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"""Default driver for run tests (run-*.test).
This imports the 'native' module (containing the compiled test cases)
and calls each function starting with test_, and reports any
exceptions as failures.
Test cases can provide a custom driver.py that overrides this file.
"""
import sys
import native
failures = []
for name in dir(native):
if name.startswith('test_'):
test_func = getattr(native, name)
try:
test_func()
except Exception as e:
failures.append(sys.exc_info())
if failures:
from traceback import print_exception, format_tb
import re
def extract_line(tb):
formatted = '\n'.join(format_tb(tb))
m = re.search('File "native.py", line ([0-9]+), in test_', formatted)
return m.group(1)
# Sort failures by line number of test function.
failures = sorted(failures, key=lambda e: extract_line(e[2]))
# If there are multiple failures, print stack traces of all but the final failure.
for e in failures[:-1]:
print_exception(*e)
print()
# Raise exception for the last failure. Test runner will show the traceback.
raise failures[-1][1]
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