1 files changed, 4 insertions, 0 deletions

diff --git a/test.py b/test.py
index 13b7fb2..c9bab38 100755
--- a/test.py
+++ b/test.py
@@ -119,12 +119,16 @@ class Result:
         @type name: str
         @type check: str or (str -> bool)
         """
+        found = False
         for key, value in self.headersdata:
             if key == name:
+                found = True
                 if isinstance(check, str):
                     self.testcase.assertEqual(check, value)
                 else:
                     self.testcase.assert_(check(value))
+        if not found:
+            self.testcase.fail("header %s not found" % name)
 
 from wsgitools import applications