From 373f6170e70953838d95f09f511d81abc1fec87c Mon Sep 17 00:00:00 2001
From: Lukas Larsson <lukas@erlang.org>
Date: Wed, 6 Sep 2017 11:59:43 +0200
Subject: ts: Don't test apps that are not available

---
 lib/common_test/test_server/ts_lib.erl | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

(limited to 'lib')

diff --git a/lib/common_test/test_server/ts_lib.erl b/lib/common_test/test_server/ts_lib.erl
index a7be740c5c..ea039a2c2b 100644
--- a/lib/common_test/test_server/ts_lib.erl
+++ b/lib/common_test/test_server/ts_lib.erl
@@ -120,7 +120,8 @@ specs(Dir) ->
 				      []
 			      end
 		      end, Specs),
-    sort_tests(MainSpecs).
+
+    sort_tests(filter_tests(MainSpecs)).
 
 test_categories(Dir, App) ->
     Specs = filelib:wildcard(filename:join([filename:dirname(Dir),
@@ -141,10 +142,29 @@ suites(Dir, App) ->
 			"*_SUITE.erl"]),
     Suites=filelib:wildcard(Glob),
     [filename_to_atom(Name) || Name <- Suites].
-    
+
 filename_to_atom(Name) ->
     list_to_atom(filename:rootname(filename:basename(Name))).
 
+%% Filter out tests of applications that are not accessible
+
+filter_tests(Tests) ->
+    lists:filter(
+      fun(Special) when Special == epmd;
+                        Special == emulator;
+                        Special == system ->
+              true;
+         (Test) ->
+              case application:load(filename_to_atom(Test)) of
+                  {error, {already_loaded, _}} ->
+                      true;
+                  {error,_NoSuchApplication} ->
+                      false;
+                  _ ->
+                      true
+              end
+      end, Tests).
+
 %% Sorts a list of either log files directories or spec files.
 
 sort_tests(Tests) ->
-- 
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