Add the static_handler test suite

1 files changed, 761 insertions, 0 deletions

diff --git a/test/static_handler_SUITE.erl b/test/static_handler_SUITE.erl
new file mode 100644
index 0000000..fdeae10
--- /dev/null
+++ b/test/static_handler_SUITE.erl
@@ -0,0 +1,761 @@
+%% Copyright (c) 2016, Loïc Hoguin <[email protected]>
+%%
+%% 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(static_handler_SUITE).
+-compile(export_all).
+
+-import(ct_helper, [config/2]).
+-import(ct_helper, [doc/1]).
+-import(cowboy_test, [gun_open/1]).
+
+%% ct.
+
+all() ->
+	cowboy_test:common_all().
+
+groups() ->
+	AllTests = ct_helper:all(?MODULE),
+	%% The directory tests are shared between dir and priv_dir options.
+	DirTests = lists:usort([F || {F, 1} <- ?MODULE:module_info(exports),
+		string:substr(atom_to_list(F), 1, 4) =:= "dir_"
+	]),
+	OtherTests = AllTests -- DirTests,
+	GroupTests = OtherTests ++ [
+		{dir, [parallel], DirTests},
+		{priv_dir, [parallel], DirTests}
+	],
+	[
+		{http, [parallel], GroupTests},
+		{https, [parallel], GroupTests},
+		{h2, [parallel], GroupTests},
+		{h2c, [parallel], GroupTests}
+		%% @todo With compression enabled.
+	].
+
+init_per_suite(Config) ->
+	%% @todo When we can chain stream handlers, write one
+	%% to hide these expected errors.
+	ct:print("This test suite will produce error reports. "
+		"The path for these expected errors begins with '/bad' or '/char'."),
+	%% Two static folders are created: one in ct_helper's private directory,
+	%% and one in the test run private directory.
+	PrivDir = code:priv_dir(ct_helper) ++ "/static",
+	StaticDir = config(priv_dir, Config) ++ "/static",
+	ct_helper:create_static_dir(PrivDir),
+	ct_helper:create_static_dir(StaticDir),
+	init_large_file(PrivDir ++ "/large.bin"),
+	init_large_file(StaticDir ++ "/large.bin"),
+	%% A special folder contains files of 1 character from 0 to 127.
+	CharDir = config(priv_dir, Config) ++ "/char",
+	ok = filelib:ensure_dir(CharDir ++ "/file"),
+	Chars = lists:flatten([case file:write_file(CharDir ++ [$/, C], [C]) of
+		ok -> C;
+		{error, _} -> []
+	end || C <- lists:seq(0, 127)]),
+	[{static_dir, StaticDir}, {char_dir, CharDir}, {chars, Chars}|Config].
+
+end_per_suite(Config) ->
+	ct:print("This test suite produced error reports. "
+		"The path for these expected errors begins with '/bad' or '/char'."),
+	%% Special directory.
+	CharDir = config(char_dir, Config),
+	_ = [file:delete(CharDir ++ [$/, C]) || C <- lists:seq(0, 127)],
+	file:del_dir(CharDir),
+	%% Static directories.
+	StaticDir = config(static_dir, Config),
+	PrivDir = code:priv_dir(ct_helper) ++ "/static",
+	ok = file:delete(StaticDir ++ "/large.bin"),
+	ok = file:delete(PrivDir ++ "/large.bin"),
+	ct_helper:delete_static_dir(StaticDir),
+	ct_helper:delete_static_dir(PrivDir).
+
+init_per_group(dir, Config) ->
+	[{prefix, "/dir"}|Config];
+init_per_group(priv_dir, Config) ->
+	[{prefix, "/priv_dir"}|Config];
+init_per_group(tttt, Config) ->
+	Config;
+init_per_group(Name, Config) ->
+	cowboy_test:init_common_groups(Name, Config, ?MODULE).
+
+end_per_group(Name, _) ->
+	cowboy:stop_listener(Name).
+
+%% Large file.
+
+init_large_file(Filename) ->
+	case os:type() of
+		{unix, _} ->
+			"" = os:cmd("truncate -s 512M " ++ Filename),
+			ok;
+		{win32, _} ->
+			ok
+	end.
+
+%% Routes.
