mirror of
https://github.com/chaijs/chai
synced 2024-11-15 16:18:02 +00:00
526 lines
14 KiB
JavaScript
526 lines
14 KiB
JavaScript
/*!
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* Module dependencies.
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*
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* Chai is automatically included in the browser.
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*/
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if (!chai) {
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var chai = require('..');
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}
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var expect = chai.expect;
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function err(fn, msg) {
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try {
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fn();
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throw new chai.AssertionError({ message: 'Expected an error' });
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} catch (err) {
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expect(msg).to.equal(err.message);
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}
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}
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suite('expect', function () {
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test('=.version', function() {
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expect(chai.version).to.match(/^\d+\.\d+\.\d+$/);
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});
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test('=double require', function(){
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//require('chai').expect().to.equal(expect);
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});
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test('assertion', function(){
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expect('test').to.be.a('string');
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expect('foo').to.equal('foo');
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});
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test('true', function(){
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expect(true).to.be.true;
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expect(false).to.not.be.true;
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expect(1).to.not.be.true;
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err(function(){
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expect('test').to.be.true;
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}, "expected 'test' to be true")
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});
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test('ok', function(){
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expect(true).to.be.ok;
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expect(false).to.not.be.ok;
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expect(1).to.be.ok;
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expect(0).to.not.be.ok;
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err(function(){
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expect('').to.be.ok;
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}, "expected '' to be truthy");
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err(function(){
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expect('test').to.not.be.ok;
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}, "expected 'test' to be falsy");
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});
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test('false', function(){
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expect(false).to.be.false;
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expect(true).to.not.be.false;
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expect(0).to.not.be.false;
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err(function(){
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expect('').to.be.false;
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}, "expected '' to be false")
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});
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test('exist', function(){
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var foo = 'bar'
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, bar;
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expect(foo).to.exist;
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expect(bar).to.not.exist;
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});
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test('arguments', function(){
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var args = (function(){ return arguments; })(1,2,3);
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expect(args).to.be.arguments;
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expect([]).to.not.be.arguments;
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});
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test('.equal()', function(){
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var foo;
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expect(undefined).to.equal(foo);
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});
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test('typeof', function(){
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expect('test').to.be.a('string');
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err(function(){
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expect('test').to.not.be.a('string');
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}, "expected 'test' not to be a string");
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expect(5).to.be.a('number');
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expect(new Number(1)).to.be.a('number');
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expect(Number(1)).to.be.a('number');
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expect(true).to.be.a('boolean');
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expect(new Array()).to.be.a('array');
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expect(new Object()).to.be.a('object');
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expect({}).to.be.a('object');
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expect([]).to.be.a('array');
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expect(function() {}).to.be.a('function');
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err(function(){
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expect(5).to.not.be.a('number');
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}, "expected 5 not to be a number");
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});
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test('instanceof', function(){
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function Foo(){}
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expect(new Foo()).to.be.an.instanceof(Foo);
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err(function(){
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expect(3).to.an.instanceof(Foo);
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}, "expected 3 to be an instance of Foo");
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});
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test('within(start, finish)', function(){
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expect(5).to.be.within(5, 10);
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expect(5).to.be.within(3,6);
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expect(5).to.be.within(3,5);
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expect(5).to.not.be.within(1,3);
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err(function(){
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expect(5).to.not.be.within(4,6);
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}, "expected 5 to not be within 4..6");
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err(function(){
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expect(10).to.be.within(50,100);
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}, "expected 10 to be within 50..100");
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});
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test('above(n)', function(){
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expect(5).to.be.above(2);
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expect(5).to.be.greaterThan(2);
