promise.js
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import Promise from '../src/promise';
describe('Vue.promise ' + (window.Promise !== undefined ? '(native)' : '(polyfill)'), function () {
it('then fulfill', function (done) {
Promise.resolve(1).then(function (value) {
expect(value).toBe(1);
done();
});
});
it('then reject', function (done) {
Promise.reject(1).then(undefined, function (value) {
expect(value).toBe(1);
done();
});
});
it('catch', function (done) {
Promise.reject(1).catch(function (value) {
expect(value).toBe(1);
done();
});
});
it('finally fulfill', function (done) {
Promise.resolve(1).finally(function (arg) {
expect(arg).toBe(undefined);
}).then(function (arg) {
expect(arg).toBe(1);
done();
});
});
it('finally reject', function (done) {
Promise.reject(1).finally(function (arg) {
expect(arg).toBe(undefined);
}).catch(function (arg) {
expect(arg).toBe(1);
done();
});
});
it('all', function (done) {
Promise.all([
Promise.resolve(1),
Promise.resolve(2)
]).then(function (values) {
expect(values[0]).toBe(1);
expect(values[1]).toBe(2);
done();
});
});
it('duplicate', function (done) {
Promise.all([
Promise.resolve(1).then(function (value) {
expect(value).toBe(1);
}),
Promise.resolve(2).then(function (value) {
expect(value).toBe(2);
})
]).then(done);
});
it('context', function (done) {
var context = {foo: 'bar'};
Promise.resolve().bind(context).then(function () {
expect(this).toBe(context);
done();
});
});
it('context chain fulfill', function (done) {
var context = {foo: 'bar'};
Promise.resolve().bind(context).catch(undefined).finally(function () {
expect(this).toBe(context);
}).then(function () {
expect(this).toBe(context);
done();
});
});
it('context chain reject', function (done) {
var context = {foo: 'bar'};
Promise.reject().bind(context).catch(function () {
expect(this).toBe(context);
return Promise.reject();
}).finally(function () {
expect(this).toBe(context);
}).catch(function () {
expect(this).toBe(context);
done();
});
});
});