[test/validation_integration] Add test file

Author: mpsonntag

test/test_validation_integration.py

@@ -0,0 +1,28 @@
+"""
+This file tests built-in odml validations.
+"""
+
+import sys
+import unittest
+
+try:
+    from StringIO import StringIO
+except ImportError:
+    from io import StringIO
+
+import odml
+
+
+class TestValidationIntegration(unittest.TestCase):
+
+    def setUp(self):
+        # Redirect stdout to test messages
+        self.capture = StringIO()
+        sys.stdout = self.capture
+
+        self.msg_base = "Property values cardinality violated"
+
+    def tearDown(self):
+        # Reset stdout
+        sys.stdout = sys.__stdout__
+