mirror of
https://github.com/chaijs/chai
synced 2024-11-15 16:18:02 +00:00
942 lines
30 KiB
JavaScript
942 lines
30 KiB
JavaScript
describe('expect', function () {
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var expect = chai.expect;
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it('chai.version', function() {
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expect(chai).to.have.property('version');
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});
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it('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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it('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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it('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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it('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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it('null', function(){
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expect(null).to.be.null;
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expect(false).to.not.be.null;
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err(function(){
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expect('').to.be.null;
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}, "expected '' to be null")
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});
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it('undefined', function(){
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expect(undefined).to.be.undefined;
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expect(null).to.not.be.undefined;
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err(function(){
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expect('').to.be.undefined;
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}, "expected '' to be undefined")
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});
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it('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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it('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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expect(args).to.be.an('arguments').and.be.arguments;
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expect([]).to.be.an('array').and.not.be.Arguments;
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});
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it('.equal()', function(){
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var foo;
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expect(undefined).to.equal(foo);
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err(function(){
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expect(undefined).to.equal(null);
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}, "expected undefined to equal null")
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});
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it('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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(function () {
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expect(arguments).to.be.an('arguments');
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})(1, 2);
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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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expect(null).to.be.a('null');
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err(function(){
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expect(5).to.not.be.a('number', 'blah');
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}, "blah: expected 5 not to be a number");
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});
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it('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, 'blah');
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}, "blah: expected 3 to be an instance of Foo");
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});
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it('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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expect('foo').to.have.length.within(2,4);
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expect([ 1, 2, 3 ]).to.have.length.within(2,4);
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err(function(){
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expect(5).to.not.be.within(4,6, 'blah');
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}, "blah: expected 5 to not be within 4..6", 'blah');
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err(function(){
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expect(10).to.be.within(50,100, 'blah');
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}, "blah: expected 10 to be within 50..100");
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err(function () {
