1 files changed, 37 insertions, 0 deletions
diff --git a/test/test_alignment.py b/test/test_alignment.py
new file mode 100644
index 0000000..5f0a903
--- /dev/null
+++ b/test/test_alignment.py
@@ -0,0 +1,37 @@
+import utils
+import os
+import unittest
+
+TOPDIR = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
+utils.set_search_paths(TOPDIR)
+import modelcif.alignment
+
+
+class Tests(unittest.TestCase):
+    def test_identity(self):
+        """Test sequence identity classes"""
+        ident = modelcif.alignment.ShorterSequenceIdentity(42.0)
+        self.assertEqual(ident.denominator, "Length of the shorter sequence")
+        self.assertIsNone(ident.other_details)
+        self.assertAlmostEqual(ident.value, 42.0, delta=1e-4)
+        ident = modelcif.alignment.AlignedPositionsIdentity(42.0)
+        ident = modelcif.alignment.AlignedResiduePairsIdentity(42.0)
+        ident = modelcif.alignment.MeanSequenceIdentity(42.0)
+
+        # generic "other" identity
+        ident = modelcif.alignment.Identity(42.0)
+        self.assertEqual(ident.denominator, "Other")
+        self.assertIsNone(ident.other_details)
+
+        # custom "other" identity
+        class CustomIdentity(modelcif.alignment.Identity):
+            """foo
+               bar"""
+
+        ident = CustomIdentity(42.0)
+        self.assertEqual(ident.denominator, "Other")
+        self.assertEqual(ident.other_details, "foo")
+
+
+if __name__ == '__main__':
+    unittest.main()