/
i-bem__collection.spec.js
452 lines (365 loc) · 15.8 KB
/
i-bem__collection.spec.js
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modules.define(
'spec',
['i-bem', 'i-bem__collection', 'sinon', 'chai'],
function(provide, bem, BemCollection, sinon, chai) {
var expect = chai.expect;
describe('BEM collections', function() {
var Block = bem.declBlock('block');
describe('constructor', function() {
it('should create collection of unique entities', function() {
var b1 = Block.create(),
collection = new BemCollection([b1, b1]);
collection.size().should.be.equal(1);
collection.get(0).should.be.equal(b1);
});
it('should create collection via arguments', function() {
var b1 = Block.create(),
b2 = Block.create(),
collection = new BemCollection(b1, b2);
collection.size().should.be.equal(2);
collection.get(0).should.be.equal(b1);
collection.get(1).should.be.equal(b2);
});
});
describe('common methods', function() {
it('get', function() {
var b1 = Block.create(),
b2 = Block.create(),
collection = new BemCollection([b1, b2]);
collection.get(1).should.be.equal(b2);
});
it('has', function() {
var b1 = Block.create(),
b2 = Block.create(),
collection = new BemCollection([b1]);
collection.has(b1).should.be.true;
collection.has(b2).should.be.false;
});
it('size', function() {
new BemCollection([]).size().should.be.equal(0);
var b1 = Block.create(),
b2 = Block.create();
new BemCollection([b1, b2]).size().should.be.equal(2);
});
it('toArray', function() {
var b1 = Block.create(),
b2 = Block.create(),
collection = new BemCollection([b1, b2]);
collection.toArray().should.be.eql([b1, b2]);
});
describe('forEach', function() {
it('should call callback for every entity', function() {
var collection = new BemCollection([Block.create(), Block.create()]),
spy = sinon.spy();
collection.forEach(spy);
spy.should.be.calledTwice;
});
it('should call callback with proper arguments', function() {
var b1 = Block.create(),
collection = new BemCollection([b1]);
collection.forEach(function(entity, i) {
entity.should.be.equal(b1);
i.should.be.equal(0);
});
});
it('should call callback with proper context', function() {
var collection = new BemCollection([Block.create()]),
spy = sinon.spy(),
ctx = {};
collection.forEach(spy, ctx);
spy.should.be.calledOn(ctx);
});
});
describe('map', function() {
it('should call callback for every entity', function() {
var collection = new BemCollection([Block.create(), Block.create()]),
spy = sinon.spy();
collection.map(spy);
spy.should.be.calledTwice;
});
it('should call callback with proper arguments', function() {
var b1 = Block.create(),
collection = new BemCollection([b1]);
collection.map(function(entity, i) {
entity.should.be.equal(b1);
i.should.be.equal(0);
});
});
it('should call callback with proper context', function() {
var collection = new BemCollection([Block.create()]),
spy = sinon.spy(),
ctx = {};
collection.map(spy, ctx);
spy.should.be.calledOn(ctx);
});
it('should return proper result', function() {
var b1 = Block.create({ m : 'v1' }),
b2 = Block.create({ m : 'v2' }),
collection = new BemCollection([b1, b2]);
collection.map(function(entity) {
return entity.getMod('m');
}).should.be.eql(['v1', 'v2']);
});
});
describe('reduce', function() {
it('should call callback for every entity if no initial passed', function() {
var collection = new BemCollection([Block.create(), Block.create()]),
spy = sinon.spy();
collection.reduce(spy);
spy.should.be.calledOnce;
});
it('should call callback for every entity and initial value if it is passed', function() {
var collection = new BemCollection([Block.create(), Block.create()]),
spy = sinon.spy();
collection.reduce(spy, Block.create());
spy.should.be.calledTwice;
});
it('should call callback with proper arguments', function() {
var b1 = Block.create({ m : 'v1' }),
collection = new BemCollection([b1]);
collection.reduce(function(res, entity) {
res.should.be.equal('');
entity.should.be.equal(b1);
}, '');
});
it('should return proper result', function() {
var b1 = Block.create({ m : 'v1' }),
b2 = Block.create({ m : 'v2' }),
collection = new BemCollection([b1, b2]);
collection.reduce(function(res, entity) {
return res + entity.getMod('m');
}, '').should.be.equal('v1v2');
});
});
describe('reduceRight', function() {
it('should call callback for every entity if no initial passed', function() {
var collection = new BemCollection([Block.create(), Block.create()]),
spy = sinon.spy();
collection.reduceRight(spy);
spy.should.be.calledOnce;
});
it('should call callback for every entity and initial value if it is passed', function() {
var collection = new BemCollection([Block.create(), Block.create()]),
spy = sinon.spy();
collection.reduceRight(spy, Block.create());
spy.should.be.calledTwice;
});
it('should call callback with proper arguments', function() {
var b1 = Block.create({ m : 'v1' }),
collection = new BemCollection([b1]);
collection.reduceRight(function(res, entity) {
res.should.be.equal('');
entity.should.be.equal(b1);
}, '');
});
it('should return proper result', function() {
var b1 = Block.create({ m : 'v1' }),
b2 = Block.create({ m : 'v2' }),
collection = new BemCollection([b1, b2]);
collection.reduceRight(function(res, entity) {
return res + entity.getMod('m');
}, '').should.be.equal('v2v1');
});
});
describe('concat', function() {
it('should return proper value', function() {
var b1 = Block.create(),
b2 = Block.create(),
b3 = Block.create(),
b4 = Block.create(),
collection = new BemCollection([b1]).concat(b2, new BemCollection([b3]), [b4]);