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expect(5).to.not.be.above(5);
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expect(5).to.not.be.above(6);
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err(function(){
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expect(5).to.be.above(6);
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}, "expected 5 to be above 6");
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err(function(){
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expect(10).to.not.be.above(6);
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}, "expected 10 to be below 6");
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});
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test('below(n)', function(){
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expect(2).to.be.below(5);
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expect(2).to.be.lessThan(5);
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expect(2).to.not.be.below(2);
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expect(2).to.not.be.below(1);
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err(function(){
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expect(6).to.be.below(5);
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}, "expected 6 to be below 5");
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err(function(){
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expect(6).to.not.be.below(10);
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}, "expected 6 to be above 10");
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});
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test('match(regexp)', function(){
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expect('foobar').to.match(/^foo/)
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expect('foobar').to.not.match(/^bar/)
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err(function(){
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expect('foobar').to.match(/^bar/i)
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}, "expected 'foobar' to match /^bar/i");
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err(function(){
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expect('foobar').to.not.match(/^foo/i)
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}, "expected 'foobar' not to match /^foo/i");
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});
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test('length(n)', function(){
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expect('test').to.have.length(4);
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expect('test').to.not.have.length(3);
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expect([1,2,3]).to.have.length(3);
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err(function(){
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expect(4).to.have.length(3);
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}, 'expected 4 to have a property \'length\'');
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err(function(){
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expect('asd').to.not.have.length(3);
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}, "expected 'asd' to not have a length of 3");
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});
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test('eql(val)', function(){
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expect('test').to.eql('test');
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expect({ foo: 'bar' }).to.eql({ foo: 'bar' });
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expect(1).to.eql(1);
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expect('4').to.not.eql(4);
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err(function(){
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expect(4).to.eql(3);
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}, 'expected 4 to equal 3');
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});
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test('equal(val)', function(){
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expect('test').to.equal('test');
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expect(1).to.equal(1);
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err(function(){
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expect(4).to.equal(3);
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}, 'expected 4 to equal 3');
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err(function(){
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expect('4').to.equal(4);
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}, "expected '4' to equal 4");
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});
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test('empty', function(){
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function FakeArgs() {};
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FakeArgs.prototype.length = 0;
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expect('').to.be.empty;
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expect('foo').not.to.be.empty;
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expect([]).to.be.empty;
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expect(['foo']).not.to.be.empty;
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expect(new FakeArgs).to.be.empty;
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expect({arguments: 0}).not.to.be.empty;
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expect({}).to.be.empty;
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expect({foo: 'bar'}).not.to.be.empty;
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err(function(){
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expect('').not.to.be.empty;
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}, "expected \'\' not to be empty");
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err(function(){
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expect('foo').to.be.empty;
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}, "expected \'foo\' to be empty");
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err(function(){
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expect([]).not.to.be.empty;
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}, "expected [] not to be empty");
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err(function(){
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expect(['foo']).to.be.empty;
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}, "expected [ \'foo\' ] to be empty");
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err(function(){
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expect(new FakeArgs).not.to.be.empty;
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}, "expected {} not to be empty");
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err(function(){
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expect({arguments: 0}).to.be.empty;
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}, "expected { arguments: 0 } to be empty");
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err(function(){
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expect({}).not.to.be.empty;
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}, "expected {} not to be empty");
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err(function(){
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expect({foo: 'bar'}).to.be.empty;
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}, "expected { foo: \'bar\' } to be empty");
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});
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test('property(name)', function(){
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expect('test').to.have.property('length');
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expect(4).to.not.have.property('length');
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err(function(){
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expect('asd').to.have.property('foo');
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}, "expected 'asd' to have a property 'foo'");
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});
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test('property(name, val)', function(){
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expect('test').to.have.property('length', 4);
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expect('asd').to.have.property('constructor', String);
