選択できるのは25トピックまでです。
トピックは、先頭が英数字で、英数字とダッシュ('-')を使用した35文字以内のものにしてください。
199 行
7.7 KiB
199 行
7.7 KiB
%%% Mock a package resource and create an app magically for each URL submitted.
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-module(mock_pkg_resource).
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-export([mock/0, mock/1, unmock/0]).
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-define(MOD, rebar_pkg_resource).
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-include("rebar.hrl").
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%%%%%%%%%%%%%%%%%
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%%% Interface %%%
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%%%%%%%%%%%%%%%%%
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%% @doc same as `mock([])'.
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mock() -> mock([]).
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%% @doc Mocks a fake version of the git resource fetcher that creates
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%% empty applications magically, rather than trying to download them.
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%% Specific config options are explained in each of the private functions.
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-spec mock(Opts) -> ok when
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Opts :: [Option],
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Option :: {upgrade, [App]}
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| {cache_dir, string()}
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| {default_vsn, Vsn}
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| {override_vsn, [{App, Vsn}]}
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| {not_in_index, [{App, Vsn}]}
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| {pkgdeps, [{{App,Vsn}, [Dep]}]},
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App :: string(),
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Dep :: {App, string(), {pkg, App, Vsn, InnerHash, OuterHash}},
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Vsn :: string(),
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InnerHash :: string() | undefined,
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OuterHash :: string() | undefined.
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mock(Opts) ->
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meck:new(?MOD, [no_link, passthrough]),
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mock_lock(Opts),
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mock_update(Opts),
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mock_vsn(Opts),
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mock_download(Opts),
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mock_pkg_index(Opts),
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ok.
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unmock() ->
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meck:unload(?MOD),
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meck:unload(rebar_packages).
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%%%%%%%%%%%%%%%
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%%% Private %%%
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%%%%%%%%%%%%%%%
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%% @doc creates values for a lock file.
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mock_lock(_) ->
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meck:expect(?MOD, lock, fun(AppInfo, _) ->
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{pkg, Name, Vsn, InnerHash, OuterHash, _RepoConfig} = rebar_app_info:source(AppInfo),
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{pkg, Name, Vsn, InnerHash, OuterHash}
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end).
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%% @doc The config passed to the `mock/2' function can specify which apps
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%% should be updated on a per-name basis: `{update, ["App1", "App3"]}'.
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mock_update(Opts) ->
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ToUpdate = proplists:get_value(upgrade, Opts, []),
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meck:expect(
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?MOD, needs_update,
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fun(AppInfo, _) ->
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{pkg, App, _Vsn, _InnerHash, _OuterHash, _} = rebar_app_info:source(AppInfo),
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lists:member(binary_to_list(App), ToUpdate)
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end).
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%% @doc Replicated an unsupported call.
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mock_vsn(_Opts) ->
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meck:expect(
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?MOD, make_vsn,
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fun(_AppInfo, _) ->
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{error, "Replacing version of type pkg not supported."}
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end).
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%% @doc For each app to download, create a dummy app on disk instead.
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%% The configuration for this one (passed in from `mock/1') includes:
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%%
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%% - Specify a version with `{pkg, _, Vsn, _}'
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%% - Dependencies for each application must be passed of the form:
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%% `{pkgdeps, [{"app1", [{app2, ".*", {pkg, ...}}]}]}' -- basically
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%% the `pkgdeps' option takes a key/value list of terms to output directly
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%% into a `rebar.config' file to describe dependencies.
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mock_download(Opts) ->
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Deps = proplists:get_value(pkgdeps, Opts, []),
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Config = proplists:get_value(config, Opts, []),
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meck:expect(
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?MOD, download,
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fun (Dir, AppInfo, _, _) ->
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{pkg, AppBin, Vsn, _, _, _} = rebar_app_info:source(AppInfo),
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App = rebar_utils:to_list(AppBin),
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filelib:ensure_dir(Dir),
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AppDeps = proplists:get_value({App,Vsn}, Deps, []),
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{ok, AppInfo1} = rebar_test_utils:create_app(
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Dir, App, rebar_utils:to_list(Vsn),
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[kernel, stdlib] ++ [element(1,D) || D <- AppDeps]
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),
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rebar_test_utils:create_config(Dir, [{deps, AppDeps}]++Config),
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TarApp = App++"-"++rebar_utils:to_list(Vsn)++".tar",
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Metadata = #{<<"app">> => AppBin,
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<<"version">> => Vsn},
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Files = all_files(rebar_app_info:dir(AppInfo1)),
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{ok, #{tarball := Tarball}} = r3_hex_tarball:create(Metadata, archive_names(Dir, Files)),
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Archive = filename:join([Dir, TarApp]),
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file:write_file(Archive, Tarball),
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Cache = proplists:get_value(cache_dir, Opts, filename:join(Dir,"cache")),
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Cached = filename:join([Cache, TarApp]),
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filelib:ensure_dir(Cached),
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rebar_file_utils:mv(Archive, Cached),
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ok
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end).