+
+init_dispatch(Config) ->
+	cowboy_router:compile([{'_', [
+		{"/priv_dir/[...]", cowboy_static, {priv_dir, ct_helper, "static"}},
+		{"/dir/[...]", cowboy_static, {dir, config(static_dir, Config)}},
+		{"/priv_file/style.css", cowboy_static, {priv_file, ct_helper, "static/style.css"}},
+		{"/file/style.css", cowboy_static, {file, config(static_dir, Config) ++ "/style.css"}},
+		{"/index", cowboy_static, {file, config(static_dir, Config) ++ "/index.html"}},
+		{"/mime/all/[...]", cowboy_static, {priv_dir, ct_helper, "static",
+			[{mimetypes, cow_mimetypes, all}]}},
+		{"/mime/custom/[...]", cowboy_static, {priv_dir, ct_helper, "static",
+			[{mimetypes, ?MODULE, do_mime_custom}]}},
+		{"/mime/crash/[...]", cowboy_static, {priv_dir, ct_helper, "static",
+			[{mimetypes, ?MODULE, do_mime_crash}]}},
+		{"/mime/hardcode/binary-form", cowboy_static, {priv_file, ct_helper, "static/file.cowboy",
+			[{mimetypes, <<"application/vnd.ninenines.cowboy+xml;v=1">>}]}},
+		{"/mime/hardcode/tuple-form", cowboy_static, {priv_file, ct_helper, "static/file.cowboy",
+			[{mimetypes, {<<"application">>, <<"vnd.ninenines.cowboy+xml">>, [{<<"v">>, <<"1">>}]}}]}},
+		{"/etag/custom", cowboy_static, {file, config(static_dir, Config) ++ "/style.css",
+			[{etag, ?MODULE, do_etag_custom}]}},
+		{"/etag/crash", cowboy_static, {file, config(static_dir, Config) ++ "/style.css",
+			[{etag, ?MODULE, do_etag_crash}]}},
+		{"/etag/disable", cowboy_static, {file, config(static_dir, Config) ++ "/style.css",
+			[{etag, false}]}},
+		{"/bad", cowboy_static, bad},
+		{"/bad/priv_dir/app/[...]", cowboy_static, {priv_dir, bad_app, "static"}},
+		{"/bad/priv_dir/no-priv/[...]", cowboy_static, {priv_dir, cowboy, "static"}},
+		{"/bad/priv_dir/path/[...]", cowboy_static, {priv_dir, ct_helper, "bad"}},
+		{"/bad/priv_dir/route", cowboy_static, {priv_dir, ct_helper, "static"}},
+		{"/bad/dir/path/[...]", cowboy_static, {dir, "/bad/path"}},
+		{"/bad/dir/route", cowboy_static, {dir, config(static_dir, Config)}},
+		{"/bad/priv_file/app", cowboy_static, {priv_file, bad_app, "static/style.css"}},
+		{"/bad/priv_file/no-priv", cowboy_static, {priv_file, cowboy, "static/style.css"}},
+		{"/bad/priv_file/path", cowboy_static, {priv_file, ct_helper, "bad/style.css"}},
+		{"/bad/file/path", cowboy_static, {file, "/bad/path/style.css"}},
+		{"/bad/options", cowboy_static, {priv_file, ct_helper, "static/style.css", bad}},
+		{"/bad/options/mime", cowboy_static, {priv_file, ct_helper, "static/style.css", [{mimetypes, bad}]}},
+		{"/bad/options/etag", cowboy_static, {priv_file, ct_helper, "static/style.css", [{etag, true}]}},
+		{"/unknown/option", cowboy_static, {priv_file, ct_helper, "static/style.css", [{bad, option}]}},
+		{"/char/[...]", cowboy_static, {dir, config(char_dir, Config)}}
+	]}]).
+
+%% Internal functions.
+
+do_etag_crash(_, _, _) ->
+	ct_helper_error_h:ignore(?MODULE, do_etag_crash, 3),
+	exit(crash).
+
+do_etag_custom(_, _, _) ->
+	{strong, <<"etag">>}.
+
+do_mime_crash(_) ->
+	ct_helper_error_h:ignore(?MODULE, do_mime_crash, 1),
+	exit(crash).
+
+do_mime_custom(Path) ->
+	case filename:extension(Path) of
+		<<".cowboy">> -> <<"application/vnd.ninenines.cowboy+xml;v=1">>;
+		<<".txt">> -> <<"text/plain">>;
+		_ -> {<<"application">>, <<"octet-stream">>, []}
+	end.
+
+do_get(Path, Config) ->
+	do_get(Path, [], Config).
