Improve tests about parameters (#280)

test/test_parameters.py

@@ -2,15 +2,37 @@
 
 # standard
 import unittest
+from pathlib import Path
 
 # Project
+from qgispluginci.exceptions import ConfigurationNotFound
 from qgispluginci.parameters import Parameters
 
 
 class TestParameters(unittest.TestCase):
     def test_changelog_parameters(self):
         """Test parameters for changelog command."""
         # For the changelog command, the configuration file is optional.
-        parameters = Parameters.make_from(args={}, optional_configuration=True)
-        self.assertEqual("CHANGELOG.md", parameters.changelog_path)
+        # It mustn't raise an exception
+        parameters = Parameters.make_from(
+            args={},
+            path_to_config_file=Path("does-not-exist.yml"),
+            optional_configuration=True,
+        )
         self.assertIsNone(parameters.plugin_path)
+        self.assertEqual("CHANGELOG.md", parameters.changelog_path)
+
+    def test_global_parameters(self):
+        """Test global parameters."""
+        # A configuration file must exist.
+        with self.assertRaises(ConfigurationNotFound):
+            Parameters.make_from(
+                args={}, path_to_config_file=Path("does-not-exist.yml")
+            )
+
+        # Existing configuration file
+        parameters = Parameters.make_from(
+            args={}, path_to_config_file=Path("test/fixtures/pyproject.toml")
+        )
+        self.assertEqual("qgis_plugin_CI_testing", parameters.plugin_path)
+        self.assertEqual("CHANGELOG.md", parameters.changelog_path)