add-test-to-check-absence-of-value-error

Author: Darshan808

tests/test_completer.py

@@ -2695,3 +2695,24 @@ def test_trim_expr(code, expected):
 )
 def test_match_numeric_literal_for_dict_key(input, expected):
     assert _match_number_in_dict_key_prefix(input) == expected
+
+
+def test_completer_does_not_raise_value_error():
+    ip = get_ipython()
+    source = "\n".join(
+        [
+            "if cond:",
+            "   assert a.",
+        ]
+    )
+    value_error = None
+    with provisionalcompleter():
+        try:
+            completions = list(
+                ip.Completer.completions(text=source, offset=len(source))
+            )
+        except ValueError as e:
+            value_error = e
+            completions = []
+        assert isinstance(completions, list)
+        assert value_error is None