+
+do_get(Path, ReqHeaders, Config) ->
+	ConnPid = gun_open(Config),
+	Ref = gun:get(ConnPid, Path, ReqHeaders),
+	{response, IsFin, Status, RespHeaders} = gun:await(ConnPid, Ref),
+	{ok, Body} = case IsFin of
+		nofin -> gun:await_body(ConnPid, Ref);
+		fin -> {ok, <<>>}
+	end,
+	gun:close(ConnPid),
+	{Status, RespHeaders, Body}.
+
+%% Tests.
+
+bad(Config) ->
+	doc("Bad cowboy_static options: not a tuple."),
+	{500, _, _} = do_get("/bad", Config),
+	ok.
+
+bad_dir_path(Config) ->
+	doc("Bad cowboy_static options: wrong path."),
+	{404, _, _} = do_get("/bad/dir/path/style.css", Config),
+	ok.
+
+bad_dir_route(Config) ->
+	doc("Bad cowboy_static options: missing [...] in route."),
+	{500, _, _} = do_get("/bad/dir/route", Config),
+	ok.
+
+bad_file_path(Config) ->
+	doc("Bad cowboy_static options: wrong path."),
+	{404, _, _} = do_get("/bad/file/path", Config),
+	ok.
+
+bad_options(Config) ->
+	doc("Bad cowboy_static extra options: not a list."),
+	{500, _, _} = do_get("/bad/options", Config),
+	ok.
+
+bad_options_etag(Config) ->
+	doc("Bad cowboy_static extra options: invalid etag option."),
+	{500, _, _} = do_get("/bad/options/etag", Config),
+	ok.
+
+bad_options_mime(Config) ->
+	doc("Bad cowboy_static extra options: invalid mimetypes option."),
+	{500, _, _} = do_get("/bad/options/mime", Config),
+	ok.
+
+bad_priv_dir_app(Config) ->
+	doc("Bad cowboy_static options: wrong application name."),
+	{500, _, _} = do_get("/bad/priv_dir/app/style.css", Config),
+	ok.
+
+bad_priv_dir_no_priv(Config) ->
+	doc("Bad cowboy_static options: application has no priv directory."),
+	{404, _, _} = do_get("/bad/priv_dir/no-priv/style.css", Config),
+	ok.
+
+bad_priv_dir_path(Config) ->
+	doc("Bad cowboy_static options: wrong path."),
+	{404, _, _} = do_get("/bad/priv_dir/path/style.css", Config),
+	ok.
+
+bad_priv_dir_route(Config) ->
+	doc("Bad cowboy_static options: missing [...] in route."),
+	{500, _, _} = do_get("/bad/priv_dir/route", Config),
+	ok.
+
+bad_priv_file_app(Config) ->
+	doc("Bad cowboy_static options: wrong application name."),
+	{500, _, _} = do_get("/bad/priv_file/app", Config),
+	ok.
+
+bad_priv_file_no_priv(Config) ->
+	doc("Bad cowboy_static options: application has no priv directory."),
+	{404, _, _} = do_get("/bad/priv_file/no-priv", Config),
+	ok.
+
+bad_priv_file_path(Config) ->
+	doc("Bad cowboy_static options: wrong path."),
+	{404, _, _} = do_get("/bad/priv_file/path", Config),
+	ok.
+
+dir_cowboy(Config) ->
+	doc("Get a .cowboy file."),
+	{200, Headers, <<"File with custom extension.\n">>}
+		= do_get(config(prefix, Config) ++ "/file.cowboy", Config),
+	{_, <<"application/octet-stream">>} = lists:keyfind(<<"content-type">>, 1, Headers),
+	ok.
+
+dir_css(Config) ->
+	doc("Get a .css file."),
+	{200, Headers, <<"body{color:red}\n">>}
+		= do_get(config(prefix, Config) ++ "/style.css", Config),
+	{_, <<"text/css">>} = lists:keyfind(<<"content-type">>, 1, Headers),
+	ok.
+
+dir_css_urlencoded(Config) ->
+	doc("Get a .css file with the extension dot urlencoded."),
+	{200, Headers, <<"body{color:red}\n">>}
+		= do_get(config(prefix, Config) ++ "/style%2ecss", Config),
+	{_, <<"text/css">>} = lists:keyfind(<<"content-type">>, 1, Headers),
+	ok.
+
+dir_dot_file(Config) ->
+	doc("Get a file with extra dot segments in the path."),
+	%% All these are equivalent.
+	{200, _, _} = do_get(config(prefix, Config) ++ "/./style.css", Config),
+	{200, _, _} = do_get(config(prefix, Config) ++ "/././style.css", Config),
+	{200, _, _} = do_get(config(prefix, Config) ++ "/./././style.css", Config),
+	{200, _, _} = do_get("/./priv_dir/style.css", Config),
+	{200, _, _} = do_get("/././priv_dir/style.css", Config),
+	{200, _, _} = do_get("/./././priv_dir/style.css", Config),
+	ok.
