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path: root/test/rebar_src_dirs_SUITE.erl
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-module(rebar_src_dirs_SUITE).

-export([suite/0,
         init_per_suite/1,
         end_per_suite/1,
         init_per_testcase/2,
         end_per_testcase/2,
         all/0,
         src_dirs_at_root/1,
         extra_src_dirs_at_root/1,
         src_dirs_in_erl_opts/1,
         extra_src_dirs_in_erl_opts/1,
         src_dirs_at_root_and_in_erl_opts/1,
         dupe_src_dirs_at_root_and_in_erl_opts/1,
         extra_src_dirs_at_root_and_in_erl_opts/1,
         build_basic_app/1,
         build_multi_apps/1,
         src_dir_takes_precedence_over_extra/1,
         src_dir_checkout_dep/1,
         app_src_info/1]).

-include_lib("common_test/include/ct.hrl").
-include_lib("eunit/include/eunit.hrl").

suite() ->
    [].

init_per_suite(Config) ->
    Config.

end_per_suite(_Config) ->
    ok.

init_per_testcase(_, Config) ->
    rebar_test_utils:init_rebar_state(Config).

end_per_testcase(_, _Config) -> ok.

all() ->
    [src_dirs_at_root, extra_src_dirs_at_root,
     src_dirs_in_erl_opts, extra_src_dirs_in_erl_opts,
     src_dirs_at_root_and_in_erl_opts,
     dupe_src_dirs_at_root_and_in_erl_opts,
     extra_src_dirs_at_root_and_in_erl_opts,
     build_basic_app, build_multi_apps, src_dir_takes_precedence_over_extra,
     src_dir_checkout_dep, app_src_info].

src_dirs_at_root(Config) ->
    AppDir = ?config(apps, Config),

    Name = rebar_test_utils:create_random_name("app1_"),
    Vsn = rebar_test_utils:create_random_vsn(),
    rebar_test_utils:create_app(AppDir, Name, Vsn, [kernel, stdlib]),

    RebarConfig = [{src_dirs, ["foo", "bar", "baz"]}],

    {ok, State} = rebar_test_utils:run_and_check(Config, RebarConfig, ["compile"], return),

    ["bar", "baz", "foo"] = rebar_dir:src_dirs(rebar_state:opts(State), []).

extra_src_dirs_at_root(Config) ->
    AppDir = ?config(apps, Config),

    Name = rebar_test_utils:create_random_name("app1_"),
    Vsn = rebar_test_utils:create_random_vsn(),
    rebar_test_utils:create_app(AppDir, Name, Vsn, [kernel, stdlib]),

    RebarConfig = [{extra_src_dirs, ["foo", "bar", "baz"]}],

    {ok, State} = rebar_test_utils:run_and_check(Config, RebarConfig, ["compile"], return),

    ["bar", "baz", "foo"] = rebar_dir:extra_src_dirs(rebar_state:opts(State), []).

src_dirs_in_erl_opts(Config) ->
    AppDir = ?config(apps, Config),

    Name = rebar_test_utils:create_random_name("app1_"),
    Vsn = rebar_test_utils:create_random_vsn(),
    rebar_test_utils:create_app(AppDir, Name, Vsn, [kernel, stdlib]),

    RebarConfig = [{erl_opts, [{src_dirs, ["foo", "bar", "baz"]}]}],

    {ok, State} = rebar_test_utils:run_and_check(Config, RebarConfig, ["compile"], return),

    ["bar", "baz", "foo"] = rebar_dir:src_dirs(rebar_state:opts(State), []).

extra_src_dirs_in_erl_opts(Config) ->
    AppDir = ?config(apps, Config),

    Name = rebar_test_utils:create_random_name("app1_"),
    Vsn = rebar_test_utils:create_random_vsn(),
    rebar_test_utils:create_app(AppDir, Name, Vsn, [kernel, stdlib]),

