Add regression tests for PyCQA/astroid#1151

2 files changed, 54 insertions, 1 deletions

diff --git a/tests/functional/a/assign/assignment_from_no_return.py b/tests/functional/a/assign/assignment_from_no_return.py
index 887eb8d2e..5415f6097 100644
--- a/tests/functional/a/assign/assignment_from_no_return.py
+++ b/tests/functional/a/assign/assignment_from_no_return.py
@@ -1,4 +1,4 @@
-# pylint: disable=missing-docstring
+# pylint: disable=missing-docstring, invalid-name, too-few-public-methods, no-self-use
 
 
 def some_func():
@@ -54,3 +54,25 @@ class Child(Parent):
         """This is supported for this child class"""
 
         return 42
+
+
+# Regression test for https://github.com/PyCQA/pylint/issues/4220
+class A:
+    """Parent class"""
+    def f(self):
+        """This returns something"""
+        return 42
+
+
+class B(A):
+    """Child class"""
+    def __init__(self):
+        self.a = A()
+        result = self.a.f()  # no error here
+        print(result)
+
+    def f(self):
+        """This doesn't return anything"""
+
+
+res = B().a.f()  # no error here
diff --git a/tests/functional/n/no/no_member.py b/tests/functional/n/no/no_member.py
new file mode 100644
index 000000000..73b2227a6
--- /dev/null
+++ b/tests/functional/n/no/no_member.py
@@ -0,0 +1,31 @@
+# pylint: disable=missing-docstring, unused-argument, wrong-import-position, invalid-name
+
+
+# Regression test for https://github.com/PyCQA/pylint/issues/400
+class TestListener:
+    def __init__(self):
+        self._latest = None
+
+    def wait(self, timeout):
+        result = self._latest
+        self._latest = None
+        return result
+
+    def peer_joined(self, peer):
+        self._latest = peer
+
+
+listener = TestListener()
+broker = listener.wait(3).get_domain()  # No error here
+
+
+# Regression test for https://github.com/PyCQA/pylint/issues/4377
+from urllib import parse
+
+url = 'http://www.google.com'
+
+parsed_url = parse.urlparse(url)
+sorted_query = parse.urlencode(
+    sorted(parse.parse_qsl(parsed_url.query), key=lambda param: param[0]))
+new_parsed_url = parse.ParseResult._replace(parsed_url, query=sorted_query)
+new_url = new_parsed_url.geturl()  # No error here