Github user kxepal commented on a diff in the pull request:
https://github.com/apache/couchdb-couch/pull/55#discussion_r31046557
--- Diff: test/couch_httpd_headers_tests.erl ---
@@ -0,0 +1,55 @@
+% 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.
+
+-module(couch_httpd_headers_tests).
+
+-include_lib("couch/include/couch_eunit.hrl").
+
+add_header_if_needed_test() ->
+ Cases = [
+ % should add to empty headers list
+ {[], {"K1", "V1"}, [{"K1", "V1"}]},
+ % should add to non-empty header_list
+ {[{"K1", "V1"}], {"K2", "V2"}, [{"K1", "V1"}, {"K2",
"V2"}]},
+ % should not add or change when already there
+ {[{"K1", "V1"}], {"K1", "V2"}, [{"K1", "V1"}]},
+ % should not add or change when already there
+ {[{"K1", "V1"}, {"K2", "V2"}], {"K1", "V2"}, [{"K1", "V1"}, {"K2",
"V2"}]},
+ % should add to a bit longer list
+ {[{"K1", "V1"}, {"K2", "V2"}], {"K3", "V3"}, [{"K1", "V1"}, {"K2",
"V2"}, {"K3", "V3"}]}
+ ],
+ lists:map(fun({InitialHeaders, HeaderToAdd, ProperResult}) ->
+ ?assertEqual(ProperResult,
couch_httpd:add_header_if_needed(HeaderToAdd, InitialHeaders))
+ end, Cases).
+
+add_default_headers_if_needed_test() ->
+ % couch_httpd uses process dictionary to check if currently in a
+ % json serving method. Defaults to 'application/javascript' otherwise.
+ % In this test, with an empty dummy request it will also default to
that.
+ DummyRequest = [],
+ NoCacheHeader = {"Cache-Control", "no-cache"},
+ DefaultMustRevalidateHeader = {"Cache-Control", "must-revalidate"},
+ DefaultApplicationJavascriptHeader = {"Content-Type",
"application/javascript"},
+ ApplicationJsonHeader = {"Content-Type", "application/json"},
+ Cases = [
+ % When there are no headers should add Content-Type and
Cache-Control
+ {[],
[DefaultApplicationJavascriptHeader, DefaultMustRevalidateHeader]},
--- End diff --
Can we not go beyond from 80 right margin?
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