loopback/test/model.test.js

511 lines
17 KiB
JavaScript

describe('Model', function() {
var User, memory;
beforeEach(function () {
memory = asteroid.createDataSource({connector: asteroid.Memory});
User = memory.createModel('user', {
'first': String,
'last': String,
'age': Number,
'password': String,
'gender': String,
'domain': String,
'email': String
});
})
describe('Model.validatesPresenceOf(properties...)', function() {
it("Require a model to include a property to be considered valid.", function() {
User.validatesPresenceOf('first', 'last', 'age');
var joe = new User({first: 'joe'});
assert(joe.isValid() === false, 'model should not validate');
assert(joe.errors.last, 'should have a missing last error');
assert(joe.errors.age, 'should have a missing age error');
});
});
describe('Model.validatesLengthOf(property, options)', function() {
it("Require a property length to be within a specified range.", function() {
User.validatesLengthOf('password', {min: 5, message: {min: 'Password is too short'}});
var joe = new User({password: '1234'});
assert(joe.isValid() === false, 'model should not be valid');
assert(joe.errors.password, 'should have password error');
});
});
describe('Model.validatesInclusionOf(property, options)', function() {
it("Require a value for `property` to be in the specified array.", function() {
User.validatesInclusionOf('gender', {in: ['male', 'female']});
var foo = new User({gender: 'bar'});
assert(foo.isValid() === false, 'model should not be valid');
assert(foo.errors.gender, 'should have gender error');
});
});
describe('Model.validatesExclusionOf(property, options)', function() {
it("Require a value for `property` to not exist in the specified array.", function() {
User.validatesExclusionOf('domain', {in: ['www', 'billing', 'admin']});
var foo = new User({domain: 'www'});
var bar = new User({domain: 'billing'});
var bat = new User({domain: 'admin'});
assert(foo.isValid() === false);
assert(bar.isValid() === false);
assert(bat.isValid() === false);
assert(foo.errors.domain, 'model should have a domain error');
assert(bat.errors.domain, 'model should have a domain error');
assert(bat.errors.domain, 'model should have a domain error');
});
});
describe('Model.validatesNumericalityOf(property, options)', function() {
it("Require a value for `property` to be a specific type of `Number`.", function() {
User.validatesNumericalityOf('age', {int: true});
var joe = new User({age: 10.2});
assert(joe.isValid() === false);
var bob = new User({age: 0});
assert(bob.isValid() === true);
assert(joe.errors.age, 'model should have an age error');
});
});
describe('Model.validatesUniquenessOf(property, options)', function() {
it("Ensure the value for `property` is unique.", function(done) {
User.validatesUniquenessOf('email', {message: 'email is not unique'});
var joe = new User({email: 'joe@joe.com'});
var joe2 = new User({email: 'joe@joe.com'});
joe.save(function () {
joe2.save(function (err) {
assert(err, 'should get a validation error');
assert(joe2.errors.email, 'model should have email error');
done();
});
});
});
});
describe('myModel.isValid()', function() {
it("Validate the model instance.", function() {
User.validatesNumericalityOf('age', {int: true});
var user = new User({first: 'joe', age: 'flarg'})
var valid = user.isValid();
assert(valid === false);
assert(user.errors.age, 'model should have age error');
});
it('Asynchronously validate the model.', function(done) {
User.validatesNumericalityOf('age', {int: true});
var user = new User({first: 'joe', age: 'flarg'})
user.isValid(function (valid) {
assert(valid === false);
assert(user.errors.age, 'model should have age error');
done();
});
});
});
describe('Model.attachTo(dataSource)', function() {
it("Attach a model to a [DataSource](#data-source)", function() {
var MyModel = asteroid.createModel('my-model', {name: String});
assert(MyModel.all === undefined, 'should not have data access methods');
MyModel.attachTo(memory);
assert(typeof MyModel.all === 'function', 'should have data access methods after attaching to a data source');
});
});
describe('Model.create([data], [callback])', function() {
it("Create an instance of Model with given data and save to the attached data source.", function(done) {
User.create({first: 'Joe', last: 'Bob'}, function(err, user) {
assert(user instanceof User);
done();
});
});
});
describe('model.save([options], [callback])', function() {
it("Save an instance of a Model to the attached data source.", function(done) {
