find-create-find.test.js
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'use strict';
const chai = require('chai'),
expect = chai.expect,
Support = require('../support'),
UniqueConstraintError = require('../../../lib/errors').UniqueConstraintError,
current = Support.sequelize,
sinon = require('sinon');
describe(Support.getTestDialectTeaser('Model'), () => {
describe('findCreateFind', () => {
const Model = current.define('Model', {});
beforeEach(function() {
this.sinon = sinon.createSandbox();
});
afterEach(function() {
this.sinon.restore();
});
it('should return the result of the first find call if not empty', async function() {
const result = {},
where = { prop: Math.random().toString() },
findSpy = this.sinon.stub(Model, 'findOne').resolves(result);
await expect(Model.findCreateFind({
where
})).to.eventually.eql([result, false]);
expect(findSpy).to.have.been.calledOnce;
expect(findSpy.getCall(0).args[0].where).to.equal(where);
});
it('should create if first find call is empty', async function() {
const result = {},
where = { prop: Math.random().toString() },
createSpy = this.sinon.stub(Model, 'create').resolves(result);
this.sinon.stub(Model, 'findOne').resolves(null);
await expect(Model.findCreateFind({
where
})).to.eventually.eql([result, true]);
expect(createSpy).to.have.been.calledWith(where);
});
it('should do a second find if create failed do to unique constraint', async function() {
const result = {},
where = { prop: Math.random().toString() },
findSpy = this.sinon.stub(Model, 'findOne');
this.sinon.stub(Model, 'create').rejects(new UniqueConstraintError());
findSpy.onFirstCall().resolves(null);
findSpy.onSecondCall().resolves(result);
await expect(Model.findCreateFind({
where
})).to.eventually.eql([result, false]);
expect(findSpy).to.have.been.calledTwice;
expect(findSpy.getCall(1).args[0].where).to.equal(where);
});
});
});