    RebarConfig = [{erl_opts, [{extra_src_dirs, ["foo", "bar", "baz"]}]}],

    {ok, State} = rebar_test_utils:run_and_check(Config, RebarConfig, ["compile"], return),

    ["bar", "baz", "foo"] = rebar_dir:extra_src_dirs(rebar_state:opts(State), []).

src_dirs_at_root_and_in_erl_opts(Config) ->
    AppDir = ?config(apps, Config),

    Name = rebar_test_utils:create_random_name("src_dirs_root_erlopts_"),
    Vsn = rebar_test_utils:create_random_vsn(),
    rebar_test_utils:create_app(AppDir, Name, Vsn, [kernel, stdlib]),

    RebarConfig = [{erl_opts, [{src_dirs, ["foo", "bar"]}]}, {src_dirs, ["baz", "qux"]}],

    %% move the .app.src file to one of the subdirs, out of src/
    filelib:ensure_dir(filename:join([AppDir, "qux", "fake"])),
    rebar_file_utils:mv(filename:join([AppDir, "src", Name ++ ".app.src"]),
                        filename:join([AppDir, "qux", Name ++ ".app.src"])),

    {ok, State} = rebar_test_utils:run_and_check(Config, RebarConfig, ["compile"], return),

    ["bar", "baz", "foo", "qux"] = rebar_dir:src_dirs(rebar_state:opts(State), []),
    rebar_test_utils:run_and_check(Config, RebarConfig, ["compile"],
                                   {ok, [{app, Name}]}),
    ok.

dupe_src_dirs_at_root_and_in_erl_opts(Config) ->
    AppDir = ?config(apps, Config),

    Name = rebar_test_utils:create_random_name("dupe_src_dirs_root_erlopts_"),
    Vsn = rebar_test_utils:create_random_vsn(),
    rebar_test_utils:create_app(AppDir, Name, Vsn, [kernel, stdlib]),

    RebarConfig = [{erl_opts, [{src_dirs, ["foo", "bar"]}]}, {src_dirs, ["baz", "qux"]}],

    %% move the .app.src file to one of the subdirs, out of src/
    filelib:ensure_dir(filename:join([AppDir, "qux", "fake"])),
    filelib:ensure_dir(filename:join([AppDir, "foo", "fake"])),
    Src1 = filename:join([AppDir, "qux", Name ++ ".app.src"]),
    Src2 = filename:join([AppDir, "foo", Name ++ ".app.src"]),
    rebar_file_utils:mv(filename:join([AppDir, "src", Name ++ ".app.src"]),
                        Src1),
    %% Then copy it over to create a conflict with dupes
    file:copy(Src1, Src2),

    {error, {rebar_prv_app_discovery, {multiple_app_files, [Src2, Src1]}}} =
      rebar_test_utils:run_and_check(Config, RebarConfig, ["compile"], return),

    ok.

extra_src_dirs_at_root_and_in_erl_opts(Config) ->
    AppDir = ?config(apps, Config),

    Name = rebar_test_utils:create_random_name("app1_"),
    Vsn = rebar_test_utils:create_random_vsn(),
    rebar_test_utils:create_app(AppDir, Name, Vsn, [kernel, stdlib]),

    RebarConfig = [{erl_opts, [{extra_src_dirs, ["foo", "bar"]}]}, {extra_src_dirs, ["baz", "qux"]}],

    {ok, State} = rebar_test_utils:run_and_check(Config, RebarConfig, ["compile"], return),

    ["bar", "baz", "foo", "qux"] = rebar_dir:extra_src_dirs(rebar_state:opts(State), []).

build_basic_app(Config) ->
    AppDir = ?config(apps, Config),

    Name = rebar_test_utils:create_random_name("app1_"),
    Vsn = rebar_test_utils:create_random_vsn(),
    rebar_test_utils:create_app(AppDir, Name, Vsn, [kernel, stdlib]),

    Extra = filename:join([AppDir, "extra", "extra.erl"]),
    ok = filelib:ensure_dir(Extra),
    Src = io_lib:format("-module(extra).~n-export([x/0]).~nx() -> ok.", []),
    ok = ec_file:write(Extra, Src),