var joe = new User({first: 'Joe', last: 'Bob'});
joe.save(function(err, user) {
assert(user.id);
assert(!err);
assert(!user.errors);
done();
});
});
});
describe('model.updateAttributes(data, [callback])', function() {
it("Save specified attributes to the attached data source.", function(done) {
User.create({first: 'joe', age: 100}, function (err, user) {
assert(!err);
assert.equal(user.first, 'joe');
user.updateAttributes({
first: 'updatedFirst',
last: 'updatedLast'
}, function (err, updatedUser) {
assert(!err);
assert.equal(updatedUser.first, 'updatedFirst');
assert.equal(updatedUser.last, 'updatedLast');
assert.equal(updatedUser.age, 100);
done();
});
});
});
});
describe('Model.upsert(data, callback)', function() {
it("Update when record with id=data.id found, insert otherwise", function(done) {
User.upsert({first: 'joe', id: 7}, function (err, user) {
assert(!err);
assert.equal(user.first, 'joe');
User.upsert({first: 'bob', id: 7}, function (err, updatedUser) {
assert(!err);
assert.equal(updatedUser.first, 'bob');
done();
});
});
});
});
describe('model.destroy([callback])', function() {
it("Remove a model from the attached data source.", function(done) {
User.create({first: 'joe', last: 'bob'}, function (err, user) {
User.find(user.id, function (err, foundUser) {
assert.equal(user.id, foundUser.id);
foundUser.destroy(function () {
User.find(user.id, function (err, notFound) {
assert(!err);
assert.equal(notFound, null);
done();
});
});
});
});
});
});
describe('Model.destroyAll(callback)', function() {
it("Delete all Model instances from data source", function(done) {
(new TaskEmitter())
.task(User, 'create', {first: 'jill'})
.task(User, 'create', {first: 'bob'})
.task(User, 'create', {first: 'jan'})
.task(User, 'create', {first: 'sam'})
.task(User, 'create', {first: 'suzy'})
.on('done', function () {
User.count(function (err, count) {
assert.equal(count, 5);
User.destroyAll(function () {
User.count(function (err, count) {
assert.equal(count, 0);
done();
});
});
});
});
});
});
describe('Model.find(id, callback)', function() {
it("Find instance by id.", function(done) {
User.create({first: 'michael', last: 'jordan', id: 23}, function () {
User.find(23, function (err, user) {
assert.equal(user.id, 23);
assert.equal(user.first, 'michael');
assert.equal(user.last, 'jordan');
done();
});
});
});
});
describe('Model.count([query], callback)', function() {
it("Query count of Model instances in data source", function(done) {
(new TaskEmitter())
.task(User, 'create', {first: 'jill', age: 100})
.task(User, 'create', {first: 'bob', age: 200})
.task(User, 'create', {first: 'jan'})
.task(User, 'create', {first: 'sam'})
.task(User, 'create', {first: 'suzy'})
.on('done', function () {
User.count({age: {gt: 99}}, function (err, count) {
assert.equal(count, 2);
done();
});
});
});
});
describe('Remote Methods', function(){
beforeEach(function () {
User.login = function (username, password, fn) {
if(username === 'foo' && password === 'bar') {
fn(null, 123);
} else {
throw new Error('bad username and password!');
}
}
asteroid.remoteMethod(
User.login,
{
accepts: [
{arg: 'username', type: 'string', required: true},
{arg: 'password', type: 'string', required: true}
],
returns: {arg: 'sessionId', type: 'any'},
http: {path: '/sign-in', verb: 'get'}
}
);
app.use(asteroid.rest());
app.model(User);
});
describe('Example Remote Method', function () {
it('Call the method using HTTP / REST', function(done) {
request(app)
.get('/users/sign-in?username=foo&password=bar')
.expect('Content-Type', /json/)
.expect(200)
.end(function(err, res){
if(err) return done(err);
assert(res.body.$data === 123);
done();
});
});
});
describe('Model.beforeRemote(name, fn)', function(){
it('Run a function before a remote method is called by a client.', function(done) {
var hookCalled = false;
User.beforeRemote('*.save', function(ctx, user, next) {
hookCalled = true;
next();
});
// invoke save
request(app)
.post('/users')
.send({data: {first: 'foo', last: 'bar'}})
.expect('Content-Type', /json/)
.expect(200)
.end(function(err, res) {
if(err) return done(err);
assert(hookCalled, 'hook wasnt called');
done();
});
});
});
describe('Model.afterRemote(name, fn)', function(){
it('Run a function after a remote method is called by a client.', function(done) {
var beforeCalled = false;
var afterCalled = false;
User.beforeRemote('*.save', function(ctx, user, next) {
assert(!afterCalled);
beforeCalled = true;
next();
});
User.afterRemote('*.save', function(ctx, user, next) {
