R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 1 | import timeit |
| 2 | import unittest |
| 3 | import sys |
| 4 | import io |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 5 | from textwrap import dedent |
| 6 | |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 7 | from test.support import captured_stdout |
| 8 | from test.support import captured_stderr |
| 9 | |
| 10 | # timeit's default number of iterations. |
| 11 | DEFAULT_NUMBER = 1000000 |
| 12 | |
| 13 | # timeit's default number of repetitions. |
Victor Stinner | 1b90115 | 2016-10-18 17:13:22 +0200 | [diff] [blame] | 14 | DEFAULT_REPEAT = 5 |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 15 | |
| 16 | # XXX: some tests are commented out that would improve the coverage but take a |
| 17 | # long time to run because they test the default number of loops, which is |
| 18 | # large. The tests could be enabled if there was a way to override the default |
| 19 | # number of loops during testing, but this would require changing the signature |
| 20 | # of some functions that use the default as a default argument. |
| 21 | |
| 22 | class FakeTimer: |
| 23 | BASE_TIME = 42.0 |
| 24 | def __init__(self, seconds_per_increment=1.0): |
| 25 | self.count = 0 |
| 26 | self.setup_calls = 0 |
| 27 | self.seconds_per_increment=seconds_per_increment |
| 28 | timeit._fake_timer = self |
| 29 | |
| 30 | def __call__(self): |
| 31 | return self.BASE_TIME + self.count * self.seconds_per_increment |
| 32 | |
| 33 | def inc(self): |
| 34 | self.count += 1 |
| 35 | |
| 36 | def setup(self): |
| 37 | self.setup_calls += 1 |
| 38 | |
| 39 | def wrap_timer(self, timer): |
| 40 | """Records 'timer' and returns self as callable timer.""" |
| 41 | self.saved_timer = timer |
| 42 | return self |
| 43 | |
| 44 | class TestTimeit(unittest.TestCase): |
| 45 | |
| 46 | def tearDown(self): |
| 47 | try: |
| 48 | del timeit._fake_timer |
| 49 | except AttributeError: |
| 50 | pass |
| 51 | |
| 52 | def test_reindent_empty(self): |
| 53 | self.assertEqual(timeit.reindent("", 0), "") |
| 54 | self.assertEqual(timeit.reindent("", 4), "") |
| 55 | |
| 56 | def test_reindent_single(self): |
| 57 | self.assertEqual(timeit.reindent("pass", 0), "pass") |
| 58 | self.assertEqual(timeit.reindent("pass", 4), "pass") |
| 59 | |
| 60 | def test_reindent_multi_empty(self): |
| 61 | self.assertEqual(timeit.reindent("\n\n", 0), "\n\n") |
| 62 | self.assertEqual(timeit.reindent("\n\n", 4), "\n \n ") |
| 63 | |
| 64 | def test_reindent_multi(self): |
| 65 | self.assertEqual(timeit.reindent( |
| 66 | "print()\npass\nbreak", 0), |
| 67 | "print()\npass\nbreak") |
| 68 | self.assertEqual(timeit.reindent( |
| 69 | "print()\npass\nbreak", 4), |
| 70 | "print()\n pass\n break") |
| 71 | |
| 72 | def test_timer_invalid_stmt(self): |
| 73 | self.assertRaises(ValueError, timeit.Timer, stmt=None) |
Serhiy Storchaka | 2bef585 | 2015-01-26 12:09:17 +0200 | [diff] [blame] | 74 | self.assertRaises(SyntaxError, timeit.Timer, stmt='return') |
| 75 | self.assertRaises(SyntaxError, timeit.Timer, stmt='yield') |
| 76 | self.assertRaises(SyntaxError, timeit.Timer, stmt='yield from ()') |
