Добавлены все базовые файлы для запуска проекта

tests/test_config.py

@@ -0,0 +1,46 @@
+import pytest
+
+import config
+
+
+@pytest.fixture
+def env_file(tmp_path, monkeypatch):
+    for name in tuple(config.os.environ):
+        if name.startswith("N8N_"):
+            monkeypatch.delenv(name)
+    path = tmp_path / ".env"
+    monkeypatch.setattr(config, "ENV_FILE", path)
+    return path
+
+
+def test_file_loads_from_other_working_directory(env_file, tmp_path, monkeypatch):
+    env_file.write_text(
+        'N8N_CHAT_WEBHOOK_URL="https://example.com/chat"\n'
+        'N8N_UPLOAD_WEBHOOK_URL=https://example.com/upload\n'
+        'N8N_CHAT_TIMEOUT_SECONDS=15\nN8N_MAX_FILE_BYTES=2048\n',
+        encoding="utf-8-sig",
+    )
+    elsewhere = tmp_path / "elsewhere"
+    elsewhere.mkdir()
+    monkeypatch.chdir(elsewhere)
+    settings = config.Settings.from_env()
+    assert settings.chat_webhook_url == "https://example.com/chat"
+    assert settings.upload_webhook_url == "https://example.com/upload"
+    assert settings.chat_timeout_seconds == 15
+    assert settings.max_file_bytes == 2048
+
+
+def test_environment_overrides_file(env_file, monkeypatch):
+    env_file.write_text("N8N_CHAT_WEBHOOK_URL=https://example.com/file\n")
+    monkeypatch.setenv("N8N_CHAT_WEBHOOK_URL", "https://example.com/environment")
+    assert config.Settings.from_env().chat_webhook_url.endswith("/environment")
+
+
+def test_missing_file_uses_defaults(env_file):
+    assert config.Settings.from_env() == config.Settings()
+
+
+def test_invalid_file_setting_has_friendly_error(env_file):
+    env_file.write_text("N8N_CHAT_TIMEOUT_SECONDS=abc\n")
+    with pytest.raises(config.ConfigurationError, match="числовые"):
+        config.Settings.from_env()