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-module(rebar_paths_SUITE).
-include_lib("eunit/include/eunit.hrl").
-include_lib("common_test/include/ct.hrl").
-compile(export_all).
all() ->
[%clashing_apps,
check_modules,
set_paths
].
init_per_testcase(Case, Config) ->
BasePaths = code:get_path(),
%% This test checks that the right module sets get loaded; however, we must
%% ensure that we do not have clashes with other test suites' loaded modules,
%% which we cannot track. As such, we have to ensure all module names here are
%% unique.
%%
%% This is done by hand; if you see this test suite failing on its own, you
%% probably wrote a test suite that clashes!
Dir = filename:join([?config(priv_dir, Config), atom_to_list(?MODULE),
atom_to_list(Case)]),
InDir = fun(Path) -> filename:join([Dir, Path]) end,
ADep = fake_app(<<"rp_a">>, <<"1.0.0">>, InDir("_build/default/lib/rp_a/")),
BDep = fake_app(<<"rp_b">>, <<"1.0.0">>, InDir("_build/default/lib/rp_b/")),
CDep = fake_app(<<"rp_c">>, <<"1.0.0">>, InDir("_build/default/lib/rp_c/")),
DDep = fake_app(<<"rp_d">>, <<"1.0.0">>, InDir("_build/default/lib/rp_d/")),
RelxDep = fake_app(<<"relx">>, <<"1.0.0">>, InDir("_build/default/lib/relx/")),
APlug = fake_app(<<"rp_a">>, <<"1.0.0">>,
InDir("_build/default/plugins/lib/rp_a/")),
RelxPlug = fake_app(<<"relx">>, <<"1.1.1">>,
InDir("_build/default/plugins/lib/relx")),
EPlug = fake_app(<<"rp_e">>, <<"1.0.0">>,
InDir("_build/default/plugins/lib/rp_e/")),
S0 = rebar_state:new(),
S1 = rebar_state:all_deps(S0, [ADep, BDep, CDep, DDep, RelxDep]),
S2 = rebar_state:all_plugin_deps(S1, [APlug, RelxPlug]),
S3 = rebar_state:code_paths(S2, default, code:get_path()),
S4 = rebar_state:code_paths(
S3,
all_deps,
[rebar_app_info:ebin_dir(A) || A <- [ADep, BDep, CDep, DDep, RelxDep]]
),
S5 = rebar_state:code_paths(
S4,
all_plugin_deps,
[rebar_app_info:ebin_dir(A) || A <- [APlug, RelxPlug, EPlug]]
),
[{base_paths, BasePaths}, {root_dir, Dir}, {state, S5} | Config].
end_per_testcase(_, Config) ->
%% this is deeply annoying because we interfere with rebar3's own
%% path handling!
rebar_paths:unset_paths([plugins, deps], ?config(state, Config)),
Config.
fake_app(Name, Vsn, OutDir) ->
{ok, App} = rebar_app_info:new(Name, Vsn, OutDir),
compile_fake_appmod(App),
App.
compile_fake_appmod(App) ->
OutDir = rebar_app_info:ebin_dir(App),
Vsn = rebar_app_info:original_vsn(App),
Name = rebar_app_info:name(App),
ok = filelib:ensure_dir(filename:join([OutDir, ".touch"])),
AppFile = [
"{application,", Name, ", "
" [{description, \"some app\"}, "
" {vsn, \"", Vsn, "\"}, "
" {modules, [",Name,"]}, "
" {registered, []}, "
" {applications, [stdlib, kernel]} "
" ]}. "],
ok = file:write_file(filename:join([OutDir, <<Name/binary, ".app">>]), AppFile),
Mod = [{attribute, 1, module, binary_to_atom(Name, utf8)},
{attribute, 2, export, [{f,0}]},
{function,3,f,0,
[{clause,3, [], [],
[{string,3,OutDir}]
}]}
],
{ok, _, Bin} = compile:forms(Mod),
ok = file:write_file(filename:join([OutDir, <<Name/binary, ".beam">>]), Bin).
clashing_apps(Config) ->
Clashes = rebar_paths:clashing_apps([deps, plugins],
?config(state, Config)),
ct:pal("Clashes: ~p", [Clashes]),
?assertEqual([<<"relx">>, <<"rp_a">>], lists:sort(proplists:get_value(deps, Clashes))),
?assertEqual(undefined, proplists:get_value(plugins, Clashes)),
ok.