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err(function(){
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expect('asd').to.have.property('length', 4);
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}, "expected 'asd' to have a property 'length' of 4, but got 3");
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err(function(){
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expect('asd').to.not.have.property('length', 3);
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}, "expected 'asd' to not have a property 'length' of 3");
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err(function(){
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expect('asd').to.not.have.property('foo', 3);
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}, "'asd' has no property 'foo'");
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err(function(){
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expect('asd').to.have.property('constructor', Number);
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}, "expected 'asd' to have a property 'constructor' of [Function: Number], but got [Function: String]");
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});
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test('ownProperty(name)', function(){
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expect('test').to.have.ownProperty('length');
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expect('test').to.haveOwnProperty('length');
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expect({ length: 12 }).to.have.ownProperty('length');
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err(function(){
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expect({ length: 12 }).to.not.have.ownProperty('length');
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}, "expected { length: 12 } to not have own property 'length'");
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});
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test('string()', function(){
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expect('foobar').to.have.string('bar');
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expect('foobar').to.have.string('foo');
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expect('foobar').to.not.have.string('baz');
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err(function(){
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expect(3).to.have.string('baz');
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}, "expected 3 to be a string");
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err(function(){
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expect('foobar').to.have.string('baz');
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}, "expected 'foobar' to contain 'baz'");
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err(function(){
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expect('foobar').to.not.have.string('bar');
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}, "expected 'foobar' to not contain 'bar'");
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});
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test('include()', function(){
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expect(['foo', 'bar']).to.include('foo');
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expect(['foo', 'bar']).to.include('foo');
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expect(['foo', 'bar']).to.include('bar');
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expect([1,2]).to.include(1);
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expect(['foo', 'bar']).to.not.include('baz');
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expect(['foo', 'bar']).to.not.include(1);
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err(function(){
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expect(['foo']).to.include('bar');
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}, "expected [ 'foo' ] to include 'bar'");
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err(function(){
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expect(['bar', 'foo']).to.not.include('foo');
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}, "expected [ 'bar', 'foo' ] to not include 'foo'");
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});
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test('keys(array)', function(){
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expect({ foo: 1 }).to.have.keys(['foo']);
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expect({ foo: 1, bar: 2 }).to.have.keys(['foo', 'bar']);
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expect({ foo: 1, bar: 2 }).to.have.keys('foo', 'bar');
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expect({ foo: 1, bar: 2, baz: 3 }).to.contain.keys('foo', 'bar');
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expect({ foo: 1, bar: 2, baz: 3 }).to.contain.keys('bar', 'foo');
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expect({ foo: 1, bar: 2, baz: 3 }).to.contain.keys('baz');
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expect({ foo: 1, bar: 2 }).to.contain.keys('foo');
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expect({ foo: 1, bar: 2 }).to.contain.keys('bar', 'foo');
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expect({ foo: 1, bar: 2 }).to.contain.keys(['foo']);
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expect({ foo: 1, bar: 2 }).to.contain.keys(['bar']);
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expect({ foo: 1, bar: 2 }).to.contain.keys(['bar', 'foo']);
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expect({ foo: 1, bar: 2 }).to.not.have.keys('baz');
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expect({ foo: 1, bar: 2 }).to.not.have.keys('foo', 'baz');
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expect({ foo: 1, bar: 2 }).to.not.contain.keys('baz');
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expect({ foo: 1, bar: 2 }).to.not.contain.keys('foo', 'baz');
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expect({ foo: 1, bar: 2 }).to.not.contain.keys('baz', 'foo');
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err(function(){
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expect({ foo: 1 }).to.have.keys();
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}, "keys required");
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err(function(){
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expect({ foo: 1 }).to.have.keys([]);
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}, "keys required");
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err(function(){
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expect({ foo: 1 }).to.not.have.keys([]);
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}, "keys required");
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err(function(){
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expect({ foo: 1 }).to.contain.keys([]);
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}, "keys required");
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err(function(){
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expect({ foo: 1 }).to.have.keys(['bar']);
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}, "expected { foo: 1 } to have key 'bar'");
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err(function(){
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expect({ foo: 1 }).to.have.keys(['bar', 'baz']);
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}, "expected { foo: 1 } to have keys 'bar', and 'baz'");
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err(function(){
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expect({ foo: 1 }).to.have.keys(['foo', 'bar', 'baz']);
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}, "expected { foo: 1 } to have keys 'foo', 'bar', and 'baz'");
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err(function(){
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expect({ foo: 1 }).to.not.have.keys(['foo']);
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}, "expected { foo: 1 } to not have key 'foo'");
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err(function(){
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expect({ foo: 1 }).to.not.have.keys(['foo']);
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}, "expected { foo: 1 } to not have key 'foo'");
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err(function(){
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expect({ foo: 1, bar: 2 }).to.not.have.keys(['foo', 'bar']);