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expect('foo').to.have.length.within(5,7, 'blah');
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}, "blah: expected \'foo\' to have a length within 5..7");
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err(function () {
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expect([ 1, 2, 3 ]).to.have.length.within(5,7, 'blah');
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}, "blah: expected [ 1, 2, 3 ] to have a length within 5..7");
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});
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it('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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expect('foo').to.have.length.above(2);
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expect([ 1, 2, 3 ]).to.have.length.above(2);
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err(function(){
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expect(5).to.be.above(6, 'blah');
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}, "blah: expected 5 to be above 6", 'blah');
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err(function(){
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expect(10).to.not.be.above(6, 'blah');
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}, "blah: expected 10 to be at most 6");
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err(function () {
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expect('foo').to.have.length.above(4, 'blah');
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}, "blah: expected \'foo\' to have a length above 4 but got 3");
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err(function () {
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expect([ 1, 2, 3 ]).to.have.length.above(4, 'blah');
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}, "blah: expected [ 1, 2, 3 ] to have a length above 4 but got 3");
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});
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it('least(n)', function(){
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expect(5).to.be.at.least(2);
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expect(5).to.be.at.least(5);
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expect(5).to.not.be.at.least(6);
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expect('foo').to.have.length.of.at.least(2);
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expect([ 1, 2, 3 ]).to.have.length.of.at.least(2);
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err(function(){
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expect(5).to.be.at.least(6, 'blah');
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}, "blah: expected 5 to be at least 6", 'blah');
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err(function(){
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expect(10).to.not.be.at.least(6, 'blah');
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}, "blah: expected 10 to be below 6");
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err(function () {
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expect('foo').to.have.length.of.at.least(4, 'blah');
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}, "blah: expected \'foo\' to have a length at least 4 but got 3");
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err(function () {
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expect([ 1, 2, 3 ]).to.have.length.of.at.least(4, 'blah');
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}, "blah: expected [ 1, 2, 3 ] to have a length at least 4 but got 3");
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err(function () {
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expect([ 1, 2, 3, 4 ]).to.not.have.length.of.at.least(4, 'blah');
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}, "blah: expected [ 1, 2, 3, 4 ] to have a length below 4");
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});
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it('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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expect('foo').to.have.length.below(4);
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expect([ 1, 2, 3 ]).to.have.length.below(4);
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err(function(){
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expect(6).to.be.below(5, 'blah');
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}, "blah: expected 6 to be below 5");
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err(function(){
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expect(6).to.not.be.below(10, 'blah');
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}, "blah: expected 6 to be at least 10");
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err(function () {
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expect('foo').to.have.length.below(2, 'blah');
