mocha/lib/reporters/dot.js

Classic, reliable, trusted test framework for Node.js and the browser

/**
 * @typedef {import('../runner.cjs')} Runner
 */

/**
 * @module Dot
 */
/**
 * Module dependencies.
 */

import { Base } from "./base.js";
import Runner from "../runner.cjs";

var { constants } = Runner;
var EVENT_TEST_PASS = constants.EVENT_TEST_PASS;
var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL;
var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING;
var EVENT_RUN_END = constants.EVENT_RUN_END;

class Dot extends Base {
  static description = "dot matrix representation";

  /**
   * Constructs a new `Dot` reporter instance.
   *
   * @public
   * @memberof Mocha.reporters
   * @extends Mocha.reporters.Base
   * @param {Runner} runner - Instance triggers reporter actions.
   * @param {Object} [options] - runner options
   */
  constructor(runner, options) {
    super(runner, options);

    var self = this;
    var width = (Base.window.width * 0.75) | 0;
    var n = -1;

    runner.on(EVENT_RUN_BEGIN, function () {
      process.stdout.write("\n");
    });

    runner.on(EVENT_TEST_PENDING, function () {
      if (++n % width === 0) {
        process.stdout.write("\n  ");
      }
      process.stdout.write(Base.color("pending", Base.symbols.comma));
    });

    runner.on(EVENT_TEST_PASS, function (test) {
      if (++n % width === 0) {
        process.stdout.write("\n  ");
      }
      if (test.speed === "slow") {
        process.stdout.write(Base.color("bright yellow", Base.symbols.dot));
      } else {
        process.stdout.write(Base.color(test.speed, Base.symbols.dot));
      }
    });

    runner.on(EVENT_TEST_FAIL, function () {
      if (++n % width === 0) {
        process.stdout.write("\n  ");
      }
      process.stdout.write(Base.color("fail", Base.symbols.bang));
    });

    runner.once(EVENT_RUN_END, function () {
      process.stdout.write("\n");
      self.epilogue();
    });
  }
}

export { Dot };