oeqa/core/loader: Allow unittest.TestCase's to be executed

Currently there was a restriction to only execute tests that's
inherits from OETestCase but in some circunstancies the features
from the OEQA framework isn't needed so we need to support
basic unittests.

[YOCTO #10828]

Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>

2 files changed, 21 insertions, 16 deletions

diff --git a/meta/lib/oeqa/core/loader.py b/meta/lib/oeqa/core/loader.py
index 166fc35b4f..d110881698 100644
--- a/meta/lib/oeqa/core/loader.py
+++ b/meta/lib/oeqa/core/loader.py
@@ -185,7 +185,7 @@ class OETestLoader(unittest.TestLoader):
                         return True
 
         # Decorator filters
-        if self.filters:
+        if self.filters and isinstance(case, OETestCase):
             filters = self.filters.copy()
             case_decorators = [cd for cd in case.decorators
                                if cd.__class__ in self.used_filters]
@@ -203,7 +203,8 @@ class OETestLoader(unittest.TestLoader):
         return False
 
     def _getTestCase(self, testCaseClass, tcName):
-        if not hasattr(testCaseClass, '__oeqa_loader'):
+        if not hasattr(testCaseClass, '__oeqa_loader') and \
+                issubclass(testCaseClass, OETestCase):
             # In order to support data_vars validation
             # monkey patch the default setUp/tearDown{Class} to use
             # the ones provided by OETestCase
@@ -230,7 +231,8 @@ class OETestLoader(unittest.TestLoader):
             setattr(testCaseClass, '__oeqa_loader', True)
 
         case = testCaseClass(tcName)
-        setattr(case, 'decorators', [])
+        if isinstance(case, OETestCase):
+            setattr(case, 'decorators', [])
 
         return case
 
@@ -242,9 +244,9 @@ class OETestLoader(unittest.TestLoader):
             raise TypeError("Test cases should not be derived from TestSuite." \
                                 " Maybe you meant to derive %s from TestCase?" \
                                 % testCaseClass.__name__)
-        if not issubclass(testCaseClass, self.caseClass):
+        if not issubclass(testCaseClass, unittest.case.TestCase):
             raise TypeError("Test %s is not derived from %s" % \
-                    (testCaseClass.__name__, self.caseClass.__name__))
+                    (testCaseClass.__name__, unittest.case.TestCase.__name__))
 
         testCaseNames = self.getTestCaseNames(testCaseClass)
         if not testCaseNames and hasattr(testCaseClass, 'runTest'):
diff --git a/meta/lib/oeqa/core/runner.py b/meta/lib/oeqa/core/runner.py
index 7ce718e784..532b25b98a 100644
--- a/meta/lib/oeqa/core/runner.py
+++ b/meta/lib/oeqa/core/runner.py
@@ -121,9 +121,10 @@ class OETestResult(_TestResult):
                     break
 
             oeid = -1
-            for d in case.decorators:
-                if hasattr(d, 'oeid'):
-                    oeid = d.oeid
+            if hasattr(case, 'decorators'):
+                for d in case.decorators:
+                    if hasattr(d, 'oeid'):
+                        oeid = d.oeid
 
             if fail:
                 self.tc.logger.info("RESULTS - %s - Testcase %s: %s" % (case.id(),
@@ -188,9 +189,10 @@ class OETestRunner(_TestRunner):
         def _list_cases_without_id(logger, case):
 
             found_id = False
-            for d in case.decorators:
-                if isinstance(d, OETestID):
-                    found_id = True
+            if hasattr(case, 'decorators'):
+                for d in case.decorators:
+                    if isinstance(d, OETestID):
+                        found_id = True
 
             if not found_id:
                 logger.info('oeid missing for %s' % case.id())
@@ -199,11 +201,12 @@ class OETestRunner(_TestRunner):
             oeid = None
             oetag = None
 
-            for d in case.decorators:
-                if isinstance(d, OETestID):
-                    oeid = d.oeid
-                elif isinstance(d, OETestTag):
-                    oetag = d.oetag
+            if hasattr(case, 'decorators'):
+                for d in case.decorators:
+                    if isinstance(d, OETestID):
+                        oeid = d.oeid
+                    elif isinstance(d, OETestTag):
+                        oetag = d.oetag
 
             logger.info("%s\t%s\t\t%s" % (oeid, oetag, case.id()))