def test_error_call(self):
"""tests that a cleanup generator catches exceptions raised by an iterator and cleans up afterwards"""
class MyFailingIterator(object):
def __init__(self):
self.n = 0
def __iter__(self):
return self
def next(self):
self.n += 1
if self.n == 3:
raise ValueError("self.n is %s" % self.n)
return self.n
i = MyFailingIterator()
def cleanup():
cleanup.cleanup_called = True
cleanup.cleanup_called = False
g = CleanupIterator.CleanupIterator(i, cleanup)
def receive(g):
receive.result = []
for item in g:
receive.result.append(item)
assert raises(ValueError, receive, g)
assert cleanup.cleanup_called
assert receive.result == [1, 2]
# make sure that we do not allow the iterator to continue after an exception has been raised
assert raises(StopIteration, g.next)
def test_error_call(self):
"""tests that a cleanup generator catches exceptions raised by an iterator and cleans up afterwards"""
class MyFailingIterator(object):
def __init__(self):
self.n = 0
def __iter__(self):
return self
def next(self):
self.n += 1
if self.n == 3:
raise ValueError("self.n is %s" % self.n)
return self.n
i = MyFailingIterator()
def cleanup():
cleanup.cleanup_called = True
cleanup.cleanup_called = False
g = CleanupIterator.CleanupIterator(i, cleanup)
def receive(g):
receive.result = []
for item in g:
receive.result.append(item)
assert raises(ValueError, receive, g)
assert cleanup.cleanup_called
assert receive.result == [1, 2]
# make sure that we do not allow the iterator to continue after an exception has been raised
assert raises(StopIteration, g.next)
def test_missing_attr(self):
d = DictUtils.setattrdict()
d.VaLuE = 5
assert "HeGeMoNy" not in d.keys()
assert d.get("HeGeMoNy", 5) == 5
assert raises(KeyError, d.__getitem__, "HeGeMoNy")
assert getattr(d, "HeGeMoNy", 9) == 9
assert raises(AttributeError, getattr, d, "HeGeMoNy")
def test_temperature_converter():
temp_conv = Converters.TemperatureConverter()
assert temp_conv.string_to_units(
'degC') == Converters.TemperatureConverter.CELSIUS
assert temp_conv.convert_from(32, temp_conv.string_to_units('degF')) == 0
assert temp_conv.convert_to(0, temp_conv.string_to_units('degF')) == 32
assert raises(NotImplementedError, temp_conv.convert_from, 32, 'degF')
assert raises(NotImplementedError, temp_conv.convert_to, 0, 'degC')
def test_decorator_calling_frame_arg(self):
"""tests that a decorated function can get the frame of the calling function"""
frames_so_far = len(getattr(self.g, "call_frames", []))
callf_decorator = Decorators.decorator(self.callfdec, ['y', ('z', 3)], calling_frame_arg="calling_frame")
callf_g = callf_decorator(self.g)
assert callf_g(100, 4) == 100 + 12 + 25
assert len(self.g.call_frames) == frames_so_far + 1
call_frame = self.g.call_frames[-1]
assert call_frame
assert call_frame.f_code.co_name == "test_decorator_calling_frame_arg"
# check that calling_frame can't be overridden
some_frame = Decorators.inspect.currentframe()
raises(TypeError, callf_g, 100, 4, calling_frame=some_frame)
raises(TypeError, callf_g, 100, 4, some_frame)
def test_decorator_lambda_calling_frame_arg(self):
"""tests that a decorated function can get the frame of the calling function when a lambda is being decorated"""
l = lambda x: x + 21
frames_so_far = len(getattr(l, "call_frames", []))
callf_decorator = Decorators.decorator(self.callfdec, ['y', ('z', 3)], calling_frame_arg="calling_frame")
callf_l = callf_decorator(l)
assert callf_l(100, 4) == 100 + 12 + 21
assert len(l.call_frames) == frames_so_far + 1
call_frame = l.call_frames[-1]
assert call_frame
assert call_frame.f_code.co_name == "test_decorator_lambda_calling_frame_arg"
