count.test.js
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'use strict';
const chai = require('chai'),
expect = chai.expect,
Support = require('../support'),
DataTypes = require('../../../lib/data-types');
describe(Support.getTestDialectTeaser('Model'), () => {
beforeEach(function() {
this.User = this.sequelize.define('User', {
username: DataTypes.STRING,
age: DataTypes.INTEGER
});
this.Project = this.sequelize.define('Project', {
name: DataTypes.STRING
});
this.User.hasMany(this.Project);
this.Project.belongsTo(this.User);
return this.sequelize.sync({force: true});
});
describe('count', () => {
beforeEach(function() {
const self = this;
return this.User.bulkCreate([
{username: 'boo'},
{username: 'boo2'}
]).then(() => {
return self.User.findOne();
}).then(user => {
return user.createProject({
name: 'project1'
});
});
});
it('should count rows', function() {
return expect(this.User.count()).to.eventually.equal(2);
});
it('should support include', function() {
return expect(this.User.count({
include: [{
model: this.Project,
where: {
name: 'project1'
}
}]
})).to.eventually.equal(1);
});
it('should return attributes', function() {
return this.User.create({
username: 'valak',
createdAt: (new Date()).setFullYear(2015)
})
.then(() =>
this.User.count({
attributes: ['createdAt'],
group: ['createdAt']
})
)
.then(users => {
expect(users.length).to.be.eql(2);
// have attributes
expect(users[0].createdAt).to.exist;
expect(users[1].createdAt).to.exist;
});
});
it('should not return NaN', function() {
return this.sequelize.sync({ force: true })
.then(() =>
this.User.bulkCreate([
{ username: 'valak', age: 10},
{ username: 'conjuring', age: 20},
{ username: 'scary', age: 10}
])
)
.then(() =>
this.User.count({
where: { age: 10 },
group: ['age'],
order: ['age']
})
)
.then(result => {
expect(parseInt(result[0].count)).to.be.eql(2);
return this.User.count({
where: { username: 'fire' }
});
})
.then(count => {
expect(count).to.be.eql(0);
return this.User.count({
where: { username: 'fire' },
group: 'age'
});
})
.then(count => {
expect(count).to.be.eql([]);
});
});
it('should be able to specify column for COUNT()', function() {
return this.sequelize.sync({ force: true })
.then(() =>
this.User.bulkCreate([
{ username: 'ember', age: 10},
{ username: 'angular', age: 20},
{ username: 'mithril', age: 10}
])
)
.then(() =>
this.User.count({
col: 'username'
})
)
.then(count => {
expect(parseInt(count)).to.be.eql(3);
return this.User.count({
col: 'age',
distinct: true
});
})
.then(count => {
expect(parseInt(count)).to.be.eql(2);
});
});
it('should be able to use where clause on included models', function() {
const queryObject = {
col: 'username',
include: [this.Project],
where: {
'$Projects.name$': 'project1'
}
};
return this.User.count(queryObject).then(count => {
expect(parseInt(count)).to.be.eql(1);
queryObject.where['$Projects.name$'] = 'project2';
return this.User.count(queryObject);
}).then(count => {
expect(parseInt(count)).to.be.eql(0);
});
});
it('should be able to specify column for COUNT() with includes', function() {
return this.sequelize.sync({ force: true }).then(() =>
this.User.bulkCreate([
{ username: 'ember', age: 10},
{ username: 'angular', age: 20},
{ username: 'mithril', age: 10}
])
).then(() =>
this.User.count({
col: 'username',
distinct: true,
include: [this.Project]
})
).then(count => {
expect(parseInt(count)).to.be.eql(3);
return this.User.count({
col: 'age',
distinct: true,
include: [this.Project]
});
}).then(count => expect(parseInt(count)).to.be.eql(2));
});
});
});