    RebarConfig = [{erl_opts, [{extra_src_dirs, ["extra"]}]}],

    rebar_test_utils:run_and_check(Config, RebarConfig, ["compile"], {ok, [{app, Name}]}),

    %% check that `extra.erl` was compiled to the `extra` dir
    ExtraOut = filename:join([AppDir, "_build", "default", "lib", Name, "extra"]),
    true = filelib:is_file(filename:join([ExtraOut, "extra.beam"])),

    %% check that `extra.erl` is not in the `modules` key of the app
    {ok, App} = file:consult(filename:join([AppDir,
                                            "_build",
                                            "default",
                                            "lib",
                                            Name,
                                            "ebin",
                                            Name ++ ".app"])),
    [{application, _, KVs}] = App,
    Mods = proplists:get_value(modules, KVs),
    false = lists:member(extra, Mods).

build_multi_apps(Config) ->
    AppDir = ?config(apps, Config),

    Name1 = rebar_test_utils:create_random_name("app1_"),
    Vsn1 = rebar_test_utils:create_random_vsn(),
    rebar_test_utils:create_app(filename:join([AppDir,"apps",Name1]), Name1, Vsn1, [kernel, stdlib]),
    Name2 = rebar_test_utils:create_random_name("app2_"),
    Vsn2 = rebar_test_utils:create_random_vsn(),
    rebar_test_utils:create_app(filename:join([AppDir,"apps",Name2]), Name2, Vsn2, [kernel, stdlib]),

    Extra1 = filename:join([AppDir, "apps", Name1, "extra", "extra1.erl"]),
    ok = filelib:ensure_dir(Extra1),
    Src1 = io_lib:format("-module(extra1).~n-export([x/0]).~nx() -> ok.", []),
    ok = ec_file:write(Extra1, Src1),

    Extra2 = filename:join([AppDir, "apps", Name2, "extra", "extra2.erl"]),
    ok = filelib:ensure_dir(Extra2),
    Src2 = io_lib:format("-module(extra2).~n-export([x/0]).~nx() -> ok.", []),
    ok = ec_file:write(Extra2, Src2),

    RebarConfig = [{erl_opts, [{extra_src_dirs, ["extra"]}]}],

    rebar_test_utils:run_and_check(
        Config, RebarConfig, ["compile"],
        {ok, [{app, Name1}, {app, Name2}]}
    ),

    %% check that `extraX.erl` was compiled to the `ebin` dir
    ExtraOut1 = filename:join([AppDir, "_build", "default", "lib", Name1, "extra"]),
    true = filelib:is_file(filename:join([ExtraOut1, "extra1.beam"])),

    ExtraOut2 = filename:join([AppDir, "_build", "default", "lib", Name2, "extra"]),
    true = filelib:is_file(filename:join([ExtraOut2, "extra2.beam"])),

    %% check that `extraX.erl` is not in the `modules` key of the app
    {ok, App1} = file:consult(filename:join([AppDir,
                                             "_build",
                                             "default",
                                             "lib",
                                             Name1,
                                             "ebin",
                                             Name1 ++ ".app"])),
    [{application, _, KVs1}] = App1,
    Mods1 = proplists:get_value(modules, KVs1),
    false = lists:member(extra1, Mods1),

    {ok, App2} = file:consult(filename:join([AppDir,
                                             "_build",
                                             "default",
                                             "lib",
                                             Name2,
                                             "ebin",
                                             Name2 ++ ".app"])),
    [{application, _, KVs2}] = App2,
    Mods2 = proplists:get_value(modules, KVs2),
    false = lists:member(extra2, Mods2).

src_dir_takes_precedence_over_extra(Config) ->
    AppDir = ?config(apps, Config),

    Name = rebar_test_utils:create_random_name("app1_"),
    Vsn = rebar_test_utils:create_random_vsn(),
    rebar_test_utils:create_app(AppDir, Name, Vsn, [kernel, stdlib]),