# check that calling_frame can't be overridden
some_frame = Decorators.inspect.currentframe()
raises(TypeError, callf_l, 100, 4, calling_frame=some_frame)
raises(TypeError, callf_l, 100, 4, some_frame)
def test_decorator_calling_frame_arg(self):
"""tests that a decorated function can get the frame of the calling function"""
frames_so_far = len(getattr(self.g, "call_frames", []))
callf_decorator = Decorators.decorator(
self.callfdec, ['y', ('z', 3)], calling_frame_arg="calling_frame")
callf_g = callf_decorator(self.g)
assert callf_g(100, 4) == 100 + 12 + 25
assert len(self.g.call_frames) == frames_so_far + 1
call_frame = self.g.call_frames[-1]
assert call_frame
assert call_frame.f_code.co_name == "test_decorator_calling_frame_arg"
# check that calling_frame can't be overridden
some_frame = Decorators.inspect.currentframe()
raises(TypeError, callf_g, 100, 4, calling_frame=some_frame)
raises(TypeError, callf_g, 100, 4, some_frame)
def test_purge(self):
d = TimeCache.timecache(1)
d[0] = datetime.datetime.now()
d[1] = datetime.datetime.now()
assert d.get(0)
assert len(d) == 2
time.sleep(2)
assert d.get(0) is None
assert raises(KeyError, lambda: d[0])
assert not d.has_key(1)
assert len(d) == 0
d[2] = datetime.datetime.now()
assert list(d) == [2]
assert list(d.keys()) == [2]
assert None not in d.values()
assert d.size() == 1
assert list(d.items())[0][0] == 2
assert list(d.keys()) == [2]
assert list(d.values())
time.sleep(1)
assert list(d) == []
d[3] = datetime.datetime.now()
assert d.popitem()[0] == 3
d.update({3: 4, 5: 6})
assert d.setdefault(3, 7) == 4
def test_decorator_lambda_calling_frame_arg(self):
"""tests that a decorated function can get the frame of the calling function when a lambda is being decorated"""
l = lambda x: x + 21
frames_so_far = len(getattr(l, "call_frames", []))
callf_decorator = Decorators.decorator(
self.callfdec, ['y', ('z', 3)], calling_frame_arg="calling_frame")
callf_l = callf_decorator(l)
assert callf_l(100, 4) == 100 + 12 + 21
assert len(l.call_frames) == frames_so_far + 1
call_frame = l.call_frames[-1]
assert call_frame
assert call_frame.f_code.co_name == "test_decorator_lambda_calling_frame_arg"
# check that calling_frame can't be overridden
some_frame = Decorators.inspect.currentframe()
raises(TypeError, callf_l, 100, 4, calling_frame=some_frame)
raises(TypeError, callf_l, 100, 4, some_frame)
def test_default_attr(self):
d = DictUtils.attrdict()
d.VaLuE = 5
d.set_default_value(32)
assert "HeGeMoNy" not in d.keys()
assert d.get("HeGeMoNy", 5) == 5
assert raises(KeyError, d.__getitem__, "HeGeMoNy")
assert getattr(d, "HeGeMoNy") == 32
assert getattr(d, "HeGeMoNy", 9) == 32
def test_simple_call(self):
"""tests that a cleanup generator runs through an iterator and calls the cleanup at the end"""
i = iter([1,2,3,4,5])
def cleanup():
assert raises(StopIteration, i.next)
cleanup.cleanup_called = True
cleanup.cleanup_called = False
g = CleanupIterator.CleanupIterator(i, cleanup)
l = list(g)
assert l == [1,2,3,4,5]
assert cleanup.cleanup_called
assert raises(StopIteration, i.next)
def test_dict(self):
# Make an empty one
cleand = DictUtils.ordereddict()
# Make one from another
k = [5, 1, 2, 3, 7, 6]
v = ["a", "b", "c", "d", "e", "f"]
d = DictUtils.ordereddict(DictUtils.ordereddict(list(zip(k, v))))
def bad_dict():
d = DictUtils.ordereddict(*k)
d.setdefault(5, "g")
assert d.get(5, None) == "a"
d.update(t="g")
assert d["t"] == "g"
d.update([(7, "g")])
assert d[7] == "g"
d.update({8: "h"})
assert d[8] == "h"
assert raises(TypeError, bad_dict)
del d[1]
assert d.keys() == [5, 2, 3, 7, 6, "t", 8]
copyd = d.copy()
assert list(copyd.keys()) == [5, 2, 3, 7, 6, "t", 8]
