loopback-datasource-juggler/test/manipulation.test.js

594 lines
18 KiB
JavaScript

// This test written in mocha+should.js
var should = require('./init.js');
var db, Person;
var ValidationError = require('..').ValidationError;
var UUID_REGEXP = /^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i;
describe('manipulation', function () {
before(function (done) {
db = getSchema();
Person = db.define('Person', {
name: String,
gender: String,
married: Boolean,
age: {type: Number, index: true},
dob: Date,
createdAt: {type: Date, default: Date}
}, { forceId: true });
db.automigrate(done);
});
// A simplified implementation of LoopBack's User model
// to reproduce problems related to properties with dynamic setters
// For the purpose of the tests, we use a counter instead of a hash fn.
var StubUser;
before(function setupStubUserModel(done) {
StubUser = db.createModel('StubUser', { password: String }, { forceId: true });
StubUser.setter.password = function(plain) {
this.$password = plain + '-' + plain.toUpperCase();
};
db.automigrate('StubUser', done);
});
beforeEach(function resetStubPasswordCounter() {
stubPasswordCounter = 0;
});
describe('create', function () {
before(function (done) {
Person.destroyAll(done);
});
it('should create instance', function (done) {
Person.create({name: 'Anatoliy'}, function (err, p) {
p.name.should.equal('Anatoliy');
should.not.exist(err);
should.exist(p);
Person.findById(p.id, function (err, person) {
person.id.should.eql(p.id);
person.name.should.equal('Anatoliy');
done();
});
});
});
it('should instantiate an object', function (done) {
var p = new Person({name: 'Anatoliy'});
p.name.should.equal('Anatoliy');
p.isNewRecord().should.be.true;
p.save(function(err, inst) {
should.not.exist(err);
inst.isNewRecord().should.be.false;
inst.should.equal(p);
done();
});
});
it('should return instance of object', function (done) {
var person = Person.create(function (err, p) {
p.id.should.eql(person.id);
done();
});
should.exist(person);
person.should.be.an.instanceOf(Person);
should.not.exist(person.id);
});
it('should not allow user-defined value for the id of object - create', function (done) {
Person.create({id: 123456}, function (err, p) {
err.should.be.instanceof(ValidationError);
err.statusCode.should.equal(422);
err.details.messages.id.should.eql(['can\'t be set']);
p.should.be.instanceof(Person);
p.id.should.equal(123456);
p.isNewRecord().should.be.true;
done();
});
});
it('should not allow user-defined value for the id of object - save', function (done) {
var p = new Person({id: 123456});
p.isNewRecord().should.be.true;
p.save(function(err, inst) {
err.should.be.instanceof(ValidationError);
err.statusCode.should.equal(422);
err.details.messages.id.should.eql(['can\'t be set']);
inst.id.should.equal(123456);
inst.isNewRecord().should.be.true;
done();
});
});
it('should work when called without callback', function (done) {
Person.afterCreate = function (next) {
this.should.be.an.instanceOf(Person);
this.name.should.equal('Nickolay');
should.exist(this.id);
Person.afterCreate = null;
next();
setTimeout(done, 10);
};
Person.create({name: 'Nickolay'});
});
it('should create instance with blank data', function (done) {
Person.create(function (err, p) {
should.not.exist(err);
should.exist(p);
should.not.exists(p.name);
Person.findById(p.id, function (err, person) {
person.id.should.eql(p.id);
should.not.exists(person.name);
done();
});
});
});
it('should work when called with no data and callback', function (done) {
Person.afterCreate = function (next) {
this.should.be.an.instanceOf(Person);
should.not.exist(this.name);
should.exist(this.id);
Person.afterCreate = null;
next();
setTimeout(done, 30);
};
Person.create();
});
it('should create batch of objects', function (done) {
var batch = [
{name: 'Shaltay'},
{name: 'Boltay'},
{}
];
Person.create(batch,function (e, ps) {
should.not.exist(e);
should.exist(ps);
ps.should.be.instanceOf(Array);
ps.should.have.lengthOf(batch.length);
Person.validatesPresenceOf('name');
Person.create(batch,function (errors, persons) {
delete Person.validations;
should.exist(errors);
errors.should.have.lengthOf(batch.length);
should.not.exist(errors[0]);
should.not.exist(errors[1]);
should.exist(errors[2]);
should.exist(persons);
persons.should.have.lengthOf(batch.length);
persons[0].errors.should.be.false;
done();
}).should.be.instanceOf(Array);
}).should.have.lengthOf(3);
});
it('should create batch of objects with beforeCreate', function(done) {
Person.beforeCreate = function(next, data) {
if (data && data.name === 'A') {
return next(null, {id: 'a', name: 'A'});
} else {
return next();
}
};
var batch = [
{name: 'A'},
{name: 'B'},
undefined
];
Person.create(batch, function(e, ps) {
should.not.exist(e);
