def test_removing_labeled_predicate_by_reference_also_removes_label(mapping: PredicateMapping):
mapping.add(equals_foo, 'foo value', 'foo label')
mapping.remove(equals_foo)
# Just a bit of white-box testing here
assert len(mapping._values) == 0
assert len(mapping._labeled_predicates) == 0
def test_can_remove_predicates_by_label_if_label_was_given(mapping: PredicateMapping):
mapping.add(equals_foo, 'foo value', 'foo label')
assert mapping.find('foo') == 'foo value'
mapping.remove('foo label')
with pytest.raises(ValueError, match=r'No matching'):
mapping.find('foo')
def test_can_remove_predicates_by_reference(mapping: PredicateMapping):
mapping.add(equals_foo, 'foo value')
assert mapping.find('foo') == 'foo value'
mapping.remove(equals_foo)
with pytest.raises(ValueError, match=r'No matching'):
mapping.find('foo')
def test_can_remove_predicates_by_reference(mapping: PredicateMapping):
mapping.add(equals_foo, 'foo value')
assert mapping.find('foo') == 'foo value'
mapping.remove(equals_foo)
with pytest.raises(ValueError, match=r'No matching'):
mapping.find('foo')
def test_can_remove_predicates_by_label_if_label_was_given(
mapping: PredicateMapping):
mapping.add(equals_foo, 'foo value', 'foo label')
assert mapping.find('foo') == 'foo value'
mapping.remove('foo label')
with pytest.raises(ValueError, match=r'No matching'):
mapping.find('foo')
def test_removing_labeled_predicate_by_reference_also_removes_label(
mapping: PredicateMapping):
mapping.add(equals_foo, 'foo value', 'foo label')
mapping.remove(equals_foo)
# Just a bit of white-box testing here
assert len(mapping._values) == 0
assert len(mapping._labeled_predicates) == 0
def test_removing_non_existent_label_raises_error(mapping: PredicateMapping):
with pytest.raises(KeyError, match=r"Label 'asdf' not found in registry"):
mapping.remove('asdf')
def test_removing_non_existent_predicate_raises_error(mapping: PredicateMapping):
with pytest.raises(KeyError, match=r'Matcher .* not found in registry'):
mapping.remove(equals_foo)
def test_removing_unsupported_type_raises_error(mapping: PredicateMapping):
with pytest.raises(TypeError, match=r'must be callable or string.*got <class \'bool\'>'):
mapping.remove(True)
def test_removing_non_existent_predicate_raises_error(
mapping: PredicateMapping):
with pytest.raises(KeyError, match=r'Matcher .* not found in registry'):
mapping.remove(equals_foo)
def test_removing_unsupported_type_raises_error(mapping: PredicateMapping):
with pytest.raises(
TypeError,
match=r'must be callable or string.*got <class \'bool\'>'):
mapping.remove(True)
def test_removing_non_existent_label_raises_error(mapping: PredicateMapping):
with pytest.raises(KeyError, match=r"Label 'asdf' not found in registry"):
mapping.remove('asdf')