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authorLoïc Hoguin <[email protected]>2018-11-05 10:01:51 +0100
committerLoïc Hoguin <[email protected]>2018-11-05 10:01:51 +0100
commit06f9f3714f1630d4818ae0d240871a7656b9bcad (patch)
tree70dba4e7541821942edfdb820566080dca25a3dc /test/handlers
parent8c9ad7bf078871295e391f416bfcb10c9156a35f (diff)
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Test switch_handler against all relevant REST callbacks
Diffstat (limited to 'test/handlers')
-rw-r--r--test/handlers/switch_handler_h.erl148
1 files changed, 145 insertions, 3 deletions
diff --git a/test/handlers/switch_handler_h.erl b/test/handlers/switch_handler_h.erl
index f1580d1..264be68 100644
--- a/test/handlers/switch_handler_h.erl
+++ b/test/handlers/switch_handler_h.erl
@@ -1,21 +1,163 @@
-module(switch_handler_h).
-export([init/2]).
+
+-export([allowed_methods/2]).
+-export([allow_missing_post/2]).
+-export([charsets_provided/2]).
+-export([content_types_accepted/2]).
-export([content_types_provided/2]).
+-export([delete_completed/2]).
+-export([delete_resource/2]).
+-export([forbidden/2]).
+-export([is_authorized/2]).
+-export([is_conflict/2]).
+-export([known_methods/2]).
+-export([languages_provided/2]).
+-export([malformed_request/2]).
+-export([moved_permanently/2]).
+-export([moved_temporarily/2]).
+-export([multiple_choices/2]).
+-export([options/2]).
+-export([previously_existed/2]).
+-export([rate_limited/2]).
+-export([resource_exists/2]).
+-export([service_available/2]).
+-export([uri_too_long/2]).
+-export([valid_content_headers/2]).
+-export([valid_entity_length/2]).
+
+-export([accept/2]).
-export([provide/2]).
+
-export([info/3]).
init(Req, State) ->
{cowboy_rest, Req, State}.
+allowed_methods(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+allow_missing_post(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+charsets_provided(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+content_types_accepted(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
content_types_provided(Req, State) ->
- {[{<<"text/plain">>, provide}], Req, State}.
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+delete_completed(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+delete_resource(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+forbidden(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+is_authorized(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+is_conflict(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+known_methods(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+languages_provided(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+malformed_request(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+moved_permanently(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+moved_temporarily(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+multiple_choices(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+options(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+previously_existed(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+rate_limited(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+resource_exists(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+service_available(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+uri_too_long(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+valid_content_headers(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+valid_entity_length(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+accept(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+provide(Req, State) ->
+ maybe_switch_handler(Req, State, ?FUNCTION_NAME).
+
+maybe_switch_handler(Req=#{qs := Qs}, State, StateName) ->
+ case atom_to_binary(StateName, latin1) of
+ Qs -> do_switch_handler(Req, State);
+ _ -> do_default(Req, State, StateName)
+ end.
+
+%% These are all the methods necessary to reach all callbacks.
+do_default(Req, State, allowed_methods) ->
+ {[<<"GET">>, <<"POST">>, <<"PUT">>, <<"DELETE">>, <<"OPTIONS">>], Req, State};
+%% We need to accept/provide media types to reach these callbacks.
+do_default(Req, State, content_types_accepted) ->
+ {[{<<"text/plain">>, accept}], Req, State};
+do_default(Req, State, content_types_provided) ->
+ {[{<<"text/plain">>, provide}], Req, State};
+%% We need resource_exists to return false to reach these callbacks.
+do_default(Req=#{qs := <<"allow_missing_post">>}, State, resource_exists) ->
+ {false, Req, State};
+do_default(Req=#{qs := <<"moved_permanently">>}, State, resource_exists) ->
+ {false, Req, State};
+do_default(Req=#{qs := <<"moved_temporarily">>}, State, resource_exists) ->
+ {false, Req, State};
+do_default(Req=#{qs := <<"previously_existed">>}, State, resource_exists) ->
+ {false, Req, State};
+%% We need previously_existed to return true to reach these callbacks.
+do_default(Req=#{qs := <<"moved_permanently">>}, State, previously_existed) ->
+ {true, Req, State};
+do_default(Req=#{qs := <<"moved_temporarily">>}, State, previously_existed) ->
+ {true, Req, State};
+%% We need the DELETE to suceed to reach this callback.
+do_default(Req=#{qs := <<"delete_completed">>}, State, delete_resource) ->
+ {true, Req, State};
+%% We should never reach these two callbacks.
+do_default(Req, State, accept) ->
+ {false, Req, State};
+do_default(Req, State, provide) ->
+ {<<"This is REST!">>, Req, State};
+%% Simulate the callback being missing in any other cases.
+do_default(_, _, _) ->
+ no_call.
-provide(Req0, run) ->
+do_switch_handler(Req0, run) ->
Req = cowboy_req:stream_reply(200, Req0),
send_after(0),
{{switch_handler, cowboy_loop}, Req, 0};
-provide(Req0, hibernate) ->
+do_switch_handler(Req0, hibernate) ->
Req = cowboy_req:stream_reply(200, Req0),
send_after(0),
{{switch_handler, cowboy_loop, hibernate}, Req, 0}.