add tests and update README.md

tests/unittest/test_update_settings_from_args.py

@@ -0,0 +1,50 @@
+
+# Generated by CodiumAI
+from pr_agent.algo.utils import update_settings_from_args
+import logging
+from pr_agent.config_loader import settings
+
+
+import pytest
+
+class TestUpdateSettingsFromArgs:
+    # Tests that the function updates the setting when passed a single valid argument.
+    def test_single_valid_argument(self):
+        args = ['--pr_code_suggestions.extra_instructions="be funny"']
+        update_settings_from_args(args)
+        assert settings.pr_code_suggestions.extra_instructions == '"be funny"'
+
+    # Tests that the function updates the settings when passed multiple valid arguments.
+    def test_multiple_valid_arguments(self):
+        args = ['--pr_code_suggestions.extra_instructions="be funny"', '--pr_code_suggestions.num_code_suggestions=3']
+        update_settings_from_args(args)
+        assert settings.pr_code_suggestions.extra_instructions == '"be funny"'
+        assert settings.pr_code_suggestions.num_code_suggestions == 3
+
+    # Tests that the function updates the setting when passed a boolean value.
+    def test_boolean_values(self):
+        settings.pr_code_suggestions.enabled = False
+        args = ['--pr_code_suggestions.enabled=true']
+        update_settings_from_args(args)
+        assert 'pr_code_suggestions' in settings
+        assert 'enabled' in settings.pr_code_suggestions
+        assert settings.pr_code_suggestions.enabled == True
+
+    # Tests that the function updates the setting when passed an integer value.
+    def test_integer_values(self):
+        args = ['--pr_code_suggestions.num_code_suggestions=3']
+        update_settings_from_args(args)
+        assert settings.pr_code_suggestions.num_code_suggestions == 3
+
+    # Tests that the function does not update any settings when passed an empty argument list.
+    def test_empty_argument_list(self):
+        args = []
+        update_settings_from_args(args)
+        assert settings == settings
+
+    # Tests that the function logs an error when passed an invalid argument format.
+    def test_invalid_argument_format(self, caplog):
+        args = ['--pr_code_suggestions.extra_instructions="be funny"', '--pr_code_suggestions.num_code_suggestions']
+        with caplog.at_level(logging.ERROR):
+            update_settings_from_args(args)
+            assert 'Invalid argument format' in caplog.text