collection.get(0).should.be.equal(b1);
collection.get(1).should.be.equal(b2);
collection.get(2).should.be.equal(b3);
collection.get(3).should.be.equal(b4);
});
});
describe('filter', function() {
it('should call callback for every entity', function() {
var collection = new BemCollection([Block.create(), Block.create()]),
spy = sinon.spy();
collection.filter(spy);
spy.should.be.calledTwice;
});
it('should call callback with proper arguments', function() {
var b1 = Block.create(),
collection = new BemCollection([b1]);
collection.filter(function(entity, i) {
entity.should.be.equal(b1);
i.should.be.equal(0);
});
});
it('should call callback with proper context', function() {
var collection = new BemCollection([Block.create()]),
spy = sinon.spy(),
ctx = {};
collection.filter(spy, ctx);
spy.should.be.calledOn(ctx);
});
it('should return proper result', function() {
var b1 = Block.create(),
b2 = Block.create({ m : 'v1' }),
b3 = Block.create(),
collection = new BemCollection([b1, b2, b3]),
res;
res = collection.filter(function(entity) {
return entity.hasMod('m');
});
res.get(0).should.be.equal(b2);
});
});
describe('some', function() {
it('should return proper result', function() {
var collection = new BemCollection([Block.create()]);
collection.some(function() { return true; }).should.be.ok;
collection.some(function() { return false; }).should.not.be.ok;
new BemCollection([]).some(function() { return true; }).should.not.be.ok;
});
it('should not call callback for every item if valid item present', function() {
var collection = new BemCollection([
Block.create(),
Block.create()
]),
stub = sinon.stub().returns(true);
collection.some(stub);
stub.should.be.calledOnce;
});
it('should call callback for every item if no valid item present', function() {
var collection = new BemCollection([
Block.create(),
Block.create()
]),
stub = sinon.stub().returns(false);
collection.some(stub);
stub.should.be.calledTwice;
});
it('should call callback with proper arguments', function() {
var b1 = Block.create(),
collection = new BemCollection([b1]);
collection.some(function(entity, i) {
entity.should.be.equal(b1);
i.should.be.equal(0);
});
});
});
describe('every', function() {
it('should return proper result', function() {
var collection1 = new BemCollection([Block.create()]);
collection1.every(function() { return true; }).should.be.ok;
collection1.every(function() { return false; }).should.not.be.ok;
var collection2 = new BemCollection([]);
collection2.every(function() { return true; }).should.be.ok;
collection2.every(function() { return false; }).should.be.ok;
});
it('should call callback for every item if all items valid', function() {
var collection = new BemCollection([
Block.create(),
Block.create()
]),
stub = sinon.stub().returns(true);
collection.every(stub);
stub.should.be.calledTwice;
});
it('should not call callback for every item if invalid item present', function() {
var collection = new BemCollection([
Block.create(),
Block.create()
]),
stub = sinon.stub().returns(true);
stub.onFirstCall().returns(false);
collection.every(stub);
stub.should.be.calledOnce;
});
it('should call callback with proper arguments', function() {
var b1 = Block.create(),
collection = new BemCollection([b1]);
collection.every(function(entity, i) {
entity.should.be.equal(b1);
i.should.be.equal(0);
});
});
});
describe('find', function() {
it('should return proper result', function() {
var b1 = Block.create(),
collection = new BemCollection([b1]);
collection.find(function() { return true; }).should.be.equal(b1);
expect(collection.find(function() { return false; })).to.be.null;
});
it('should not call callback for every item if valid item present', function() {
var collection = new BemCollection([
Block.create(),
Block.create()
]),
stub = sinon.stub().returns(true);
collection.find(stub);
stub.should.be.calledOnce;
});
it('should call callback for every item if no valid item present', function() {
var collection = new BemCollection([
Block.create(),
Block.create()
]),
stub = sinon.stub().returns(false);
collection.find(stub);
stub.should.be.calledTwice;
});
it('should call callback with proper arguments', function() {
var b1 = Block.create(),
collection = new BemCollection([b1]);
collection.find(function(entity, i, thisCollection) {
entity.should.be.equal(b1);
i.should.be.equal(0);
thisCollection.should.be.equal(collection);
});
});
});
});
describe('for each entity', function() {
var entities, collection;
beforeEach(function() {
entities = [
Block.create(),
Block.create({ m1 : 'v1' }),
Block.create({ m1 : 'v2' })
];
collection = new BemCollection(entities);
});
it('setMod', function() {
collection.setMod('m1', 'v3');
entities.every(function(entity) {
return entity.hasMod('m1', 'v3');
}).should.be.true;
});
it('delMod', function() {
collection.delMod('m1');
entities.every(function(entity) {
return !entity.hasMod('m1');
}).should.be.true;
});
it('toggleMod', function() {
collection.toggleMod('m1', 'v1', 'v2');
entities[1].hasMod('m1', 'v2').should.be.true;
entities[2].hasMod('m1', 'v1').should.be.true;
});
});
describe('*HasMod', function() {
var collection;
beforeEach(function() {
collection = new BemCollection([
Block.create({ m1 : 'v1' }),
Block.create({ m1 : 'v1', m2 : 'v2' })
]);
});
it('everyHasMod', function() {
collection.everyHasMod('m1', 'v1').should.be.true;
collection.everyHasMod('m2').should.be.false;
});
it('someHasMod', function() {
collection.someHasMod('m2', 'v2').should.be.true;
collection.someHasMod('m3').should.be.false;
});
});
});
provide();
});