assert(beforeCalled);
afterCalled = true;
next();
});
// invoke save
request(app)
.post('/users')
.send({data: {first: 'foo', last: 'bar'}})
.expect('Content-Type', /json/)
.expect(200)
.end(function(err, res) {
if(err) return done(err);
assert(beforeCalled, 'before hook was not called');
assert(afterCalled, 'after hook was not called');
done();
});
});
});
describe('Remote Method invoking context', function () {
// describe('ctx.user', function() {
// it("The remote user model calling the method remotely", function(done) {
// done(new Error('test not implemented'));
// });
// });
describe('ctx.req', function() {
it("The express ServerRequest object", function(done) {
var hookCalled = false;
User.beforeRemote('*.save', function(ctx, user, next) {
hookCalled = true;
assert(ctx.req);
assert(ctx.req.url);
assert(ctx.req.method);
assert(ctx.res);
assert(ctx.res.write);
assert(ctx.res.end);
next();
});
// invoke save
request(app)
.post('/users')
.send({data: {first: 'foo', last: 'bar'}})
.expect('Content-Type', /json/)
.expect(200)
.end(function(err, res) {
if(err) return done(err);
assert(hookCalled);
done();
});
});
});
describe('ctx.res', function() {
it("The express ServerResponse object", function(done) {
var hookCalled = false;
User.beforeRemote('*.save', function(ctx, user, next) {
hookCalled = true;
assert(ctx.req);
assert(ctx.req.url);
assert(ctx.req.method);
assert(ctx.res);
assert(ctx.res.write);
assert(ctx.res.end);
next();
});
// invoke save
request(app)
.post('/users')
.send({data: {first: 'foo', last: 'bar'}})
.expect('Content-Type', /json/)
.expect(200)
.end(function(err, res) {
if(err) return done(err);
assert(hookCalled);
done();
});
});
});
})
});
describe('Model.hasMany(Model)', function() {
it("Define a one to many relationship.", function(done) {
var Book = memory.createModel('book', {title: String, author: String});
var Chapter = memory.createModel('chapter', {title: String});
// by referencing model
Book.hasMany(Chapter);
Book.create({title: 'Into the Wild', author: 'Jon Krakauer'}, function(err, book) {
// using 'chapters' scope for build:
var c = book.chapters.build({title: 'Chapter 1'});
book.chapters.create({title: 'Chapter 2'}, function () {
c.save(function () {
Chapter.count({bookId: book.id}, function (err, count) {
assert.equal(count, 2);
book.chapters({where: {title: 'Chapter 1'}}, function(err, chapters) {
assert.equal(chapters.length, 1);
assert.equal(chapters[0].title, 'Chapter 1');
done();
});
});
});
});
});
});
});
// describe('Model.hasAndBelongsToMany()', function() {
// it("TODO: implement / document", function(done) {
// /* example -
//
// */
// done(new Error('test not implemented'));
// });
// });
// describe('Model.remoteMethods()', function() {
// it("Return a list of enabled remote methods.", function() {
// app.model(User);
// User.remoteMethods(); // ['save', ...]
// });
// });
// describe('Model.availableMethods()', function() {
// it("Returns the currently available api of a model as well as descriptions of any modified behavior or methods from attached data sources.", function(done) {
// /* example -
// User.attachTo(oracle);
// console.log(User.availableMethods());
//
// {
// 'User.all': {
// accepts: [{arg: 'filter', type: 'object', description: '...'}],
// returns: [{arg: 'users', type: ['User']}]
// },
// 'User.find': {
// accepts: [{arg: 'id', type: 'any'}],
// returns: [{arg: 'items', type: 'User'}]
// },
// ...
// }
// var oracle = asteroid.createDataSource({
// connector: 'oracle',
// host: '111.22.333.44',
// database: 'MYDB',
// username: 'username',
// password: 'password'
// });
//
// */
// done(new Error('test not implemented'));
// });
// });
// describe('Model.before(name, fn)', function(){
// it('Run a function before a method is called.', function() {
// // User.before('save', function(user, next) {
// // console.log('about to save', user);
// //
// // next();
// // });
// //
// // User.before('delete', function(user, next) {
// // // prevent all delete calls
// // next(new Error('deleting is disabled'));
// // });
// // User.beforeRemote('save', function(ctx, user, next) {
// // if(ctx.user.id === user.id) {
// // next();
// // } else {
// // next(new Error('must be logged in to update'))
// // }
// // });
//
// throw new Error('not implemented');
// });
// });
//
// describe('Model.after(name, fn)', function(){
// it('Run a function after a method is called.', function() {
//
// throw new Error('not implemented');
// });
// });
});