use safe_str to serialize Exceptions Fixes #5478

pytest-dev · Jun 25, 2019 · 78f0427 · 78f0427
1 parent 4b104ba
commit 78f0427
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/_pytest/_code/code.py b/src/_pytest/_code/code.py
@@ -572,8 +572,9 @@ def match(self, regexp):
         raised.
         """
         __tracebackhide__ = True
-        if not re.search(regexp, str(self.value)):
-            assert 0, "Pattern '{!s}' not found in '{!s}'".format(regexp, self.value)
+        value = safe_str(self.value)
+        if not re.search(regexp, value):
+            assert 0, "Pattern {!r} not found in {!r}".format(regexp, value)
         return True