assert list(copyd.values()) == ["a", "c", "d", "g", "f", "g", "h"]
assert list(copyd.items())
assert raises(KeyError, cleand.popitem)
assert copyd.popitem() == (8, "h")
assert copyd.pop(9, "default") == "default"
assert copyd.pop(3) == "d"
assert copyd.keys() == [5, 2, 7, 6, "t"]
copyd.clear()
assert copyd.keys() == []
def test_empty_call(self):
"""tests that a cleanup generator runs through an empty iterator and calls the cleanup at the end"""
i = iter([])
def cleanup():
assert raises(StopIteration, partial(next, i))
cleanup.cleanup_called = True
cleanup.cleanup_called = False
g = CleanupIterator.CleanupIterator(i, cleanup)
l = list(g)
assert l == []
assert cleanup.cleanup_called
assert raises(StopIteration, partial(next, i))
def test_simple_call(self):
"""tests that a cleanup generator runs through an iterator and calls the cleanup at the end"""
i = iter([1, 2, 3, 4, 5])
def cleanup():
assert raises(StopIteration, i.next)
cleanup.cleanup_called = True
cleanup.cleanup_called = False
g = CleanupIterator.CleanupIterator(i, cleanup)
l = list(g)
assert l == [1, 2, 3, 4, 5]
assert cleanup.cleanup_called
assert raises(StopIteration, i.next)
def test_global_disable(self):
d = TimeCache.timecache(10)
d[1] = "test"
assert 1 in d
TimeCache.GLOBAL_CACHE_DISABLED = True
assert 1 not in d
d[2] = "missing"
assert not list(d.items())
assert not list(d)
assert not d.has_key(2)
assert d.get(2) is None
assert d.keys() == []
assert d.values() == []
d.update({3: 4, 5: 6})
assert raises(KeyError, lambda: d.popitem())
assert repr(d) == "<GLOBAL_CACHE_DISABLED>"
TimeCache.GLOBAL_CACHE_DISABLED = False
assert d[1] == "test"
assert 2 not in d
assert repr(d) != "<GLOBAL_CACHE_DISABLED>"
def test_local_disable(self):
d = TimeCache.timecache(10)
e = TimeCache.timecache(10)
d.LOCAL_CACHE = True
d[1] = "test"
e[1] = "test"
assert 1 in d
assert 1 in e
TimeCache.LOCAL_CACHE_DISABLED = True
assert 1 not in d
assert 1 in e
d[2] = "missing"
e[2] = "missing"
assert not list(d.items())
assert sorted(e.items()) == [(1, "test"), (2, "missing")]
assert raises(KeyError, lambda: d[1])
TimeCache.LOCAL_CACHE_DISABLED = False
assert d[1] == "test"
assert 2 not in d
assert sorted(e.items()) == [(1, "test"), (2, "missing")]
def test_dict(self):
"""tests the normal dict functions, with thecidict peculiarities"""
d = DictUtils.cidict({'VaLuE': 5})
def setvalue(k, v):
d[k] = v
def delvalue(k):
del d[k]
def invalue(k):
return k in d
assert raises(TypeError, lambda: d[5])
assert raises(IndexError, lambda: d['5'])
assert raises(TypeError, setvalue, 5, 5)
d['value'] = 6
assert d['VaLuE'] == 6
d.update(vaLue=7)
assert d['VaLuE'] == 7
d.update([('VALUE', 8)])
assert d['VaLuE'] == 8
d.update({'VAlue': 9})
assert d['VaLuE'] == 9
assert raises(TypeError, delvalue, 5)
assert raises(IndexError, delvalue, '5')
d['5'] = 5
del d['5']
assert d.get('5', None) is None
assert raises(TypeError, invalue, 5)
assert 'VALuE' in d
assert d.has_key('vALUE')
assert d.get('vaLUE') == 9
def cleanup():
assert raises(StopIteration, i.next)
cleanup.cleanup_called = True
def dbonly_test_C(self,db):
print("C", db)
if db != 3:
assert raises(AssertionError, self.checkdb, db)
else:
self.checkdb(db)
def cleanup():
assert raises(StopIteration, partial(next, i))
cleanup.cleanup_called = True
def cleanup():
assert raises(StopIteration, i.next)
cleanup.cleanup_called = True
def test_assert_dicts_not_equal(self):
d1 = {1: 2, 3: 4}
d2 = {1: 2, 3: 4}
assert raises(AssertionError, DictUtils.assert_dicts_not_equal, d1, d2)
def dbonly_test_C(self, db):
print("C", db)
if db != 3:
assert raises(AssertionError, self.checkdb, db)
else:
self.checkdb(db)
