'Test that processors extensions are taken into account'

def test_extensions(self):

    self.site.external_manager.register_processor(ExtensionDummyProc)
    self.site.build()
    for static in self.site.static():
        if (static.src_filename == self.dummy_static):
            self.assertEqual(static.final_extension, ExtensionDummyProc.output_extension)
            break
    else:
        self.fail('Did    not    find    {0}'.format(self.dummy_static))