| 77 | self.assertRaises(SyntaxError, timeit.Timer, stmt='break') |
| 78 | self.assertRaises(SyntaxError, timeit.Timer, stmt='continue') |
| 79 | self.assertRaises(SyntaxError, timeit.Timer, stmt='from timeit import *') |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 80 | |
| 81 | def test_timer_invalid_setup(self): |
| 82 | self.assertRaises(ValueError, timeit.Timer, setup=None) |
Serhiy Storchaka | 2bef585 | 2015-01-26 12:09:17 +0200 | [diff] [blame] | 83 | self.assertRaises(SyntaxError, timeit.Timer, setup='return') |
| 84 | self.assertRaises(SyntaxError, timeit.Timer, setup='yield') |
| 85 | self.assertRaises(SyntaxError, timeit.Timer, setup='yield from ()') |
| 86 | self.assertRaises(SyntaxError, timeit.Timer, setup='break') |
| 87 | self.assertRaises(SyntaxError, timeit.Timer, setup='continue') |
| 88 | self.assertRaises(SyntaxError, timeit.Timer, setup='from timeit import *') |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 89 | |
Serhiy Storchaka | ced770d | 2015-07-15 22:11:36 +0300 | [diff] [blame] | 90 | fake_setup = "import timeit\ntimeit._fake_timer.setup()" |
| 91 | fake_stmt = "import timeit\ntimeit._fake_timer.inc()" |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 92 | |
| 93 | def fake_callable_setup(self): |
| 94 | self.fake_timer.setup() |
| 95 | |
| 96 | def fake_callable_stmt(self): |
| 97 | self.fake_timer.inc() |
| 98 | |
Antoine Pitrou | ef3b9ed | 2014-08-22 23:13:50 -0400 | [diff] [blame] | 99 | def timeit(self, stmt, setup, number=None, globals=None): |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 100 | self.fake_timer = FakeTimer() |
Antoine Pitrou | ef3b9ed | 2014-08-22 23:13:50 -0400 | [diff] [blame] | 101 | t = timeit.Timer(stmt=stmt, setup=setup, timer=self.fake_timer, |
| 102 | globals=globals) |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 103 | kwargs = {} |
| 104 | if number is None: |
| 105 | number = DEFAULT_NUMBER |
| 106 | else: |
| 107 | kwargs['number'] = number |
| 108 | delta_time = t.timeit(**kwargs) |
| 109 | self.assertEqual(self.fake_timer.setup_calls, 1) |
| 110 | self.assertEqual(self.fake_timer.count, number) |
| 111 | self.assertEqual(delta_time, number) |
| 112 | |
| 113 | # Takes too long to run in debug build. |
| 114 | #def test_timeit_default_iters(self): |
| 115 | # self.timeit(self.fake_stmt, self.fake_setup) |
| 116 | |
| 117 | def test_timeit_zero_iters(self): |
| 118 | self.timeit(self.fake_stmt, self.fake_setup, number=0) |
| 119 | |
| 120 | def test_timeit_few_iters(self): |
| 121 | self.timeit(self.fake_stmt, self.fake_setup, number=3) |
| 122 | |
| 123 | def test_timeit_callable_stmt(self): |
| 124 | self.timeit(self.fake_callable_stmt, self.fake_setup, number=3) |
| 125 | |
Serhiy Storchaka | f28fa66 | 2015-05-30 19:38:26 +0300 | [diff] [blame] | 126 | def test_timeit_callable_setup(self): |
| 127 | self.timeit(self.fake_stmt, self.fake_callable_setup, number=3) |
| 128 | |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 129 | def test_timeit_callable_stmt_and_setup(self): |
| 130 | self.timeit(self.fake_callable_stmt, |
| 131 | self.fake_callable_setup, number=3) |
