Fix echo_get example

examples/echo_get/src/echo_get_app.erl

@@ -16,9 +16,9 @@ start(_Type, _Args) ->
 			{"/", toppage_handler, []}
 		]}
 	]),
-	{ok, _} = cowboy:start_http(http, 100, [{port, 8080}], [
-		{env, [{dispatch, Dispatch}]}
-	]),
+	{ok, _} = cowboy:start_clear(http, 100, [{port, 8080}], #{
+		env => #{dispatch => Dispatch}
+	}),
 	echo_get_sup:start_link().
 
 stop(_State) ->

examples/echo_get/src/toppage_handler.erl

@@ -14,9 +14,9 @@ init(Req, Opts) ->
 echo(<<"GET">>, undefined, Req) ->
 	cowboy_req:reply(400, [], <<"Missing echo parameter.">>, Req);
 echo(<<"GET">>, Echo, Req) ->
-	cowboy_req:reply(200, [
-		{<<"content-type">>, <<"text/plain; charset=utf-8">>}
-	], Echo, Req);
+	cowboy_req:reply(200, #{
+		<<"content-type">> => <<"text/plain; charset=utf-8">>
+	}, Echo, Req);
 echo(_, _, Req) ->
 	%% Method not allowed.
 	cowboy_req:reply(405, Req).

test/examples_SUITE.erl

@@ -42,19 +42,22 @@ do_get_paths(Example0) ->
 	{ok, CWD} = file:get_cwd(),
 	Dir = CWD ++ "/../../examples/" ++ Example,
 	Rel = Dir ++ "/_rel/" ++ Example ++ "_example/bin/" ++ Example ++ "_example",
-	{Dir, Rel}.
+	Log = Dir ++ "/_rel/" ++ Example ++ "_example/log/erlang.log.1",
+	{Dir, Rel, Log}.
 
 do_compile_and_start(Example) ->
-	{Dir, Rel} = do_get_paths(Example),
-	ct:comment("~s~n", [os:cmd("cd " ++ Dir ++ " && make distclean && make all")]),
-	ct:comment("~s~n", [os:cmd(Rel ++ " stop")]),
-	ct:comment("~s~n", [os:cmd(Rel ++ " start")]),
+	{Dir, Rel, _} = do_get_paths(Example),
+	%% TERM=dumb disables relx coloring.
+	ct:log("~s~n", [os:cmd("cd " ++ Dir ++ " && make distclean && TERM=dumb make all")]),
+	ct:log("~s~n", [os:cmd(Rel ++ " stop")]),
+	ct:log("~s~n", [os:cmd(Rel ++ " start")]),
 	timer:sleep(2000),
 	ok.
 
 do_stop(Example) ->
-	{_, Rel} = do_get_paths(Example),
-	ct:comment("~s~n", [os:cmd(Rel ++ " stop")]),
+	{_, Rel, Log} = do_get_paths(Example),
+	ct:log("~s~n", [os:cmd(Rel ++ " stop")]),
+	ct:log("~s~n", [element(2, file:read_file(Log))]),
 	ok.
 
 %% TCP and SSL Hello World.
@@ -89,3 +92,22 @@ do_hello_world(Transport, Protocol, Config) ->
 	{response, nofin, 200, _} = gun:await(ConnPid, Ref),
 	{ok, <<"Hello world!">>} = gun:await_body(ConnPid, Ref),
 	ok.
+
+%% Echo GET and POST.
+
+echo_get(Config) ->
+	doc("GET parameter echo example."),
+	try
+		do_compile_and_start(echo_get),
+		do_echo_get(tcp, http, Config),
+		do_echo_get(tcp, http2, Config)
+	after
+		do_stop(echo_get)
+	end.
+
+do_echo_get(Transport, Protocol, Config) ->
+	ConnPid = gun_open([{port, 8080}, {type, Transport}, {protocol, Protocol}|Config]),
+	Ref = gun:get(ConnPid, "/?echo=this+is+fun"),
+	{response, nofin, 200, _} = gun:await(ConnPid, Ref),
+	{ok, <<"this is fun">>} = gun:await_body(ConnPid, Ref),
+	ok.