add unit test for codecs self test

git-svn-id: https://xpra.org/svn/Xpra/trunk@9249 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/tests/unit/codecs/codecs_selftest_test.py

@@ -0,0 +1,34 @@
+#!/usr/bin/env python
+# This file is part of Xpra.
+# Copyright (C) 2015 Antoine Martin <[email protected]>
+# Xpra is released under the terms of the GNU GPL v2, or, at your option, any
+# later version. See the file COPYING for details.
+
+import unittest
+
+
+class TestDecoders(unittest.TestCase):
+
+    def test_all_codecs_found(self):
+        from xpra.codecs import loader
+        #the self tests would swallow the exceptions and produce a warning:
+        loader.RUN_SELF_TESTS = False
+        loader.load_codecs()
+        #test them all:
+        for codec_name in loader.ALL_CODECS:
+            codec = loader.get_codec(codec_name)
+            if not codec:
+                continue
+            #print("found %s: %s" % (codec_name, codec))
+            selftest = getattr(codec, "selftest", None)
+            #print("selftest=%s" % selftest)
+            if selftest:
+                selftest()
+
+
+
+def main():
+    unittest.main()
+
+if __name__ == '__main__':
+    main()

src/xpra/codecs/loader.py

@@ -16,6 +16,8 @@
 #do not require the libraries to be installed
 NOWARN = ["nvenc3", "nvenc4", "nvenc5", "opencl"]
 
+RUN_SELF_TESTS = True
+
 codec_errors = {}
 codecs = {}
 def codec_import_check(name, description, top_module, class_module, *classnames):
@@ -36,7 +38,7 @@ def codec_import_check(name, description, top_module, class_module, *classnames)
                 ic =  __import__(class_module, {}, {}, classname)
                 selftest = getattr(ic, "selftest", None)
                 log("%s.selftest=%s", name, selftest)
-                if selftest:
+                if RUN_SELF_TESTS and selftest:
                     selftest()
                 #log.warn("codec_import_check(%s, ..)=%s" % (name, ic))
                 log(" found %s : %s", name, ic)