loopback-datasource-juggler/test/scope.test.js

133 lines
3.5 KiB
JavaScript

// This test written in mocha+should.js
var should = require('./init.js');
var db, Railway, Station;
describe('scope', function () {
before(function () {
db = getSchema();
Railway = db.define('Railway', {
URID: {type: String, index: true}
}, {
scopes: {
highSpeed: {
where: {
highSpeed: true
}
}
}
});
Station = db.define('Station', {
USID: {type: String, index: true},
capacity: {type: Number, index: true},
thoughput: {type: Number, index: true},
isActive: {type: Boolean, index: true},
isUndeground: {type: Boolean, index: true}
});
});
beforeEach(function (done) {
Railway.destroyAll(function () {
Station.destroyAll(done);
});
});
it('should define scope using options.scopes', function () {
Railway.scopes.should.have.property('highSpeed');
Railway.highSpeed.should.be.function;
});
it('should define scope with query', function (done) {
Station.scope('active', {where: {isActive: true}});
Station.scopes.should.have.property('active');
Station.active.create(function (err, station) {
should.not.exist(err);
should.exist(station);
should.exist(station.isActive);
station.isActive.should.be.true;
done();
});
});
it('should allow scope chaining', function (done) {
Station.scope('active', {where: {isActive: true}});
Station.scope('subway', {where: {isUndeground: true}});
Station.active.subway.create(function (err, station) {
should.not.exist(err);
should.exist(station);
station.isActive.should.be.true;
station.isUndeground.should.be.true;
done();
})
});
it('should query all', function (done) {
Station.scope('active', {where: {isActive: true}});
Station.scope('inactive', {where: {isActive: false}});
Station.scope('ground', {where: {isUndeground: true}});
Station.active.ground.create(function () {
Station.inactive.ground.create(function () {
Station.ground.inactive(function (err, ss) {
ss.should.have.lengthOf(1);
done();
});
});
});
});
});
describe('scope - order', function () {
before(function () {
db = getSchema();
Station = db.define('Station', {
name: {type: String, index: true},
order: {type: Number, index: true}
});
Station.scope('reverse', {order: 'order DESC'});
});
beforeEach(function (done) {
Station.destroyAll(done);
});
beforeEach(function (done) {
Station.create({ name: 'a', order: 1 }, done);
});
beforeEach(function (done) {
Station.create({ name: 'b', order: 2 }, done);
});
beforeEach(function (done) {
Station.create({ name: 'c', order: 3 }, done);
});
it('should define scope with default order', function (done) {
Station.reverse(function(err, stations) {
stations[0].name.should.equal('c');
stations[0].order.should.equal(3);
stations[1].name.should.equal('b');
stations[1].order.should.equal(2);
stations[2].name.should.equal('a');
stations[2].order.should.equal(1);
done();
});
});
it('should override default scope order', function (done) {
Station.reverse({order: 'order ASC'}, function(err, stations) {
stations[0].name.should.equal('a');
stations[0].order.should.equal(1);
stations[1].name.should.equal('b');
stations[1].order.should.equal(2);
stations[2].name.should.equal('c');
stations[2].order.should.equal(3);
done();
});
});
});