1 files changed, 5 insertions, 10 deletions
diff --git a/tests/utils.py b/tests/utils.py
index 006abedbc1..e19ae581e0 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -81,16 +81,11 @@ def setup_test_homeserver(name="test", datastore=None, config=None, **kargs):
         )
 
     # bcrypt is far too slow to be doing in unit tests
-    def swap_out_hash_for_testing(old_build_handlers):
-        def build_handlers():
-            handlers = old_build_handlers()
-            auth_handler = handlers.auth_handler
-            auth_handler.hash = lambda p: hashlib.md5(p).hexdigest()
-            auth_handler.validate_hash = lambda p, h: hashlib.md5(p).hexdigest() == h
-            return handlers
-        return build_handlers
-
-    hs.build_handlers = swap_out_hash_for_testing(hs.build_handlers)
+    # Need to let the HS build an auth handler and then mess with it
+    # because AuthHandler's constructor requires the HS, so we can't make one
+    # beforehand and pass it in to the HS's constructor (chicken / egg)
+    hs.get_auth_handler().hash = lambda p: hashlib.md5(p).hexdigest()
+    hs.get_auth_handler().validate_hash = lambda p, h: hashlib.md5(p).hexdigest() == h
 
     fed = kargs.get("resource_for_federation", None)
     if fed: