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|
%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
%% ex: ts=4 sw=4 et
%% -------------------------------------------------------------------
%%
%% rebar: Erlang Build Tools
%%
%% Copyright (c) 2011-2012 Tuncer Ayaz
%%
%% Permission is hereby granted, free of charge, to any person obtaining a copy
%% of this software and associated documentation files (the "Software"), to deal
%% in the Software without restriction, including without limitation the rights
%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
%% copies of the Software, and to permit persons to whom the Software is
%% furnished to do so, subject to the following conditions:
%%
%% The above copyright notice and this permission notice shall be included in
%% all copies or substantial portions of the Software.
%%
%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
%% THE SOFTWARE.
%% -------------------------------------------------------------------
-module(rebar_qc).
-export([qc/2, triq/2, eqc/2]).
-include("rebar.hrl").
%% ===================================================================
%% Public API
%% ===================================================================
qc(Config, _AppFile) ->
?CONSOLE("NOTICE: Using experimental 'qc' command~n", []),
run_qc(Config, qc_opts(Config)).
triq(Config, _AppFile) ->
?CONSOLE("NOTICE: Using experimental 'triq' command~n", []),
ok = load_qc_mod(triq),
run_qc(Config, qc_opts(Config), triq).
eqc(Config, _AppFile) ->
?CONSOLE("NOTICE: Using experimental 'eqc' command~n", []),
ok = load_qc_mod(eqc),
run_qc(Config, qc_opts(Config), eqc).
%% ===================================================================
%% Internal functions
%% ===================================================================
-define(TRIQ_MOD, triq).
-define(EQC_MOD, eqc).
qc_opts(Config) ->
rebar_config:get(Config, qc_opts, []).
run_qc(Config, QCOpts) ->
run_qc(Config, QCOpts, select_qc_mod(QCOpts)).
run_qc(Config, RawQCOpts, QC) ->
?DEBUG("Selected QC module: ~p~n", [QC]),
QCOpts = lists:filter(fun({qc_mod, _}) -> false;
(_) -> true
end, RawQCOpts),
run(Config, QC, QCOpts).
select_qc_mod(QCOpts) ->
case proplists:get_value(qc_mod, QCOpts) of
undefined ->
detect_qc_mod();
QC ->
case code:ensure_loaded(QC) of
{module, QC} ->
QC;
{error, nofile} ->
?ABORT("Configured QC library '~p' not available~n", [QC])
end
end.
detect_qc_mod() ->
case code:ensure_loaded(?TRIQ_MOD) of
{module, ?TRIQ_MOD} ->
?TRIQ_MOD;
{error, nofile} ->
case code:ensure_loaded(?EQC_MOD) of
{module, ?EQC_MOD} ->
?EQC_MOD;
{error, nofile} ->
?ABORT("No QC library available~n", [])
end
end.
load_qc_mod(Mod) ->
case code:ensure_loaded(Mod) of
{module, Mod} ->
ok;
{error, nofile} ->
?ABORT("Failed to load QC lib '~p'~n", [Mod])
end.
setup_codepath() ->
CodePath = code:get_path(),
true = code:add_patha(rebar_utils:test_dir()),
true = code:add_patha(rebar_utils:ebin_dir()),
CodePath.
run(Config, QC, QCOpts) ->
?DEBUG("qc_opts: ~p~n", [QCOpts]),
ok = filelib:ensure_dir(?TEST_DIR ++ "/foo"),
CodePath = setup_codepath(),
%% Compile erlang code to ?TEST_DIR, using a tweaked config
%% with appropriate defines, and include all the test modules
%% as well.
{ok, _SrcErls} = rebar_erlc_compiler:test_compile(Config),
case lists:flatten([qc_module(QC, QCOpts, M) || M <- find_prop_mods()]) of
[] ->
true = code:set_path(CodePath),
ok;
Errors ->
?ABORT("One or more QC properties didn't hold true:~n~p~n",
[Errors])
end.
qc_module(QC=triq, _QCOpts, M) -> QC:module(M);
qc_module(QC=eqc, QCOpts, M) -> QC:module(QCOpts, M).
find_prop_mods() ->
Beams = rebar_utils:find_files(?TEST_DIR, ".*\\.beam\$"),
[M || M <- [rebar_utils:erl_to_mod(Beam) || Beam <- Beams], has_prop(M)].
has_prop(Mod) ->
lists:any(fun({F,_A}) -> lists:prefix("prop_", atom_to_list(F)) end,
Mod:module_info(exports)).
|
