refactor: Rewrite functions into packages

packages/config-manager/tests/config-manager.test.ts

@@ -0,0 +1,96 @@
+// FILEPATH: /home/jessew/Dev/lysand/packages/config-manager/config-manager.test.ts
+import { stringify } from "@iarna/toml";
+import { ConfigManager } from "..";
+import { describe, beforeEach, spyOn, it, expect } from "bun:test";
+
+describe("ConfigManager", () => {
+	let configManager: ConfigManager;
+
+	beforeEach(() => {
+		configManager = new ConfigManager({
+			configPathOverride: "./config/config.toml",
+			internalConfigPathOverride: "./config/config.internal.toml",
+		});
+	});
+
+	it("should get the correct config path", () => {
+		expect(configManager.getConfigPath()).toEqual("./config/config.toml");
+	});
+
+	it("should get the correct internal config path", () => {
+		expect(configManager.getInternalConfigPath()).toEqual(
+			"./config/config.internal.toml"
+		);
+	});
+
+	it("should read the config file correctly", async () => {
+		const mockConfig = { key: "value" };
+
+		// @ts-expect-error This is a mock
+		spyOn(Bun, "file").mockImplementationOnce(() => ({
+			exists: () =>
+				new Promise(resolve => {
+					resolve(true);
+				}),
+			text: () =>
+				new Promise(resolve => {
+					resolve(stringify(mockConfig));
+				}),
+		}));
+
+		const config = await configManager.getConfig<typeof mockConfig>();
+
+		expect(config).toEqual(mockConfig);
+	});
+
+	it("should read the internal config file correctly", async () => {
+		const mockConfig = { key: "value" };
+
+		// @ts-expect-error This is a mock
+		spyOn(Bun, "file").mockImplementationOnce(() => ({
+			exists: () =>
+				new Promise(resolve => {
+					resolve(true);
+				}),
+			text: () =>
+				new Promise(resolve => {
+					resolve(stringify(mockConfig));
+				}),
+		}));
+
+		const config =
+			// @ts-expect-error Force call private function for testing
+			await configManager.readInternalConfig<typeof mockConfig>();
+
+		expect(config).toEqual(mockConfig);
+	});
+
+	it("should write to the internal config file correctly", async () => {
+		const mockConfig = { key: "value" };
+
+		spyOn(Bun, "write").mockImplementationOnce(
+			() =>
+				new Promise(resolve => {
+					resolve(10);
+				})
+		);
+
+		await configManager.writeConfig(mockConfig);
+	});
+
+	it("should merge configs correctly", () => {
+		const config1 = { key1: "value1", key2: "value2" };
+		const config2 = { key2: "newValue2", key3: "value3" };
+		// @ts-expect-error Force call private function for testing
+		const mergedConfig = configManager.mergeConfigs<Record<string, string>>(
+			config1,
+			config2
+		);
+
+		expect(mergedConfig).toEqual({
+			key1: "value1",
+			key2: "newValue2",
+			key3: "value3",
+		});
+	});
+});