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}, "blah: expected \'foo\' to have a length below 2 but got 3");
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err(function () {
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expect([ 1, 2, 3 ]).to.have.length.below(2, 'blah');
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}, "blah: expected [ 1, 2, 3 ] to have a length below 2 but got 3");
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});
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it('most(n)', function(){
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expect(2).to.be.at.most(5);
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expect(2).to.be.at.most(2);
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expect(2).to.not.be.at.most(1);
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expect(2).to.not.be.at.most(1);
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expect('foo').to.have.length.of.at.most(4);
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expect([ 1, 2, 3 ]).to.have.length.of.at.most(4);
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err(function(){
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expect(6).to.be.at.most(5, 'blah');
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}, "blah: expected 6 to be at most 5");
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err(function(){
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expect(6).to.not.be.at.most(10, 'blah');
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}, "blah: expected 6 to be above 10");
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err(function () {
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expect('foo').to.have.length.of.at.most(2, 'blah');
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}, "blah: expected \'foo\' to have a length at most 2 but got 3");
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err(function () {
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expect([ 1, 2, 3 ]).to.have.length.of.at.most(2, 'blah');
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}, "blah: expected [ 1, 2, 3 ] to have a length at most 2 but got 3");
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err(function () {
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expect([ 1, 2 ]).to.not.have.length.of.at.most(2, 'blah');
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}, "blah: expected [ 1, 2 ] to have a length above 2");
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});
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it('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, 'blah')
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}, "blah: expected 'foobar' to match /^bar/i");
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err(function(){
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expect('foobar').to.not.match(/^foo/i, 'blah')
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}, "blah: expected 'foobar' not to match /^foo/i");
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});
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it('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, 'blah');
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}, 'blah: expected 4 to have a property \'length\'');
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err(function(){
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expect('asd').to.not.have.length(3, 'blah');
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}, "blah: expected 'asd' to not have a length of 3");
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});
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it('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, 'blah');
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}, 'blah: expected 4 to deeply equal 3');
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});
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if ('undefined' !== typeof Buffer) {
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it('Buffer eql()', function () {
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expect(new Buffer([ 1 ])).to.eql(new Buffer([ 1 ]));
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err(function () {
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expect(new Buffer([ 0 ])).to.eql(new Buffer([ 1 ]));
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}, 'expected <Buffer 00> to deeply equal <Buffer 01>');
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});
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}
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it('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, 'blah');
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}, 'blah: expected 4 to equal 3');
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err(function(){
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expect('4').to.equal(4, 'blah');
