def test_construct_bool_true(self, value, parse):
mark = Mark(None, None, 4, 5, None, None)
node = ScalarNode(None, value, start_mark=mark)
res = Constructor("bool").construct_yaml_bool(node)
assert res.value == parse
assert res.loc.line == 5
assert res.loc.column == 6
assert res.loc.stream_name == "bool"
def test_construct_int(self, value, parse):
mark = Mark(None, None, 3, 7, None, None)
node = ScalarNode(None, value, start_mark=mark)
res = Constructor("int").construct_yaml_int(node)
assert res.value == parse
assert res.loc.line == 4
assert res.loc.column == 8
assert res.loc.stream_name == "int"
def test_construct_str(self, value):
mark = Mark(None, None, 0, 0, None, None)
node = ScalarNode(None, value, start_mark=mark)
res = Constructor("str").construct_yaml_str(node)
assert res.value == value
assert res.loc.line == 1
assert res.loc.column == 1
assert res.loc.stream_name == "str"
def test_construct_null(self, value):
mark = Mark(None, None, 1, 2, None, None)
node = ScalarNode(None, value, start_mark=mark)
res = Constructor("null").construct_yaml_null(node)
assert res.value is None
assert res.loc.line == 2
assert res.loc.column == 3
assert res.loc.stream_name == "null"
def test_construct_float_nan_only(self, value):
mark = Mark(None, None, 7, 1, None, None)
node = ScalarNode(None, value, start_mark=mark)
res = Constructor("float").construct_yaml_float(node)
assert math.isnan(res.value)
assert res.loc.line == 8
assert res.loc.column == 2
assert res.loc.stream_name == "float"
def test_construct_float_no_nan(self, value, parse):
mark = Mark(None, None, 2, 8, None, None)
node = ScalarNode(None, value, start_mark=mark)
res = Constructor("float").construct_yaml_float(node)
assert res.value == parse
assert res.loc.line == 3
assert res.loc.column == 9
assert res.loc.stream_name == "float"
def test_construct_map_duplicate(self):
mark = Mark(None, None, 8, 8, None, None)
children = [
(
ScalarNode("tag:yaml.org,2002:str", "node1", start_mark=mark),
ScalarNode("tag:yaml.org,2002:str", "node1", start_mark=mark),
),
(
ScalarNode("tag:yaml.org,2002:str", "node1", start_mark=mark),
ScalarNode("tag:yaml.org,2002:str", "node1", start_mark=mark),
)
]
node = MappingNode("tag:yaml.org,2002:map", children, start_mark=mark)
with pytest.raises(ConstructorError):
res, = Constructor("map").construct_yaml_map(node)
def test_construct_seq(self):
mark = Mark(None, None, 4, 3, None, None)
children = [
ScalarNode("tag:yaml.org,2002:int", str(i), start_mark=mark)
for i in range(4)
]
node = SequenceNode(None, children, start_mark=mark)
# Sequences are single-element generators (lazy parsing) that we need
# to exhaust. Simplest way of doing this is to assign to a single
# element tuple and let the python do all the iterator funky-ness.
res, = Constructor("seq").construct_yaml_seq(node)
assert [0, 1, 2, 3] == [child.value for child in res.value]
assert res.loc.line == 5
assert res.loc.column == 4
assert res.loc.stream_name == "seq"
def test_construct_map(self):
mark = Mark(None, None, 8, 8, None, None)
children = [(
ScalarNode("tag:yaml.org,2002:str", str(i), start_mark=mark),
ScalarNode("tag:yaml.org,2002:int", str(i), start_mark=mark),
) for i in range(2)]
node = MappingNode(None, children, start_mark=mark)
res, = Constructor("map").construct_yaml_map(node)
assert {
"0": 0,
"1": 1
} == {k.value: v.value
for k, v in res.value.items()}
assert res.loc.line == 9
assert res.loc.column == 9
assert res.loc.stream_name == "map"