Tests: generalize MetaTest approach

test/basetest/meta.py

@@ -0,0 +1,40 @@
+# -*- coding: utf-8 -*-
+
+from __future__ import print_function, division
+
+
+class MetaTest(type):
+    """Helper metaclass to simplify dynamic test creation
+
+    Creates test_methods in the TestCase class dynamically named after the
+    arguments used.
+    """
+    @staticmethod
+    def make_function(classname, *args, **kwargs):
+        def test(self):
+            # ### Body of the usual test_testcase ### #
+            # Override and redefine this method #
+            pass
+
+        # Title of test in report
+        test.__doc__ = "{0}".format(args[0])
+
+        return test
+
+    def __new__(meta, classname, bases, dct):
+        tests = dct.get("TESTS")
+        kwargs = dct.get("EXTRA", {})
+
+        for i, args in enumerate(tests):
+            func = meta.make_function(classname, *args, **kwargs)
+
+            # Rename the function after a unique identifier
+            # Name of function must start with test_ to be ran by unittest
+            func.__name__ = "test_{0}".format(i)
+
+            # Attach the new test to the testclass
+            dct[func.__name__] = func
+
+        return super(MetaTest, meta).__new__(meta, classname, bases, dct)
+
+# vim: ai sts=4 et sw=4