Add some basic unittests (#13)

.github/workflows/ci.yml

@@ -29,3 +29,7 @@ jobs:
     - name: Check files are formatted with black
       run: |
         black --check --diff .
+
+    - name: Run unittests
+      run: |
+        python godaddyip/tests.py -v

.gitignore

@@ -1,10 +1,13 @@
 # From https://raw.githubusercontent.com/github/gitignore/master/Python.gitignore
 
+.coverage
+
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]
 *$py.class
 
 # Distribution / packaging
 *.egg-info/
-dist/
+dist/
+build/

README.md

@@ -92,3 +92,10 @@ WantedBy=default.target
 
 I advice running the daemon with a non-root user. A system user can be
 created with `useradd --system godaddyip`.
+
+# Unit tests
+
+To run unit tests locally do the following:
+
+- `python3 -m venv --upgrade-deps /tmp/tg`
+- `/tmp/tg/bin/python godaddyip/tests.py -v`

godaddyip/tests.py

@@ -0,0 +1,28 @@
+#!/usr/bin/env python3
+
+from pathlib import Path
+from tempfile import TemporaryDirectory
+import unittest
+
+from godaddyip.__main__ import Config, previous_value, store_value
+
+
+class TestGodaddyIp(unittest.TestCase):
+    def test_config_load(self) -> None:
+        tests_src_path = Path(__file__).parent
+        unittest_config_path = tests_src_path / "unittest.yml"
+        config = Config(unittest_config_path)
+        self.assertEqual("unittest", config["arecord"])
+
+    def test_store_previous_value(self) -> None:
+        with TemporaryDirectory() as td:
+            td_path = Path(td)
+            store_value(td_path, "unittest", "unittest")
+            self.assertEqual(
+                "unittest",
+                previous_value(td_path, "unittest"),
+            )
+
+
+if __name__ == "__main__":  # pragma: no cover
+    unittest.main()

godaddyip/unittest.yml

@@ -0,0 +1,7 @@
+arecord: unittest
+aaaarecord: unittest
+key:     ABC6969
+secret:  zYU0069
+domain:  unittest.com
+cnames:
+  - testing