prettier-markdown/test/cli.spec.js

Prettier JavaScript code in markdown.

'use strict';

const fs = require('fs');
const spawn = require('child_process').spawn;
const path = require('path');
const assert = require('assert');
const rimraf = require('rimraf');

const pmd = require.resolve('../bin/cli.js');
const read = fs.readFileSync;

const expectedFiles = fs.readdirSync(path.join(__dirname, './expected'));
describe('prettier markdown cli', () => {
  before((done) => {
    rimraf(path.join(__dirname, './actual'), () => {
      const p = spawn(
        'node',
        [pmd].concat([
          './test/fixtures/code.md',
          './test/fixtures/callback.md',
          './test/fixtures/case1.md',
          './test/fixtures/indentation.md',
          '--output=./test/actual',
          '--prefix=2'
        ]),
        {
          stdio: 'inherit'
        }
      );

      p.on('close', (code) => {
        if (code) {
          process.exit(code);
        }
        done();
      });
    });
  });

  function test(fixture) {
    const expectedFile = path.resolve('./test/expected/', fixture);
    const actualFile = path.resolve('./test/actual/', fixture);
    assert.deepEqual(String(read(actualFile)), String(read(expectedFile)));
  }

  expectedFiles.forEach((fixture) => {
    it(fixture, () => {
      test(fixture);
    });
  });

  it('cli version', (done) => {
    const p = spawn('node', [pmd].concat(['--version']), {
      stdio: 'inherit'
    });

    p.on('close', (code) => {
      if (code) {
        process.exit(code);
      }
      done();
    });
  });

  it('cli help', (done) => {
    const p = spawn('node', [pmd].concat(['--help']), {
      stdio: 'inherit'
    });

    p.on('close', (code) => {
      if (code) {
        process.exit(code);
      }
      done();
    });
  });
});