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}, "blah: expected '4' to equal 4");
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});
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it('deep.equal(val)', function(){
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expect({ foo: 'bar' }).to.deep.equal({ foo: 'bar' });
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expect({ foo: 'bar' }).not.to.deep.equal({ foo: 'baz' });
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});
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it('deep.equal(/regexp/)', function(){
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expect(/a/).to.deep.equal(/a/);
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expect(/a/).not.to.deep.equal(/b/);
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expect(/a/).not.to.deep.equal({});
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expect(/a/g).to.deep.equal(/a/g);
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expect(/a/g).not.to.deep.equal(/b/g);
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expect(/a/i).to.deep.equal(/a/i);
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expect(/a/i).not.to.deep.equal(/b/i);
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expect(/a/m).to.deep.equal(/a/m);
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expect(/a/m).not.to.deep.equal(/b/m);
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});
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it('deep.equal(Date)', function(){
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var a = new Date(1, 2, 3)
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, b = new Date(4, 5, 6);
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expect(a).to.deep.equal(a);
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expect(a).not.to.deep.equal(b);
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expect(a).not.to.deep.equal({});
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});
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it('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 { length: 0 } 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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it('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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expect({ 'foo.bar': 'baz' })
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.to.have.property('foo.bar');
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expect({ foo: { bar: 'baz' } })
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.to.not.have.property('foo.bar');
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// Properties with the value 'undefined' are still properties
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var obj = { foo: undefined };
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Object.defineProperty(obj, 'bar', {
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get: function() { }
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});
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expect(obj).to.have.property('foo');
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expect(obj).to.have.property('bar');
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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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err(function(){
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expect({ foo: { bar: 'baz' } })
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.to.have.property('foo.bar');
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}, "expected { foo: { bar: 'baz' } } to have a property 'foo.bar'");
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});
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it('deep.property(name)', function(){
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expect({ 'foo.bar': 'baz'})
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.to.not.have.deep.property('foo.bar');
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expect({ foo: { bar: 'baz' } })
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.to.have.deep.property('foo.bar');
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expect({ 'foo': [1, 2, 3] })
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.to.have.deep.property('foo[1]');
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err(function(){
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expect({ 'foo.bar': 'baz' })
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.to.have.deep.property('foo.bar');
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}, "expected { 'foo.bar': 'baz' } to have a deep property 'foo.bar'");
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});
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it('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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var deepObj = {
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green: { tea: 'matcha' }