set_paths(Config) ->
State = ?config(state, Config),
RootDir = filename:split(?config(root_dir, Config)),
rebar_paths:set_paths([plugins, deps], State),
PluginPaths = code:get_path(),
rebar_paths:set_paths([deps, plugins], State),
DepPaths = code:get_path(),
?assertEqual(
RootDir ++ ["_build", "default", "plugins", "lib", "rp_a", "ebin"],
find_first_instance("rp_a", PluginPaths)
),
?assertEqual(
RootDir ++ ["_build", "default", "lib", "rp_b", "ebin"],
find_first_instance("rp_b", PluginPaths)
),
?assertEqual(
RootDir ++ ["_build", "default", "lib", "rp_c", "ebin"],
find_first_instance("rp_c", PluginPaths)
),
?assertEqual(
RootDir ++ ["_build", "default", "lib", "rp_d", "ebin"],
find_first_instance("rp_d", PluginPaths)
),
?assertEqual(
RootDir ++ ["_build", "default", "plugins", "lib", "rp_e", "ebin"],
find_first_instance("rp_e", PluginPaths)
),
?assertEqual(
RootDir ++ ["_build", "default", "plugins", "lib", "relx", "ebin"],
find_first_instance("relx", PluginPaths)
),
?assertEqual(
RootDir ++ ["_build", "default", "lib", "rp_a", "ebin"],
find_first_instance("rp_a", DepPaths)
),
?assertEqual(
RootDir ++ ["_build", "default", "lib", "rp_b", "ebin"],
find_first_instance("rp_b", DepPaths)
),
?assertEqual(
RootDir ++ ["_build", "default", "lib", "rp_c", "ebin"],
find_first_instance("rp_c", DepPaths)
),
?assertEqual(
RootDir ++ ["_build", "default", "lib", "rp_d", "ebin"],
find_first_instance("rp_d", DepPaths)
),
?assertEqual(
RootDir ++ ["_build", "default", "plugins", "lib", "rp_e", "ebin"],
find_first_instance("rp_e", DepPaths)
),
?assertEqual(
RootDir ++ ["_build", "default", "lib", "relx", "ebin"],
find_first_instance("relx", DepPaths)
),
ok.
check_modules(Config) ->
State = ?config(state, Config),
RootDir = ?config(root_dir, Config)++"/",
rebar_paths:set_paths([plugins, deps], State),
ct:pal("code:get_path() -> ~p", [code:get_path()]),
?assertEqual(RootDir ++ "_build/default/plugins/lib/rp_a/ebin", rp_a:f()),
ct:pal("~p", [catch file:list_dir(RootDir ++ "_build/default/lib/")]),
ct:pal("~p", [catch file:list_dir(RootDir ++ "_build/default/lib/rp_b/")]),
ct:pal("~p", [catch file:list_dir(RootDir ++ "_build/default/lib/rp_b/ebin")]),
ct:pal("~p", [catch b:module_info()]),
?assertEqual(RootDir ++ "_build/default/lib/rp_b/ebin", rp_b:f()),
?assertEqual(RootDir ++ "_build/default/lib/rp_c/ebin", rp_c:f()),
?assertEqual(RootDir ++ "_build/default/lib/rp_d/ebin", rp_d:f()),
?assertEqual(RootDir ++ "_build/default/plugins/lib/rp_e/ebin", rp_e:f()),
?assertEqual(RootDir ++ "_build/default/plugins/lib/relx/ebin", relx:f()),
?assertEqual(3, length(relx:module_info(exports))), % can't replace bundled
rebar_paths:set_paths([deps, plugins], State),
ct:pal("code:get_path() -> ~p", [code:get_path()]),
?assertEqual(RootDir ++ "_build/default/lib/rp_a/ebin", rp_a:f()),
?assertEqual(RootDir ++ "_build/default/lib/rp_b/ebin", rp_b:f()),
?assertEqual(RootDir ++ "_build/default/lib/rp_c/ebin", rp_c:f()),
?assertEqual(RootDir ++ "_build/default/lib/rp_d/ebin", rp_d:f()),
?assertEqual(RootDir ++ "_build/default/plugins/lib/rp_e/ebin", rp_e:f()),
?assertEqual(RootDir ++ "_build/default/lib/relx/ebin", relx:f()),
?assertEqual(3, length(relx:module_info(exports))), % can't replace bundled
%% once again
rebar_paths:set_paths([plugins, deps], State),
ct:pal("code:get_path() -> ~p", [code:get_path()]),
?assertEqual(RootDir ++ "_build/default/plugins/lib/rp_a/ebin", rp_a:f()),
?assertEqual(RootDir ++ "_build/default/lib/rp_b/ebin", rp_b:f()),
?assertEqual(RootDir ++ "_build/default/lib/rp_c/ebin", rp_c:f()),
?assertEqual(RootDir ++ "_build/default/lib/rp_d/ebin", rp_d:f()),
?assertEqual(RootDir ++ "_build/default/plugins/lib/rp_e/ebin", rp_e:f()),
?assertEqual(RootDir ++ "_build/default/plugins/lib/relx/ebin", relx:f()),
?assertEqual(3, length(relx:module_info(exports))), % can't replace bundled
ok.
find_first_instance(Frag, []) ->
{not_found, Frag};
find_first_instance(Frag, [Path|Rest]) ->
Frags = filename:split(Path),
case lists:member(Frag, Frags) of
true -> Frags;
false -> find_first_instance(Frag, Rest)
end.
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