self.test.js
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'use strict';
/* jshint -W030 */
var chai = require('chai')
, expect = chai.expect
, Support = require(__dirname + '/../support')
, DataTypes = require(__dirname + '/../../../lib/data-types')
, Sequelize = require(__dirname + '/../../../index')
, Promise = Sequelize.Promise
, _ = require('lodash');
describe(Support.getTestDialectTeaser('Self'), function() {
it('supports freezeTableName', function() {
var 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(function() {
return Group.findAll({
include: [{
model: Group,
as: 'Parent'
}]
});
});
});
it('can handle 1:m associations', function() {
var 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(function() {
return Promise.all([
Person.create({ name: 'Mary' }),
Person.create({ name: 'John' }),
Person.create({ name: 'Chris' })
]);
}).spread(function(mary, john, chris) {
return mary.setChildren([john, chris]);
});
});
it('can handle n:m associations', function() {
var self = this;
var 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' });
var foreignIdentifiers = _.map(_.values(Person.associations), 'foreignIdentifier');
var rawAttributes = _.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(function() {
return self.sequelize.Promise.all([
Person.create({ name: 'Mary' }),
Person.create({ name: 'John' }),
Person.create({ name: 'Chris' })
]).spread(function(mary, john, chris) {
return mary.setParents([john]).then(function() {
return chris.addParent(john);
}).then(function() {
return john.getChilds();
}).then(function(children) {
expect(_.map(children, 'id')).to.have.members([mary.id, chris.id]);
});
});
});
});
it('can handle n:m associations with pre-defined through table', function() {
var Person = this.sequelize.define('Person', { name: DataTypes.STRING });
var 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' });
var foreignIdentifiers = _.map(_.values(Person.associations), 'foreignIdentifier');
var rawAttributes = _.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']);
var count = 0;
return this.sequelize.sync({ force: true }).bind(this).then(function() {
return Promise.all([
Person.create({ name: 'Mary' }),
Person.create({ name: 'John' }),
Person.create({ name: 'Chris' })
]);
}).spread(function(mary, john, chris) {
this.mary = mary;
this.chris = chris;
this.john = john;
return mary.setParents([john], {
logging: function(sql) {
if (sql.match(/INSERT/)) {
count++;
expect(sql).to.have.string('preexisting_child');
expect(sql).to.have.string('preexisting_parent');
}
}
});
}).then(function() {
return this.mary.addParent(this.chris, {
logging: function(sql) {
if (sql.match(/INSERT/)) {
count++;
expect(sql).to.have.string('preexisting_child');
expect(sql).to.have.string('preexisting_parent');
}
}
});
}).then(function() {
return this.john.getChildren({
logging: function(sql) {
count++;
var 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(function(children) {
expect(count).to.be.equal(3);
expect(_.map(children, 'id')).to.have.members([this.mary.id]);
});
});
});