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Change the strategy for coping with time intensive tests from 

"all or none" to "all or some".

This provides much greater test coverage without eating much time.
It also makes it more likely that routine regression testing will
unearth bugs.
This commit is contained in:
Raymond Hettinger 2004-09-04 20:09:13 +00:00
parent 1fbf9c5ec1
commit ed20ad8473
2 changed files with 17 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
Lib/test/test_compiler.py
View File

@ -2,6 +2,7 @@ import compiler
import os import os
import test.test_support import test.test_support
import unittest import unittest
from random import random
class CompilerTest(unittest.TestCase): class CompilerTest(unittest.TestCase):
@ -18,6 +19,8 @@ class CompilerTest(unittest.TestCase):
for basename in os.listdir(dir): for basename in os.listdir(dir):
if not basename.endswith(".py"): if not basename.endswith(".py"):
continue continue
if not TEST_ALL and random() < 0.98:
continue
path = os.path.join(dir, basename) path = os.path.join(dir, basename)
if test.test_support.verbose: if test.test_support.verbose:
print "compiling", path print "compiling", path
@ -31,7 +34,8 @@ class CompilerTest(unittest.TestCase):
compiler.compile(buf, basename, "exec") compiler.compile(buf, basename, "exec")
def test_main(): def test_main():
test.test_support.requires("compiler") global TEST_ALL
TEST_ALL = test.test_support.is_resource_enabled("compiler")
test.test_support.run_unittest(CompilerTest) test.test_support.run_unittest(CompilerTest)
if __name__ == "__main__": if __name__ == "__main__":

19
Lib/test/test_decimal.py
View File

@ -181,6 +181,10 @@ class DecimalTest(unittest.TestCase):
def eval_equation(self, s): def eval_equation(self, s):
#global DEFAULT_PRECISION #global DEFAULT_PRECISION
#print DEFAULT_PRECISION #print DEFAULT_PRECISION
if not TEST_ALL and random.random() < 0.90:
return
try: try:
Sides = s.split('->') Sides = s.split('->')
L = Sides[0].strip().split() L = Sides[0].strip().split()
@ -997,9 +1001,13 @@ class ContextAPItests(unittest.TestCase):
def test_main(arith=False, verbose=None): def test_main(arith=False, verbose=None):
""" Execute the tests. """ Execute the tests.
Runs arithmetic tests if arith is True or if the "decimal" resource Runs all arithmetic tests if arith is True or if the "decimal" resource
is enables in regrtest.py is enabled in regrtest.py
""" """
global TEST_ALL
TEST_ALL = arith or is_resource_enabled('decimal')
test_classes = [ test_classes = [
DecimalExplicitConstructionTest, DecimalExplicitConstructionTest,
DecimalImplicitConstructionTest, DecimalImplicitConstructionTest,
@ -1008,20 +1016,17 @@ def test_main(arith=False, verbose=None):
DecimalUsabilityTest, DecimalUsabilityTest,
DecimalPythonAPItests, DecimalPythonAPItests,
ContextAPItests, ContextAPItests,
DecimalTest,
] ]
if arith or is_resource_enabled('decimal'):
test_classes.extend([DecimalTest])
run_unittest(*test_classes) run_unittest(*test_classes)
import decimal as DecimalModule import decimal as DecimalModule
run_doctest(DecimalModule, verbose) run_doctest(DecimalModule, verbose)
return
if __name__ == '__main__': if __name__ == '__main__':
# Calling with no arguments runs all tests. # Calling with no arguments runs all tests.
# Calling with "Skip" will skipover the arithmetic tests. # Calling with "Skip" will skip over 90% of the arithmetic tests.
if len(sys.argv) == 1: if len(sys.argv) == 1:
test_main(arith=True, verbose=True) test_main(arith=True, verbose=True)
elif len(sys.argv) == 2: elif len(sys.argv) == 2: