tests: moved out of wa package

Tests now reside in the root of the repo, rather than in wa package.
This means they will no longer packaged and installed in user
deployments (they're only useful for developers).

tests/test_config.py

@@ -0,0 +1,25 @@
+import unittest
+from nose.tools import assert_equal
+
+from wa.utils.misc import merge_config_values
+
+
+class TestConfigUtils(unittest.TestCase):
+
+    def test_merge_values(self):
+        test_cases = [
+            # base, other, expected_result
+            ('a', 3, 3),
+            ('a', [1, 2], ['a', 1, 2]),
+            ({1: 2}, [3, 4], [{1: 2}, 3, 4]),
+            (set([2]), [1, 2, 3], [2, 1, 3]),
+            ([1, 2, 3], set([2]), set([1, 2, 3])),
+            ([1, 2], None, [1, 2]),
+            (None, 'a', 'a'),
+        ]
+        for v1, v2, expected in test_cases:
+            result = merge_config_values(v1, v2)
+            assert_equal(result, expected)
+            if v2 is not None:
+                assert_equal(type(result), type(v2))
+