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mocha.spec.js
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mocha.spec.js
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'use strict';
var utils = require('../../lib/utils');
var Mocha = require('../../lib/mocha');
var sinon = require('sinon');
describe('Mocha', function() {
var opts = {reporter: utils.noop}; // no output
var sandbox;
beforeEach(function() {
sandbox = sinon.createSandbox();
});
afterEach(function() {
sandbox.restore();
});
describe('constructor', function() {
beforeEach(function() {
sandbox.stub(Mocha.prototype, 'useColors').returnsThis();
sandbox.stub(utils, 'deprecate');
sandbox.stub(Mocha.prototype, 'timeout').returnsThis();
});
describe('when "useColors" option is defined', function() {
it('should prefer "color" over "useColors"', function() {
// eslint-disable-next-line no-new
new Mocha({useColors: true, color: false});
expect(Mocha.prototype.useColors, 'to have a call satisfying', [
false
]).and('was called once');
});
it('should assign "useColors" to "color"', function() {
// eslint-disable-next-line no-new
new Mocha({useColors: true});
expect(Mocha.prototype.useColors, 'to have a call satisfying', [
true
]).and('was called once');
});
it('should call utils.deprecate()', function() {
// eslint-disable-next-line no-new
new Mocha({useColors: true});
expect(utils.deprecate, 'was called once');
});
});
describe('when "timeout" option is `undefined`', function() {
it('should not attempt to set timeout', function() {
// eslint-disable-next-line no-new
new Mocha({timeout: undefined});
expect(Mocha.prototype.timeout, 'was not called');
});
});
describe('when "timeout" option is `false`', function() {
it('should set a timeout of 0', function() {
// eslint-disable-next-line no-new
new Mocha({timeout: false});
expect(Mocha.prototype.timeout, 'to have a call satisfying', [0]).and(
'was called once'
);
});
});
});
describe('#allowUncaught()', function() {
it('should set the allowUncaught option to true', function() {
var mocha = new Mocha(opts);
mocha.allowUncaught();
expect(mocha.options, 'to have property', 'allowUncaught', true);
});
it('should be chainable', function() {
var mocha = new Mocha(opts);
expect(mocha.allowUncaught(), 'to be', mocha);
});
});
describe('#bail()', function() {
it('should set the suite._bail to true if there is no arguments', function() {
var mocha = new Mocha(opts);
mocha.bail();
expect(mocha.suite._bail, 'to be', true);
});
it('should be chainable', function() {
var mocha = new Mocha(opts);
expect(mocha.bail(), 'to be', mocha);
});
});
describe('#checkLeaks()', function() {
it('should set the ignoreLeaks option to false', function() {
var mocha = new Mocha(opts);
mocha.checkLeaks();
expect(mocha.options, 'to have property', 'ignoreLeaks', false);
});
it('should be chainable', function() {
var mocha = new Mocha(opts);
expect(mocha.checkLeaks(), 'to be', mocha);
});
});
describe('#delay()', function() {
it('should set the delay option to true', function() {
var mocha = new Mocha(opts);
mocha.delay();
expect(mocha.options, 'to have property', 'delay', true);
});
it('should be chainable', function() {
var mocha = new Mocha(opts);
expect(mocha.delay(), 'to be', mocha);
});
});
describe('#fullTrace()', function() {
it('should set the fullStackTrace option to true', function() {
var mocha = new Mocha(opts);
mocha.fullTrace();
expect(mocha.options, 'to have property', 'fullStackTrace', true);
});
it('should be chainable', function() {
var mocha = new Mocha(opts);
expect(mocha.fullTrace(), 'to be', mocha);
});
});
describe('#globals()', function() {
it('should be an empty array initially', function() {
var mocha = new Mocha();
expect(mocha.options.globals, 'to be empty');
});
it('should be chainable', function() {
var mocha = new Mocha(opts);
expect(mocha.globals(), 'to be', mocha);
});
describe('when argument is invalid', function() {
it('should not modify the whitelist when given empty string', function() {
var mocha = new Mocha(opts);
mocha.globals('');
expect(mocha.options.globals, 'to be empty');
});
it('should not modify the whitelist when given empty array', function() {
var mocha = new Mocha(opts);
mocha.globals([]);
expect(mocha.options.globals, 'to be empty');
});
});
describe('when argument is valid', function() {
var elem = 'foo';
var elem2 = 'bar';
it('should add string to the whitelist', function() {
var mocha = new Mocha(opts);
mocha.globals(elem);
expect(mocha.options.globals, 'to contain', elem);
expect(mocha.options.globals, 'to have length', 1);
});
it('should add contents of string array to the whitelist', function() {
var mocha = new Mocha(opts);
var elems = [elem, elem2];
mocha.globals(elems);
expect(mocha.options.globals, 'to contain', elem, elem2);
