diff --git a/produce_risk_tracker.py b/produce_risk_tracker.py
index 8cb74fa..e5f728f 100644
--- a/produce_risk_tracker.py
+++ b/produce_risk_tracker.py
@@ -17,6 +17,7 @@ def print_yaml(risk_dict: dict):
 def build_risk(risk_dict: dict):
     template_file = open("yaml-templates/risks_template.yaml")
     template_str = template_file.read()
+    template_file.close()
     risk_template = Template(template_str)
     risk_yaml = risk_template.render(risk_dict)
 
diff --git a/tests/test_produce_risk_tracker.py b/tests/test_produce_risk_tracker.py
new file mode 100644
index 0000000..8a2ed02
--- /dev/null
+++ b/tests/test_produce_risk_tracker.py
@@ -0,0 +1,30 @@
+import unittest
+
+from produce_risk_tracker import build_risk
+
+
+class TestRiskBuilder(unittest.TestCase):
+
+    def test_build_risk(self):
+        risk_dict = {
+            "name": "test_asset@test_test",
+            "status": "mitigated",
+            "justification": "Because security.",
+            "ticket": "XXX-YYY",
+            "date": "2024-05-16",
+            "checked_by": "pritchyspritch",
+        }
+        risk_yaml = build_risk(risk_dict)
+
+        expected_yaml = """  test_asset@test_test: # wildcards "*" between the @ characters are possible
+    status: mitigated # values: unchecked, in-discussion, accepted, in-progress, mitigated, false-positive
+    justification: Because security.
+    ticket: XXX-YYY
+    date: 2024-05-16
+    checked_by: pritchyspritch"""
+
+        self.assertEqual(expected_yaml, risk_yaml)
+
+
+if __name__ == "__main__":
+    unittest.main()