Github user kxepal commented on a diff in the pull request:
https://github.com/apache/couchdb-chttpd/pull/10#discussion_r21059267
--- Diff: test/chttpd_handler_callback_test.erl ---
@@ -0,0 +1,266 @@
+%% Licensed under the Apache License, Version 2.0 (the "License"); you
may not
+%% use this file except in compliance with the License. You may obtain a
copy of
+%% the License at
+%%
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing,
software
+%% distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT
+%% WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the
+%% License for the specific language governing permissions and limitations
under
+%% the License.
+%%
+%% @doc
+%% These whitebox tests call the endpoints that are implemented by dynamic
funs,
+%% which replace the previously hardwired handlers, with a dynamically
created
+%% module. This test mocks everything except the proper relationship
between
+%% handler function clause and returned fun. The handler functions are
called
+%% directly.
+%%
+%% This can look like mocks testing themselves. In this case, in other
words:
+%% think of the former url_handler function in chttpd.erl: The relationship
+%% between a function clause and the specific returned fun() is exactly
what is
+%% established by the dynamically created module. And it's precisely what
this
+%% test verifies, for every endpoint.
+%%
+%% This test was part of chttpd-cloudant dbcore-2.7.7, verifying the
original
+%% hardcoded endpoints. It has since been reworked but remains functionally
+%% mostly identical; the config source and processing has been replaced.
+
+-module(chttpd_handler_callback_test).
+
+-include_lib("eunit/include/eunit.hrl").
+
+all_test_() ->
+ io:format(user, "~nEndpoint handler callbacks:~n", []),
--- End diff --
If you need print something to stdout for debug proposes use ?debug macro.
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