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test_util: add more coverage for assertutil.py

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Brian Warner 2007-04-08 13:02:13 -07:00
parent 6f4280cc38
commit 64ea644a48
1 changed files with 64 additions and 0 deletions
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64
src/allmydata/test/test_util.py
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@ -4,6 +4,7 @@ def foo(): pass # keep the line number constant
from twisted.trial import unittest from twisted.trial import unittest
from allmydata.util import bencode, idlib, humanreadable, mathutil from allmydata.util import bencode, idlib, humanreadable, mathutil
from allmydata.util import assertutil
class IDLib(unittest.TestCase): class IDLib(unittest.TestCase):
@ -206,3 +207,66 @@ class Math(unittest.TestCase):
self.failUnlessEqual(f([0,0,0,4]), 1) self.failUnlessEqual(f([0,0,0,4]), 1)
self.failUnlessAlmostEqual(f([0.0, 1.0, 1.0]), .666666666666) self.failUnlessAlmostEqual(f([0.0, 1.0, 1.0]), .666666666666)
class Asserts(unittest.TestCase):
def should_assert(self, func, *args, **kwargs):
try:
func(*args, **kwargs)
except AssertionError, e:
return str(e)
except Exception, e:
self.fail("assert failed with non-AssertionError: %s" % e)
self.fail("assert was not caught")
def should_not_assert(self, func, *args, **kwargs):
if "re" in kwargs:
regexp = kwargs["re"]
del kwargs["re"]
try:
func(*args, **kwargs)
except AssertionError, e:
self.fail("assertion fired when it should not have: %s" % e)
except Exception, e:
self.fail("assertion (which shouldn't have failed) failed with non-AssertionError: %s" % e)
return # we're happy
def test_assert(self):
f = assertutil._assert
self.should_assert(f)
self.should_assert(f, False)
self.should_not_assert(f, True)
m = self.should_assert(f, False, "message")
self.failUnlessEqual(m, "'message' <type 'str'>", m)
m = self.should_assert(f, False, "message1", othermsg=12)
self.failUnlessEqual("'message1' <type 'str'>, othermsg: 12 <type 'int'>", m)
m = self.should_assert(f, False, othermsg="message2")
self.failUnlessEqual("othermsg: 'message2' <type 'str'>", m)
def test_precondition(self):
f = assertutil.precondition
self.should_assert(f)
self.should_assert(f, False)
self.should_not_assert(f, True)
m = self.should_assert(f, False, "message")
self.failUnlessEqual("precondition: 'message' <type 'str'>", m)
m = self.should_assert(f, False, "message1", othermsg=12)
self.failUnlessEqual("precondition: 'message1' <type 'str'>, othermsg: 12 <type 'int'>", m)
m = self.should_assert(f, False, othermsg="message2")
self.failUnlessEqual("precondition: othermsg: 'message2' <type 'str'>", m)
def test_postcondition(self):
f = assertutil.postcondition
self.should_assert(f)
self.should_assert(f, False)
self.should_not_assert(f, True)
m = self.should_assert(f, False, "message")
self.failUnlessEqual("postcondition: 'message' <type 'str'>", m)
m = self.should_assert(f, False, "message1", othermsg=12)
self.failUnlessEqual("postcondition: 'message1' <type 'str'>, othermsg: 12 <type 'int'>", m)
m = self.should_assert(f, False, othermsg="message2")
self.failUnlessEqual("postcondition: othermsg: 'message2' <type 'str'>", m)