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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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12
Lib/test/time_hashlib.py
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@ -14,26 +14,26 @@ def test_scaled_msg(scale, name):
longStr = b'Z'*scale
localCF = creatorFunc
start = time.time()
start = time.perf_counter()
for f in range(iterations):
x = localCF(longStr).digest()
end = time.time()
end = time.perf_counter()
print(('%2.2f' % (end-start)), "seconds", iterations, "x", len(longStr), "bytes", name)
def test_create():
start = time.time()
start = time.perf_counter()
for f in range(20000):
d = creatorFunc()
end = time.time()
end = time.perf_counter()
print(('%2.2f' % (end-start)), "seconds", '[20000 creations]')
def test_zero():
start = time.time()
start = time.perf_counter()
for f in range(20000):
x = creatorFunc().digest()
end = time.time()
end = time.perf_counter()
print(('%2.2f' % (end-start)), "seconds", '[20000 "" digests]')