Retrieve all kinds of assignment targets from with test

parso/python/tree.py

@@ -775,8 +775,8 @@ class WithStmt(Flow):
         return names
 
     def get_test_node_from_name(self, name):
-        node = name.parent
-        if node.type != 'with_item':
+        node = search_ancestor(name, "with_item")
+        if node is None:
             raise ValueError('The name is not actually part of a with statement.')
         return node.children[0]
 

test/test_parser_tree.py

@@ -229,3 +229,12 @@ def test_iter_funcdefs():
     module = parse(code, version='3.8')
     func_names = [f.name.value for f in module.iter_funcdefs()]
     assert func_names == ['normal', 'asyn', 'dec_normal', 'dec_async']
+
+def test_with_stmt_get_test_node_from_name():
+    code = "with A as X.Y, B as (Z), C as Q[0], D as Q['foo']: pass"
+    with_stmt = parse(code, version='3').children[0]
+    tests = [
+        with_stmt.get_test_node_from_name(name).value
+        for name in with_stmt.get_defined_names(include_setitem=True)
+    ]
+    assert tests == ["A", "B", "C", "D"]