import { describe, it, expect } from 'vitest';

import { CodeBuilder } from './code-builder.js';

describe('codeBuilder', () => {

describe('indentLine', () => {

const indent = '\t';

const builder = new CodeBuilder({ indent });

const line = 'console.log("hello world")';

it('handles a single argument', () => {

const result = builder.indentLine(line);

expect(result).toStrictEqual(line);

});

it('handels indentation', () => {

const result = builder.indentLine(line, 2);

expect(result).toBe(`${indent.repeat(2)}${line}`);

});

});

describe('addPostProcessor', () => {

it('replaces accordingly with one replacer', () => {

const indent = '\t';

const { join, addPostProcessor, push } = new CodeBuilder({ indent });

push('console.log("hello world")');

addPostProcessor(code => code.replace(/console/, 'REPLACED'));

expect(join()).toBe('REPLACED.log("hello world")');

});

it('replaces accordingly with multiple replacers', () => {

const indent = '\t';

const { join, addPostProcessor, push } = new CodeBuilder({ indent });

push('console.log("hello world")');

addPostProcessor(code => code.replace(/world/, 'nurse!!'));

addPostProcessor(code => code.toUpperCase());

expect(join()).toBe('CONSOLE.LOG("HELLO NURSE!!")');

});

});