+
+dir_dotdot_file(Config) ->
+	doc("Get a file with extra dotdot segments in the path."),
+	%% All these are equivalent.
+	{200, _, _} = do_get("/../priv_dir/style.css", Config),
+	{200, _, _} = do_get("/../../priv_dir/style.css", Config),
+	{200, _, _} = do_get("/../../../priv_dir/style.css", Config),
+	{200, _, _} = do_get(config(prefix, Config) ++ "/../priv_dir/style.css", Config),
+	{200, _, _} = do_get(config(prefix, Config) ++ "/../../priv_dir/style.css", Config),
+	{200, _, _} = do_get(config(prefix, Config) ++ "/../../../priv_dir/style.css", Config),
+	{200, _, _} = do_get("/../priv_dir/../priv_dir/style.css", Config),
+	{200, _, _} = do_get("/../../priv_dir/../../priv_dir/style.css", Config),
+	{200, _, _} = do_get("/../../../priv_dir/../../../priv_dir/style.css", Config),
+	%% Try with non-existing segments, which may correspond to real folders.
+	{200, _, _} = do_get("/anything/../priv_dir/style.css", Config),
+	{200, _, _} = do_get(config(prefix, Config) ++ "/anything/../style.css", Config),
+	{200, _, _} = do_get(config(prefix, Config) ++ "/directory/../style.css", Config),
+	{200, _, _} = do_get(config(prefix, Config) ++ "/static/../style.css", Config),
+	%% Try with segments corresponding to real files. It works because
+	%% URI normalization happens before looking at the filesystem.
+	{200, _, _} = do_get(config(prefix, Config) ++ "/style.css/../style.css", Config),
+	{200, _, _} = do_get(config(prefix, Config) ++ "/style.css/../../priv_dir/style.css", Config),
+	%% Try to fool the server to accept segments corresponding to real folders.
+	{404, _, _} = do_get(config(prefix, Config) ++ "/../static/style.css", Config),
+	{404, _, _} = do_get(config(prefix, Config) ++ "/directory/../../static/style.css", Config),
+	ok.
+
+dir_error_directory(Config) ->
+	doc("Try to get a directory."),
+	{403, _, _} = do_get(config(prefix, Config) ++ "/directory", Config),
+	ok.
+
+dir_error_directory_slash(Config) ->
+	doc("Try to get a directory with an extra slash in the path."),
+	{403, _, _} = do_get(config(prefix, Config) ++ "/directory/", Config),
+	ok.
+
+dir_error_doesnt_exist(Config) ->
+	doc("Try to get a file that does not exist."),
+	{404, _, _} = do_get(config(prefix, Config) ++ "/not.found", Config),
+	ok.
+
+dir_error_dot(Config) ->
+	doc("Try to get a file named '.'."),
+	{403, _, _} = do_get(config(prefix, Config) ++ "/.", Config),
+	ok.
+
+dir_error_dot_urlencoded(Config) ->
+	doc("Try to get a file named '.' percent encoded."),
+	{403, _, _} = do_get(config(prefix, Config) ++ "/%2e", Config),
+	ok.
+
+dir_error_dotdot(Config) ->
+	doc("Try to get a file named '..'."),
+	{404, _, _} = do_get(config(prefix, Config) ++ "/..", Config),
+	ok.
+
+dir_error_dotdot_urlencoded(Config) ->
+	doc("Try to get a file named '..' percent encoded."),
+	{404, _, _} = do_get(config(prefix, Config) ++ "/%2e%2e", Config),
+	ok.
+
+dir_error_empty(Config) ->
+	doc("Try to get the configured directory."),
+	{403, _, _} = do_get(config(prefix, Config) ++ "", Config),
+	ok.
+
+dir_error_slash(Config) ->
+	%% I know the description isn't that good considering / has a meaning in URIs.
+	doc("Try to get a file named '/'."),
+	{403, _, _} = do_get(config(prefix, Config) ++ "//", Config),
+	ok.
+
+dir_error_slash_urlencoded(Config) ->
+	doc("Try to get a file named '/' percent encoded."),
+	{404, _, _} = do_get(config(prefix, Config) ++ "/%2f", Config),
+	ok.
