self.test.js
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'use strict';
const chai = require('chai'),
expect = chai.expect,
Support = require('../support'),
DataTypes = require('../../../lib/data-types'),
Sequelize = require('../../../index'),
Promise = Sequelize.Promise,
_ = require('lodash');
describe(Support.getTestDialectTeaser('Self'), () => {
it('supports freezeTableName', function() {
const Group = this.sequelize.define('Group', {}, {
tableName: 'user_group',
timestamps: false,
underscored: true,
freezeTableName: true
});
Group.belongsTo(Group, { as: 'Parent', foreignKey: 'parent_id' });
return Group.sync({force: true}).then(() => {
return Group.findAll({
include: [{
model: Group,
as: 'Parent'
}]
});
});
});
it('can handle 1:m associations', function() {
const Person = this.sequelize.define('Person', { name: DataTypes.STRING });
Person.hasMany(Person, { as: 'Children', foreignKey: 'parent_id'});
expect(Person.rawAttributes.parent_id).to.be.ok;
return this.sequelize.sync({force: true}).then(() => {
return Promise.all([
Person.create({ name: 'Mary' }),
Person.create({ name: 'John' }),
Person.create({ name: 'Chris' })
]);
}).then(([mary, john, chris]) => {
return mary.setChildren([john, chris]);
});
});
it('can handle n:m associations', function() {
const Person = this.sequelize.define('Person', { name: DataTypes.STRING });
Person.belongsToMany(Person, { as: 'Parents', through: 'Family', foreignKey: 'ChildId', otherKey: 'PersonId' });
Person.belongsToMany(Person, { as: 'Childs', through: 'Family', foreignKey: 'PersonId', otherKey: 'ChildId' });
const foreignIdentifiers = _.values(Person.associations).map(v => v.foreignIdentifier);
const rawAttributes = Object.keys(this.sequelize.models.Family.rawAttributes);
expect(foreignIdentifiers.length).to.equal(2);
expect(rawAttributes.length).to.equal(4);
expect(foreignIdentifiers).to.have.members(['PersonId', 'ChildId']);
expect(rawAttributes).to.have.members(['createdAt', 'updatedAt', 'PersonId', 'ChildId']);
return this.sequelize.sync({ force: true }).then(() => {
return Promise.all([
Person.create({ name: 'Mary' }),
Person.create({ name: 'John' }),
Person.create({ name: 'Chris' })
]).then(([mary, john, chris]) => {
return mary.setParents([john]).then(() => {
return chris.addParent(john);
}).then(() => {
return john.getChilds();
}).then(children => {
expect(children.map(v => v.id)).to.have.members([mary.id, chris.id]);
});
});
});
});
it('can handle n:m associations with pre-defined through table', function() {
const Person = this.sequelize.define('Person', { name: DataTypes.STRING });
const Family = this.sequelize.define('Family', {
preexisting_child: {
type: DataTypes.INTEGER,
primaryKey: true
},
preexisting_parent: {
type: DataTypes.INTEGER,
primaryKey: true
}
}, { timestamps: false });
Person.belongsToMany(Person, { as: 'Parents', through: Family, foreignKey: 'preexisting_child', otherKey: 'preexisting_parent' });
Person.belongsToMany(Person, { as: 'Children', through: Family, foreignKey: 'preexisting_parent', otherKey: 'preexisting_child' });
const foreignIdentifiers = _.values(Person.associations).map(v => v.foreignIdentifier);
const rawAttributes = Object.keys(Family.rawAttributes);
expect(foreignIdentifiers.length).to.equal(2);
expect(rawAttributes.length).to.equal(2);
expect(foreignIdentifiers).to.have.members(['preexisting_parent', 'preexisting_child']);
expect(rawAttributes).to.have.members(['preexisting_parent', 'preexisting_child']);
let count = 0;
return this.sequelize.sync({ force: true }).then(() => {
return Promise.all([
Person.create({ name: 'Mary' }),
Person.create({ name: 'John' }),
Person.create({ name: 'Chris' })
]);
}).then(([mary, john, chris]) => {
this.mary = mary;
this.chris = chris;
this.john = john;
return mary.setParents([john], {
logging(sql) {
if (sql.match(/INSERT/)) {
count++;
expect(sql).to.have.string('preexisting_child');
expect(sql).to.have.string('preexisting_parent');
}
}
});
}).then(() => {
return this.mary.addParent(this.chris, {
logging(sql) {
if (sql.match(/INSERT/)) {
count++;
expect(sql).to.have.string('preexisting_child');
expect(sql).to.have.string('preexisting_parent');
}
}
});
}).then(() => {
return this.john.getChildren({
logging(sql) {
count++;
const whereClause = sql.split('FROM')[1]; // look only in the whereClause
expect(whereClause).to.have.string('preexisting_child');
expect(whereClause).to.have.string('preexisting_parent');
}
});
}).then(children => {
expect(count).to.be.equal(3);
expect(children.map(v => v.id)).to.have.members([this.mary.id]);
});
});
});