def test_dict():
d = Asserter(dict(a=3))
"a" in d
with assert_raises():
"b" in d
d["a"] == 3
with assert_raises():
d["a"] == 4
d.keys() == ["a"]
with assert_raises():
d.keys() == ["b"]
def test_list():
orig = range(10)
l = Asserter(orig)
l.is_(orig)
l.length() == 10
with assert_raises():
l.length() == 9
class TestCase:
"""Model for a unit test.
"""
def run(self):
"""Run the tests. Executes every function whose name starts
with 'test'.
"""
if self.asserter == None:
self.asserter = Asserter()
self.asserter.reset()
functions = [func for func in dir(self) \
if func.startswith('test')]
self.setUpBeforeClass() # One-time global set up.
# Execute every function.
for func in functions:
# Notify the asserter a new function is beginning.
self.asserter.enter(func)
self.setUp()
try:
getattr(self, func)() # Launch function
except Exception as exc: # Catch uncaught exceptions
self.asserter.catchException(exc)
self.tearDown()
self.tearDownAfterClass() # Final tear down
print('Test result:', self.asserter) # Print result
def setUpBeforeClass(self):
"""One-time set up before all the test functions are launched.
"""
pass
def tearDownAfterClass(self):
"""One-time tear down, called when all the tests have been realized.
"""
pass
def setUp(self):
"""Set up ressources. Is called before every function launch.
"""
pass
def tearDown(self):
"""Tear down ressources. Is called after every function launch.
"""
pass
def run(self):
"""Run the tests. Executes every function whose name starts
with 'test'.
"""
if self.asserter == None:
self.asserter = Asserter()
self.asserter.reset()
functions = [func for func in dir(self) \
if func.startswith('test')]
self.setUpBeforeClass() # One-time global set up.
# Execute every function.
for func in functions:
# Notify the asserter a new function is beginning.
self.asserter.enter(func)
self.setUp()
try:
getattr(self, func)() # Launch function
except Exception as exc: # Catch uncaught exceptions
self.asserter.catchException(exc)
self.tearDown()
self.tearDownAfterClass() # Final tear down
print('Test result:', self.asserter) # Print result
def test_nested():
orig = Dog(13)
obj = Asserter(orig)
obj.is_(orig)
obj.isinstance(Dog)
with assert_raises():
obj.isinstance(int)
obj.say() == "woof"
with assert_raises():
obj.say() == "quack"
obj.age == 13
with assert_raises():
obj.age == 15
