Add tests for the availability of individual backends

These will either pass if the backend is available, or skip if it isn't.
What we definitely *don't* want is a situation where someone runs tests,
sees all passes with no skips, and assumes they must therefore have all
backends available.

Change-Id: I1d2c691d01f38d5e8f7bc9cf4ec4b9c50ace32b9

1 files changed, 16 insertions, 0 deletions

diff --git a/test/test_pyeclib_api.py b/test/test_pyeclib_api.py
index b008894..75f4488 100644
--- a/test/test_pyeclib_api.py
+++ b/test/test_pyeclib_api.py
@@ -708,5 +708,21 @@ class TestPyECLibDriver(unittest.TestCase):
                          (baseline_usage, new_usage))
 
 
+class TestBackendsEnabled(unittest.TestCase):
+    '''Based on TestPyECLibDriver.test_valid_algo above, but these tests
+       should *always* either pass or skip.'''
+    class __metaclass__(type):
+        def __new__(meta, cls_name, cls_bases, cls_dict):
+            for ec_type in ALL_EC_TYPES:
+                def dummy(self, ec_type=ec_type):
+                    if ec_type not in VALID_EC_TYPES:
+                        raise unittest.SkipTest
+                    k, m = 10, 4 if ec_type == 'shss' else 5
+                    ECDriver(k=k, m=m, ec_type=ec_type)
+                dummy.__name__ = 'test_%s_available' % ec_type
+                cls_dict[dummy.__name__] = dummy
+            return type.__new__(meta, cls_name, cls_bases, cls_dict)
+
+
 if __name__ == '__main__':
     unittest.main()