[gnome-continuous-yocto/gnomeostree-3.28-rocko: 4864/8267] oeqa/core/loader.py: Give meaningful error when failed to load classes

[Emmanuele Bassi <ebassi src gnome org>]

commit 9f8748c59fe418b1f386854d8df71142a789822b
Author: Mariano Lopez <mariano lopez linux intel com>
Date:   Mon Feb 27 07:45:00 2017 +0000

    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.
    
    (From OE-Core rev: d6ff4891376417504018af27e8e729a412feeeea)
    
    Signed-off-by: Mariano Lopez <mariano lopez linux intel com>
    Signed-off-by: Ross Burton <ross burton intel com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 meta/lib/oeqa/core/loader.py |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/meta/lib/oeqa/core/loader.py b/meta/lib/oeqa/core/loader.py
index a380325..b9ba923 100644
--- 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'):