Add tests for settings module

Server/tests/db/settingsModule.test.js

@@ -0,0 +1,54 @@
+import sinon from "sinon";
+import {
+	getAppSettings,
+	updateAppSettings,
+} from "../../db/mongo/modules/settingsModule.js";
+import AppSettings from "../../db/models/AppSettings.js";
+
+const mockAppSettings = {
+	appName: "Test App",
+};
+
+describe("SettingsModule", () => {
+	let appSettingsFindOneStub, appSettingsFindOneAndUpdateStub;
+	beforeEach(() => {
+		appSettingsFindOneStub = sinon.stub(AppSettings, "findOne");
+		appSettingsFindOneAndUpdateStub = sinon.stub(AppSettings, "findOneAndUpdate");
+	});
+	afterEach(() => {
+		sinon.restore();
+	});
+
+	describe("getAppSettings", () => {
+		it("should return app settings", async () => {
+			appSettingsFindOneStub.resolves(mockAppSettings);
+			const result = await getAppSettings();
+			expect(result).to.deep.equal(mockAppSettings);
+		});
+		it("should handle an error", async () => {
+			const err = new Error("Test error");
+			appSettingsFindOneStub.throws(err);
+			try {
+				await getAppSettings();
+			} catch (error) {
+				expect(error).to.deep.equal(err);
+			}
+		});
+	});
+	describe("updateAppSettings", () => {
+		it("should update app settings", async () => {
+			appSettingsFindOneAndUpdateStub.resolves(mockAppSettings);
+			const result = await updateAppSettings(mockAppSettings);
+			expect(result).to.deep.equal(mockAppSettings);
+		});
+		it("should handle an error", async () => {
+			const err = new Error("Test error");
+			appSettingsFindOneAndUpdateStub.throws(err);
+			try {
+				await updateAppSettings(mockAppSettings);
+			} catch (error) {
+				expect(error).to.deep.equal(err);
+			}
+		});
+	});
+});