[test/helper] Clarify field for list length mismatch

9 years ago · f88f1b40ce
parent 386a7b52d5
commit f88f1b40ce
1 changed files with 2 additions and 1 deletions
--- a/test/helper.py
+++ b/test/helper.py
@ -128,7 +128,8 @@ def expect_value(self, got, expected, field):
    elif isinstance(expected, list) and isinstance(got, list):
        self.assertEqual(
            len(expected), len(got),
-            'Expect a list of length %d, but got a list of length %d' % (len(expected), len(got)))
+            'Expect a list of length %d, but got a list of length %d for field %s' % (
+                len(expected), len(got), field))
        for index, (item_got, item_expected) in enumerate(zip(got, expected)):
            type_got = type(item_got)
            type_expected = type(item_expected)