+
+dir_error_slash_urlencoded_dotdot_file(Config) ->
+	doc("Try to use a percent encoded slash to access an existing file."),
+	{200, _, _} = do_get(config(prefix, Config) ++ "/directory/../style.css", Config),
+	{404, _, _} = do_get(config(prefix, Config) ++ "/directory%2f../style.css", Config),
+	ok.
+
+dir_error_unreadable(Config) ->
+	doc("Try to get a file that can't be read."),
+	{403, _, _} = do_get(config(prefix, Config) ++ "/unreadable", Config),
+	ok.
+
+dir_html(Config) ->
+	doc("Get a .html file."),
+	{200, Headers, <<"<html><body>Hello!</body></html>\n">>}
+		= do_get(config(prefix, Config) ++ "/index.html", Config),
+	{_, <<"text/html">>} = lists:keyfind(<<"content-type">>, 1, Headers),
+	ok.
+
+%% @todo This test results in a crash dump.
+%dir_large_file(Config) ->
+%	doc("Get a large file."),
+%	{200, Headers, _} = do_get(config(prefix, Config) ++ "/large.bin", Config),
+%	{_, <<"text/html">>} = lists:keyfind(<<"content-type">>, 1, Headers),
+%% @todo Receive body.
+%	ok.
+
+dir_text(Config) ->
+	doc("Get a .txt file. The extension is unknown by default."),
+	{200, Headers, <<"Timeless space.\n">>}
+		= do_get(config(prefix, Config) ++ "/plain.txt", Config),
+	{_, <<"application/octet-stream">>} = lists:keyfind(<<"content-type">>, 1, Headers),
+	ok.
+
+dir_unknown(Config) ->
+	doc("Get a file with no extension."),
+	{200, Headers, <<"File with no extension.\n">>}
+		= do_get(config(prefix, Config) ++ "/unknown", Config),
+	{_, <<"application/octet-stream">>} = lists:keyfind(<<"content-type">>, 1, Headers),
+	ok.
+
+etag_crash(Config) ->
+	doc("Get a file with a crashing etag function."),
+	{500, _, _} = do_get("/etag/crash", Config),
+	ok.
+
+etag_custom(Config) ->
+	doc("Get a file with custom Etag function and make sure it is used."),
+	{200, Headers, _} = do_get("/etag/custom", Config),
+	{_, <<"\"etag\"">>} = lists:keyfind(<<"etag">>, 1, Headers),
+	ok.
+
+etag_default(Config) ->
+	doc("Get a file twice and make sure the Etag matches."),
+	{200, Headers1, _} = do_get("/dir/style.css", Config),
+	{200, Headers2, _} = do_get("/dir/style.css", Config),
+	{_, Etag} = lists:keyfind(<<"etag">>, 1, Headers1),
+	{_, Etag} = lists:keyfind(<<"etag">>, 1, Headers2),
+	ok.
+
+etag_default_change(Config) ->
+	doc("Get a file, modify it, get it again and make sure the Etag doesn't match."),
+	{200, Headers1, _} = do_get("/dir/index.html", Config),
+	{_, Etag1} = lists:keyfind(<<"etag">>, 1, Headers1),
+	ok = file:change_time(config(static_dir, Config) ++ "/index.html",
+		{{config(port, Config), 1, 1}, {1, 1, 1}}),
+	{200, Headers2, _} = do_get("/dir/index.html", Config),
+	{_, Etag2} = lists:keyfind(<<"etag">>, 1, Headers2),
+	true = Etag1 =/= Etag2,
+	ok.
+
+etag_disable(Config) ->
+	doc("Get a file with disabled Etag and make sure no Etag is provided."),
+	{200, Headers, _} = do_get("/etag/disable", Config),
+	false = lists:keyfind(<<"etag">>, 1, Headers),
+	ok.
+
+file(Config) ->
+	doc("Get a file with hardcoded route."),
+	{200, Headers, <<"body{color:red}\n">>} = do_get("/file/style.css", Config),
+	{_, <<"text/css">>} = lists:keyfind(<<"content-type">>, 1, Headers),
+	ok.
+
+if_match(Config) ->
+	doc("Get a file with If-Match matching."),
+	{200, _, _} = do_get("/etag/custom", [
+		{<<"if-match">>, <<"\"etag\"">>}
+	], Config),
+	ok.
+
+if_match_fail(Config) ->
+	doc("Get a file with If-Match not matching."),
+	{412, _, _} = do_get("/etag/custom", [
+		{<<"if-match">>, <<"\"invalid\"">>}
+	], Config),
+	ok.
+
+if_match_invalid(Config) ->
+	doc("Try to get a file with an invalid If-Match header."),
+	{400, _, _} = do_get("/etag/custom", [
+		{<<"if-match">>, <<"bad input">>}
+	], Config),
+	ok.
