Ghost/test/unit/models/plugins/pagination_spec.js
Hannah Wolfe 22e13acd65 Updated var declarations to const/let and no lists
- All var declarations are now const or let as per ES6
- All comma-separated lists / chained declarations are now one declaration per line
- This is for clarity/readability but also made running the var-to-const/let switch smoother
- ESLint rules updated to match

How this was done:

- npm install -g jscodeshift
- git clone https://github.com/cpojer/js-codemod.git
- git clone git@github.com:TryGhost/Ghost.git shallow-ghost
- cd shallow-ghost
- jscodeshift -t ../js-codemod/transforms/unchain-variables.js . -v=2
- jscodeshift -t ../js-codemod/transforms/no-vars.js . -v=2
- yarn
- yarn test
- yarn lint / fix various lint errors (almost all indent) by opening files and saving in vscode
- grunt test-regression
- sorted!
2020-04-29 16:51:13 +01:00

351 lines
12 KiB
JavaScript

const should = require('should');
const sinon = require('sinon');
const Promise = require('bluebird');
const rewire = require('rewire');
const pagination = rewire('../../../../core/server/models/plugins/pagination');
describe('pagination', function () {
let paginationUtils;
afterEach(function () {
sinon.restore();
});
describe('paginationUtils', function () {
before(function () {
paginationUtils = pagination.__get__('paginationUtils');
});
describe('formatResponse', function () {
let 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 () {
let 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('addLimitAndOffset', function () {
let addLimitAndOffset;
const collection = {};
before(function () {
addLimitAndOffset = paginationUtils.addLimitAndOffset;
});
beforeEach(function () {
collection.query = sinon.stub().returns(collection);
});
it('should add query options if limit is set', function () {
addLimitAndOffset(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 () {
addLimitAndOffset(collection, {page: 1});
collection.query.called.should.be.false();
});
});
});
describe('fetchPage', function () {
let model;
let bookshelf;
let knex;
let mockQuery;
before(function () {
paginationUtils = pagination.__get__('paginationUtils');
});
beforeEach(function () {
// Stub paginationUtils
paginationUtils.parseOptions = sinon.stub();
paginationUtils.addLimitAndOffset = sinon.stub();
paginationUtils.formatResponse = sinon.stub().returns({});
// Mock out bookshelf model
mockQuery = {
clone: sinon.stub(),
select: sinon.stub(),
toQuery: sinon.stub()
};
mockQuery.clone.returns(mockQuery);
mockQuery.select.returns(Promise.resolve([{aggregate: 1}]));
model = function () {
};
model.prototype.fetchAll = sinon.stub().returns(Promise.resolve({}));
model.prototype.query = sinon.stub();
model.prototype.query.returns(mockQuery);
knex = {raw: sinon.stub().returns(Promise.resolve())};
bookshelf = {Model: model, knex: knex};
pagination(bookshelf);
});
it('extends Model with fetchPage', function () {
bookshelf.Model.prototype.should.have.ownProperty('fetchPage');
bookshelf.Model.prototype.fetchPage.should.be.a.Function();
});
it('calls all paginationUtils and methods', function (done) {
paginationUtils.parseOptions.returns({});
bookshelf.Model.prototype.fetchPage().then(function () {
sinon.assert.callOrder(
paginationUtils.parseOptions,
model.prototype.query,
mockQuery.clone,
mockQuery.select,
paginationUtils.addLimitAndOffset,
model.prototype.fetchAll,
paginationUtils.formatResponse
);
paginationUtils.parseOptions.calledOnce.should.be.true();
paginationUtils.parseOptions.calledWith(undefined).should.be.true();
paginationUtils.addLimitAndOffset.calledOnce.should.be.true();
paginationUtils.formatResponse.calledOnce.should.be.true();
model.prototype.query.calledOnce.should.be.true();
model.prototype.query.firstCall.calledWith().should.be.true();
mockQuery.clone.calledOnce.should.be.true();
mockQuery.clone.firstCall.calledWith().should.be.true();
mockQuery.select.calledOnce.should.be.true();
mockQuery.select.calledWith().should.be.true();
model.prototype.fetchAll.calledOnce.should.be.true();
model.prototype.fetchAll.calledWith({}).should.be.true();
done();
}).catch(done);
});
it('calls all paginationUtils and methods when order set', function (done) {
const orderOptions = {order: {id: 'DESC'}};
paginationUtils.parseOptions.returns(orderOptions);
bookshelf.Model.prototype.fetchPage(orderOptions).then(function () {
sinon.assert.callOrder(
paginationUtils.parseOptions,
model.prototype.query,
mockQuery.clone,
mockQuery.select,
paginationUtils.addLimitAndOffset,
model.prototype.query,
model.prototype.fetchAll,
paginationUtils.formatResponse
);
paginationUtils.parseOptions.calledOnce.should.be.true();
paginationUtils.parseOptions.calledWith(orderOptions).should.be.true();
paginationUtils.addLimitAndOffset.calledOnce.should.be.true();
paginationUtils.formatResponse.calledOnce.should.be.true();
model.prototype.query.calledTwice.should.be.true();
model.prototype.query.firstCall.calledWith().should.be.true();
model.prototype.query.secondCall.calledWith('orderBy', 'undefined.id', 'DESC').should.be.true();
mockQuery.clone.calledOnce.should.be.true();
mockQuery.clone.firstCall.calledWith().should.be.true();
mockQuery.select.calledOnce.should.be.true();
mockQuery.select.calledWith().should.be.true();
model.prototype.fetchAll.calledOnce.should.be.true();
model.prototype.fetchAll.calledWith(orderOptions).should.be.true();
done();
}).catch(done);
});
it('calls all paginationUtils and methods when group by set', function (done) {
const groupOptions = {groups: ['posts.id']};
paginationUtils.parseOptions.returns(groupOptions);
bookshelf.Model.prototype.fetchPage(groupOptions).then(function () {
sinon.assert.callOrder(
paginationUtils.parseOptions,
model.prototype.query,
mockQuery.clone,
mockQuery.select,
paginationUtils.addLimitAndOffset,
model.prototype.query,
model.prototype.fetchAll,
paginationUtils.formatResponse
);
paginationUtils.parseOptions.calledOnce.should.be.true();
paginationUtils.parseOptions.calledWith(groupOptions).should.be.true();
paginationUtils.addLimitAndOffset.calledOnce.should.be.true();
paginationUtils.formatResponse.calledOnce.should.be.true();
model.prototype.query.calledTwice.should.be.true();
model.prototype.query.firstCall.calledWith().should.be.true();
model.prototype.query.secondCall.calledWith('groupBy', 'posts.id').should.be.true();
mockQuery.clone.calledOnce.should.be.true();
mockQuery.clone.firstCall.calledWith().should.be.true();
mockQuery.select.calledOnce.should.be.true();
mockQuery.select.calledWith().should.be.true();
model.prototype.fetchAll.calledOnce.should.be.true();
model.prototype.fetchAll.calledWith(groupOptions).should.be.true();
done();
}).catch(done);
});
it('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();
});
});
it('returns expected response even when aggregate is empty', function (done) {
// override aggregate response
mockQuery.select.returns(Promise.resolve([]));
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();
});
});
});
});