From 71c974e341173da9c5da6f6d6781e2ee52aec251 Mon Sep 17 00:00:00 2001
From: OJ Reeves <oj@buffered.io>
Date: Wed, 3 Feb 2010 22:27:09 +1000
Subject: Added support for the speficiation of test suite names eg.  rebar
 eunit              -- runs all tests in all modules      rebar eunit
 suite=foo    -- only runs tests in foo.erl/foo_tests.erl

Added an entry to .hgignore to avoid .swp files (created by VIM).
---
 src/rebar_eunit.erl | 39 +++++++++++++++++++++++++++++++++++----
 1 file changed, 35 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/rebar_eunit.erl b/src/rebar_eunit.erl
index 6ef7a25..b98a4f9 100644
--- a/src/rebar_eunit.erl
+++ b/src/rebar_eunit.erl
@@ -51,9 +51,13 @@ eunit(Config, _File) ->
     %% Make sure ?EUNIT_DIR/ directory exists (tack on dummy module)
     ok = filelib:ensure_dir(?EUNIT_DIR ++ "/foo"),
 
+    %% grab all the test modules for inclusion in the compile stage
+    TestErls = rebar_utils:find_files("test", ".*\\.erl\$"),
+
     %% Compile erlang code to ?EUNIT_DIR, using a tweaked config
-    %% with appropriate defines for eunit
-    rebar_erlc_compiler:doterl_compile(eunit_config(Config), ?EUNIT_DIR),
+    %% with appropriate defines for eunit, and include all the test modules
+    %% as well.
+    rebar_erlc_compiler:doterl_compile(eunit_config(Config), ?EUNIT_DIR, TestErls),
 
     %% Build a list of all the .beams in ?EUNIT_DIR -- use this for cover
     %% and eunit testing. Normally you can just tell cover and/or eunit to
@@ -62,8 +66,35 @@ eunit(Config, _File) ->
     %% we do it by hand. :(
     %%
     %% TODO: Not currently compatible with package modules
-    Modules = [list_to_atom(filename:basename(N, ".beam")) ||
-                  N <- filelib:wildcard("*.beam", ?EUNIT_DIR)],
+    Beams = [filename:basename(N, ".beam") || N <- filelib:wildcard("*.beam", ?EUNIT_DIR)],
+
+    %% Grab two lists of test and non-test beam files
+    {TestBeams, ModuleBeams} = lists:partition(fun(B) ->
+                                    lists:suffix("_tests", B) end, Beams),
+
+    case rebar_config:get_global(suite, undefined) of
+        undefined ->
+            %% no suite defined, so include all modules
+            RealModules = ModuleBeams,
+
+            %% exclude any test modules that have a matching module
+            TestModules = [T || T <- TestBeams,
+                              lists:member(string:left(T, length(T) - 6), RealModules) == false];
+        SuiteName ->
+            %% suite defined, so only specify the module that relates to the
+            %% suite (if any)
+            RealModules = [M || M <- ModuleBeams, SuiteName =:= M],
+
+            %% only include the test suite if the main module doesn't exist
+            TestModules = case length(RealModules) of
+                              0 -> [T || T <- TestBeams, T =:= SuiteName ++ "_tests"];
+                              _ -> []
+                          end
+    end,
+
+    %% combine the modules and associated test modules into the resulting list
+    %% of modules to run tests on.
+    Modules = [list_to_atom(M) || M <- RealModules ++ TestModules],
 
     %% TODO: If there are other wildcards specified in eunit_sources, compile them
 
-- 
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