import { describe, it, expect, vi, beforeEach, afterEach } from "vitest";
import { loadConfig, ConfigManager } from "../../src/services/config.js";
import { DEFAULT_CONFIG } from "../../src/types/config.js";
import * as fs from "fs/promises";
import { existsSync } from "fs";
vi.mock("fs/promises");
vi.mock("fs", () => ({
existsSync: vi.fn(),
}));
describe("Config Loading", () => {
const originalEnv = process.env.REPLICANT_CONFIG;
beforeEach(() => {
vi.clearAllMocks();
delete process.env.REPLICANT_CONFIG;
});
afterEach(() => {
if (originalEnv) {
process.env.REPLICANT_CONFIG = originalEnv;
} else {
delete process.env.REPLICANT_CONFIG;
}
});
describe("loadConfig", () => {
it("returns defaults when REPLICANT_CONFIG is not set", async () => {
const config = await loadConfig();
expect(config).toEqual(DEFAULT_CONFIG);
});
it("returns defaults when config file does not exist", async () => {
process.env.REPLICANT_CONFIG = "/nonexistent/config.yaml";
vi.mocked(existsSync).mockReturnValue(false);
const config = await loadConfig();
expect(config).toEqual(DEFAULT_CONFIG);
});
it("loads and merges config from YAML file", async () => {
process.env.REPLICANT_CONFIG = "/path/to/config.yaml";
vi.mocked(existsSync).mockReturnValue(true);
vi.mocked(fs.readFile).mockResolvedValue(`
ui:
visualModePackages:
- com.problematic.app
autoFallbackScreenshot: false
`);
const config = await loadConfig();
expect(config.ui.visualModePackages).toEqual(["com.problematic.app"]);
expect(config.ui.autoFallbackScreenshot).toBe(false);
expect(config.ui.includeBase64).toBe(false); // default preserved
});
it("handles partial config (merges with defaults)", async () => {
process.env.REPLICANT_CONFIG = "/path/to/config.yaml";
vi.mocked(existsSync).mockReturnValue(true);
vi.mocked(fs.readFile).mockResolvedValue(`
ui:
includeBase64: true
`);
const config = await loadConfig();
expect(config.ui.visualModePackages).toEqual([]); // default
expect(config.ui.autoFallbackScreenshot).toBe(true); // default
expect(config.ui.includeBase64).toBe(true); // overridden
});
it("handles empty config file", async () => {
process.env.REPLICANT_CONFIG = "/path/to/config.yaml";
vi.mocked(existsSync).mockReturnValue(true);
vi.mocked(fs.readFile).mockResolvedValue("");
const config = await loadConfig();
expect(config).toEqual(DEFAULT_CONFIG);
});
it("handles malformed YAML gracefully", async () => {
process.env.REPLICANT_CONFIG = "/path/to/config.yaml";
vi.mocked(existsSync).mockReturnValue(true);
vi.mocked(fs.readFile).mockResolvedValue("invalid: yaml: content: [");
const config = await loadConfig();
expect(config).toEqual(DEFAULT_CONFIG);
});
});
describe("ConfigManager", () => {
it("returns defaults before load is called", () => {
const manager = new ConfigManager();
expect(manager.get()).toEqual(DEFAULT_CONFIG);
});
it("loads config asynchronously", async () => {
process.env.REPLICANT_CONFIG = "/path/to/config.yaml";
vi.mocked(existsSync).mockReturnValue(true);
vi.mocked(fs.readFile).mockResolvedValue(`
ui:
visualModePackages:
- com.test.app
`);
const manager = new ConfigManager();
await manager.load();
expect(manager.getUiConfig().visualModePackages).toEqual(["com.test.app"]);
});
it("isVisualModePackage checks visualModePackages list", async () => {
process.env.REPLICANT_CONFIG = "/path/to/config.yaml";
vi.mocked(existsSync).mockReturnValue(true);
vi.mocked(fs.readFile).mockResolvedValue(`
ui:
visualModePackages:
- com.visual.app
- com.another.visual
`);
const manager = new ConfigManager();
await manager.load();
expect(manager.isVisualModePackage("com.visual.app")).toBe(true);
expect(manager.isVisualModePackage("com.another.visual")).toBe(true);
expect(manager.isVisualModePackage("com.normal.app")).toBe(false);
});
});
});