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%% @doc On top of the pkg resource mocking, we need to mock the package
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%% index.
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%%
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%% A special option, `{not_in_index, [App]}' lets the index leave out
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%% specific applications otherwise listed.
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mock_pkg_index(Opts) ->
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Deps = proplists:get_value(pkgdeps, Opts, []),
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Repos = proplists:get_value(repos, Opts, [<<"hexpm">>]),
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Skip = proplists:get_value(not_in_index, Opts, []),
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%% Dict: {App, Vsn}: [{<<"link">>, <<>>}, {<<"deps">>, []}]
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%% Index: all apps and deps in the index
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Dict = find_parts(Deps, Skip),
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to_index(Deps, Dict, Repos),
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meck:new(rebar_packages, [passthrough, no_link]),
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meck:expect(rebar_packages, update_package,
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fun(_, _, _State) -> ok end),
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meck:expect(rebar_packages, verify_table,
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fun(_State) -> true end).
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%%%%%%%%%%%%%%%
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%%% Helpers %%%
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%%%%%%%%%%%%%%%
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all_files(Dir) ->
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filelib:wildcard(filename:join([Dir, "**"])).
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archive_names(Dir, Files) ->
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[{(F -- Dir) -- "/", F} || F <- Files].
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find_parts(Apps, Skip) -> find_parts(Apps, Skip, dict:new()).
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find_parts([], _, Acc) -> Acc;
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find_parts([{AppName, Deps}|Rest], Skip, Acc) ->
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case lists:member(AppName, Skip) orelse dict:is_key(AppName,Acc) of
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true -> find_parts(Rest, Skip, Acc);
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false ->
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AccNew = dict:store(AppName,
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Deps,
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Acc),
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find_parts(Rest, Skip, AccNew)
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end.
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parse_deps(Deps) ->
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[{maps:get(app, D, Name), {pkg, Name, Constraint, undefined, undefined}} || D=#{package := Name,
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requirement := Constraint} <- Deps].
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to_index(AllDeps, Dict, Repos) ->
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catch ets:delete(?PACKAGE_TABLE),
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rebar_packages:new_package_table(),
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dict:fold(
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fun({N, V}, Deps, _) ->
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DepsList = [#{package => DKB,
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app => DKB,
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requirement => DVB,
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source => {pkg, DKB, DVB, undefined, undefined}}
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|| {DK, DV} <- Deps,
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DKB <- [ec_cnv:to_binary(DK)],
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DVB <- [ec_cnv:to_binary(DV)]],
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Repo = rebar_test_utils:random_element(Repos),
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ets:insert(?PACKAGE_TABLE, #package{key={N, ec_semver:parse(V), Repo},
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dependencies=parse_deps(DepsList),
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retired=false,
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inner_checksum = <<"inner_checksum">>,
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outer_checksum = <<"checksum">>})
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end, ok, Dict),
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lists:foreach(fun({{Name, Vsn}, _}) ->
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case lists:any(fun(R) ->
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ets:member(?PACKAGE_TABLE, {ec_cnv:to_binary(Name), ec_semver:parse(Vsn), R})
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end, Repos) of
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false ->
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Repo = rebar_test_utils:random_element(Repos),
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ets:insert(?PACKAGE_TABLE, #package{key={ec_cnv:to_binary(Name), ec_semver:parse(Vsn), Repo},
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dependencies=[],
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retired=false,
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inner_checksum = <<"inner_checksum">>,
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outer_checksum = <<"checksum">>});
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true ->
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ok
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end
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end, AllDeps).
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