import { describe, test, expect, mock } from 'bun:test';
import { routineInitAction } from './init';

describe('routineInitAction', () => {
    test('copies builtins and returns count', () => {
        const mkdirFn = mock(() => {});
        const copyFn = mock(() => {});
        const result = routineInitAction({
            routinesDir: '/tmp/routines',
            builtinDir: '/tmp/builtins',
            exists: () => true,
            mkdir: mkdirFn,
            copy: copyFn,
            listDir: () => ['setup.yaml', 'deploy.yaml', 'test.yaml'],
        });
        expect(result.installed).toBe(3);
        expect(mkdirFn).toHaveBeenCalled();
        expect(copyFn).toHaveBeenCalled();
    });

    test('throws when no builtin directory', () => {
        expect(() => routineInitAction({
            routinesDir: '/tmp/routines',
            builtinDir: undefined,
            exists: () => false,
            mkdir: mock(() => {}),
            copy: mock(() => {}),
            listDir: () => [],
        })).toThrow('No built-in routines');
    });
});