def test_BasicPropertyDescriptor__delete__():
class Foo(object):
_property_values = dict(foo=0)
f = Foo()
d1 = pd.BasicPropertyDescriptor("foo", f)
d2 = pd.BasicPropertyDescriptor("bar", f)
d1.__delete__(f)
assert f._property_values == {}
d2.__delete__(f)
assert f._property_values == {}
def test___str__(self):
class Foo(object):
pass
f = Foo()
d = bcpd.BasicPropertyDescriptor("foo", f)
assert str(d) == str(f)
def test___set__improper(self):
class Foo(object): pass
f = Foo()
d = bcpd.BasicPropertyDescriptor("foo", f)
with pytest.raises(RuntimeError) as e:
d.__set__("junk", None)
assert str(e).endswith("Cannot set a property value 'foo' on a str instance before HasProps.__init__")
def test___get__improper(self):
class Foo(object): pass
f = Foo()
d = bcpd.BasicPropertyDescriptor("foo", f)
with pytest.raises(ValueError) as e:
d.__get__(None, None)
assert str(e).endswith("both 'obj' and 'owner' are None, don't know what to do")
def test_has_ref(self):
class Foo(object):
pass
f = Foo()
f.has_ref = "stuff"
d = bcpd.BasicPropertyDescriptor("foo", f)
assert d.has_ref == "stuff"
def test_readonly(self):
class Foo(object):
pass
f = Foo()
f.readonly = "stuff"
d = bcpd.BasicPropertyDescriptor("foo", f)
assert d.readonly == "stuff"
def test_serialized(self):
class Foo(object):
pass
f = Foo()
f.serialized = "stuff"
d = bcpd.BasicPropertyDescriptor("foo", f)
assert d.serialized == "stuff"
def test__trigger(self, mock_trigger):
class Foo(object):
_property_values = dict(foo=10, bar=20)
class Match(object):
def matches(*args, **kw): return True
class NoMatch(object):
def matches(*args, **kw): return False
m = Match()
nm = NoMatch()
d1 = bcpd.BasicPropertyDescriptor("foo", m)
d2 = bcpd.BasicPropertyDescriptor("bar", nm)
d1.trigger_if_changed(Foo, "junk")
assert not mock_trigger.called
d2.trigger_if_changed(Foo, "junk")
assert mock_trigger.called
def test___init__(self):
class Foo(object):
'''doc'''
pass
f = Foo()
d = bcpd.BasicPropertyDescriptor("foo", f)
assert d.name == "foo"
assert d.property == f
assert d.__doc__ == f.__doc__
def test_BasicPropertyDescriptor__delete__():
class Foo(object):
_property_values = dict(foo=0)
_unstable_default_values = dict(bar=[10])
f = Foo()
d1 = pd.BasicPropertyDescriptor("foo", f)
d2 = pd.BasicPropertyDescriptor("bar", f)
d3 = pd.BasicPropertyDescriptor("baz", f)
d1.__delete__(f)
assert f._property_values == {}
assert f._unstable_default_values == dict(bar=[10])
d2.__delete__(f)
assert f._property_values == {}
assert f._unstable_default_values == {}
d3.__delete__(f)
assert f._property_values == {}
assert f._unstable_default_values == {}
def test_class_default(self):
result = {}
class Foo(object):
def themed_default(*args, **kw):
result['called'] = True
f = Foo()
f.readonly = "stuff"
d = bcpd.BasicPropertyDescriptor("foo", f)
d.class_default(d)
assert result['called']
