35 | additional_origs = [(o, a, getattr(o, a)) for o, a in additional_targets] | |
36 |
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36 | |||
37 | # mock out targets |
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37 | # mock out targets | |
38 | util.timer = timer |
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38 | util.timer = timer | |
39 | for obj, attr in additional_targets: |
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39 | for obj, attr in additional_targets: | |
40 | setattr(obj, attr, timer) |
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40 | setattr(obj, attr, timer) | |
41 |
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41 | |||
42 | try: |
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42 | try: | |
43 | yield |
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43 | yield | |
44 | finally: |
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44 | finally: | |
45 | # restore originals |
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45 | # restore originals | |
46 | util.timer = orig |
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46 | util.timer = orig | |
47 | for args in additional_origs: |
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47 | for args in additional_origs: | |
48 | setattr(*args) |
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48 | setattr(*args) | |
49 |
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49 | |||
50 |
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50 | |||
51 | # attr.s default factory for util.timedstats.start binds the timer we |
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51 | # attr.s default factory for util.timedstats.start binds the timer we | |
52 | # need to mock out. |
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52 | # need to mock out. | |
53 | _start_default = (util.timedcmstats.start.default, 'factory') |
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53 | _start_default = (util.timedcmstats.__attrs_attrs__.start.default, 'factory') | |
54 |
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54 | |||
55 |
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55 | |||
56 | @contextlib.contextmanager |
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56 | @contextlib.contextmanager | |
57 | def capturestderr(): |
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57 | def capturestderr(): | |
58 | """Replace utils.procutil.stderr with an io.BytesIO instance |
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58 | """Replace utils.procutil.stderr with an io.BytesIO instance | |
59 |
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59 | |||
60 | The instance is made available as the return value of __enter__. |
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60 | The instance is made available as the return value of __enter__. | |
61 |
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61 | |||
62 | This contextmanager is reentrant. |
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62 | This contextmanager is reentrant. | |
63 |
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63 | |||
64 | """ |
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64 | """ | |
65 | orig = utils.procutil.stderr |
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65 | orig = utils.procutil.stderr | |
66 | utils.procutil.stderr = io.BytesIO() |
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66 | utils.procutil.stderr = io.BytesIO() | |
67 | try: |
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67 | try: | |
68 | yield utils.procutil.stderr |
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68 | yield utils.procutil.stderr | |
69 | finally: |
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69 | finally: | |
70 | utils.procutil.stderr = orig |
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70 | utils.procutil.stderr = orig | |
71 |
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71 | |||
72 |
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72 | |||
73 | class timedtests(unittest.TestCase): |
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73 | class timedtests(unittest.TestCase): | |
74 | def testtimedcmstatsstr(self): |
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74 | def testtimedcmstatsstr(self): | |
75 | stats = util.timedcmstats() |
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75 | stats = util.timedcmstats() | |
76 | self.assertEqual(str(stats), '<unknown>') |
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76 | self.assertEqual(str(stats), '<unknown>') | |
77 | self.assertEqual(bytes(stats), b'<unknown>') |
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77 | self.assertEqual(bytes(stats), b'<unknown>') | |
78 | stats.elapsed = 12.34 |
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78 | stats.elapsed = 12.34 | |
79 | self.assertEqual(str(stats), pycompat.sysstr(util.timecount(12.34))) |
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79 | self.assertEqual(str(stats), pycompat.sysstr(util.timecount(12.34))) | |
80 | self.assertEqual(bytes(stats), util.timecount(12.34)) |
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80 | self.assertEqual(bytes(stats), util.timecount(12.34)) | |
81 |
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81 | |||
82 | def testtimedcmcleanexit(self): |
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82 | def testtimedcmcleanexit(self): | |
83 | # timestamps 1, 4, elapsed time of 4 - 1 = 3 |
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83 | # timestamps 1, 4, elapsed time of 4 - 1 = 3 | |
84 | with mocktimer([1, 3], _start_default): |
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84 | with mocktimer([1, 3], _start_default): | |
85 | with util.timedcm('pass') as stats: |
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85 | with util.timedcm('pass') as stats: | |
86 | # actual context doesn't matter |
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86 | # actual context doesn't matter | |
87 | pass |
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87 | pass | |
88 |
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88 | |||
89 | self.assertEqual(stats.start, 1) |
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89 | self.assertEqual(stats.start, 1) | |
90 | self.assertEqual(stats.elapsed, 3) |
