def test_multiline_alias(self, init, indent):
init.return_value = None
transformer = transform.ImportTransformer(None, None)
transformer._indentation = indent
alias = transformer._multiline_alias(
cst.ImportAlias(name=cst.Name("x")))
assert alias.comma.whitespace_after.last_line.value == indent + " " * 4
def _assert_import_equal(
self, impt_stmnt: str, endlineno: int, used_names: set, expec_impt: str
):
location = NodeLocation((1, 0), endlineno)
transformer = transform.ImportTransformer(used_names, location)
cst_tree = cst.parse_module(impt_stmnt)
assert cst_tree.visit(transformer).code == expec_impt
def test_stylize(self, code, endlineno, ismultiline):
location = NodeLocation((1, 0), endlineno)
node = cst.parse_module(code).body[0].body[0]
transformer = transform.ImportTransformer({""}, location)
new_node = transformer._stylize(node, node.names, False)
if getattr(new_node, "rpar", None) and ismultiline:
assert new_node.rpar != node.rpar
assert new_node.lpar != node.lpar
assert new_node.names[-1].comma == cst.MaybeSentinel.DEFAULT
def test_get_alias_name(self, init, name):
init.return_value = None
def get_name_node(name: str) -> Union[cst.Name, cst.Attribute]:
# Inverse `_get_alias_name`.
if "." not in name:
return cst.Name(name)
names = name.split(".")
value = get_name_node(".".join(names[:-1]))
attr = get_name_node(names[-1])
return cst.Attribute(value=value, attr=attr) # type: ignore
node = get_name_node(name)
transformer = transform.ImportTransformer(None, None)
assert transformer._get_alias_name(node) == name
def test_multiline_rpar(self, init, indent):
init.return_value = None
transformer = transform.ImportTransformer(None, None)
transformer._indentation = indent
rpar = transformer._multiline_rpar()
assert rpar.whitespace_before.last_line.value == indent
def test_multiline_parenthesized_whitespace(self, init, indent):
init.return_value = None
transformer = transform.ImportTransformer(None, None)
mpw = transformer._multiline_parenthesized_whitespace(indent)
assert mpw.last_line.value == indent
def test_init(self, used_names, location, expec_err):
with pytest.raises(expec_err):
transform.ImportTransformer(used_names, location)
raise sysu.Pass()
