findAndCountAll.test.js
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'use strict';
var chai = require('chai')
, expect = chai.expect
, Support = require(__dirname + '/../support')
, DataTypes = require(__dirname + '/../../../lib/data-types')
, Promise = require('bluebird');
describe(Support.getTestDialectTeaser('Include'), function() {
describe('findAndCountAll', function() {
it('should be able to include a required model. Result rows should match count', function() {
var User = this.sequelize.define('User', { name: DataTypes.STRING(40) }, { paranoid: true }),
SomeConnection = this.sequelize.define('SomeConnection', {
m: DataTypes.STRING(40),
fk: DataTypes.INTEGER,
u: DataTypes.INTEGER
}, { paranoid: true }),
A = this.sequelize.define('A', { name: DataTypes.STRING(40) }, { paranoid: true }),
B = this.sequelize.define('B', { name: DataTypes.STRING(40) }, { paranoid: true }),
C = this.sequelize.define('C', { name: DataTypes.STRING(40) }, { paranoid: true });
// Associate them
User.hasMany(SomeConnection, { foreignKey: 'u', constraints: false });
SomeConnection.belongsTo(User, { foreignKey: 'u', constraints: false });
SomeConnection.belongsTo(A, { foreignKey: 'fk', constraints: false });
SomeConnection.belongsTo(B, { foreignKey: 'fk', constraints: false });
SomeConnection.belongsTo(C, { foreignKey: 'fk', constraints: false });
A.hasMany(SomeConnection, { foreignKey: 'fk', constraints: false });
B.hasMany(SomeConnection, { foreignKey: 'fk', constraints: false });
C.hasMany(SomeConnection, { foreignKey: 'fk', constraints: false });
// Sync them
return this.sequelize.sync({ force: true }).then(function () {
// Create an enviroment
return Promise.join(
User.bulkCreate([
{ name: 'Youtube' },
{ name: 'Facebook' },
{ name: 'Google' },
{ name: 'Yahoo' },
{ name: '404' }
]),
SomeConnection.bulkCreate([ // Lets count, m: A and u: 1
{ u: 1, m: 'A', fk: 1 }, // 1 // Will be deleted
{ u: 2, m: 'A', fk: 1 },
{ u: 3, m: 'A', fk: 1 },
{ u: 4, m: 'A', fk: 1 },
{ u: 5, m: 'A', fk: 1 },
{ u: 1, m: 'B', fk: 1 },
{ u: 2, m: 'B', fk: 1 },
{ u: 3, m: 'B', fk: 1 },
{ u: 4, m: 'B', fk: 1 },
{ u: 5, m: 'B', fk: 1 },
{ u: 1, m: 'C', fk: 1 },
{ u: 2, m: 'C', fk: 1 },
{ u: 3, m: 'C', fk: 1 },
{ u: 4, m: 'C', fk: 1 },
{ u: 5, m: 'C', fk: 1 },
{ u: 1, m: 'A', fk: 2 }, // 2 // Will be deleted
{ u: 4, m: 'A', fk: 2 },
{ u: 2, m: 'A', fk: 2 },
{ u: 1, m: 'A', fk: 3 }, // 3
{ u: 2, m: 'A', fk: 3 },
{ u: 3, m: 'A', fk: 3 },
{ u: 2, m: 'B', fk: 2 },
{ u: 1, m: 'A', fk: 4 }, // 4
{ u: 4, m: 'A', fk: 2 }
]),
A.bulkCreate([
{ name: 'Just' },
{ name: 'for' },
{ name: 'testing' },
{ name: 'proposes' },
{ name: 'only' }
]),
B.bulkCreate([
{ name: 'this should not' },
{ name: 'be loaded' }
]),
C.bulkCreate([
{ name: 'because we only want A' }
])
).then(function () {
// Delete some of conns to prove the concept
return SomeConnection.destroy({where: {
m: 'A',
u: 1,
fk: [1, 2]
}}).then(function() {
// Last and most important queries ( we connected 4, but deleted 2, witch means we must get 2 only )
return A.findAndCountAll({
include: [{
model: SomeConnection, required: true,
where: {
m: 'A', // Pseudo Polymorphy
u: 1
}
}],
limit: 5
}).then(function(result ) {
expect(result.count).to.be.equal(2);
expect(result.rows.length).to.be.equal(2);
