throw.spec.js

'use strict';

/* eslint no-throw-literal: off */

var Suite = require('../../lib/suite');
var Test = require('../../lib/test');
var Runner = require('../../lib/runner');

describe('a test that throws', function () {
  var suite, runner;

  beforeEach(function () {
    suite = new Suite('Suite', 'root');
    runner = new Runner(suite);
  });

  describe('undefined', function () {
    it('should not pass if throwing sync and test is sync', function (done) {
      var test = new Test('im sync and throw undefined sync', function () {
        throw undefined;
      });
      suite.addTest(test);
      runner = new Runner(suite);
      runner.on('end', function () {
        expect(runner.failures).to.equal(1);
        expect(test.state).to.equal('failed');
        done();
      });
      runner.run();
    });

    it('should not pass if throwing sync and test is async', function (done) {
      var test = new Test('im async and throw undefined sync', function (done2) {
        throw undefined;
      });
      suite.addTest(test);
      runner = new Runner(suite);
      runner.on('end', function () {
        expect(runner.failures).to.equal(1);
        expect(test.state).to.equal('failed');
        done();
      });
      runner.run();
    });

    it('should not pass if throwing async and test is async', function (done) {
      var test = new Test('im async and throw undefined async', function (done2) {
        process.nextTick(function () {
          throw undefined;
        });
      });
      suite.addTest(test);
      runner = new Runner(suite);
      var uncaught = Runner.prototype.uncaught;
      Runner.prototype.uncaught = function () {
        Runner.prototype.uncaught = uncaught;
        done();
      };
      runner.on('end', function () {
        expect(runner.failures).to.equal(1);
        expect(test.state).to.equal('failed');
        expect(runner.uncaught).toBeCalled();
      });
      runner.run();
    });
  });

  describe('null', function () {
    it('should not pass if throwing sync and test is sync', function (done) {
      var test = new Test('im sync and throw null sync', function () {
        throw null;
      });
      suite.addTest(test);
      runner = new Runner(suite);
      runner.on('end', function () {
        expect(runner.failures).to.equal(1);
        expect(test.state).to.equal('failed');
        done();
      });
      runner.run();
    });

    it('should not pass if throwing sync and test is async', function (done) {
      var test = new Test('im async and throw null sync', function (done2) {
        throw null;
      });
      suite.addTest(test);
      runner = new Runner(suite);
      runner.on('end', function () {
        expect(runner.failures).to.equal(1);
        expect(test.state).to.equal('failed');
        done();
      });
      runner.run();
    });

    it('should not pass if throwing async and test is async', function (done) {
      var test = new Test('im async and throw null async', function (done2) {
        process.nextTick(function () {
          throw null;
        });
      });
      suite.addTest(test);
      runner = new Runner(suite);
      var uncaught = Runner.prototype.uncaught;
      Runner.prototype.uncaught = function () {
        Runner.prototype.uncaught = uncaught;
        done();
      };
      runner.on('end', function () {
        expect(runner.failures).to.equal(1);
        expect(test.state).to.equal('failed');
        expect(runner.uncaught).toBeCalled();
      });
      runner.run();
    });
  });
});