expect(mocha.options.globals, 'to have length', elems.length);
});
it('should not have duplicates', function() {
var mocha = new Mocha({globals: [elem, elem2]});
var elems = [elem, elem2];
mocha.globals(elems);
expect(mocha.options.globals, 'to contain', elem, elem2);
expect(mocha.options.globals, 'to have length', elems.length);
});
});
});
describe('#growl()', function() {
describe('if capable of notifications', function() {
it('should set the growl option to true', function() {
var mocha = new Mocha(opts);
mocha.isGrowlCapable = function forceEnable() {
return true;
};
mocha.growl();
expect(mocha.options, 'to have property', 'growl', true);
});
});
describe('if not capable of notifications', function() {
it('should set the growl option to false', function() {
var mocha = new Mocha(opts);
mocha.isGrowlCapable = function forceDisable() {
return false;
};
mocha.growl();
expect(mocha.options, 'to have property', 'growl', false);
});
});
it('should be chainable', function() {
var mocha = new Mocha(opts);
expect(mocha.growl(), 'to be', mocha);
});
});
describe('#ignoreLeaks()', function() {
it('should set the ignoreLeaks option to true when param equals true', function() {
var mocha = new Mocha(opts);
mocha.ignoreLeaks(true);
expect(mocha.options, 'to have property', 'ignoreLeaks', true);
});
it('should set the ignoreLeaks option to false when param equals false', function() {
var mocha = new Mocha(opts);
mocha.ignoreLeaks(false);
expect(mocha.options, 'to have property', 'ignoreLeaks', false);
});
it('should set the ignoreLeaks option to false when the param is undefined', function() {
var mocha = new Mocha(opts);
mocha.ignoreLeaks();
expect(mocha.options, 'to have property', 'ignoreLeaks', false);
});
it('should be chainable', function() {
var mocha = new Mocha(opts);
expect(mocha.ignoreLeaks(), 'to be', mocha);
});
});
describe('#invert()', function() {
it('should set the invert option to true', function() {
var mocha = new Mocha(opts);
mocha.invert();
expect(mocha.options, 'to have property', 'invert', true);
});
it('should be chainable', function() {
var mocha = new Mocha(opts);
expect(mocha.invert(), 'to be', mocha);
});
});
describe('#noHighlighting()', function() {
// :NOTE: Browser-only option...
it('should set the noHighlighting option to true', function() {
var mocha = new Mocha(opts);
mocha.noHighlighting();
expect(mocha.options, 'to have property', 'noHighlighting', true);
});
it('should be chainable', function() {
var mocha = new Mocha(opts);
expect(mocha.noHighlighting(), 'to be', mocha);
});
});
describe('#reporter()', function() {
it('should throw reporter error if an invalid reporter is given', function() {
var updatedOpts = {reporter: 'invalidReporter', reporterOptions: {}};
var throwError = function() {
// eslint-disable-next-line no-new
new Mocha(updatedOpts);
};
expect(throwError, 'to throw', {
message: "invalid reporter 'invalidReporter'",
code: 'ERR_MOCHA_INVALID_REPORTER',
reporter: 'invalidReporter'
});
});
it('should be chainable', function() {
var mocha = new Mocha(opts);
expect(mocha.reporter(), 'to be', mocha);
});
});
describe('#run(fn)', function() {
it('should execute the callback when complete', function(done) {
var mocha = new Mocha(opts);
sandbox.stub(Mocha.Runner.prototype, 'run').callsArg(0);
mocha.run(done);
});
it('should not raise errors if callback was not provided', function() {
sandbox.stub(Mocha.Runner.prototype, 'run');
var mocha = new Mocha(opts);
expect(function() {
mocha.run();
}, 'not to throw');
});
describe('#reporter("xunit")#run(fn)', function() {
// :TBD: Why does specifying reporter differentiate this test from preceding one
it('should not raise errors if callback was not provided', function() {
var mocha = new Mocha();
expect(function() {
try {
mocha.reporter('xunit').run();
} catch (e) {
console.log(e);
expect.fail(e.message);
}
}, 'not to throw');
});
});
});
describe('#useInlineDiffs()', function() {
it('should set the useInlineDiffs option to true when param equals true', function() {
var mocha = new Mocha(opts);
mocha.useInlineDiffs(true);
expect(mocha.options, 'to have property', 'useInlineDiffs', true);
});
it('should set the useInlineDiffs option to false when param equals false', function() {
var mocha = new Mocha(opts);
mocha.useInlineDiffs(false);
expect(mocha.options, 'to have property', 'useInlineDiffs', false);
});
it('should set the useInlineDiffs option to false when the param is undefined', function() {
var mocha = new Mocha(opts);
mocha.useInlineDiffs();
expect(mocha.options, 'to have property', 'useInlineDiffs', false);
});
it('should be chainable', function() {
var mocha = new Mocha(opts);
expect(mocha.useInlineDiffs(), 'to be', mocha);
});
});
});