def test__post_filters_multiple():
node1 = query.FilterNode("a", "=", 7)
node2 = query.PostFilterNode("predicate2")
node3 = query.PostFilterNode("predicate3")
and_node = query.ConjunctionNode(node1, node2, node3)
post_filters_node = and_node._post_filters()
assert post_filters_node == query.ConjunctionNode(node2, node3)
def test_constructor_convert_or():
node1 = query.FilterNode("a", "=", 7)
node2 = query.FilterNode("b", ">", 7.5)
node3 = query.DisjunctionNode(node1, node2)
node4 = query.FilterNode("d", ">=", 80)
result_node = query.ConjunctionNode(node3, node4)
assert isinstance(result_node, query.DisjunctionNode)
assert result_node._nodes == [
query.ConjunctionNode(node1, node4),
query.ConjunctionNode(node2, node4),
]
def test___eq__():
filter_node1 = query.FilterNode("a", "=", 7)
filter_node2 = query.FilterNode("b", ">", 7.5)
filter_node3 = query.FilterNode("c", "<", "now")
and_node1 = query.ConjunctionNode(filter_node1, filter_node2)
and_node2 = query.ConjunctionNode(filter_node2, filter_node1)
and_node3 = query.ConjunctionNode(filter_node1, filter_node3)
and_node4 = unittest.mock.sentinel.and_node
assert and_node1 == and_node1
assert not and_node1 == and_node2
assert not and_node1 == and_node3
assert not and_node1 == and_node4
def test__post_filters_empty():
node1 = query.FilterNode("a", "=", 7)
node2 = query.FilterNode("b", ">", 77)
and_node = query.ConjunctionNode(node1, node2)
post_filters_node = and_node._post_filters()
assert post_filters_node is None
def test__to_filter_multiple():
node1 = query.PostFilterNode("predicate1")
node2 = query.PostFilterNode("predicate2")
and_node = query.ConjunctionNode(node1, node2)
with pytest.raises(NotImplementedError):
and_node._to_filter(post=True)
def test__post_filters_same():
node1 = query.PostFilterNode("predicate1")
node2 = query.PostFilterNode("predicate2")
and_node = query.ConjunctionNode(node1, node2)
post_filters_node = and_node._post_filters()
assert post_filters_node is and_node
def test__post_filters_single():
node1 = query.FilterNode("a", "=", 7)
node2 = query.PostFilterNode("predicate2")
and_node = query.ConjunctionNode(node1, node2)
post_filters_node = and_node._post_filters()
assert post_filters_node is node2
def test__to_filter_empty():
node1 = query.FilterNode("a", "=", 7)
node2 = query.FilterNode("b", "<", 6)
and_node = query.ConjunctionNode(node1, node2)
as_filter = and_node._to_filter(post=True)
assert as_filter is None
def test_pickling():
node1 = query.FilterNode("a", "=", 7)
node2 = query.FilterNode("b", ">", 7.5)
and_node = query.ConjunctionNode(node1, node2)
pickled = pickle.dumps(and_node)
unpickled = pickle.loads(pickled)
assert and_node == unpickled
def test_constructor_many_nodes():
node1 = query.FilterNode("a", "=", 7)
node2 = query.FilterNode("b", ">", 7.5)
node3 = query.FilterNode("c", "<", "now")
node4 = query.FilterNode("d", ">=", 80)
result_node = query.ConjunctionNode(node1, node2, node3, node4)
assert isinstance(result_node, query.ConjunctionNode)
assert result_node._nodes == [node1, node2, node3, node4]
def test__to_filter_single():
node1 = unittest.mock.Mock(spec=query.FilterNode)
node2 = query.PostFilterNode("predicate")
node3 = unittest.mock.Mock(spec=query.FilterNode)
node3._to_filter.return_value = False
and_node = query.ConjunctionNode(node1, node2, node3)
as_filter = and_node._to_filter()
assert as_filter is node1._to_filter.return_value
node1._to_filter.assert_called_once_with(post=False)
def test_resolve():
node1 = query.FilterNode("a", "=", 7)
node2 = query.FilterNode("b", ">", 77)
and_node = query.ConjunctionNode(node1, node2)
bindings = {}
used = {}
resolved_node = and_node.resolve(bindings, used)
assert resolved_node is and_node
assert bindings == {}
assert used == {}
def test_add_node_and_with_conjunction():
clauses = query._BooleanClauses("name", False)
node1 = query.FilterNode("a", "=", 7)
node2 = query.FilterNode("b", ">", 7.5)
clauses.or_parts = [[node1], [node2]] # Modify to see the "broadcast"
node3 = query.FilterNode("c", "<", "now")
node4 = query.FilterNode("d", ">=", 80)
node5 = query.ConjunctionNode(node3, node4)
clauses.add_node(node5)
assert clauses.or_parts == [
[node1, node3, node4],
[node2, node3, node4],
]
def test_resolve_changed():
node1 = unittest.mock.Mock(spec=query.FilterNode)
node2 = query.FilterNode("b", ">", 77)
node3 = query.FilterNode("c", "=", 7)
node1.resolve.return_value = node3
and_node = query.ConjunctionNode(node1, node2)
bindings = {}
used = {}
resolved_node = and_node.resolve(bindings, used)
assert isinstance(resolved_node, query.ConjunctionNode)
assert resolved_node._nodes == [node3, node2]
assert bindings == {}
assert used == {}
node1.resolve.assert_called_once_with(bindings, used)
def test_constructor_unreachable(boolean_clauses):
clauses = unittest.mock.Mock(or_parts=[],
spec=("add_node", "or_parts"))
boolean_clauses.return_value = clauses
node1 = query.FilterNode("a", "=", 7)
node2 = query.FilterNode("b", ">", 7.5)
with pytest.raises(RuntimeError):
query.ConjunctionNode(node1, node2)
boolean_clauses.assert_called_once_with("ConjunctionNode",
combine_or=False)
assert clauses.add_node.call_count == 2
clauses.add_node.assert_has_calls(
[unittest.mock.call(node1),
unittest.mock.call(node2)])
def query_filters(self, model_class, filters):
"""Get the filters in a format compatible with the Query constructor"""
gql_filters = self.filters()
for name_op in sorted(gql_filters):
name, op = name_op
values = gql_filters[name_op]
op = op.lower()
for (func, args) in values:
prop = model_class._properties.get(name)
val = self._args_to_val(func, args)
if isinstance(val, query_module.ParameterizedThing):
node = query_module.ParameterNode(prop, op, val)
else:
node = prop._comparison(op, val)
filters.append(node)
if filters:
filters = query_module.ConjunctionNode(*filters)
else:
filters = None
return filters
def test_constructor():
with pytest.raises(NotImplementedError):
query.ConjunctionNode()
def test_constructor_no_nodes():
with pytest.raises(TypeError):
query.ConjunctionNode()
def test_constructor_one_node():
node = query.FilterNode("a", "=", 7)
result_node = query.ConjunctionNode(node)
assert result_node is node
def test___iter__():
node1 = query.FilterNode("a", "=", 7)
node2 = query.FilterNode("b", ">", 7.5)
and_node = query.ConjunctionNode(node1, node2)
assert list(and_node) == and_node._nodes
def test___repr__():
node1 = query.FilterNode("a", "=", 7)
node2 = query.FilterNode("b", ">", 7.5)
and_node = query.ConjunctionNode(node1, node2)
expected = "AND(FilterNode('a', '=', 7), FilterNode('b', '>', 7.5))"
assert repr(and_node) == expected