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, teas: [ 'chai', 'matcha', { tea: 'konacha' } ]
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};
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expect(deepObj).to.have.deep.property('green.tea', 'matcha');
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expect(deepObj).to.have.deep.property('teas[1]', 'matcha');
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expect(deepObj).to.have.deep.property('teas[2].tea', 'konacha');
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err(function(){
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expect(deepObj).to.have.deep.property('teas[3]');
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}, "expected { Object (green, teas) } to have a deep property 'teas[3]'");
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err(function(){
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expect(deepObj).to.have.deep.property('teas[3]', 'bar');
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}, "expected { Object (green, teas) } to have a deep property 'teas[3]'");
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err(function(){
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expect(deepObj).to.have.deep.property('teas[3].tea', 'bar');
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}, "expected { Object (green, teas) } to have a deep property 'teas[3].tea'");
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var arr = [
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[ 'chai', 'matcha', 'konacha' ]
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, [ { tea: 'chai' }
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, { tea: 'matcha' }
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, { tea: 'konacha' } ]
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];
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expect(arr).to.have.deep.property('[0][1]', 'matcha');
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expect(arr).to.have.deep.property('[1][2].tea', 'konacha');
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err(function(){
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expect(arr).to.have.deep.property('[2][1]');
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}, "expected [ Array(2) ] to have a deep property '[2][1]'");
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err(function(){
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expect(arr).to.have.deep.property('[2][1]', 'none');
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}, "expected [ Array(2) ] to have a deep property '[2][1]'");
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err(function(){
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expect(arr).to.have.deep.property('[0][3]', 'none');
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}, "expected [ Array(2) ] to have a deep property '[0][3]'");
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err(function(){
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expect('asd').to.have.property('length', 4, 'blah');
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}, "blah: 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, 'blah');
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}, "blah: 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, 'blah');
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|
}, "blah: 'asd' has no property 'foo'");
|
|
|
|
err(function(){
|
|
expect('asd').to.have.property('constructor', Number, 'blah');
|
|
}, "blah: expected 'asd' to have a property 'constructor' of [Function: Number], but got [Function: String]");
|
|
});
|
|
|
|
it('deep.property(name, val)', function(){
|
|
expect({ foo: { bar: 'baz' } })
|
|
.to.have.deep.property('foo.bar', 'baz');
|
|
|
|
err(function(){
|
|
expect({ foo: { bar: 'baz' } })
|
|
.to.have.deep.property('foo.bar', 'quux', 'blah');
|
|
}, "blah: expected { foo: { bar: 'baz' } } to have a deep property 'foo.bar' of 'quux', but got 'baz'");
|
|
err(function(){
|
|
expect({ foo: { bar: 'baz' } })
|
|
.to.not.have.deep.property('foo.bar', 'baz', 'blah');
|
|
}, "blah: expected { foo: { bar: 'baz' } } to not have a deep property 'foo.bar' of 'baz'");
|
|
err(function(){
|
|
expect({ foo: 5 })
|
|
.to.not.have.deep.property('foo.bar', 'baz', 'blah');
|
|
}, "blah: { foo: 5 } has no deep property 'foo.bar'");
|
|
});
|
|
|
|
it('ownProperty(name)', function(){
|
|
expect('test').to.have.ownProperty('length');
|
|
expect('test').to.haveOwnProperty('length');
|
|
expect({ length: 12 }).to.have.ownProperty('length');
|
|
|
|
err(function(){
|
|
expect({ length: 12 }).to.not.have.ownProperty('length', 'blah');
|
|
}, "blah: expected { length: 12 } to not have own property 'length'");
|
|
});
|
|
|
|
it('string()', function(){
|
|
expect('foobar').to.have.string('bar');
|
|
expect('foobar').to.have.string('foo');
|
|
expect('foobar').to.not.have.string('baz');
|
|
|
|
err(function(){
|
|