| 132 | |
| 133 | # Takes too long to run in debug build. |
| 134 | #def test_timeit_function(self): |
| 135 | # delta_time = timeit.timeit(self.fake_stmt, self.fake_setup, |
| 136 | # timer=FakeTimer()) |
| 137 | # self.assertEqual(delta_time, DEFAULT_NUMBER) |
| 138 | |
| 139 | def test_timeit_function_zero_iters(self): |
| 140 | delta_time = timeit.timeit(self.fake_stmt, self.fake_setup, number=0, |
| 141 | timer=FakeTimer()) |
| 142 | self.assertEqual(delta_time, 0) |
| 143 | |
Antoine Pitrou | ef3b9ed | 2014-08-22 23:13:50 -0400 | [diff] [blame] | 144 | def test_timeit_globals_args(self): |
| 145 | global _global_timer |
| 146 | _global_timer = FakeTimer() |
| 147 | t = timeit.Timer(stmt='_global_timer.inc()', timer=_global_timer) |
| 148 | self.assertRaises(NameError, t.timeit, number=3) |
| 149 | timeit.timeit(stmt='_global_timer.inc()', timer=_global_timer, |
| 150 | globals=globals(), number=3) |
| 151 | local_timer = FakeTimer() |
| 152 | timeit.timeit(stmt='local_timer.inc()', timer=local_timer, |
| 153 | globals=locals(), number=3) |
| 154 | |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 155 | def repeat(self, stmt, setup, repeat=None, number=None): |
| 156 | self.fake_timer = FakeTimer() |
| 157 | t = timeit.Timer(stmt=stmt, setup=setup, timer=self.fake_timer) |
| 158 | kwargs = {} |
| 159 | if repeat is None: |
| 160 | repeat = DEFAULT_REPEAT |
| 161 | else: |
| 162 | kwargs['repeat'] = repeat |
| 163 | if number is None: |
| 164 | number = DEFAULT_NUMBER |
| 165 | else: |
| 166 | kwargs['number'] = number |
| 167 | delta_times = t.repeat(**kwargs) |
| 168 | self.assertEqual(self.fake_timer.setup_calls, repeat) |
| 169 | self.assertEqual(self.fake_timer.count, repeat * number) |
| 170 | self.assertEqual(delta_times, repeat * [float(number)]) |
| 171 | |
| 172 | # Takes too long to run in debug build. |
| 173 | #def test_repeat_default(self): |
| 174 | # self.repeat(self.fake_stmt, self.fake_setup) |
| 175 | |
| 176 | def test_repeat_zero_reps(self): |
| 177 | self.repeat(self.fake_stmt, self.fake_setup, repeat=0) |
| 178 | |
| 179 | def test_repeat_zero_iters(self): |
| 180 | self.repeat(self.fake_stmt, self.fake_setup, number=0) |
| 181 | |
| 182 | def test_repeat_few_reps_and_iters(self): |
| 183 | self.repeat(self.fake_stmt, self.fake_setup, repeat=3, number=5) |
| 184 | |
| 185 | def test_repeat_callable_stmt(self): |
| 186 | self.repeat(self.fake_callable_stmt, self.fake_setup, |
| 187 | repeat=3, number=5) |
| 188 | |
Serhiy Storchaka | f28fa66 | 2015-05-30 19:38:26 +0300 | [diff] [blame] | 189 | def test_repeat_callable_setup(self): |
| 190 | self.repeat(self.fake_stmt, self.fake_callable_setup, |
| 191 | repeat=3, number=5) |
| 192 | |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 193 | def test_repeat_callable_stmt_and_setup(self): |
| 194 | self.repeat(self.fake_callable_stmt, self.fake_callable_setup, |
| 195 | repeat=3, number=5) |
| 196 | |
| 197 | # Takes too long to run in debug build. |
| 198 | #def test_repeat_function(self): |
| 199 | # delta_times = timeit.repeat(self.fake_stmt, self.fake_setup, |
