def test_readonly(counter_type):
fc = FeatureCollection({
'hello': counter_type(Counter('hello')),
'goodbye': counter_type(Counter('goodbye'))})
fc2 = FeatureCollection({
'hello': counter_type(Counter('hello')),
'goodbye': counter_type(Counter('goodbye'))})
fc.read_only = True
with pytest.raises(ReadOnlyException):
fc += fc2
with pytest.raises(ReadOnlyException):
fc -= fc2
with pytest.raises(ReadOnlyException):
fc *= 2
with pytest.raises(ReadOnlyException):
fc['woof'] = StringCounter()
if hasattr(counter_type, 'read_only'):
with pytest.raises(ReadOnlyException):
fc['hello']['l'] = 3
with pytest.raises(ReadOnlyException):
fc['hello']['l'] += 3
fc.read_only = False
fc += fc2
assert Counter(map(abs,fc['hello'].values())) == Counter({2: 3, 4: 1})
fc -= fc2
fc -= fc2
assert Counter(map(abs,fc['hello'].values())) == Counter()
def test_read_only_binop():
fc1 = FeatureCollection({'NAME': {'foo': 1, 'bar': 1}})
fc2 = FeatureCollection({'NAME': {'foo': 2, 'bar': 2}})
fc1.read_only = True
fc2.read_only = True
result = fc1 + fc2
expected = FeatureCollection({'NAME': {'foo': 3, 'bar': 3}})
assert result == expected
assert not result.read_only
def test_read_only_preserved_after_serialized():
fc = FeatureCollection({'NAME': {'foo': 1, 'baz': 2}})
fc.read_only = True
fcnew = FeatureCollection.loads(fc.dumps())
assert fcnew.read_only
with pytest.raises(ReadOnlyException):
fcnew['NAME']['foo'] += 1
def test_read_only_features():
fc = FeatureCollection({'feat': StringCounter({'foo': 1})})
fc['feat']['foo'] += 1
fc.read_only = True
with pytest.raises(ReadOnlyException):
fc['feat']['foo'] += 1
with pytest.raises(ReadOnlyException):
fc['feat'].pop('foo')
with pytest.raises(ReadOnlyException):
del fc['feat']['foo']
def test_read_only():
fcwork = FeatureCollection({'feat': {'foo': 1}})
fc = FeatureCollection()
fc['feat']['foo'] += 1
fc.read_only = True
with pytest.raises(ReadOnlyException):
fc += fcwork
with pytest.raises(ReadOnlyException):
fc -= fcwork
with pytest.raises(ReadOnlyException):
fc -= fcwork
with pytest.raises(ReadOnlyException):
del fc['feat']
with pytest.raises(ReadOnlyException):
fc.pop('feat')
def test_read_only_not_preserved_via_dict():
fc = FeatureCollection({'NAME': {'foo': 1, 'baz': 2}})
fc.read_only = True
fcnew = FeatureCollection(fc.to_dict())
assert not fcnew.read_only
fcnew['NAME']['foo'] += 1
def test_identity():
fc = FeatureCollection()
fc.read_only = True
id(fc['one']) == id(fc['two'])