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}, "expected { foo: 1, bar: 2 } to not have keys 'foo', and 'bar'");
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err(function(){
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expect({ foo: 1 }).to.not.contain.keys(['foo']);
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}, "expected { foo: 1 } to not contain key 'foo'");
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err(function(){
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expect({ foo: 1 }).to.contain.keys('foo', 'bar');
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}, "expected { foo: 1 } to contain keys 'foo', and 'bar'");
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});
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test('chaining', function(){
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var tea = { name: 'chai', extras: ['milk', 'sugar', 'smile'] };
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expect(tea).to.have.property('extras').with.lengthOf(3);
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err(function(){
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expect(tea).to.have.property('extras').with.lengthOf(4);
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}, "expected [ 'milk', 'sugar', 'smile' ] to have a length of 4 but got 3");
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expect(tea).to.be.a('object').and.have.property('name', 'chai');
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});
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test('throw', function () {
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var goodFn = function () { 1==1; }
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, badFn = function () { throw new Error('testing'); }
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, refErrFn = function () { throw new ReferenceError(); };
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expect(goodFn).to.not.throw();
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expect(goodFn).to.not.throw(Error);
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expect(badFn).to.throw();
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expect(badFn).to.throw(Error);
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expect(badFn).to.not.throw(ReferenceError);
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expect(refErrFn).to.throw();
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expect(refErrFn).to.throw(ReferenceError);
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expect(refErrFn).to.not.throw(Error);
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expect(refErrFn).to.not.throw(TypeError);
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expect(badFn).to.throw(/testing/);
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expect(badFn).to.not.throw(/hello/);
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expect(badFn).to.throw('testing');
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expect(badFn).to.not.throw('hello');
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expect(badFn).to.throw(Error, /testing/);
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expect(badFn).to.throw(Error, 'testing');
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err(function(){
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expect(goodFn).to.throw();
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}, "expected [Function] to throw an error");
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err(function(){
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expect(goodFn).to.throw(ReferenceError);
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}, "expected [Function] to throw ReferenceError");
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err(function(){
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expect(badFn).to.not.throw();
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}, "expected [Function] to not throw an error");
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err(function(){
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expect(badFn).to.throw(ReferenceError);
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}, "expected [Function] to throw ReferenceError but a Error was thrown");
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err(function(){
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expect(badFn).to.not.throw(Error);
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}, "expected [Function] to not throw Error");
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err(function(){
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expect(refErrFn).to.not.throw(ReferenceError);
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}, "expected [Function] to not throw ReferenceError");
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err(function(){
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expect(refErrFn).to.throw(Error);
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}, "expected [Function] to throw Error but a ReferenceError was thrown");
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err(function (){
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expect(badFn).to.not.throw(/testing/);
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}, "expected [Function] to throw error not matching /testing/");
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err(function () {
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expect(badFn).to.throw(/hello/);
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}, "expected [Function] to throw error matching /hello/ but got \'testing\'");
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err(function () {
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expect(badFn).to.throw(Error, /hello/);
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}, "expected [Function] to throw error matching /hello/ but got 'testing'");
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err(function () {
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expect(badFn).to.throw(Error, 'hello');
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}, "expected [Function] to throw error including 'hello' but got 'testing'");
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});
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test('respondTo', function(){
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function Foo(){};
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Foo.prototype.bar = function(){};
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var bar = {};
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bar.foo = function(){};
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expect(Foo).to.respondTo('bar');
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expect(Foo).to.not.respondTo('foo');
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expect(bar).to.respondTo('foo');
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err(function(){
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expect(Foo).to.respondTo('baz');
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}, "expected [Function: Foo] to respond to \'baz\'");
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err(function(){
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expect(bar).to.respondTo('baz');
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}, "expected { foo: [Function] } to respond to \'baz\'");
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});
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test('satisfy', function(){
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var matcher = function(num){
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return num === 1;
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};
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expect(1).to.satisfy(matcher);
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err(function(){
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expect(2).to.satisfy(matcher);
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}, "expected 2 to satisfy [Function]");
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});
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test('closeTo', function(){
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expect(1.5).to.be.closeTo(1.0, 0.5);
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err(function(){
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|
expect(2).to.be.closeTo(1.0, 0.5);
|
|
}, "expected 2 to be close to 1 +/- 0.5");
|
|
});
|
|
});
|