should.exist(ps);
ps.should.be.instanceOf(Array);
ps.should.have.lengthOf(batch.length);
ps[0].should.be.eql({id: 'a', name: 'A'});
done();
});
});
it('should preserve properties with "undefined" value', function(done) {
Person.create(
{ name: 'a-name', gender: undefined },
function(err, created) {
if (err) return done(err);
created.toObject().should.have.properties({
id: created.id,
name: 'a-name',
gender: undefined
});
Person.findById(created.id, function(err, found) {
if (err) return done(err);
var result = found.toObject();
result.should.have.properties({
id: created.id,
name: 'a-name'
});
// The gender can be null from a RDB
should.equal(result.gender, null);
done();
});
});
});
});
describe('save', function () {
it('should save new object', function (done) {
var p = new Person;
p.save(function (err) {
should.not.exist(err);
should.exist(p.id);
done();
});
});
it('should save existing object', function (done) {
Person.findOne(function (err, p) {
should.not.exist(err);
p.name = 'Hans';
p.save(function (err) {
should.not.exist(err);
Person.findOne(function (err, p) {
should.not.exist(err);
p.name.should.equal('Hans');
done();
});
});
});
});
it('should save invalid object (skipping validation)', function (done) {
Person.findOne(function (err, p) {
should.not.exist(err);
p.isValid = function (done) {
process.nextTick(done);
return false;
};
p.name = 'Nana';
p.save(function (err) {
should.exist(err);
p.save({validate: false}, function (err) {
should.not.exist(err);
done();
});
});
});
});
it('should save throw error on validation', function () {
Person.findOne(function (err, p) {
should.not.exist(err);
p.isValid = function (cb) {
cb(false);
return false;
};
(function () {
p.save({
'throws': true
});
}).should.throw(ValidationError);
});
});
it('should preserve properties with dynamic setters', function(done) {
// This test reproduces a problem discovered by LoopBack unit-test
// "User.hasPassword() should match a password after it is changed"
StubUser.create({ password: 'foo' }, function(err, created) {
if (err) return done(err);
created.password = 'bar';
created.save(function(err, saved) {
if (err) return done(err);
saved.password.should.equal('bar-BAR');
StubUser.findById(created.id, function(err, found) {
if (err) return done(err);
found.password.should.equal('bar-BAR');
done();
});
});
});
});
});
describe('updateAttributes', function () {
var person;
before(function (done) {
Person.destroyAll(function () {
person = Person.create({name: 'Mary', age: 15}, done);
});
});
it('should update one attribute', function (done) {
person.updateAttribute('name', 'Paul Graham', function (err, p) {
should.not.exist(err);
Person.all(function (e, ps) {
should.not.exist(err);
ps.should.have.lengthOf(1);
ps.pop().name.should.equal('Paul Graham');
done();
});
});
});
it('should ignore undefined values on updateAttributes', function(done) {
person.updateAttributes({'name': 'John', age: undefined},
function(err, p) {
should.not.exist(err);
Person.findById(p.id, function(e, p) {
should.not.exist(err);
p.name.should.equal('John');
p.age.should.equal(15);
done();
});
});
});
it('should allows model instance on updateAttributes', function(done) {
person.updateAttributes(new Person({'name': 'John', age: undefined}),
function(err, p) {
should.not.exist(err);
Person.findById(p.id, function(e, p) {
should.not.exist(err);
p.name.should.equal('John');
p.age.should.equal(15);
done();
});
});
});
});
describe('updateOrCreate', function() {
it('should preserve properties with dynamic setters on create', function(done) {
StubUser.updateOrCreate({ password: 'foo' }, function(err, created) {
if (err) return done(err);
created.password.should.equal('foo-FOO');
StubUser.findById(created.id, function(err, found) {
if (err) return done(err);
found.password.should.equal('foo-FOO');
done();
});
});
});
it('should preserve properties with dynamic setters on update', function(done) {
StubUser.create({ password: 'foo' }, function(err, created) {
if (err) return done(err);
var data = { id: created.id, password: 'bar' };
StubUser.updateOrCreate(data, function(err, updated) {
if (err) return done(err);
updated.password.should.equal('bar-BAR');
StubUser.findById(created.id, function(err, found) {
if (err) return done(err);
found.password.should.equal('bar-BAR');
done();
});
});
});
});
it('should preserve properties with "undefined" value', function(done) {
Person.create(
{ name: 'a-name', gender: undefined },
function(err, instance) {
if (err) return done(err);
instance.toObject().should.have.properties({
id: instance.id,
name: 'a-name',
gender: undefined
});
Person.updateOrCreate(
{ id: instance.id, name: 'updated name' },
function(err, updated) {
if (err) return done(err);