| 200 | # timer=FakeTimer()) |
| 201 | # self.assertEqual(delta_times, DEFAULT_REPEAT * [float(DEFAULT_NUMBER)]) |
| 202 | |
| 203 | def test_repeat_function_zero_reps(self): |
| 204 | delta_times = timeit.repeat(self.fake_stmt, self.fake_setup, repeat=0, |
| 205 | timer=FakeTimer()) |
| 206 | self.assertEqual(delta_times, []) |
| 207 | |
| 208 | def test_repeat_function_zero_iters(self): |
| 209 | delta_times = timeit.repeat(self.fake_stmt, self.fake_setup, number=0, |
| 210 | timer=FakeTimer()) |
| 211 | self.assertEqual(delta_times, DEFAULT_REPEAT * [0.0]) |
| 212 | |
| 213 | def assert_exc_string(self, exc_string, expected_exc_name): |
| 214 | exc_lines = exc_string.splitlines() |
| 215 | self.assertGreater(len(exc_lines), 2) |
| 216 | self.assertTrue(exc_lines[0].startswith('Traceback')) |
| 217 | self.assertTrue(exc_lines[-1].startswith(expected_exc_name)) |
| 218 | |
| 219 | def test_print_exc(self): |
| 220 | s = io.StringIO() |
| 221 | t = timeit.Timer("1/0") |
| 222 | try: |
| 223 | t.timeit() |
| 224 | except: |
| 225 | t.print_exc(s) |
| 226 | self.assert_exc_string(s.getvalue(), 'ZeroDivisionError') |
| 227 | |
Victor Stinner | 1b90115 | 2016-10-18 17:13:22 +0200 | [diff] [blame] | 228 | MAIN_DEFAULT_OUTPUT = "1 loop, best of 5: 1 sec per loop\n" |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 229 | |
| 230 | def run_main(self, seconds_per_increment=1.0, switches=None, timer=None): |
| 231 | if timer is None: |
| 232 | timer = FakeTimer(seconds_per_increment=seconds_per_increment) |
| 233 | if switches is None: |
| 234 | args = [] |
| 235 | else: |
| 236 | args = switches[:] |
| 237 | args.append(self.fake_stmt) |
| 238 | # timeit.main() modifies sys.path, so save and restore it. |
| 239 | orig_sys_path = sys.path[:] |
| 240 | with captured_stdout() as s: |
| 241 | timeit.main(args=args, _wrap_timer=timer.wrap_timer) |
| 242 | sys.path[:] = orig_sys_path[:] |
| 243 | return s.getvalue() |
| 244 | |
| 245 | def test_main_bad_switch(self): |
| 246 | s = self.run_main(switches=['--bad-switch']) |
| 247 | self.assertEqual(s, dedent("""\ |
| 248 | option --bad-switch not recognized |
| 249 | use -h/--help for command line help |
| 250 | """)) |
| 251 | |
| 252 | def test_main_seconds(self): |
| 253 | s = self.run_main(seconds_per_increment=5.5) |
Victor Stinner | 1b90115 | 2016-10-18 17:13:22 +0200 | [diff] [blame] | 254 | self.assertEqual(s, "1 loop, best of 5: 5.5 sec per loop\n") |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 255 | |
| 256 | def test_main_milliseconds(self): |
| 257 | s = self.run_main(seconds_per_increment=0.0055) |
Serhiy Storchaka | d3ff784 | 2016-10-23 15:17:05 +0300 | [diff] [blame] | 258 | self.assertEqual(s, "50 loops, best of 5: 5.5 msec per loop\n") |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 259 | |
| 260 | def test_main_microseconds(self): |
| 261 | s = self.run_main(seconds_per_increment=0.0000025, switches=['-n100']) |
Victor Stinner | 1b90115 | 2016-10-18 17:13:22 +0200 | [diff] [blame] | 262 | self.assertEqual(s, "100 loops, best of 5: 2.5 usec per loop\n") |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 263 | |
