From fd07b389524f54f79175a5ac5d9f9050fb66bc61 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= <essen@ninenines.eu>
Date: Wed, 8 Jun 2016 14:28:52 +0200
Subject: Add a test suite that checks examples are working

---
 test/examples_SUITE.erl | 91 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 test/examples_SUITE.erl

(limited to 'test')

diff --git a/test/examples_SUITE.erl b/test/examples_SUITE.erl
new file mode 100644
index 0000000..aa7e507
--- /dev/null
+++ b/test/examples_SUITE.erl
@@ -0,0 +1,91 @@
+%% Copyright (c) 2016, Loïc Hoguin <essen@ninenines.eu>
+%%
+%% Permission to use, copy, modify, and/or distribute this software for any
+%% purpose with or without fee is hereby granted, provided that the above
+%% copyright notice and this permission notice appear in all copies.
+%%
+%% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+%% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+%% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+%% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+%% WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+%% ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+%% OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+-module(examples_SUITE).
+-compile(export_all).
+
+-import(ct_helper, [config/2]).
+-import(ct_helper, [doc/1]).
+-import(cowboy_test, [gun_open/1]).
+
+%% ct.
+
+all() ->
+	ct_helper:all(?MODULE).
+
+%% Remove environment variables inherited from Erlang.mk.
+init_per_suite(Config) ->
+	os:unsetenv("ERLANG_MK_TMP"),
+	os:unsetenv("APPS_DIR"),
+	os:unsetenv("DEPS_DIR"),
+	os:unsetenv("ERL_LIBS"),
+	Config.
+
+end_per_suite(_) ->
+	ok.
+
+%% Compile, start and stop releases.
+
+do_get_paths(Example0) ->
+	Example = atom_to_list(Example0),
+	{ok, CWD} = file:get_cwd(),
+	Dir = CWD ++ "/../../examples/" ++ Example,
+	Rel = Dir ++ "/_rel/" ++ Example ++ "_example/bin/" ++ Example ++ "_example",
+	{Dir, Rel}.
+
+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")]),
+	timer:sleep(2000),
+	ok.
+
+do_stop(Example) ->
+	{_, Rel} = do_get_paths(Example),
+	ct:comment("~s~n", [os:cmd(Rel ++ " stop")]),
+	ok.
+
+%% TCP and SSL Hello World.
+
+hello_world(Config) ->
+	doc("Hello World example."),
+	try
+		do_compile_and_start(hello_world),
+		do_hello_world(tcp, http, Config),
+		do_hello_world(tcp, http2, Config)
+	after
+		do_stop(hello_world)
+	end.
+
+ssl_hello_world(Config) ->
+	doc("SSL Hello World example."),
+	try
+		do_compile_and_start(ssl_hello_world),
+		do_hello_world(ssl, http, Config),
+		do_hello_world(ssl, http2, Config)
+	after
+		do_stop(ssl_hello_world)
+	end.
+
+do_hello_world(Transport, Protocol, Config) ->
+	Port = case Transport of
+		tcp -> 8080;
+		ssl -> 8443
+	end,
+	ConnPid = gun_open([{port, Port}, {type, Transport}, {protocol, Protocol}|Config]),
+	Ref = gun:get(ConnPid, "/"),
+	{response, nofin, 200, _} = gun:await(ConnPid, Ref),
+	{ok, <<"Hello world!">>} = gun:await_body(ConnPid, Ref),
+	ok.
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