+
+if_match_list(Config) ->
+	doc("Get a file with If-Match matching."),
+	{200, _, _} = do_get("/etag/custom", [
+		{<<"if-match">>, <<"\"invalid\", \"etag\", \"cowboy\"">>}
+	], Config),
+	ok.
+
+if_match_list_fail(Config) ->
+	doc("Get a file with If-Match not matching."),
+	{412, _, _} = do_get("/etag/custom", [
+		{<<"if-match">>, <<"\"invalid\", W/\"etag\", \"cowboy\"">>}
+	], Config),
+	ok.
+
+if_match_weak(Config) ->
+	doc("Try to get a file with a weak If-Match header."),
+	{412, _, _} = do_get("/etag/custom", [
+		{<<"if-match">>, <<"W/\"etag\"">>}
+	], Config),
+	ok.
+
+if_match_wildcard(Config) ->
+	doc("Get a file with a wildcard If-Match."),
+	{200, _, _} = do_get("/etag/custom", [
+		{<<"if-match">>, <<"*">>}
+	], Config),
+	ok.
+
+if_modified_since(Config) ->
+	doc("Get a file with If-Modified-Since in the past."),
+	{200, _, _} = do_get("/etag/custom", [
+		{<<"if-modified-since">>, <<"Sat, 29 Oct 1994 19:43:31 GMT">>}
+	], Config),
+	ok.
+
+if_modified_since_fail(Config) ->
+	doc("Get a file with If-Modified-Since equal to file modification time."),
+	LastModified = filelib:last_modified(config(static_dir, Config) ++ "/style.css"),
+	{304, _, _} = do_get("/etag/custom", [
+		{<<"if-modified-since">>, httpd_util:rfc1123_date(LastModified)}
+	], Config),
+	ok.
+
+if_modified_since_future(Config) ->
+	doc("Get a file with If-Modified-Since in the future."),
+	{{Year, _, _}, {_, _, _}} = calendar:universal_time(),
+	{200, _, _} = do_get("/etag/custom", [
+		{<<"if-modified-since">>, [
+			<<"Sat, 29 Oct ">>,
+			integer_to_binary(Year + 1),
+			<<" 19:43:31 GMT">>]}
+	], Config),
+	ok.
+
+if_modified_since_if_none_match(Config) ->
+	doc("Get a file with both If-Modified-Since and If-None-Match headers."
+		"If-None-Match takes precedence and If-Modified-Since is ignored. (RFC7232 3.3)"),
+	LastModified = filelib:last_modified(config(static_dir, Config) ++ "/style.css"),
+	{200, _, _} = do_get("/etag/custom", [
+		{<<"if-modified-since">>, httpd_util:rfc1123_date(LastModified)},
+		{<<"if-none-match">>, <<"\"not-etag\"">>}
+	], Config),
+	ok.
+
+if_modified_since_invalid(Config) ->
+	doc("Get a file with an invalid If-Modified-Since header."),
+	{200, _, _} = do_get("/etag/custom", [
+		{<<"if-modified-since">>, <<"\"not a date\"">>}
+	], Config),
+	ok.
+
+if_none_match(Config) ->
+	doc("Get a file with If-None-Match not matching."),
+	{200, _, _} = do_get("/etag/custom", [
+		{<<"if-none-match">>, <<"\"not-etag\"">>}
+	], Config),
+	ok.
+
+if_none_match_fail(Config) ->
+	doc("Get a file with If-None-Match matching."),
+	{304, _, _} = do_get("/etag/custom", [
+		{<<"if-none-match">>, <<"\"etag\"">>}
+	], Config),
+	ok.
+
+if_none_match_invalid(Config) ->
+	doc("Try to get a file with an invalid If-None-Match header."),
+	{400, _, _} = do_get("/etag/custom", [
+		{<<"if-none-match">>, <<"bad input">>}
+	], Config),
+	ok.
+
+if_none_match_list(Config) ->
+	doc("Get a file with If-None-Match not matching."),
+	{200, _, _} = do_get("/etag/custom", [
+		{<<"if-none-match">>, <<"\"invalid\", W/\"not-etag\", \"cowboy\"">>}
+	], Config),
+	ok.
+
+if_none_match_list_fail(Config) ->
+	doc("Get a file with If-None-Match matching."),
+	{304, _, _} = do_get("/etag/custom", [
+		{<<"if-none-match">>, <<"\"invalid\", \"etag\", \"cowboy\"">>}
+	], Config),
+	ok.