expect(3).to.have.string('baz');
|
|
}, "expected 3 to be a string");
|
|
|
|
err(function(){
|
|
expect('foobar').to.have.string('baz', 'blah');
|
|
}, "blah: expected 'foobar' to contain 'baz'");
|
|
|
|
err(function(){
|
|
expect('foobar').to.not.have.string('bar', 'blah');
|
|
}, "blah: expected 'foobar' to not contain 'bar'");
|
|
});
|
|
|
|
it('include()', function(){
|
|
expect(['foo', 'bar']).to.include('foo');
|
|
expect(['foo', 'bar']).to.include('foo');
|
|
expect(['foo', 'bar']).to.include('bar');
|
|
expect([1,2]).to.include(1);
|
|
expect(['foo', 'bar']).to.not.include('baz');
|
|
expect(['foo', 'bar']).to.not.include(1);
|
|
expect({a:1,b:2}).to.include({b:2});
|
|
expect({a:1,b:2}).to.not.include({b:3});
|
|
expect({a:1,b:2}).to.include({a:1,b:2});
|
|
expect({a:1,b:2}).to.not.include({a:1,c:2});
|
|
|
|
expect([{a:1},{b:2}]).to.include({a:1});
|
|
expect([{a:1}]).to.include({a:1});
|
|
expect([{a:1}]).to.not.include({b:1});
|
|
|
|
err(function(){
|
|
expect(['foo']).to.include('bar', 'blah');
|
|
}, "blah: expected [ 'foo' ] to include 'bar'");
|
|
|
|
err(function(){
|
|
expect(['bar', 'foo']).to.not.include('foo', 'blah');
|
|
}, "blah: expected [ 'bar', 'foo' ] to not include 'foo'");
|
|
|
|
err(function(){
|
|
expect({a:1}).to.include({b:2});
|
|
}, "expected { a: 1 } to have a property 'b'");
|
|
|
|
err(function(){
|
|
expect({a:1,b:2}).to.not.include({b:2});
|
|
}, "expected { a: 1, b: 2 } to not include { b: 2 }");
|
|
|
|
err(function(){
|
|
expect([{a:1},{b:2}]).to.not.include({b:2});
|
|
}, "expected [ { a: 1 }, { b: 2 } ] to not include { b: 2 }");
|
|
});
|
|
|
|
it('keys(array)', function(){
|
|
expect({ foo: 1 }).to.have.keys(['foo']);
|
|
expect({ foo: 1, bar: 2 }).to.have.keys(['foo', 'bar']);
|
|
expect({ foo: 1, bar: 2 }).to.have.keys('foo', 'bar');
|
|
expect({ foo: 1, bar: 2, baz: 3 }).to.contain.keys('foo', 'bar');
|
|
expect({ foo: 1, bar: 2, baz: 3 }).to.contain.keys('bar', 'foo');
|
|
expect({ foo: 1, bar: 2, baz: 3 }).to.contain.keys('baz');
|
|
|
|
expect({ foo: 1, bar: 2 }).to.contain.keys('foo');
|
|
expect({ foo: 1, bar: 2 }).to.contain.keys('bar', 'foo');
|
|
expect({ foo: 1, bar: 2 }).to.contain.keys(['foo']);
|
|
expect({ foo: 1, bar: 2 }).to.contain.keys(['bar']);
|
|
expect({ foo: 1, bar: 2 }).to.contain.keys(['bar', 'foo']);
|
|
expect({ foo: 1, bar: 2, baz: 3 }).to.contain.all.keys(['bar', 'foo']);
|
|
|
|
expect({ foo: 1, bar: 2 }).to.not.have.keys('baz');
|
|
expect({ foo: 1, bar: 2 }).to.not.have.keys('foo', 'baz');
|
|
expect({ foo: 1, bar: 2 }).to.not.contain.keys('baz');
|
|
expect({ foo: 1, bar: 2 }).to.not.contain.keys('foo', 'baz');
|
|
expect({ foo: 1, bar: 2 }).to.not.contain.keys('baz', 'foo');
|
|
|
|
expect({ foo: 1, bar: 2 }).to.have.any.keys('foo', 'baz');
|
|
expect({ foo: 1, bar: 2 }).to.have.any.keys('foo');
|
|
expect({ foo: 1, bar: 2 }).to.contain.any.keys('bar', 'baz');
|
|
expect({ foo: 1, bar: 2 }).to.contain.any.keys(['foo']);
|
|
expect({ foo: 1, bar: 2 }).to.have.all.keys(['bar', 'foo']);
|
|
expect({ foo: 1, bar: 2 }).to.contain.all.keys(['bar', 'foo']);
|
|
|
|
expect({ foo: 1, bar: 2 }).to.not.have.any.keys('baz', 'abc', 'def');
|
|
expect({ foo: 1, bar: 2 }).to.not.have.any.keys('baz');
|
|
expect({ foo: 1, bar: 2 }).to.not.contain.any.keys('baz');
|
|
expect({ foo: 1, bar: 2 }).to.not.have.all.keys(['baz', 'foo']);
|
|
expect({ foo: 1, bar: 2 }).to.not.contain.all.keys(['baz', 'foo']);
|
|
|
|
err(function(){
|
|
expect({ foo: 1 }).to.have.keys();
|
|
}, "keys required");
|
|
|
|
err(function(){
|
|
expect({ foo: 1 }).to.have.keys([]);
|
|
}, "keys required");
|
|
|
|
err(function(){
|
|
expect({ foo: 1 }).to.not.have.keys([]);
|
|
}, "keys required");
|
|
|
|
err(function(){
|
|
expect({ foo: 1 }).to.contain.keys([]);
|
|
}, "keys required");
|
|
|
|
err(function(){
|
|
expect({ foo: 1 }).to.have.keys(['bar']);
|
|
}, "expected { foo: 1 } to have key 'bar'");
|
|
|
|
err(function(){
|
|
expect({ foo: 1 }).to.have.keys(['bar', 'baz']);
|
|
}, "expected { foo: 1 } to have keys 'bar', and 'baz'");
|
|
|
|
err(function(){
|
|
expect({ foo: 1 }).to.have.keys(['foo', 'bar', 'baz']);
|
|
}, "expected { foo: 1 } to have keys 'foo', 'bar', and 'baz'");
|
|
|
|
err(function(){
|
|
expect({ foo: 1 }).to.not.have.keys(['foo']);
|
|
}, "expected { foo: 1 } to not have key 'foo'");
|
|
|
|
err(function(){
|
|
expect({ foo: 1 }).to.not.have.keys(['foo']);
|
|
}, "expected { foo: 1 } to not have key 'foo'");
|
|
|
|
err(function(){
|
|
expect({ foo: 1, bar: 2 }).to.not.have.keys(['foo', 'bar']);
|
|
}, "expected { foo: 1, bar: 2 } to not have keys 'foo', and 'bar'");
|
|
|
|
err(function(){
|
|
expect({ foo: 1, bar: 2 }).to.have.all.keys('foo');
|
|
}, "expected { foo: 1, bar: 2 } to have key 'foo'");
|
|
|
|
err(function(){
|
|
expect({ foo: 1 }).to.not.contain.keys(['foo']);
|
|
}, "expected { foo: 1 } to not contain key 'foo'");
|
|
|
|
err(function(){
|
|
expect({ foo: 1 }).to.contain.keys('foo', 'bar');
|
|
}, "expected { foo: 1 } to contain keys 'foo', and 'bar'");