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90 | self.assertEqual(stats.elapsed, 3) | |
91 | self.assertEqual(stats.level, 1) |
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91 | self.assertEqual(stats.level, 1) | |
92 |
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92 | |||
93 | def testtimedcmnested(self): |
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93 | def testtimedcmnested(self): | |
94 | # timestamps 1, 3, 6, 10, elapsed times of 6 - 3 = 3 and 10 - 1 = 9 |
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94 | # timestamps 1, 3, 6, 10, elapsed times of 6 - 3 = 3 and 10 - 1 = 9 | |
95 | with mocktimer([1, 2, 3, 4], _start_default): |
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95 | with mocktimer([1, 2, 3, 4], _start_default): | |
96 | with util.timedcm('outer') as outer_stats: |
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96 | with util.timedcm('outer') as outer_stats: | |
97 | with util.timedcm('inner') as inner_stats: |
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97 | with util.timedcm('inner') as inner_stats: | |
98 | # actual context doesn't matter |
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98 | # actual context doesn't matter | |
99 | pass |
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99 | pass | |
100 |
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100 | |||
101 | self.assertEqual(outer_stats.start, 1) |
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101 | self.assertEqual(outer_stats.start, 1) | |
102 | self.assertEqual(outer_stats.elapsed, 9) |
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102 | self.assertEqual(outer_stats.elapsed, 9) | |
103 | self.assertEqual(outer_stats.level, 1) |
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103 | self.assertEqual(outer_stats.level, 1) | |
104 |
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104 | |||
105 | self.assertEqual(inner_stats.start, 3) |
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105 | self.assertEqual(inner_stats.start, 3) | |
106 | self.assertEqual(inner_stats.elapsed, 3) |
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106 | self.assertEqual(inner_stats.elapsed, 3) | |
107 | self.assertEqual(inner_stats.level, 2) |
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107 | self.assertEqual(inner_stats.level, 2) | |
108 |
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108 | |||
109 | def testtimedcmexception(self): |
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109 | def testtimedcmexception(self): | |
110 | # timestamps 1, 4, elapsed time of 4 - 1 = 3 |
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110 | # timestamps 1, 4, elapsed time of 4 - 1 = 3 | |
111 | with mocktimer([1, 3], _start_default): |
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111 | with mocktimer([1, 3], _start_default): | |
112 | try: |
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112 | try: | |
113 | with util.timedcm('exceptional') as stats: |
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113 | with util.timedcm('exceptional') as stats: | |
114 | raise ValueError() |
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114 | raise ValueError() | |
115 | except ValueError: |
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115 | except ValueError: | |
116 | pass |
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116 | pass | |
117 |
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117 | |||
118 | self.assertEqual(stats.start, 1) |
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118 | self.assertEqual(stats.start, 1) | |
119 | self.assertEqual(stats.elapsed, 3) |
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119 | self.assertEqual(stats.elapsed, 3) | |
120 | self.assertEqual(stats.level, 1) |
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120 | self.assertEqual(stats.level, 1) | |
121 |
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121 | |||
122 | def testtimeddecorator(self): |
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122 | def testtimeddecorator(self): | |
123 | @util.timed |
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123 | @util.timed | |
124 | def testfunc(callcount=1): |
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124 | def testfunc(callcount=1): | |
125 | callcount -= 1 |
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125 | callcount -= 1 | |
126 | if callcount: |
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126 | if callcount: | |
127 | testfunc(callcount) |
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127 | testfunc(callcount) | |
128 |
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128 | |||
129 | # timestamps 1, 2, 3, 4, elapsed time of 3 - 2 = 1 and 4 - 1 = 3 |
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129 | # timestamps 1, 2, 3, 4, elapsed time of 3 - 2 = 1 and 4 - 1 = 3 | |
130 | with mocktimer(1, _start_default): |
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130 | with mocktimer(1, _start_default): | |
131 | with capturestderr() as out: |
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131 | with capturestderr() as out: | |
132 | testfunc(2) |
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132 | testfunc(2) | |
133 |
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133 | |||
134 | self.assertEqual( |
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134 | self.assertEqual( | |
135 | out.getvalue(), |
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135 | out.getvalue(), | |
136 | (b' testfunc: 1.000 s\n' b' testfunc: 3.000 s\n'), |
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136 | (b' testfunc: 1.000 s\n' b' testfunc: 3.000 s\n'), | |
137 | ) |
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137 | ) | |
138 |
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138 | |||
139 |
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139 | |||
140 | if __name__ == '__main__': |
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140 | if __name__ == '__main__': | |
141 | import silenttestrunner |
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141 | import silenttestrunner | |
142 |
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142 | |||
143 | silenttestrunner.main(__name__) |
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143 | silenttestrunner.main(__name__) |
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