});
});
});
});
});
it('should count on a where and not use an uneeded include', function() {
var Project = this.sequelize.define('Project', {
id: { type: DataTypes.INTEGER, allowNull: false, primaryKey: true, autoIncrement: true },
project_name: { type: DataTypes.STRING}
});
var User = this.sequelize.define('User', {
id: { type: DataTypes.INTEGER, allowNull: false, primaryKey: true, autoIncrement: true },
user_name: { type: DataTypes.STRING }
});
User.hasMany(Project);
var userId = null;
return User.sync({force: true}).then(function() {
return Project.sync({force: true});
}).then(function() {
return Promise.all([User.create(), Project.create(), Project.create(), Project.create()]);
}).then(function(results) {
var user = results[0];
userId = user.id;
return user.setProjects([results[1], results[2], results[3]]);
}).then(function() {
return User.findAndCountAll({
where: {id: userId},
include: [Project]
});
}).then(function(result) {
expect(result.rows.length).to.equal(1);
expect(result.rows[0].Projects.length).to.equal(3);
expect(result.count).to.equal(1);
});
});
it('should return the correct count and rows when using a required belongsTo and a limit', function() {
var s = this.sequelize
, Foo = s.define('Foo', {})
, Bar = s.define('Bar', {});
Foo.hasMany(Bar);
Bar.belongsTo(Foo);
return s.sync({ force: true }).then(function() {
// Make five instances of Foo
return Foo.bulkCreate([{id: 1}, {id: 2}, {id: 3}, {id: 4}, {id: 5}]);
}).then(function() {
// Make four instances of Bar, related to the last four instances of Foo
return Bar.bulkCreate([{'FooId': 2}, {'FooId': 3}, {'FooId': 4}, {'FooId': 5}]);
}).then(function() {
// Query for the first two instances of Foo which have related Bars
return Foo.findAndCountAll({
include: [{ model: Bar, required: true }],
limit: 2
}).tap(function() {
return Foo.findAll({
include: [{ model: Bar, required: true }],
limit: 2
}).then(function(items) {
expect(items.length).to.equal(2);
});
});
}).then(function(result) {
expect(result.count).to.equal(4);
// The first two of those should be returned due to the limit (Foo
// instances 2 and 3)
expect(result.rows.length).to.equal(2);
});
});
it('should return the correct count and rows when using a required belongsTo with a where condition and a limit', function() {
var Foo = this.sequelize.define('Foo', {})
, Bar = this.sequelize.define('Bar', {m: DataTypes.STRING(40)});
Foo.hasMany(Bar);
Bar.belongsTo(Foo);
return this.sequelize.sync({ force: true }).then(function() {
return Foo.bulkCreate([{id: 1}, {id: 2}, {id: 3}, {id: 4}, {id: 5}]);
}).then(function() {
// Make four instances of Bar, related to the first two instances of Foo
return Bar.bulkCreate([{'FooId': 1, m:'yes'}, {'FooId': 1, m:'yes'}, {'FooId': 1, m: 'no'}, {'FooId': 2, m: 'yes'}]);
}).then(function() {
// Query for the first instance of Foo which have related Bars with m === 'yes'
return Foo.findAndCountAll({
include: [{ model: Bar, where: { m: 'yes' } }],
limit: 1
});
}).then(function(result) {
// There should be 2 instances matching the query (Instances 1 and 2), see the findAll statement
expect(result.count).to.equal(2);
// The first one of those should be returned due to the limit (Foo instance 1)
expect(result.rows.length).to.equal(1);
});
});
});
});