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bpo-35513, unittest: TextTestRunner uses time.perf_counter() (GH-11180)

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TextTestRunner of unittest.runner now uses time.perf_counter() rather
than time.time() to measure the execution time of a test: time.time()
can go backwards, whereas time.perf_counter() is monotonic.

Similar change made in libregrtest, pprint and random.
This commit is contained in:
Victor Stinner 2018-12-17 11:30:34 +01:00 • committed by GitHub
parent 2cf4c202ff
commit 8db5b54463
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6 changed files with 19 additions and 15 deletions
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4
Lib/random.py
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@ -740,14 +740,14 @@ def _test_generator(n, func, args):
sqsum = 0.0
smallest = 1e10
largest = -1e10
t0 = time.time()
t0 = time.perf_counter()
for i in range(n):
x = func(*args)
total += x
sqsum = sqsum + x*x
smallest = min(x, smallest)
largest = max(x, largest)
t1 = time.time()
t1 = time.perf_counter()
print(round(t1-t0, 3), 'sec,', end=' ')
avg = total/n
stddev = _sqrt(sqsum/n - avg*avg)