Add Redmine API token authentication

tests/test_config.py

@@ -1,4 +1,3 @@
-import os
 import pytest
 from unittest import mock
 from redmine_reporter.config import Config
@@ -11,24 +10,49 @@ from redmine_reporter.config import Config
 @mock.patch.multiple(
     Config,
     REDMINE_URL="https://red.eltex.loc",
+    REDMINE_API_KEY=None,
     REDMINE_USER="test",
     REDMINE_PASSWORD="secret",
 )
-def test_config_valid():
+def test_config_valid_with_password_fallback():
+    Config.validate()  # не должно быть исключения
+
+
+@mock.patch.multiple(
+    Config,
+    REDMINE_URL="https://red.eltex.loc",
+    REDMINE_API_KEY="token",
+    REDMINE_USER=None,
+    REDMINE_PASSWORD=None,
+)
+def test_config_valid_with_api_key():
     Config.validate()  # не должно быть исключения
 
 
 @mock.patch.multiple(
     Config,
     REDMINE_URL="",
+    REDMINE_API_KEY=None,
     REDMINE_USER=None,
     REDMINE_PASSWORD=None,
 )
-def test_config_missing():
+def test_config_missing_url():
     with pytest.raises(ValueError, match="REDMINE_URL"):
         Config.validate()
 
 
+@mock.patch.multiple(
+    Config,
+    REDMINE_URL="https://red.eltex.loc",
+    REDMINE_API_KEY=None,
+    REDMINE_USER=None,
+    REDMINE_PASSWORD=None,
+)
+def test_config_missing_auth():
+    with pytest.raises(ValueError, match="REDMINE_API_KEY"):
+        Config.validate()
+
+
 @mock.patch.multiple(Config, REDMINE_AUTHOR="Иванов И.И.")
 def test_get_author():
     assert Config.get_author("") == "Иванов И.И."