1 files changed, 6 insertions, 0 deletions
diff --git a/fable.py b/fable.py
index 71c949a..18ac72d 100644
--- a/fable.py
+++ b/fable.py
@@ -30,3 +30,9 @@ class Run:
 
     def end(self):
         sys.stdout.write('OK: {}\n'.format(self._name))
+
+
+def assertEqual(a, b):
+    if a != b:
+        raise Exception(
+            'expected {!r} == {!r}, but was disappointed'.format(a, b))