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import sys
import time
import unittest
from nose.tools import *
compat_24 = sys.version_info >= (2, 4)
class TestTools(unittest.TestCase):
def test_ok(self):
ok_(True)
try:
ok_(False, "message")
except AssertionError, e:
assert str(e) == "message"
else:
self.fail("ok_(False) did not raise assertion error")
def test_eq(self):
eq_(1, 1)
try:
eq_(1, 0, "message")
except AssertionError, e:
assert str(e) == "message"
else:
self.fail("eq_(1, 0) did not raise assertion error")
try:
eq_(1, 0)
except AssertionError, e:
assert str(e) == "1 != 0"
else:
self.fail("eq_(1, 0) did not raise assertion error")
def test_eq_unittest_flag(self):
"""Make sure eq_() is in a namespace that has __unittest = 1.
This lets tracebacks refrain from descending into the eq_ frame.
"""
assert '__unittest' in eq_.func_globals
def test_istest_unittest_flag(self):
"""Make sure istest() is not in a namespace that has __unittest = 1.
That is, make sure our __unittest labeling didn't get overzealous.
"""
assert '__unittest' not in istest.func_globals
def test_raises(self):
from nose.case import FunctionTestCase
def raise_typeerror():
raise TypeError("foo")
def noraise():
pass
raise_good = raises(TypeError)(raise_typeerror)
raise_other = raises(ValueError)(raise_typeerror)
no_raise = raises(TypeError)(noraise)
tc = FunctionTestCase(raise_good)
self.assertEqual(str(tc), "%s.%s" % (__name__, 'raise_typeerror'))
raise_good()
try:
raise_other()
except TypeError, e:
pass
else:
self.fail("raises did pass through unwanted exception")
try:
no_raise()
except AssertionError, e:
pass
else:
self.fail("raises did not raise assertion error on no exception")
def test_timed(self):
def too_slow():
time.sleep(.3)
too_slow = timed(.2)(too_slow)
def quick():
time.sleep(.1)
quick = timed(.2)(quick)
quick()
try:
too_slow()
except TimeExpired:
pass
else:
self.fail("Slow test did not throw TimeExpired")
def test_make_decorator(self):
def func():
pass
func.setup = 'setup'
func.teardown = 'teardown'
def f1():
pass
f2 = make_decorator(func)(f1)
assert f2.setup == 'setup'
assert f2.teardown == 'teardown'
def test_nested_decorators(self):
from nose.tools import raises, timed, with_setup
def test():
pass
def foo():
pass
test = with_setup(foo, foo)(test)
test = timed(1.0)(test)
test = raises(TypeError)(test)
assert test.setup == foo
assert test.teardown == foo
def test_decorator_func_sorting(self):
from nose.tools import raises, timed, with_setup
from nose.util import func_lineno
def test1():
pass
def test2():
pass
def test3():
pass
def foo():
pass
test1_pos = func_lineno(test1)
test2_pos = func_lineno(test2)
test3_pos = func_lineno(test3)
test1 = raises(TypeError)(test1)
test2 = timed(1.0)(test2)
test3 = with_setup(foo)(test3)
self.assertEqual(func_lineno(test1), test1_pos)
self.assertEqual(func_lineno(test2), test2_pos)
self.assertEqual(func_lineno(test3), test3_pos)
def test_testcase_funcs(self):
import nose.tools
tc_asserts = [ at for at in dir(nose.tools)
if at.startswith('assert_') ]
print tc_asserts
# FIXME: not sure which of these are in all supported
# versions of python
assert 'assert_raises' in tc_asserts
if compat_24:
assert 'assert_true' in tc_asserts
def test_multiple_with_setup(self):
from nose.tools import with_setup
from nose.case import FunctionTestCase
from unittest import TestResult
called = []
def test():
called.append('test')
def test2():
called.append('test2')
def test3():
called.append('test3')
def s1():
called.append('s1')
def s2():
called.append('s2')
def s3():
called.append('s3')
def t1():
called.append('t1')
def t2():
called.append('t2')
def t3():
called.append('t3')
ws1 = with_setup(s1, t1)(test)
case1 = FunctionTestCase(ws1)
case1(TestResult())
self.assertEqual(called, ['s1', 'test', 't1'])
called[:] = []
ws2 = with_setup(s2, t2)(test2)
ws2 = with_setup(s1, t1)(ws2)
case2 = FunctionTestCase(ws2)
case2(TestResult())
self.assertEqual(called, ['s1', 's2', 'test2', 't2', 't1'])
called[:] = []
ws3 = with_setup(s3, t3)(test3)
ws3 = with_setup(s2, t2)(ws3)
ws3 = with_setup(s1, t1)(ws3)
case3 = FunctionTestCase(ws3)
case3(TestResult())
self.assertEqual(called, ['s1', 's2', 's3',
'test3', 't3', 't2', 't1'])
if __name__ == '__main__':
unittest.main()
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