chai/test/expect.js
2011-12-15 07:59:16 -05:00

385 lines
No EOL
11 KiB
JavaScript

/**
* Module dependencies.
*/
// if we are in a browser session, chai is already defined
if (!chai) {
var chai = require('../')
, expect = chai.expect;
}
function err(fn, msg) {
try {
fn();
chai.fail('expected an error');
} catch (err) {
expect(msg).to.equal(err.message);
}
}
var expectTests = module.exports = {
'expect': {
'test .version': function(){
expect(chai.version).to.match(/^\d+\.\d+\.\d+$/);
},
'test double require': function(){
//require('chai').expect().to.equal(expect);
},
'test assertion': function(){
expect('test').to.not.be.a('string');
expect('foo').to.equal('foo');
},
'test true': function(){
expect(true).to.be.true;
expect(false).to.not.be.true;
expect(1).to.not.be.true;
err(function(){
expect('test').to.be.true;
}, "expected 'test' to be true")
},
'test ok': function(){
expect(true).to.be.ok;
expect(false).to.not.be.ok;
expect(1).to.be.ok;
expect(0).to.not.be.ok;
err(function(){
expect('').to.be.ok;
}, "expected '' to be truthy");
err(function(){
expect('test').to.not.be.ok;
}, "expected 'test' to be falsey");
},
'test false': function(){
expect(false).to.be.false;
expect(true).to.not.be.false;
expect(0).to.not.be.false;
err(function(){
expect('').to.be.false;
}, "expected '' to be false")
},
'test arguments': function(){
var args = (function(){ return arguments; })(1,2,3);
expect(args).to.be.arguments;
expect([]).to.not.be.arguments;
},
'test .equal()': function(){
var foo;
expect(undefined).to.equal(foo);
},
'test typeof': function(){
expect('test').to.be.a('string');
err(function(){
expect('test').to.not.be.a('string');
}, "expected 'test' not to be a string");
expect(5).to.be.a('number');
err(function(){
expect(5).to.not.be.a('number');
}, "expected 5 not to be a number");
},
'test instanceof': function(){
function Foo(){}
expect(new Foo()).to.be.an.instanceof(Foo);
err(function(){
expect(3).to.an.instanceof(Foo);
}, "expected 3 to be an instance of Foo");
},
'test within(start, finish)': function(){
expect(5).to.be.within(5, 10);
expect(5).to.be.within(3,6);
expect(5).to.be.within(3,5);
expect(5).to.not.be.within(1,3);
err(function(){
expect(5).to.not.be.within(4,6);
}, "expected 5 to not be within 4..6");
err(function(){
expect(10).to.be.within(50,100);
}, "expected 10 to be within 50..100");
},
'test above(n)': function(){
expect(5).to.be.above(2);
expect(5).to.be.greaterThan(2);
expect(5).to.not.be.above(5);
expect(5).to.not.be.above(6);
err(function(){
expect(5).to.be.above(6);
}, "expected 5 to be above 6");
err(function(){
expect(10).to.not.be.above(6);
}, "expected 10 to be below 6");
},
'test match(regexp)': function(){
expect('foobar').to.match(/^foo/)
expect('foobar').to.not.match(/^bar/)
err(function(){
expect('foobar').to.match(/^bar/i)
}, "expected 'foobar' to match /^bar/i");
err(function(){
expect('foobar').to.not.match(/^foo/i)
}, "expected 'foobar' not to match /^foo/i");
},
'test length(n)': function(){
expect('test').to.have.length(4);
expect('test').to.not.have.length(3);
expect([1,2,3]).to.have.length(3);
err(function(){
expect(4).to.have.length(3);
}, 'expected 4 to have a property \'length\'');
err(function(){
expect('asd').to.not.have.length(3);
}, "expected 'asd' to not have a length of 3");
},
'test eql(val)': function(){
expect('test').to.eql('test');
expect({ foo: 'bar' }).to.eql({ foo: 'bar' });
expect(1).to.eql(1);
expect('4').to.not.eql(4);
err(function(){
expect(4).to.eql(3);
}, 'expected 4 to equal 3');
},
'test equal(val)': function(){
expect('test').to.equal('test');
expect(1).to.equal(1);
err(function(){
expect(4).to.equal(3);
}, 'expected 4 to equal 3');
err(function(){
expect('4').to.equal(4);
}, "expected '4' to equal 4");
},
'test empty': function(){
expect('').to.be.empty;
expect([]).to.be.empty;
expect({ length: 0 }).to.be.empty;
err(function(){
expect({}).to.be.empty;
}, 'expected {} to have a property \'length\'');
err(function(){
expect('asd').to.be.empty;
}, "expected 'asd' to be empty");
err(function(){
expect('').to.not.be.empty;
}, "expected '' not to be empty");
},
'test property(name)': function(){