    Extra = filename:join([AppDir, "extra", "extra.erl"]),
    ok = filelib:ensure_dir(Extra),
    Src = io_lib:format("-module(extra).~n-export([x/0]).~nx() -> ok.", []),
    ok = ec_file:write(Extra, Src),

    RebarConfig = [{erl_opts, [{src_dirs, ["src", "extra"]}, {extra_src_dirs, ["extra"]}]}],

    rebar_test_utils:run_and_check(Config, RebarConfig, ["compile"], {ok, [{app, Name}]}),

    %% check that `extra.erl` was compiled to the `extra` dir
    ExtraOut = filename:join([AppDir, "_build", "default", "lib", Name, "extra"]),
    true = filelib:is_file(filename:join([ExtraOut, "extra.beam"])),

    %% check that `extra.erl` is in the `modules` key of the app
    {ok, App} = file:consult(filename:join([AppDir,
                                            "_build",
                                            "default",
                                            "lib",
                                            Name,
                                            "ebin",
                                            Name ++ ".app"])),
    [{application, _, KVs}] = App,
    Mods = proplists:get_value(modules, KVs),
    true = lists:member(extra, Mods).

src_dir_checkout_dep(Config) ->
    AppDir = ?config(apps, Config),
    AppName = rebar_test_utils:create_random_name("src_dir_checkout_app"),
    DepName = rebar_test_utils:create_random_name("src_dir_checkout_dep"),
    AtomDep = list_to_atom(DepName),

    Vsn = rebar_test_utils:create_random_vsn(),
    rebar_test_utils:create_app(AppDir, AppName, Vsn, [kernel, stdlib]),
    RebarConfig = [{deps, [AtomDep]}],

    DepDir = filename:join([?config(checkouts, Config), DepName]),
    ct:pal("checkouts dir: ~p", [DepDir]),
    rebar_test_utils:create_app(DepDir, DepName, Vsn, [kernel, stdlib]),


    %% move the .app.src file to one of the subdirs, out of src/
    rebar_file_utils:mv(filename:join([DepDir, "src"]),
                        filename:join([DepDir, "qux"])),
    DepRebarConfig = [{erl_opts, [{src_dirs, ["foo", "bar"]}]},
                      {src_dirs, ["baz", "qux"]}],
    file:write_file(filename:join([DepDir, "rebar.config"]),
                    io_lib:format("~p.~n~p.~n", DepRebarConfig)),

    rebar_test_utils:run_and_check(
        Config, RebarConfig, ["compile"],
        {ok, [{checkout, DepName}, {app, AppName}]}
    ),
    ok.

app_src_info(Config) ->
    PrivDir = ?config(priv_dir, Config),
    AppName1 = rebar_test_utils:create_random_name("app_src_info"),
    AppDir1 = filename:join(PrivDir, AppName1),
    {ok, Info1} = rebar_app_info:new(AppName1, "1.0.0", AppDir1),
    AppSrc1 = filename:join([AppDir1, "src", AppName1 ++ ".app.src"]),
    ok = filelib:ensure_dir(AppSrc1),
    ok = file:write_file(AppSrc1, "[]."),
    ?assertEqual(AppSrc1, rebar_app_info:app_file_src(Info1)),

    AppName2 = rebar_test_utils:create_random_name("app_src_info"),
    AppDir2 = filename:join(PrivDir, AppName2),
    {ok, Info2Tmp} = rebar_app_info:new(AppName2, "1.0.0", AppDir2),
    Info2 = rebar_app_info:set(Info2Tmp, src_dirs, ["foo", "bar", "baz"]),
    AppSrc2 = filename:join([AppDir2, "bar", AppName2 ++ ".app.src"]),
    ok = filelib:ensure_dir(AppSrc2),
    ok = file:write_file(AppSrc2, "[]."),
    ?assertEqual(AppSrc2, rebar_app_info:app_file_src(Info2)),
    ok.