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%% Feel free to use, reuse and abuse the code in this file.
-module(http_handler_errors).
-behaviour(cowboy_http_handler).
-export([init/3, handle/2, terminate/3]).
init({_Transport, http}, Req, _Opts) ->
{Case, Req1} = cowboy_req:qs_val(<<"case">>, Req),
case_init(Case, Req1).
case_init(<<"init_before_reply">> = Case, _Req) ->
erlang:error(Case);
case_init(<<"init_after_reply">> = Case, Req) ->
{ok, _Req1} = cowboy_req:reply(200, [], "http_handler_crashes", Req),
erlang:error(Case);
case_init(<<"init_reply_handle_error">> = Case, Req) ->
{ok, Req1} = cowboy_req:reply(200, [], "http_handler_crashes", Req),
{ok, Req1, Case};
case_init(<<"handle_before_reply">> = Case, Req) ->
{ok, Req, Case};
case_init(<<"handle_after_reply">> = Case, Req) ->
{ok, Req, Case}.
handle(_Req, <<"init_reply_handle_error">> = Case) ->
erlang:error(Case);
handle(_Req, <<"handle_before_reply">> = Case) ->
erlang:error(Case);
handle(Req, <<"handle_after_reply">> = Case) ->
{ok, _Req1} = cowboy_req:reply(200, [], "http_handler_crashes", Req),
erlang:error(Case).
terminate(_, _, _) ->
ok.
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