|
|
|
|
err(function() {
|
|
expect({ foo: 1 }).to.have.any.keys('baz');
|
|
}, "expected { foo: 1 } to have key 'baz'");
|
|
|
|
err(function(){
|
|
expect({ foo: 1, bar: 2 }).to.not.have.all.keys(['foo', 'bar']);
|
|
}, "expected { foo: 1, bar: 2 } to not have keys 'foo', and 'bar'");
|
|
|
|
err(function(){
|
|
expect({ foo: 1, bar: 2 }).to.not.have.any.keys(['foo', 'baz']);
|
|
}, "expected { foo: 1, bar: 2 } to not have keys 'foo', or 'baz'");
|
|
|
|
});
|
|
|
|
it('keys(array) will not mutate array (#359)', function () {
|
|
var expected = [ 'b', 'a' ];
|
|
var original_order = [ 'b', 'a' ];
|
|
var obj = { "b": 1, "a": 1 };
|
|
expect(expected).deep.equal(original_order);
|
|
expect(obj).keys(original_order);
|
|
expect(expected).deep.equal(original_order);
|
|
});
|
|
|
|
it('chaining', function(){
|
|
var tea = { name: 'chai', extras: ['milk', 'sugar', 'smile'] };
|
|
expect(tea).to.have.property('extras').with.lengthOf(3);
|
|
|
|
expect(tea).to.have.property('extras').which.contains('smile');
|
|
|
|
err(function(){
|
|
expect(tea).to.have.property('extras').with.lengthOf(4);
|
|
}, "expected [ 'milk', 'sugar', 'smile' ] to have a length of 4 but got 3");
|
|
|
|
expect(tea).to.be.a('object').and.have.property('name', 'chai');
|
|
|
|
var badFn = function () { throw new Error('testing'); };
|
|
|
|
expect(badFn).to.throw(Error).with.property('message', 'testing');
|
|
});
|
|
|
|
it('throw', function () {
|
|
// See GH-45: some poorly-constructed custom errors don't have useful names
|
|
// on either their constructor or their constructor prototype, but instead
|
|
// only set the name inside the constructor itself.
|
|
var PoorlyConstructedError = function () {
|
|
this.name = 'PoorlyConstructedError';
|
|
};
|
|
PoorlyConstructedError.prototype = Object.create(Error.prototype);
|
|
|
|
function CustomError(message) {
|
|
this.name = 'CustomError';
|
|
this.message = message;
|
|
}
|
|
CustomError.prototype = Error.prototype;
|
|
|
|
var specificError = new RangeError('boo');
|
|
|
|
var goodFn = function () { 1==1; }
|
|
, badFn = function () { throw new Error('testing'); }
|
|
, refErrFn = function () { throw new ReferenceError('hello'); }
|
|
, ickyErrFn = function () { throw new PoorlyConstructedError(); }
|
|
, specificErrFn = function () { throw specificError; }
|
|
, customErrFn = function() { throw new CustomError('foo'); };
|
|
|
|
expect(goodFn).to.not.throw();
|
|
expect(goodFn).to.not.throw(Error);
|
|
expect(goodFn).to.not.throw(specificError);
|
|
expect(badFn).to.throw();
|
|
expect(badFn).to.throw(Error);
|
|
expect(badFn).to.not.throw(ReferenceError);
|
|
expect(badFn).to.not.throw(specificError);
|
|
expect(refErrFn).to.throw();
|
|
expect(refErrFn).to.throw(ReferenceError);
|
|
expect(refErrFn).to.throw(Error);
|
|
expect(refErrFn).to.not.throw(TypeError);
|
|
expect(refErrFn).to.not.throw(specificError);
|
|
expect(ickyErrFn).to.throw();
|
|
expect(ickyErrFn).to.throw(PoorlyConstructedError);
|
|
expect(ickyErrFn).to.throw(Error);
|
|
expect(ickyErrFn).to.not.throw(specificError);
|
|
expect(specificErrFn).to.throw(specificError);
|
|
|
|
expect(badFn).to.throw(/testing/);
|
|
expect(badFn).to.not.throw(/hello/);
|
|
expect(badFn).to.throw('testing');
|
|
expect(badFn).to.not.throw('hello');
|
|
|
|
expect(badFn).to.throw(Error, /testing/);
|
|
expect(badFn).to.throw(Error, 'testing');
|
|
|
|
err(function(){
|
|
expect(goodFn).to.throw();
|
|
}, "expected [Function] to throw an error");
|
|
|
|
err(function(){
|
|
expect(goodFn).to.throw(ReferenceError);
|
|
}, "expected [Function] to throw ReferenceError");
|
|
|
|
err(function(){
|
|
expect(goodFn).to.throw(specificError);
|
|
}, "expected [Function] to throw 'RangeError: boo'");
|
|
|
|
err(function(){
|
|
expect(badFn).to.not.throw();
|
|
}, "expected [Function] to not throw an error but 'Error: testing' was thrown");
|
|
|
|
err(function(){
|
|
expect(badFn).to.throw(ReferenceError);
|
|
}, "expected [Function] to throw 'ReferenceError' but 'Error: testing' was thrown");
|
|
|
|
err(function(){
|
|
expect(badFn).to.throw(specificError);
|
|
}, "expected [Function] to throw 'RangeError: boo' but 'Error: testing' was thrown");
|
|
|
|
err(function(){
|
|
expect(badFn).to.not.throw(Error);
|
|
}, "expected [Function] to not throw 'Error' but 'Error: testing' was thrown");
|
|
|
|
err(function(){
|
|
expect(refErrFn).to.not.throw(ReferenceError);
|
|
}, "expected [Function] to not throw 'ReferenceError' but 'ReferenceError: hello' was thrown");
|
|
|
|
err(function(){
|
|
expect(badFn).to.throw(PoorlyConstructedError);
|
|
}, "expected [Function] to throw 'PoorlyConstructedError' but 'Error: testing' was thrown");
|
|
|
|
err(function(){
|
|
expect(ickyErrFn).to.not.throw(PoorlyConstructedError);
|
|
}, /^(expected \[Function\] to not throw 'PoorlyConstructedError' but)(.*)(PoorlyConstructedError|\{ Object \()(.*)(was thrown)$/);
|
|
|
|
err(function(){
|
|
expect(ickyErrFn).to.throw(ReferenceError);
|
|
