Ghost/core/test/unit/models_pagination_spec.js
Hannah Wolfe 4772e38521 Add event handling to pagination plugin
closes #5490

- use same event handling pattern as fetchAll
- add support for `fetching:collection` to post model
- add tests to check that url is fetched via findAll and findPage
2015-06-26 22:56:03 +01:00

343 lines
12 KiB
JavaScript

/*globals describe, it, before, beforeEach, afterEach */
/*jshint expr:true*/
var should = require('should'),
sinon = require('sinon'),
Promise = require('bluebird'),
rewire = require('rewire'),
// Thing we're testing
pagination = rewire('../../server/models/base/pagination');
// To stop jshint complaining
should.equal(true, true);
describe('pagination', function () {
var sandbox,
paginationUtils;
beforeEach(function () {
sandbox = sinon.sandbox.create();
});
afterEach(function () {
sandbox.restore();
});
describe('paginationUtils', function () {
before(function () {
paginationUtils = pagination.__get__('paginationUtils');
});
describe('formatResponse', function () {
var formatResponse;
before(function () {
formatResponse = paginationUtils.formatResponse;
});
it('returns correct pagination object for single page', function () {
formatResponse(5, {limit: 10, page: 1}).should.eql({
limit: 10,
next: null,
page: 1,
pages: 1,
prev: null,
total: 5
});
});
it('returns correct pagination object for first page of many', function () {
formatResponse(44, {limit: 5, page: 1}).should.eql({
limit: 5,
next: 2,
page: 1,
pages: 9,
prev: null,
total: 44
});
});
it('returns correct pagination object for middle page of many', function () {
formatResponse(44, {limit: 5, page: 9}).should.eql({
limit: 5,
next: null,
page: 9,
pages: 9,
prev: 8,
total: 44
});
});
it('returns correct pagination object for last page of many', function () {
formatResponse(44, {limit: 5, page: 3}).should.eql({
limit: 5,
next: 4,
page: 3,
pages: 9,
prev: 2,
total: 44
});
});
it('returns correct pagination object when page not set', function () {
formatResponse(5, {limit: 10}).should.eql({
limit: 10,
next: null,
page: 1,
pages: 1,
prev: null,
total: 5
});
});
it('returns correct pagination object for limit all', function () {
formatResponse(5, {limit: 'all'}).should.eql({
limit: 'all',
next: null,
page: 1,
pages: 1,
prev: null,
total: 5
});
});
});
describe('parseOptions', function () {
var parseOptions;
before(function () {
parseOptions = paginationUtils.parseOptions;
});
it('should use defaults if no options are passed', function () {
parseOptions().should.eql({
limit: 15,
page: 1
});
});
it('should accept numbers for limit and page', function () {
parseOptions({
limit: 10,
page: 2
}).should.eql({
limit: 10,
page: 2
});
});
it('should use defaults if bad options are passed', function () {
parseOptions({
limit: 'thelma',
page: 'louise'
}).should.eql({
limit: 15,
page: 1
});
});
it('should permit all for limit', function () {
parseOptions({
limit: 'all'
}).should.eql({
limit: 'all',
page: 1
});
});
});
describe('query', function () {
var query,
collection = {};
before(function () {
query = paginationUtils.query;
});
beforeEach(function () {
collection.query = sandbox.stub().returns(collection);
});
it('should add query options if limit is set', function () {
query(collection, {limit: 5, page: 1});
collection.query.calledTwice.should.be.true;
collection.query.firstCall.calledWith('limit', 5).should.be.true;
collection.query.secondCall.calledWith('offset', 0).should.be.true;
});
it('should not add query options if limit is not set', function () {
query(collection, {page: 1});
collection.query.called.should.be.false;
});
});
});
describe('fetchPage', function () {
var model, bookshelf, on, mockQuery, fetch, colQuery;
before(function () {
paginationUtils = pagination.__get__('paginationUtils');
});
beforeEach(function () {
// Stub paginationUtils
paginationUtils.parseOptions = sandbox.stub();
paginationUtils.query = sandbox.stub();
paginationUtils.formatResponse = sandbox.stub().returns({});
// Mock out bookshelf model
mockQuery = {
clone: sandbox.stub(),
count: sandbox.stub()
};
mockQuery.clone.returns(mockQuery);
mockQuery.count.returns([{aggregate: 1}]);
