Initial Work on Reading Crystal and Creation Gaussian Input

tests/shared/config/test_config.py

@@ -0,0 +1,21 @@
+from crystalpol.shared.config import Config
+
+import unittest
+
+
+class TestConfig(unittest.TestCase):
+    def test_class_instantiation(self):
+        config = Config(
+            mem=1,
+            level="b3lyp/aug-cc-pVDZ",
+            n_atoms=10
+        )
+        self.assertIsInstance(config, Config)
+
+    def test_config_raises_exception(self):
+        with self.assertRaises(ValueError):
+            Config(
+                mem="1",
+                level="b3lyp/aug-cc-pVDZ",
+                n_atoms=10
+            )