var result = updated.toObject();
result.should.have.properties({
id: instance.id,
name: 'updated name'
});
should.equal(result.gender, null);
done();
});
});
});
});
describe('destroy', function () {
it('should destroy record', function (done) {
Person.create(function (err, p) {
p.destroy(function (err) {
should.not.exist(err);
Person.exists(p.id, function (err, ex) {
ex.should.not.be.ok;
done();
});
});
});
});
it('should destroy all records', function (done) {
Person.destroyAll(function (err) {
should.not.exist(err);
Person.all(function (err, posts) {
posts.should.have.lengthOf(0);
Person.count(function (err, count) {
count.should.eql(0);
done();
});
});
});
});
// TODO: implement destroy with filtered set
it('should destroy filtered set of records');
});
describe('initialize', function () {
it('should initialize object properly', function () {
var hw = 'Hello word',
now = Date.now(),
person = new Person({name: hw});
person.name.should.equal(hw);
person.name = 'Goodbye, Lenin';
(person.createdAt >= now).should.be.true;
person.isNewRecord().should.be.true;
});
it('should report current date when using $now as default value for date property',
function (done) {
var CustomModel = db.define('CustomModel', {
createdAt: { type: Date, default: '$now' }
});
var now = Date.now();
var myCustomModel = CustomModel.create(function (err, m) {
m.createdAt.should.be.instanceOf(Date);
(m.createdAt >= now).should.be.true;
});
done();
});
it('should report \'$now\' when using $now as default value for string property',
function (done) {
var CustomModel = db.define('CustomModel', {
now: { type: String, default: '$now' }
});
var myCustomModel = CustomModel.create(function (err, m) {
m.now.should.be.instanceOf(String);
m.now.should.equal('$now');
});
done();
});
it('should generate a new id when "defaultFn" is "guid"', function (done) {
var CustomModel = db.define('CustomModel', {
guid: { type: String, defaultFn: 'guid' }
});
var inst = CustomModel.create(function (err, m) {
m.guid.should.match(UUID_REGEXP);
done();
});
});
it('should generate a new id when "defaultfn" is "uuid"', function (done) {
var CustomModel = db.define('custommodel', {
guid: { type: String, defaultFn: 'uuid' }
});
var inst = CustomModel.create(function (err, m) {
m.guid.should.match(UUID_REGEXP);
done();
});
});
it('should generate current time when "defaultFn" is "now"', function (done) {
var CustomModel = db.define('CustomModel', {
now: { type: Date, defaultFn: 'now' }
});
var now = Date.now();
var inst = CustomModel.create(function (err, m) {
m.now.should.be.instanceOf(Date);
m.now.should.be.within(now, now + 200);
done();
});
});
// it('should work when constructor called as function', function() {
// var p = Person({name: 'John Resig'});
// p.should.be.an.instanceOf(Person);
// p.name.should.equal('John Resig');
// });
});
describe('property value coercion', function () {
it('should coerce boolean types properly', function() {
var p1 = new Person({name: 'John', married: 'false'});
p1.married.should.equal(false);
p1 = new Person({name: 'John', married: 'true'});
p1.married.should.equal(true);
p1 = new Person({name: 'John', married: '1'});
p1.married.should.equal(true);
p1 = new Person({name: 'John', married: '0'});
p1.married.should.equal(false);
p1 = new Person({name: 'John', married: true});
p1.married.should.equal(true);
p1 = new Person({name: 'John', married: false});
p1.married.should.equal(false);
p1 = new Person({name: 'John', married: 'null'});
p1.married.should.equal(true);
p1 = new Person({name: 'John', married: ''});
p1.married.should.equal(false);
p1 = new Person({name: 'John', married: 'X'});
p1.married.should.equal(true);
p1 = new Person({name: 'John', married: 0});
p1.married.should.equal(false);
p1 = new Person({name: 'John', married: 1});
p1.married.should.equal(true);
p1 = new Person({name: 'John', married: null});
p1.should.have.property('married', null);
p1 = new Person({name: 'John', married: undefined});
p1.should.have.property('married', undefined);
});
it('should coerce boolean types properly', function() {
var p1 = new Person({name: 'John', dob: '2/1/2015'});
p1.dob.should.eql(new Date('2/1/2015'));
p1 = new Person({name: 'John', dob: '2/1/2015'});
p1.dob.should.eql(new Date('2/1/2015'));
p1 = new Person({name: 'John', dob: '12'});
p1.dob.should.eql(new Date('12'));
p1 = new Person({name: 'John', dob: 12});
p1.dob.should.eql(new Date(12));
p1 = new Person({name: 'John', dob: null});
p1.should.have.property('dob', null);
p1 = new Person({name: 'John', dob: undefined});
p1.should.have.property('dob', undefined);
try {
p1 = new Person({name: 'John', dob: 'X'});
throw new Error('new Person() should have thrown');
} catch (e) {
e.should.be.eql(new Error('Invalid date: X'));
}
});
});
});