Unit tests for utils

Author: robertnovac1

delta_backend/.coveragerc

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+[report]
+omit =
+    tests/*

delta_backend/tests/test_utils.py

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+import unittest
+from utils import is_valid_simple_snomed
+
+class TestIsValidSimpleSnomed(unittest.TestCase):
+
+    def test_valid_snomed(self):
+        valid_snomed = "956951000000104"
+        self.assertTrue(is_valid_simple_snomed(valid_snomed))
+
+    def test_invalid_snomed(self):
+        invalid_snomed = "956951000000105"
+        self.assertFalse(is_valid_simple_snomed(invalid_snomed))