avocado/core/test.py: allow a test to skip itself during setUp()

It was previously not possible for a test to skip itself (due to say,
missing requirements) during the setUp() phase. Any exception caught
at this point was reflected as a test failure.
Signed-off-by: NCleber Rosa <crosa@redhat.com>
Signed-off-by: NLucas Meneghel Rodrigues <lmr@redhat.com>

avocado/core/test.py

@@ -360,6 +360,9 @@ class Test(unittest.TestCase):
         stderr_check_exception = None
         try:
             self.setUp()
+        except exceptions.TestNAError, details:
+            stacktrace.log_exc_info(sys.exc_info(), logger='avocado.test')
+            raise exceptions.TestNAError(details)
         except Exception, details:
             stacktrace.log_exc_info(sys.exc_info(), logger='avocado.test')
             raise exceptions.TestSetupFail(details)

examples/tests/skiponsetup.py

+#!/usr/bin/python
+
+from avocado import Test
+from avocado import main
+
+
+class SkipOnSetupTest(Test):
+
+    """
+    Example test that skips the current test, on the setUp phase.
+    """
+
+    def setUp(self):
+        """
+        This should end with SKIP.
+        """
+        self.skip('This should end with SKIP.')
+
+if __name__ == "__main__":
+    main()

selftests/all/functional/avocado/basic_tests.py

@@ -491,6 +491,9 @@ class PluginsXunitTest(PluginsTest):
     def test_xunit_plugin_skiptest(self):
         self.run_and_check('skiptest', 0, 1, 0, 0, 0, 1)
 
+    def test_xunit_plugin_skiponsetuptest(self):
+        self.run_and_check('skiponsetup', 0, 1, 0, 0, 0, 1)
+
     def test_xunit_plugin_errortest(self):
         self.run_and_check('errortest', 1, 1, 1, 0, 0, 0)
 
@@ -549,6 +552,9 @@ class PluginsJSONTest(PluginsTest):
     def test_json_plugin_skiptest(self):
         self.run_and_check('skiptest', 0, 1, 0, 0, 1)
 
+    def test_json_plugin_skiponsetuptest(self):
+        self.run_and_check('skiponsetup', 0, 1, 0, 0, 1)
+
     def test_json_plugin_errortest(self):
         self.run_and_check('errortest', 1, 1, 1, 0, 0)