+
+if_none_match_weak(Config) ->
+	doc("Try to get a file with a weak If-None-Match header matching."),
+	{304, _, _} = do_get("/etag/custom", [
+		{<<"if-none-match">>, <<"W/\"etag\"">>}
+	], Config),
+	ok.
+
+if_none_match_wildcard(Config) ->
+	doc("Try to get a file with a wildcard If-None-Match."),
+	{304, _, _} = do_get("/etag/custom", [
+		{<<"if-none-match">>, <<"*">>}
+	], Config),
+	ok.
+
+if_unmodified_since(Config) ->
+	doc("Get a file with If-Unmodified-Since equal to file modification time."),
+	LastModified = filelib:last_modified(config(static_dir, Config) ++ "/style.css"),
+	{200, _, _} = do_get("/etag/custom", [
+		{<<"if-unmodified-since">>, httpd_util:rfc1123_date(LastModified)}
+	], Config),
+	ok.
+
+if_unmodified_since_fail(Config) ->
+	doc("Get a file with If-Unmodified-Since in the past."),
+	{412, _, _} = do_get("/etag/custom", [
+		{<<"if-unmodified-since">>, <<"Sat, 29 Oct 1994 19:43:31 GMT">>}
+	], Config),
+	ok.
+
+if_unmodified_since_future(Config) ->
+	doc("Get a file with If-Unmodified-Since in the future."),
+	{{Year, _, _}, {_, _, _}} = calendar:universal_time(),
+	{200, _, _} = do_get("/etag/custom", [
+		{<<"if-unmodified-since">>, [
+			<<"Sat, 29 Oct ">>,
+			integer_to_binary(Year + 1),
+			<<" 19:43:31 GMT">>]}
+	], Config),
+	ok.
+
+if_unmodified_since_if_match(Config) ->
+	doc("Get a file with both If-Unmodified-Since and If-Match headers."
+		"If-Match takes precedence and If-Unmodified-Since is ignored. (RFC7232 3.4)"),
+	{200, _, _} = do_get("/etag/custom", [
+		{<<"if-unmodified-since">>, <<"Sat, 29 Oct 1994 19:43:31 GMT">>},
+		{<<"if-match">>, <<"\"etag\"">>}
+	], Config),
+	ok.
+
+if_unmodified_since_invalid(Config) ->
+	doc("Get a file with an invalid If-Unmodified-Since header."),
+	{200, _, _} = do_get("/etag/custom", [
+		{<<"if-unmodified-since">>, <<"\"not a date\"">>}
+	], Config),
+	ok.
+
+index_file(Config) ->
+	doc("Get an index file."),
+	{200, Headers, <<"<html><body>Hello!</body></html>\n">>} = do_get("/index", Config),
+	{_, <<"text/html">>} = lists:keyfind(<<"content-type">>, 1, Headers),
+	ok.
+
+index_file_slash(Config) ->
+	doc("Get an index file with extra slash."),
+	{200, Headers, <<"<html><body>Hello!</body></html>\n">>} = do_get("/index/", Config),
+	{_, <<"text/html">>} = lists:keyfind(<<"content-type">>, 1, Headers),
+	ok.
+
+last_modified(Config) ->
+	doc("Get a file, modify it, get it again and make sure Last-Modified changes."),
+	{200, Headers1, _} = do_get("/dir/file.cowboy", Config),
+	{_, LastModified1} = lists:keyfind(<<"last-modified">>, 1, Headers1),
+	ok = file:change_time(config(static_dir, Config) ++ "/file.cowboy",
+		{{config(port, Config), 1, 1}, {1, 1, 1}}),
+	{200, Headers2, _} = do_get("/dir/file.cowboy", Config),
+	{_, LastModified2} = lists:keyfind(<<"last-modified">>, 1, Headers2),
+	true = LastModified1 =/= LastModified2,
+	ok.
+
+mime_all_cowboy(Config) ->
+	doc("Get a .cowboy file. The extension is unknown."),
+	{200, Headers, _} = do_get("/mime/all/file.cowboy", Config),
+	{_, <<"application/octet-stream">>} = lists:keyfind(<<"content-type">>, 1, Headers),
+	ok.
+
+mime_all_css(Config) ->
+	doc("Get a .css file."),
+	{200, Headers, _} = do_get("/mime/all/style.css", Config),
+	{_, <<"text/css">>} = lists:keyfind(<<"content-type">>, 1, Headers),
+	ok.