expect('test').to.have.property('length');
expect(4).to.not.have.property('length');
err(function(){
expect('asd').to.have.property('foo');
}, "expected 'asd' to have a property 'foo'");
},
'test property(name, val)': function(){
expect('test').to.have.property('length', 4);
expect('asd').to.have.property('constructor', String);
err(function(){
expect('asd').to.have.property('length', 4);
}, "expected 'asd' to have a property 'length' of 4, but got 3");
err(function(){
expect('asd').to.not.have.property('length', 3);
}, "expected 'asd' to not have a property 'length' of 3");
err(function(){
expect('asd').to.not.have.property('foo', 3);
}, "'asd' has no property 'foo'");
err(function(){
expect('asd').to.have.property('constructor', Number);
}, "expected 'asd' to have a property 'constructor' of [Function: Number], but got [Function: String]");
},
'test 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');
}, "expected { length: 12 } to not have own property 'length'");
},
'test string()': function(){
expect('foobar').to.include.string('bar');
expect('foobar').to.include.string('foo');
expect('foobar').to.not.include.string('baz');
err(function(){
expect(3).to.include.string('baz');
}, "expected 3 to be a string");
err(function(){
expect('foobar').to.include.string('baz');
}, "expected 'foobar' to include 'baz'");
err(function(){
expect('foobar').to.not.include.string('bar');
}, "expected 'foobar' to not include 'bar'");
},
'test object()': function(){
var obj = {foo: 'bar', baz: {baaz: 42}, qux: 13};
expect(obj).to.include.object({foo: 'bar'});
expect(obj).to.include.object({baz: {baaz: 42}});
expect(obj).to.include.object({foo: 'bar', qux: 13});
expect(obj).to.not.include.object({foo: 'baz'});
expect(obj).to.not.include.object({foo: 'bar', baz: {baaz: -42}});
err(function(){
expect(3).to.include.object({foo: 'bar'});
}, "expected 3 to be a object");
err(function(){
var obj = {foo: 'bar'};
expect(obj).to.include.object({foo: 'baz'});
}, "expected { foo: 'bar' } to include { foo: 'baz' }");
err(function(){
var obj = {foo: 'bar'};
expect(obj).to.not.include.object({foo: 'bar'});
}, "expected { foo: 'bar' } to not include { foo: 'bar' }");
},
'test contain()': function(){
expect(['foo', 'bar']).to.contain('foo');
expect(['foo', 'bar']).to.contain('foo');
expect(['foo', 'bar']).to.contain('bar');
expect([1,2]).to.contain(1);
expect(['foo', 'bar']).to.not.contain('baz');
expect(['foo', 'bar']).to.not.contain(1);
err(function(){
expect(['foo']).to.contain('bar');
}, "expected [ 'foo' ] to contain 'bar'");
err(function(){
expect(['bar', 'foo']).to.not.contain('foo');
}, "expected [ 'bar', 'foo' ] to not contain 'foo'");
},
'test 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.include.keys('foo', 'bar');
expect({ foo: 1, bar: 2, baz: 3 }).to.include.keys('bar', 'foo');
expect({ foo: 1, bar: 2, baz: 3 }).to.include.keys('baz');
expect({ foo: 1, bar: 2 }).to.include.keys('foo');
expect({ foo: 1, bar: 2 }).to.include.keys('bar', 'foo');
expect({ foo: 1, bar: 2 }).to.include.keys(['foo']);
expect({ foo: 1, bar: 2 }).to.include.keys(['bar']);
expect({ foo: 1, bar: 2 }).to.include.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.include.keys('baz');
expect({ foo: 1, bar: 2 }).to.not.include.keys('foo', 'baz');
expect({ foo: 1, bar: 2 }).to.not.include.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.include.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 }).to.not.include.keys(['foo']);
}, "expected { foo: 1 } to not include key 'foo'");
err(function(){
expect({ foo: 1 }).to.include.keys('foo', 'bar');
}, "expected { foo: 1 } to include keys 'foo', and 'bar'");
},
'test respondTo(method)': function(){
expect('test').to.respondTo('toString');
expect('test').to.not.respondTo('toBuffer');
},
'test chaining': function(){
var user = { name: 'tj', pets: ['tobi', 'loki', 'jane', 'bandit'] };
expect(user).to.have.property('pets').with.lengthOf(4);
err(function(){
expect(user).to.have.property('pets').with.lengthOf(5);
}, "expected [ 'tobi', 'loki', 'jane', 'bandit' ] to have a length of 5 but got 4");
expect(user).to.be.a('object').and.have.property('name', 'tj');
}
}
};