| 264 | def test_main_fixed_iters(self): |
| 265 | s = self.run_main(seconds_per_increment=2.0, switches=['-n35']) |
Victor Stinner | 1b90115 | 2016-10-18 17:13:22 +0200 | [diff] [blame] | 266 | self.assertEqual(s, "35 loops, best of 5: 2 sec per loop\n") |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 267 | |
| 268 | def test_main_setup(self): |
| 269 | s = self.run_main(seconds_per_increment=2.0, |
| 270 | switches=['-n35', '-s', 'print("CustomSetup")']) |
Victor Stinner | 1b90115 | 2016-10-18 17:13:22 +0200 | [diff] [blame] | 271 | self.assertEqual(s, "CustomSetup\n" * DEFAULT_REPEAT + |
| 272 | "35 loops, best of 5: 2 sec per loop\n") |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 273 | |
Serhiy Storchaka | ced770d | 2015-07-15 22:11:36 +0300 | [diff] [blame] | 274 | def test_main_multiple_setups(self): |
| 275 | s = self.run_main(seconds_per_increment=2.0, |
| 276 | switches=['-n35', '-s', 'a = "CustomSetup"', '-s', 'print(a)']) |
Victor Stinner | 1b90115 | 2016-10-18 17:13:22 +0200 | [diff] [blame] | 277 | self.assertEqual(s, "CustomSetup\n" * DEFAULT_REPEAT + |
| 278 | "35 loops, best of 5: 2 sec per loop\n") |
Serhiy Storchaka | ced770d | 2015-07-15 22:11:36 +0300 | [diff] [blame] | 279 | |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 280 | def test_main_fixed_reps(self): |
| 281 | s = self.run_main(seconds_per_increment=60.0, switches=['-r9']) |
Victor Stinner | f8fb82c | 2016-10-18 17:06:56 +0200 | [diff] [blame] | 282 | self.assertEqual(s, "1 loop, best of 9: 60 sec per loop\n") |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 283 | |
| 284 | def test_main_negative_reps(self): |
| 285 | s = self.run_main(seconds_per_increment=60.0, switches=['-r-5']) |
Victor Stinner | f8fb82c | 2016-10-18 17:06:56 +0200 | [diff] [blame] | 286 | self.assertEqual(s, "1 loop, best of 1: 60 sec per loop\n") |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 287 | |
Benjamin Peterson | a5c4090 | 2012-10-12 11:44:19 -0400 | [diff] [blame] | 288 | @unittest.skipIf(sys.flags.optimize >= 2, "need __doc__") |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 289 | def test_main_help(self): |
| 290 | s = self.run_main(switches=['-h']) |
| 291 | # Note: It's not clear that the trailing space was intended as part of |
| 292 | # the help text, but since it's there, check for it. |
| 293 | self.assertEqual(s, timeit.__doc__ + ' ') |
| 294 | |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 295 | def test_main_verbose(self): |
| 296 | s = self.run_main(switches=['-v']) |
| 297 | self.assertEqual(s, dedent("""\ |
Victor Stinner | f8fb82c | 2016-10-18 17:06:56 +0200 | [diff] [blame] | 298 | 1 loop -> 1 secs |
Victor Stinner | 62cca92 | 2016-10-18 17:55:18 +0200 | [diff] [blame] | 299 | |
Victor Stinner | 61de57f | 2016-10-18 17:56:42 +0200 | [diff] [blame] | 300 | raw times: 1 sec, 1 sec, 1 sec, 1 sec, 1 sec |
Victor Stinner | 62cca92 | 2016-10-18 17:55:18 +0200 | [diff] [blame] | 301 | |
Victor Stinner | 1b90115 | 2016-10-18 17:13:22 +0200 | [diff] [blame] | 302 | 1 loop, best of 5: 1 sec per loop |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 303 | """)) |
