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import { afterAll, beforeEach, describe, expect, test, vi } from 'vitest';
const originalEnv = process.env;
function setEnv(key: string, value?: string) {
if (value === undefined) {
delete process.env[key];
return;
}
process.env[key] = value;
}
describe('constants', () => {
beforeEach(() => {
vi.resetModules();
process.env = { ...originalEnv };
});
afterAll(() => {
process.env = originalEnv;
});
test('uses localhost base url outside production', async () => {
setEnv('NODE_ENV', 'development');
setEnv('VERCEL_PROJECT_PRODUCTION_URL', 'example.com');
const constants = await import('./constants');
expect(constants.isProduction).toBe(false);
expect(constants.baseUrl.href).toBe('http://localhost:3000/');
});
test('uses vercel production url in production', async () => {
setEnv('NODE_ENV', 'production');
setEnv('VERCEL_PROJECT_PRODUCTION_URL', 'blog.example.com');
const constants = await import('./constants');
expect(constants.isProduction).toBe(true);
expect(constants.baseUrl.href).toBe('https://blog.example.com/');
});
test('falls back to localhost when production url is missing', async () => {
setEnv('NODE_ENV', 'production');
setEnv('VERCEL_PROJECT_PRODUCTION_URL');
const constants = await import('./constants');
expect(constants.isProduction).toBe(true);
expect(constants.baseUrl.href).toBe('http://localhost:3000/');
});
});
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