cms/test_utils/runners.py
import operator
import time
from django.test.simple import DjangoTestSuiteRunner
from django.utils.encoding import force_str
from django.utils.unittest import TestSuite
TIMINGS = {}
def time_it(func):
def _inner(*args, **kwargs):
start = time.time()
func(*args, **kwargs)
end = time.time()
TIMINGS[force_str(func)] = end - start
return _inner
class TimingSuite(TestSuite):
def addTest(self, test):
test = time_it(test)
super().addTest(test)
class TimedTestRunner(DjangoTestSuiteRunner):
def build_suite(self, test_labels, extra_tests=None, **kwargs):
suite = super().build_suite(test_labels, extra_tests, **kwargs)
return TimingSuite(suite)
def teardown_test_environment(self, **kwargs):
super().teardown_test_environment(**kwargs)
by_time = sorted(
TIMINGS.items(),
key=operator.itemgetter(1),
reverse=True)[:10]
print("Ten slowest tests:")
for func_name, timing in by_time:
print("{t:.2f}s {f}".format(f=func_name, t=timing))