fetch = sandbox.stub().returns(Promise.resolve({}));
colQuery = sandbox.stub();
on = function () { return this; };
on = sandbox.spy(on);
model = function () {};
model.prototype.constructor = {
collection: sandbox.stub().returns({
on: on,
fetch: fetch,
query: colQuery
})
};
model.prototype.query = sandbox.stub();
model.prototype.resetQuery = sandbox.stub();
model.prototype.query.returns(mockQuery);
bookshelf = {Model: model};
pagination(bookshelf);
});
it('extends Model with fetchPage', function () {
bookshelf.Model.prototype.should.have.ownProperty('fetchPage');
bookshelf.Model.prototype.fetchPage.should.be.a.Function;
});
it('fetchPage calls all paginationUtils and methods', function (done) {
paginationUtils.parseOptions.returns({});
bookshelf.Model.prototype.fetchPage().then(function () {
sinon.assert.callOrder(
paginationUtils.parseOptions,
model.prototype.constructor.collection,
model.prototype.query,
mockQuery.clone,
mockQuery.count,
model.prototype.query,
mockQuery.clone,
paginationUtils.query,
on,
on,
fetch,
paginationUtils.formatResponse
);
paginationUtils.parseOptions.calledOnce.should.be.true;
paginationUtils.parseOptions.calledWith(undefined).should.be.true;
paginationUtils.query.calledOnce.should.be.true;
paginationUtils.formatResponse.calledOnce.should.be.true;
model.prototype.constructor.collection.calledOnce.should.be.true;
model.prototype.constructor.collection.calledWith().should.be.true;
model.prototype.query.calledTwice.should.be.true;
model.prototype.query.firstCall.calledWith().should.be.true;
model.prototype.query.secondCall.calledWith().should.be.true;
mockQuery.clone.calledTwice.should.be.true;
mockQuery.clone.firstCall.calledWith().should.be.true;
mockQuery.clone.secondCall.calledWith().should.be.true;
mockQuery.count.calledOnce.should.be.true;
mockQuery.count.calledWith().should.be.true;
on.calledTwice.should.be.true;
on.firstCall.calledWith('fetching').should.be.true;
on.secondCall.calledWith('fetched').should.be.true;
fetch.calledOnce.should.be.true;
fetch.calledWith({}).should.be.true;
done();
}).catch(done);
});
it('fetchPage calls all paginationUtils and methods when order set', function (done) {
var orderOptions = {order: {id: 'DESC'}};
paginationUtils.parseOptions.returns(orderOptions);
bookshelf.Model.prototype.fetchPage(orderOptions).then(function () {
sinon.assert.callOrder(
paginationUtils.parseOptions,
model.prototype.constructor.collection,
model.prototype.query,
mockQuery.clone,
mockQuery.count,
model.prototype.query,
mockQuery.clone,
paginationUtils.query,
colQuery,
on,
on,
fetch,
paginationUtils.formatResponse
);
paginationUtils.parseOptions.calledOnce.should.be.true;
paginationUtils.parseOptions.calledWith(orderOptions).should.be.true;
paginationUtils.query.calledOnce.should.be.true;
paginationUtils.formatResponse.calledOnce.should.be.true;
model.prototype.constructor.collection.calledOnce.should.be.true;
model.prototype.constructor.collection.calledWith().should.be.true;
model.prototype.query.calledTwice.should.be.true;
model.prototype.query.firstCall.calledWith().should.be.true;
model.prototype.query.secondCall.calledWith().should.be.true;
mockQuery.clone.calledTwice.should.be.true;
mockQuery.clone.firstCall.calledWith().should.be.true;
mockQuery.clone.secondCall.calledWith().should.be.true;
mockQuery.count.calledOnce.should.be.true;
mockQuery.count.calledWith().should.be.true;
colQuery.calledOnce.should.be.true;
colQuery.calledWith('orderBy', 'undefined.id', 'DESC').should.be.true;
on.calledTwice.should.be.true;
on.firstCall.calledWith('fetching').should.be.true;
on.secondCall.calledWith('fetched').should.be.true;
fetch.calledOnce.should.be.true;
fetch.calledWith(orderOptions).should.be.true;
done();
}).catch(done);
});
it('fetchPage returns expected response', function (done) {
paginationUtils.parseOptions.returns({});
bookshelf.Model.prototype.fetchPage().then(function (result) {
result.should.have.ownProperty('collection');
result.should.have.ownProperty('pagination');
result.collection.should.be.an.Object;
result.pagination.should.be.an.Object;
done();
});
});
});
});