| 304 | |
| 305 | def test_main_very_verbose(self): |
Serhiy Storchaka | d3ff784 | 2016-10-23 15:17:05 +0300 | [diff] [blame] | 306 | s = self.run_main(seconds_per_increment=0.000_030, switches=['-vv']) |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 307 | self.assertEqual(s, dedent("""\ |
Serhiy Storchaka | d3ff784 | 2016-10-23 15:17:05 +0300 | [diff] [blame] | 308 | 1 loop -> 3e-05 secs |
| 309 | 2 loops -> 6e-05 secs |
| 310 | 5 loops -> 0.00015 secs |
| 311 | 10 loops -> 0.0003 secs |
| 312 | 20 loops -> 0.0006 secs |
| 313 | 50 loops -> 0.0015 secs |
| 314 | 100 loops -> 0.003 secs |
| 315 | 200 loops -> 0.006 secs |
| 316 | 500 loops -> 0.015 secs |
| 317 | 1000 loops -> 0.03 secs |
| 318 | 2000 loops -> 0.06 secs |
| 319 | 5000 loops -> 0.15 secs |
| 320 | 10000 loops -> 0.3 secs |
Victor Stinner | 62cca92 | 2016-10-18 17:55:18 +0200 | [diff] [blame] | 321 | |
Serhiy Storchaka | d3ff784 | 2016-10-23 15:17:05 +0300 | [diff] [blame] | 322 | raw times: 300 msec, 300 msec, 300 msec, 300 msec, 300 msec |
Victor Stinner | 62cca92 | 2016-10-18 17:55:18 +0200 | [diff] [blame] | 323 | |
Serhiy Storchaka | d3ff784 | 2016-10-23 15:17:05 +0300 | [diff] [blame] | 324 | 10000 loops, best of 5: 30 usec per loop |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 325 | """)) |
| 326 | |
Robert Collins | 302dbc6 | 2015-03-18 09:54:50 +1300 | [diff] [blame] | 327 | def test_main_with_time_unit(self): |
Serhiy Storchaka | d3ff784 | 2016-10-23 15:17:05 +0300 | [diff] [blame] | 328 | unit_sec = self.run_main(seconds_per_increment=0.003, |
Robert Collins | 302dbc6 | 2015-03-18 09:54:50 +1300 | [diff] [blame] | 329 | switches=['-u', 'sec']) |
| 330 | self.assertEqual(unit_sec, |
Serhiy Storchaka | d3ff784 | 2016-10-23 15:17:05 +0300 | [diff] [blame] | 331 | "100 loops, best of 5: 0.003 sec per loop\n") |
| 332 | unit_msec = self.run_main(seconds_per_increment=0.003, |
Robert Collins | 302dbc6 | 2015-03-18 09:54:50 +1300 | [diff] [blame] | 333 | switches=['-u', 'msec']) |
| 334 | self.assertEqual(unit_msec, |
Serhiy Storchaka | d3ff784 | 2016-10-23 15:17:05 +0300 | [diff] [blame] | 335 | "100 loops, best of 5: 3 msec per loop\n") |
| 336 | unit_usec = self.run_main(seconds_per_increment=0.003, |
Robert Collins | 302dbc6 | 2015-03-18 09:54:50 +1300 | [diff] [blame] | 337 | switches=['-u', 'usec']) |
| 338 | self.assertEqual(unit_usec, |
Serhiy Storchaka | d3ff784 | 2016-10-23 15:17:05 +0300 | [diff] [blame] | 339 | "100 loops, best of 5: 3e+03 usec per loop\n") |
Robert Collins | 302dbc6 | 2015-03-18 09:54:50 +1300 | [diff] [blame] | 340 | # Test invalid unit input |
| 341 | with captured_stderr() as error_stringio: |
Serhiy Storchaka | d3ff784 | 2016-10-23 15:17:05 +0300 | [diff] [blame] | 342 | invalid = self.run_main(seconds_per_increment=0.003, |
Robert Collins | 302dbc6 | 2015-03-18 09:54:50 +1300 | [diff] [blame] | 343 | switches=['-u', 'parsec']) |
| 344 | self.assertEqual(error_stringio.getvalue(), |
Victor Stinner | c3e40f8 | 2016-10-18 17:42:48 +0200 | [diff] [blame] | 345 | "Unrecognized unit. Please select nsec, usec, msec, or sec.\n") |
