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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2017. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
-module(typer_SUITE).
-export([all/0,suite/0,groups/0,init_per_suite/1,end_per_suite/1,
init_per_group/2,end_per_group/2,
smoke/1]).
-include_lib("common_test/include/ct.hrl").
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[smoke].
groups() ->
[].
init_per_suite(Config) ->
OutDir = proplists:get_value(priv_dir, Config),
case dialyzer_common:check_plt(OutDir) of
fail -> {skip, "Plt creation/check failed."};
ok -> [{dialyzer_options, []}|Config]
end.
end_per_suite(_Config) ->
ok.
init_per_group(_GroupName, Config) ->
Config.
end_per_group(_GroupName, Config) ->
Config.
smoke(Config) ->
Code = <<"-module(typer_test_module).
-compile([export_all,nowarn_export_all]).
a(L) ->
L ++ [1,2,3].">>,
PrivDir = proplists:get_value(priv_dir, Config),
Src = filename:join(PrivDir, "typer_test_module.erl"),
ok = file:write_file(Src, Code),
Args = "--plt " ++ PrivDir ++ "dialyzer_plt",
Res = ["^$",
"^%% File:",
"^%% ----",
"^-spec a",
"^_OK_"],
run(Config, Args, Src, Res),
ok.
typer() ->
case os:find_executable("typer") of
false ->
ct:fail("Can't find typer");
Typer ->
Typer
end.
%% Runs a command.
run(Config, Args0, Name, Expect) ->
Args = Args0 ++ " " ++ Name,
Result = run_command(Config, Args),
verify_result(Result, Expect).
verify_result(Result, Expect) ->
Messages = split(Result, [], []),
io:format("Result: ~p", [Messages]),
io:format("Expected: ~p", [Expect]),
match_messages(Messages, Expect).
split([$\n|Rest], Current, Lines) ->
split(Rest, [], [lists:reverse(Current)|Lines]);
split([$\r|Rest], Current, Lines) ->
split(Rest, Current, Lines);
split([Char|Rest], Current, Lines) ->
split(Rest, [Char|Current], Lines);
split([], [], Lines) ->
lists:reverse(Lines);
split([], Current, Lines) ->
split([], [], [lists:reverse(Current)|Lines]).
match_messages([Msg|Rest1], [Regexp|Rest2]) ->
case re:run(Msg, Regexp, [{capture,none}, unicode]) of
match ->
ok;
nomatch ->
io:format("Not matching: ~s\n", [Msg]),
io:format("Regexp : ~s\n", [Regexp]),
ct:fail(message_mismatch)
end,
match_messages(Rest1, Rest2);
match_messages([], [Expect|Rest]) ->
ct:fail({too_few_messages, [Expect|Rest]});
match_messages([Msg|Rest], []) ->
ct:fail({too_many_messages, [Msg|Rest]});
match_messages([], []) ->
ok.
%% Runs the command using os:cmd/1.
%%
%% Returns the output from the command (as a list of characters with
%% embedded newlines). The very last line will indicate the
%% exit status of the command, where _OK_ means zero, and _ERROR_
%% a non-zero exit status.
run_command(Config, Args) ->
TmpDir = filename:join(proplists:get_value(priv_dir, Config), "tmp"),
file:make_dir(TmpDir),
{RunFile, Run, Script} = run_command(TmpDir, os:type(), Args),
ok = file:write_file(filename:join(TmpDir, RunFile),
unicode:characters_to_binary(Script)),
io:format("~ts\n", [Script]),
os:cmd(Run).
run_command(Dir, {win32, _}, Args) ->
BatchFile = filename:join(Dir, "run.bat"),
Run = re:replace(filename:rootname(BatchFile), "/", "\\",
[global,{return,list}]),
Typer = typer(),
{BatchFile,
Run,
["@echo off\r\n",
"\"",Typer,"\" ",Args, "\r\n",
"if errorlevel 1 echo _ERROR_\r\n",
"if not errorlevel 1 echo _OK_\r\n"]};
run_command(Dir, {unix, _}, Args) ->
TyperDir = filename:dirname(typer()),
Name = filename:join(Dir, "run"),
{Name,
"/bin/sh " ++ Name,
["#!/bin/sh\n",
"PATH=\"",TyperDir,":$PATH\"\n",
"typer ",Args,"\n",
"case $? in\n",
" 0) echo '_OK_';;\n",
" *) echo '_ERROR_';;\n",
"esac\n"]};
run_command(_Dir, Other, _Args) ->
ct:fail("Don't know how to test exit code for ~p", [Other]).
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