A couple of tests.

test/test-antigenic.py

@@ -0,0 +1,29 @@
+#!/usr/bin/env python3
+
+import os
+import unittest
+
+import numpy as np
+import pandas as pd
+
+import pymds
+from pymds.antigenic import Table
+
+
+class TestTable(unittest.TestCase):
+    """Tests for pymds.antigenic.Table."""
+
+    def test_D_has_correct_shape(self):
+        df = pd.DataFrame(
+            2 ** np.random.randint(low=0, high=8, size=(10, 4)) * 10)
+        t = Table(df)
+        self.assertEqual((14, 14), t.D.shape)
+
+    def test_optimize(self):
+        path = os.path.join(
+            pymds.__path__[0], '..', 'test', 'data', 'hi_table.csv')
+        df = pd.read_csv(path, index_col=0)
+        self.assertTrue(False)  # Have to handle <10 values
+
+if __name__ == '__main__':
+    unittest.main()