Robert Collins | 302dbc6 | 2015-03-18 09:54:50 +1300 | [diff] [blame] | 346 | |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 347 | def test_main_exception(self): |
| 348 | with captured_stderr() as error_stringio: |
| 349 | s = self.run_main(switches=['1/0']) |
| 350 | self.assert_exc_string(error_stringio.getvalue(), 'ZeroDivisionError') |
| 351 | |
| 352 | def test_main_exception_fixed_reps(self): |
| 353 | with captured_stderr() as error_stringio: |
| 354 | s = self.run_main(switches=['-n1', '1/0']) |
| 355 | self.assert_exc_string(error_stringio.getvalue(), 'ZeroDivisionError') |
| 356 | |
Serhiy Storchaka | d3ff784 | 2016-10-23 15:17:05 +0300 | [diff] [blame] | 357 | def autorange(self, seconds_per_increment=1/1024, callback=None): |
Victor Stinner | f8fb82c | 2016-10-18 17:06:56 +0200 | [diff] [blame] | 358 | timer = FakeTimer(seconds_per_increment=seconds_per_increment) |
Steven D'Aprano | 09f4f71 | 2016-08-15 01:27:03 +1000 | [diff] [blame] | 359 | t = timeit.Timer(stmt=self.fake_stmt, setup=self.fake_setup, timer=timer) |
| 360 | return t.autorange(callback) |
| 361 | |
| 362 | def test_autorange(self): |
| 363 | num_loops, time_taken = self.autorange() |
Serhiy Storchaka | d3ff784 | 2016-10-23 15:17:05 +0300 | [diff] [blame] | 364 | self.assertEqual(num_loops, 500) |
| 365 | self.assertEqual(time_taken, 500/1024) |
Steven D'Aprano | 09f4f71 | 2016-08-15 01:27:03 +1000 | [diff] [blame] | 366 | |
Victor Stinner | f8fb82c | 2016-10-18 17:06:56 +0200 | [diff] [blame] | 367 | def test_autorange_second(self): |
| 368 | num_loops, time_taken = self.autorange(seconds_per_increment=1.0) |
| 369 | self.assertEqual(num_loops, 1) |
| 370 | self.assertEqual(time_taken, 1.0) |
| 371 | |
Steven D'Aprano | 09f4f71 | 2016-08-15 01:27:03 +1000 | [diff] [blame] | 372 | def test_autorange_with_callback(self): |
| 373 | def callback(a, b): |
| 374 | print("{} {:.3f}".format(a, b)) |
| 375 | with captured_stdout() as s: |
Victor Stinner | f8fb82c | 2016-10-18 17:06:56 +0200 | [diff] [blame] | 376 | num_loops, time_taken = self.autorange(callback=callback) |
Serhiy Storchaka | d3ff784 | 2016-10-23 15:17:05 +0300 | [diff] [blame] | 377 | self.assertEqual(num_loops, 500) |
| 378 | self.assertEqual(time_taken, 500/1024) |
Victor Stinner | f8fb82c | 2016-10-18 17:06:56 +0200 | [diff] [blame] | 379 | expected = ('1 0.001\n' |
Serhiy Storchaka | d3ff784 | 2016-10-23 15:17:05 +0300 | [diff] [blame] | 380 | '2 0.002\n' |
| 381 | '5 0.005\n' |
Victor Stinner | f8fb82c | 2016-10-18 17:06:56 +0200 | [diff] [blame] | 382 | '10 0.010\n' |
Serhiy Storchaka | d3ff784 | 2016-10-23 15:17:05 +0300 | [diff] [blame] | 383 | '20 0.020\n' |
| 384 | '50 0.049\n' |
| 385 | '100 0.098\n' |
| 386 | '200 0.195\n' |
| 387 | '500 0.488\n') |
Steven D'Aprano | 09f4f71 | 2016-08-15 01:27:03 +1000 | [diff] [blame] | 388 | self.assertEqual(s.getvalue(), expected) |
| 389 | |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 390 | |
R David Murray | a88da67 | 2011-03-16 17:32:27 -0400 | [diff] [blame] | 391 | if __name__ == '__main__': |
Zachary Ware | 38c707e | 2015-04-13 15:00:43 -0500 | [diff] [blame] | 392 | unittest.main() |