oeqa/core/loader.py: Give meaningful error when failed to load classes

With this we get the class that is actually having the problem,
not just a TypeError with an unknown class causing the error.

Signed-off-by: Mariano Lopez <mariano.lopez@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>

diff --git a/meta/lib/oeqa/core/loader.py b/meta/lib/oeqa/core/loader.py
index a38032590dedde2004bc38042d427af35bfb571e..b9ba9235af88e948dcc50c2dcbc56cb133e4eaa5 100644 (file)
--- a/meta/lib/oeqa/core/loader.py
+++ b/meta/lib/oeqa/core/loader.py
@@ -171,11 +171,11 @@ class OETestLoader(unittest.TestLoader):
         """
         if issubclass(testCaseClass, unittest.suite.TestSuite):
             raise TypeError("Test cases should not be derived from TestSuite." \
-                                " Maybe you meant to derive from TestCase?")
+                                " Maybe you meant to derive %s from TestCase?" \
+                                % testCaseClass.__name__)
         if not issubclass(testCaseClass, self.caseClass):
-            raise TypeError("Test cases need to be derived from %s" % \
-                    self.caseClass.__name__)
-
+            raise TypeError("Test %s is not derived from %s" % \
+                    (testCaseClass.__name__, self.caseClass.__name__))
 
         testCaseNames = self.getTestCaseNames(testCaseClass)
         if not testCaseNames and hasattr(testCaseClass, 'runTest'):