salty-dog/test/TestApp.ts

import { expect } from 'chai';
import mockFs from 'mock-fs';

import { main, STATUS_ERROR, STATUS_SUCCESS } from '../src/app';
import { describeLeaks, itLeaks } from './helpers/async';

const TEST_ARGS_PRE = ['node', 'test'];
const TEST_ARGS_CONFIG = ['--config-path', 'docs', '--config-name', 'config.yml'];
const TEST_ARGS_RULES = ['--rule-file', 'rules.yml', '--tag', 'test'];
const TEST_ARGS_SOURCE = ['--source', 'test.yml'];

const TEST_FILES = {
  'docs': {
    'config.yml': 'data: {logger: {level: debug, name: test, stream: !stream stderr}}',
  },
  'rules.yml': '{name: test, rules: [{name: test, desc: test, level: info, tags: [test], check: {type: number}}]}',
  'test.yml': 'hello world',
};

describeLeaks('main app', async () => {
  itLeaks('completion should succeed', async () => {
    const status = await main(['node', 'test', 'complete']);
    expect(status).to.equal(STATUS_SUCCESS);
  });

  itLeaks('should list rules and exit', async () => {
    mockFs(TEST_FILES);

    const status = await main([
      ...TEST_ARGS_PRE,
      'list',
      ...TEST_ARGS_CONFIG,
    ]);

    mockFs.restore();

    expect(status).to.equal(STATUS_SUCCESS);
  });

  itLeaks('should load the source', async () => {
    mockFs(TEST_FILES);

    const status = await main([
      ...TEST_ARGS_PRE,
      ...TEST_ARGS_CONFIG,
      ...TEST_ARGS_SOURCE,
    ]);

    mockFs.restore();

    expect(status).to.equal(STATUS_SUCCESS);
  });

  itLeaks('should exit with rule errors', async () => {
    mockFs(TEST_FILES);

    const status = await main([
      ...TEST_ARGS_PRE,
      ...TEST_ARGS_CONFIG,
      ...TEST_ARGS_SOURCE,
      ...TEST_ARGS_RULES,
    ]);

    mockFs.restore();

    expect(status).to.equal(STATUS_ERROR);
  });

  itLeaks('should exit with error count', async () => {
    mockFs(TEST_FILES);

    const status = await main([
      ...TEST_ARGS_PRE,
      ...TEST_ARGS_CONFIG,
      ...TEST_ARGS_SOURCE,
      ...TEST_ARGS_RULES,
      '--count',
    ]);

    mockFs.restore();

    expect(status).to.equal(STATUS_ERROR);
  });
});