Added support for eunit tests as test/*_tests.erl

ebin/rebar.app

@@ -5,11 +5,13 @@
               rebar_app_utils,
               rebar_config,
               rebar_core,
-	      rebar_ct,
+              rebar_ct,
               rebar_erlc_compiler,
+              rebar_eunit,
               rebar_file_utils,
               rebar_log,
               rebar_otp_app,
+              rebar_port_compiler,
               rebar_protobuffs_compiler,
               rebar_port_compiler,
               rebar_rel_utils,
@@ -30,7 +32,8 @@
                                            rebar_erlc_compiler,
                                            rebar_port_compiler,
                                            rebar_otp_app,
-					   rebar_ct ]},
+					   rebar_ct,
+                                           rebar_eunit]},
 
                            {rel_modules, [ rebar_reltool ]}
                            ]}

src/rebar_erlc_compiler.erl

@@ -27,6 +27,9 @@
 -export([compile/2,
          clean/2]).
 
+ %% make available for rebar_eunit until there is a better option
+-export([do_compile/7, compile_opts/2]).
+
 -include("rebar.hrl").
 
 %% ===================================================================

src/rebar_eunit.erl

@@ -0,0 +1,141 @@
+%% -------------------------------------------------------------------
+%%
+%% rebar: Erlang Build Tools
+%%
+%% Copyright (c) 2009 Dave Smith (dizzyd@dizzyd.com)
+%%
+%% 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.
+%% -------------------------------------------------------------------
+%% 
+%% Targets:
+%% eunit - runs eunit tests (with suffix _tests.erl) in ./test
+%%
+%% Global options:
+%% verbose=1 - show extra output from the eunit test
+%% suite="foo"" - runs test/foo_tests.erl
+%% -------------------------------------------------------------------
+-module(rebar_eunit).
+
+-export([eunit/2]).
+
+-compile([export_all]).
+
+-include("rebar.hrl").
+
+%% ===================================================================
+%% Public API
+%% ===================================================================
+
+eunit(Config, File) ->
+    run_test_if_present("test", Config, File).
+
+%% ===================================================================
+%% Internal functions
+%% ===================================================================
+run_test_if_present(TestDir, Config, File) ->
+    case filelib:is_dir(TestDir) of
+        false ->
+	    ?WARN("~s directory not present - skipping\n", [TestDir]),
+            ok;
+        true ->
+	    run_test(TestDir, Config, File)
+    end.
+
+run_test(TestDir, Config, _File) ->
+    case rebar_erlc_compiler:do_compile(Config, "test/*.erl", "test", ".erl", ".beam",
+                                        fun compile_test/2, []) of
+        ok ->
+            Cwd = rebar_utils:get_cwd(),
+            CodePath = code:get_path(),
+            true = code:add_patha(filename:join(Cwd, "test")),
+            
+            case rebar_config:get_global(verbose, "0") of
+                "0" ->
+            Verbose = [];
+                _ ->
+                    Verbose = [verbose]
+            end,
+            
+            Tests = find_tests(TestDir),
+            Opts = Verbose,
+            ?INFO("Running tests: ~p\n", [Tests]),
+
+            change_to_work_dir(Cwd),
+
+            case catch eunit:test(Tests, Opts) of
+                ok ->
+                    ok;
+                _ ->
+                    ?CONSOLE("One or more tests failed\n", []),
+                    ?FAIL
+            end,
+            
+            code:set_path(CodePath),
+            file:set_cwd(Cwd),
+            ok;
+
+        _Other ->
+            ?ERROR("Compiling eunit tests failed\n",[]),
+            ?FAIL
+    end.
+
+
+compile_test(Source, Config) ->
+    Opts = [{i, "include"}, {outdir, "test"}, debug_info, report] ++ 
+        rebar_erlc_compiler:compile_opts(Config, erl_opts),
+    case compile:file(Source, Opts) of
+        {ok, _} ->
+            ok;
+        error ->
+            ?FAIL
+    end.
+
+
+find_tests(TestDir) ->
+    case rebar_config:get_global(suite, undefined) of
+        undefined ->
+            {ok, Files} = file:list_dir(TestDir),
+            Filter = fun(Filename) ->
+                             lists:suffix("_tests.erl", Filename)
+                     end,
+            Erls = lists:filter(Filter, Files),
+            [list_to_atom(filename:basename(F, ".erl")) || F <- Erls];
+        Suite ->
+            %% Add the _tests suffix if missing
+            case lists:suffix("_tests", Suite) of
+                true ->
+                    [list_to_atom(Suite)];
+                false ->
+                    [list_to_atom(Suite ++ "_tests")]
+            end
+    end.
+
+%% Clear the contents of the work dir and change to it
+%%                
+change_to_work_dir(MainDir) ->                  
+    WorkDir = filename:join([MainDir, "logs", "eunit_work"]),
+    rebar_file_utils:rm_rf(WorkDir),
+    ok = filelib:ensure_dir(filename:join(WorkDir, "x")),
+    ok = file:set_cwd(WorkDir).
+
+
+    
+
+                          
+