+
+mime_all_txt(Config) ->
+	doc("Get a .txt file."),
+	{200, Headers, _} = do_get("/mime/all/plain.txt", Config),
+	{_, <<"text/plain">>} = lists:keyfind(<<"content-type">>, 1, Headers),
+	ok.
+
+mime_crash(Config) ->
+	doc("Get a file with a crashing mimetype function."),
+	{500, _, _} = do_get("/mime/crash/style.css", Config),
+	ok.
+
+mime_custom_cowboy(Config) ->
+	doc("Get a .cowboy file."),
+	{200, Headers, _} = do_get("/mime/custom/file.cowboy", Config),
+	{_, <<"application/vnd.ninenines.cowboy+xml;v=1">>} = lists:keyfind(<<"content-type">>, 1, Headers),
+	ok.
+
+mime_custom_css(Config) ->
+	doc("Get a .css file. The extension is unknown."),
+	{200, Headers, _} = do_get("/mime/custom/style.css", Config),
+	{_, <<"application/octet-stream">>} = lists:keyfind(<<"content-type">>, 1, Headers),
+	ok.
+
+mime_custom_txt(Config) ->
+	doc("Get a .txt file."),
+	{200, Headers, _} = do_get("/mime/custom/plain.txt", Config),
+	{_, <<"text/plain">>} = lists:keyfind(<<"content-type">>, 1, Headers),
+	ok.
+
+mime_hardcode_binary(Config) ->
+	doc("Get a .cowboy file with hardcoded route."),
+	{200, Headers, _} = do_get("/mime/hardcode/binary-form", Config),
+	{_, <<"application/vnd.ninenines.cowboy+xml;v=1">>} = lists:keyfind(<<"content-type">>, 1, Headers),
+	ok.
+
+mime_hardcode_tuple(Config) ->
+	doc("Get a .cowboy file with hardcoded route."),
+	{200, Headers, _} = do_get("/mime/hardcode/tuple-form", Config),
+	{_, <<"application/vnd.ninenines.cowboy+xml;v=1">>} = lists:keyfind(<<"content-type">>, 1, Headers),
+	ok.
+
+priv_file(Config) ->
+	doc("Get a file with hardcoded route."),
+	{200, Headers, <<"body{color:red}\n">>} = do_get("/priv_file/style.css", Config),
+	{_, <<"text/css">>} = lists:keyfind(<<"content-type">>, 1, Headers),
+	ok.
+
+unicode_basic_latin(Config) ->
+	doc("Get a file with non-urlencoded characters from Unicode Basic Latin block."),
+	_ = [case do_get("/char/" ++ [C], Config) of
+		{200, _, << C >>} -> ok;
+		Error -> exit({error, C, Error})
+	end || C <-
+		%% Excluding the dot which has a special meaning in URLs
+		%% when they are the only content in a path segment,
+		%% and is tested as part of filenames in other test cases.
+		"abcdefghijklmnopqrstuvwxyz"
+		"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+		"0123456789"
+		":@-_~!$&'()*+,;="
+	],
+	ok.
+
+unicode_basic_error(Config) ->
+	doc("Try to get a file with invalid non-urlencoded characters from Unicode Basic Latin block."),
+	Exclude = case config(protocol, Config) of
+		%% Some characters trigger different errors in HTTP/1.1
+		%% because they are used for the protocol.
+		%%
+		%% # and ? indicate fragment and query components
+		%% and are therefore not part of the path.
+		http -> "\r\s#?";
+		http2 -> "#?"
+	end,
+	_ = [case do_get("/char/" ++ [C], Config) of
+		{500, _, _} -> ok;
+		Error -> exit({error, C, Error})
+	end || C <- (config(chars, Config) -- Exclude) --
+		"abcdefghijklmnopqrstuvwxyz"
+		"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+		"0123456789"
+		":@-_~!$&'()*+,;="
+	],
+	ok.
+
+unicode_basic_latin_urlencoded(Config) ->
+	doc("Get a file with urlencoded characters from Unicode Basic Latin block."),
+	_ = [case do_get(lists:flatten(["/char/%", io_lib:format("~2.16.0b", [C])]), Config) of
+		{200, _, << C >>} -> ok;
+		Error -> exit({error, C, Error})
+	end || C <- config(chars, Config)],
+	ok.
+
+unknown_option(Config) ->
+	doc("Get a file configured with unknown extra options."),
+	{200, Headers, <<"body{color:red}\n">>} = do_get("/unknown/option", Config),
+	{_, <<"text/css">>} = lists:keyfind(<<"content-type">>, 1, Headers),
+	ok.