loopback-connector-crate/test/TODO.dbdefaults.test.js

Loopback Crate Connector

var should = require('should'),
    assert = require('assert');
var InvalidDefault, Post, db;

describe('database default field values', function () {
    before(function () {
        db = getDataSource();

        Post = db.define('PostWithDbDefaultValue', {
            created: {
                type: 'Date',
                postgresql: {
                    dbDefault: "now()"
                }
            },
            defaultInt: {
                type: 'Number',
                postgresql: {
                    dbDefault: "5"
                }
            },
            oneMore: {
                type: 'Number'
            }
        });

        InvalidDefault = db.define('PostWithInvalidDbDefaultValue', {
            created: {
                type: 'Date',
                postgresql: {
                    dbDefault: "'5'"
                }
            }
        });
    });

    it('should run migration', function (done) {
        db.automigrate('PostWithDbDefaultValue', function () {
            done();
        });
    });

    it('should report inconsistent default values used', function (done) {
        db.automigrate('PostWithInvalidDbDefaultValue', function (err) {
            should.exists(err);
            done();
        });
    });

    it('should have \'now()\' default value in SQL column definition', function (done) {
        var query = "select column_name, data_type, character_maximum_length, column_default " +
            "from information_schema.columns where table_name = 'postwithdbdefaultvalue' and column_name='created'";

        db.connector.query(query, function (err, results) {
            assert.equal(results[0].column_default, "now()");
            done(err);
        });
    });

    it('should create a record with default value', function (done) {
        Post.create({oneMore: 3}, function (err, p) {
            should.not.exists(err);
            Post.findOne({where: {defaultInt: 5}}, function (err, p) {
                should.not.exists(err);
                should.exists(p);
                p.should.have.property('defaultInt', 5);
                done();
            });
        });
    });

    it('should create a record with custom value', function (done) {
        Post.create({oneMore: 2, defaultInt: 6}, function (err, p) {
            should.not.exists(err);
            Post.findOne({where: {defaultInt: 6}}, function (err, p) {
                should.not.exists(err);
                should.exists(p);
                p.should.have.property('defaultInt', 6);
                done();
            });
        });
    });
})