has-one.test.js
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'use strict';
const chai = require('chai'),
expect = chai.expect,
sinon = require('sinon'),
_ = require('lodash'),
Support = require('../support'),
DataTypes = require('../../../lib/data-types'),
current = Support.sequelize;
describe(Support.getTestDialectTeaser('hasOne'), () => {
it('throws when invalid model is passed', () => {
const User = current.define('User');
expect(() => {
User.hasOne();
}).to.throw('User.hasOne called with something that\'s not a subclass of Sequelize.Model');
});
it('warn on invalid options', () => {
const User = current.define('User', {});
const Task = current.define('Task', {});
expect(() => {
User.hasOne(Task, { sourceKey: 'wowow' });
}).to.throw('Unknown attribute "wowow" passed as sourceKey, define this attribute on model "User" first');
});
it('properly use the `as` key to generate foreign key name', () => {
const User = current.define('User', { username: DataTypes.STRING }),
Task = current.define('Task', { title: DataTypes.STRING });
User.hasOne(Task);
expect(Task.rawAttributes.UserId).not.to.be.empty;
User.hasOne(Task, { as: 'Shabda' });
expect(Task.rawAttributes.ShabdaId).not.to.be.empty;
});
it('should not override custom methods with association mixin', () => {
const methods = {
getTask: 'get',
setTask: 'set',
createTask: 'create'
};
const User = current.define('User');
const Task = current.define('Task');
_.each(methods, (alias, method) => {
User.prototype[method] = function() {
const realMethod = this.constructor.associations.task[alias];
expect(realMethod).to.be.a('function');
return realMethod;
};
});
User.hasOne(Task, { as: 'task' });
const user = new User();
_.each(methods, (alias, method) => {
expect(user[method]()).to.be.a('function');
});
});
describe('association hooks', () => {
beforeEach(function() {
this.Projects = this.sequelize.define('Project', { title: DataTypes.STRING });
this.Tasks = this.sequelize.define('Task', { title: DataTypes.STRING });
});
describe('beforeHasOneAssociate', () => {
it('should trigger', function() {
const beforeAssociate = sinon.spy();
this.Projects.hooks.add('beforeAssociate', beforeAssociate);
this.Projects.hasOne(this.Tasks, { hooks: true });
const beforeAssociateArgs = beforeAssociate.getCall(0).args;
expect(beforeAssociate).to.have.been.called;
expect(beforeAssociateArgs.length).to.equal(2);
const firstArg = beforeAssociateArgs[0];
expect(Object.keys(firstArg).join()).to.equal('source,target,type');
expect(firstArg.source).to.equal(this.Projects);
expect(firstArg.target).to.equal(this.Tasks);
expect(firstArg.type.name).to.equal('HasOne');
expect(beforeAssociateArgs[1].sequelize.constructor.name).to.equal('Sequelize');
});
it('should not trigger association hooks', function() {
const beforeAssociate = sinon.spy();
this.Projects.hooks.add('beforeAssociate', beforeAssociate);
this.Projects.hasOne(this.Tasks, { hooks: false });
expect(beforeAssociate).to.not.have.been.called;
});
});
describe('afterHasOneAssociate', () => {
it('should trigger', function() {
const afterAssociate = sinon.spy();
this.Projects.hooks.add('afterAssociate', afterAssociate);
this.Projects.hasOne(this.Tasks, { hooks: true });
const afterAssociateArgs = afterAssociate.getCall(0).args;
expect(afterAssociate).to.have.been.called;
expect(afterAssociateArgs.length).to.equal(2);
const firstArg = afterAssociateArgs[0];
expect(Object.keys(firstArg).join()).to.equal('source,target,type,association');
expect(firstArg.source).to.equal(this.Projects);
expect(firstArg.target).to.equal(this.Tasks);
expect(firstArg.type.name).to.equal('HasOne');
expect(firstArg.association.constructor.name).to.equal('HasOne');
expect(afterAssociateArgs[1].sequelize.constructor.name).to.equal('Sequelize');
});
it('should not trigger association hooks', function() {
const afterAssociate = sinon.spy();
this.Projects.hooks.add('afterAssociate', afterAssociate);
this.Projects.hasOne(this.Tasks, { hooks: false });
expect(afterAssociate).to.not.have.been.called;
});
});
});
});