}, /^(expected \[Function\] to throw 'ReferenceError' but)(.*)(PoorlyConstructedError|\{ Object \()(.*)(was thrown)$/);
|
|
|
|
err(function(){
|
|
expect(specificErrFn).to.throw(new ReferenceError('eek'));
|
|
}, "expected [Function] to throw 'ReferenceError: eek' but 'RangeError: boo' was thrown");
|
|
|
|
err(function(){
|
|
expect(specificErrFn).to.not.throw(specificError);
|
|
}, "expected [Function] to not throw 'RangeError: boo'");
|
|
|
|
err(function (){
|
|
expect(badFn).to.not.throw(/testing/);
|
|
}, "expected [Function] to throw error not matching /testing/");
|
|
|
|
err(function () {
|
|
expect(badFn).to.throw(/hello/);
|
|
}, "expected [Function] to throw error matching /hello/ but got 'testing'");
|
|
|
|
err(function () {
|
|
expect(badFn).to.throw(Error, /hello/, 'blah');
|
|
}, "blah: expected [Function] to throw error matching /hello/ but got 'testing'");
|
|
|
|
err(function () {
|
|
expect(badFn).to.throw(Error, 'hello', 'blah');
|
|
}, "blah: expected [Function] to throw error including 'hello' but got 'testing'");
|
|
|
|
err(function () {
|
|
(customErrFn).should.not.throw();
|
|
}, "expected [Function] to not throw an error but 'CustomError: foo' was thrown");
|
|
});
|
|
|
|
it('respondTo', function(){
|
|
function Foo(){};
|
|
Foo.prototype.bar = function(){};
|
|
Foo.func = function() {};
|
|
|
|
var bar = {};
|
|
bar.foo = function(){};
|
|
|
|
expect(Foo).to.respondTo('bar');
|
|
expect(Foo).to.not.respondTo('foo');
|
|
expect(Foo).itself.to.respondTo('func');
|
|
expect(Foo).itself.not.to.respondTo('bar');
|
|
|
|
expect(bar).to.respondTo('foo');
|
|
|
|
err(function(){
|
|
expect(Foo).to.respondTo('baz', 'constructor');
|
|
}, /^(constructor: expected)(.*)(\[Function: Foo\])(.*)(to respond to \'baz\')$/);
|
|
|
|
err(function(){
|
|
expect(bar).to.respondTo('baz', 'object');
|
|
}, /^(object: expected)(.*)(\{ foo: \[Function\] \}|\{ Object \()(.*)(to respond to \'baz\')$/);
|
|
});
|
|
|
|
it('satisfy', function(){
|
|
var matcher = function (num) {
|
|
return num === 1;
|
|
};
|
|
|
|
expect(1).to.satisfy(matcher);
|
|
|
|
err(function(){
|
|
expect(2).to.satisfy(matcher, 'blah');
|
|
}, "blah: expected 2 to satisfy [Function]");
|
|
});
|
|
|
|
it('closeTo', function(){
|
|
expect(1.5).to.be.closeTo(1.0, 0.5);
|
|
expect(10).to.be.closeTo(20, 20);
|
|
expect(-10).to.be.closeTo(20, 30);
|
|
|
|
err(function(){
|
|
expect(2).to.be.closeTo(1.0, 0.5, 'blah');
|
|
}, "blah: expected 2 to be close to 1 +/- 0.5");
|
|
|
|
err(function(){
|
|
expect(-10).to.be.closeTo(20, 29, 'blah');
|
|
}, "blah: expected -10 to be close to 20 +/- 29");
|
|
|
|
err(function() {
|
|
expect([1.5]).to.be.closeTo(1.0, 0.5);
|
|
}, "expected [ 1.5 ] to be a number");
|
|
|
|
err(function() {
|
|
expect(1.5).to.be.closeTo("1.0", 0.5);
|
|
}, "the arguments to closeTo must be numbers");
|
|
|
|
err(function() {
|
|
expect(1.5).to.be.closeTo(1.0, true);
|
|
}, "the arguments to closeTo must be numbers");
|
|
});
|
|
|
|
it('include.members', function() {
|
|
expect([1, 2, 3]).to.include.members([]);
|
|
expect([1, 2, 3]).to.include.members([3, 2]);
|
|
expect([1, 2, 3]).to.not.include.members([8, 4]);
|
|
expect([1, 2, 3]).to.not.include.members([1, 2, 3, 4]);
|
|
});
|
|
|
|
it('same.members', function() {
|
|
expect([5, 4]).to.have.same.members([4, 5]);
|
|
expect([5, 4]).to.have.same.members([5, 4]);
|
|
expect([5, 4]).to.not.have.same.members([]);
|
|
expect([5, 4]).to.not.have.same.members([6, 3]);
|
|
expect([5, 4]).to.not.have.same.members([5, 4, 2]);
|
|
});
|
|
|
|
it('members', function() {
|
|
expect([5, 4]).members([4, 5]);
|
|
expect([5, 4]).members([5, 4]);
|
|
expect([5, 4]).not.members([]);
|
|
expect([5, 4]).not.members([6, 3]);
|
|
expect([5, 4]).not.members([5, 4, 2]);
|
|
expect([{ id: 1 }]).not.members([{ id: 1 }]);
|
|
});
|
|
|
|
it('deep.members', function() {
|
|
expect([{ id: 1 }]).deep.members([{ id: 1 }]);
|
|
expect([{ id: 2 }]).not.deep.members([{ id: 1 }]);
|
|
err(function(){
|
|
expect([{ id: 1 }]).deep.members([{ id: 2 }])
|
|
}, "expected [ { id: 1 } ] to have the same members as [ { id: 2 } ]");
|
|
});
|
|
|
|
it('change', function() {
|
|
var obj = { value: 10, str: 'foo' },
|
|
fn = function() { obj.value += 5 },
|
|
sameFn = function() { 'foo' + 'bar' },
|
|
bangFn = function() { obj.str += '!' };
|
|
|
|
expect(fn).to.change(obj, 'value');
|
|
expect(sameFn).to.not.change(obj, 'value');
|
|
expect(sameFn).to.not.change(obj, 'str');
|
|
expect(bangFn).to.change(obj, 'str');
|
|
});
|
|
|
|
it('increase, decrease', function() {
|
|
var obj = { value: 10 },
|
|
incFn = function() { obj.value += 2 },
|
|
decFn = function() { obj.value -= 3 },
|
|
smFn = function() { obj.value += 0 };
|
|
|
|
expect(smFn).to.not.increase(obj, 'value');
|
|
expect(decFn).to.not.increase(obj, 'value');
|
|
expect(incFn).to.increase(obj, 'value');
|
|
|
|
expect(smFn).to.not.decrease(obj, 'value');
|
|
expect(incFn).to.not.decrease(obj, 'value');
|
|
expect(decFn).to.decrease(obj, 'value');
|
|
});
|
|
|
|
|
|
});
|