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

413 lines
12 KiB
JavaScript

// Copyright IBM Corp. 2013,2016. All Rights Reserved.
// Node module: loopback-datasource-juggler
// This file is licensed under the MIT License.
// License text available at https://opensource.org/licenses/MIT
// This test written in mocha+should.js
'use strict';
/* global getSchema:false */
const should = require('./init.js');
let db, Model, modelWithDecimalArray, dateArrayModel, numArrayModel;
class NestedClass {
constructor(roleName) {
this.roleName = roleName;
}
}
describe('datatypes', function() {
before(function(done) {
db = getSchema();
const Nested = db.define('Nested', {});
const modelTableSchema = {
str: String,
date: Date,
num: Number,
bool: Boolean,
list: {type: [String]},
arr: Array,
nested: Nested,
nestedClass: NestedClass,
};
Model = db.define('Model', modelTableSchema);
modelWithDecimalArray = db.define('modelWithDecimalArray', {
randomReview: {
type: [String],
mongodb: {
dataType: 'Decimal128',
},
},
});
dateArrayModel = db.define('dateArrayModel', {
bunchOfDates: [Date],
bunchOfOtherDates: {
type: [Date],
},
});
numArrayModel = db.define('numArrayModel', {
bunchOfNums: [Number],
});
db.automigrate(['Model', 'modelWithDecimalArray', 'dateArrayModel', 'numArrayModel'], done);
});
it('should resolve top-level "type" property correctly', function() {
const Account = db.define('Account', {
type: String,
id: String,
});
Account.definition.properties.type.type.should.equal(String);
});
it('should resolve "type" sub-property correctly', function() {
const Account = db.define('Account', {
item: {type: {
itemname: {type: String},
type: {type: String},
}},
});
Account.definition.properties.item.type.should.not.equal(String);
});
it('should resolve array prop with connector specific metadata', function() {
const props = modelWithDecimalArray.definition.properties;
props.randomReview.type.should.deepEqual(Array(String));
props.randomReview.mongodb.should.deepEqual({dataType: 'Decimal128'});
});
it('should coerce array of dates from string', async () => {
const dateVal = new Date('2019-02-21T12:00:00').toISOString();
const created = await dateArrayModel.create({
bunchOfDates: [dateVal,
dateVal,
dateVal],
bunchOfOtherDates: [dateVal,
dateVal,
dateVal],
});
created.bunchOfDates[0].should.be.an.instanceOf(Date);
created.bunchOfDates[0].should.deepEqual(new Date(dateVal));
created.bunchOfOtherDates[0].should.be.an.instanceOf(Date);
created.bunchOfOtherDates[0].should.deepEqual(new Date(dateVal));
});
it('should coerce array of numbers from string', async () => {
const dateVal = new Date('2019-02-21T12:00:00').toISOString();
const created = await numArrayModel.create({
bunchOfNums: ['1',
'2',
'3'],
});
created.bunchOfNums[0].should.be.an.instanceOf(Number);
created.bunchOfNums[0].should.equal(1);
});
it('should return 400 when property of type array is set to string value',
function(done) {
const myModel = db.define('myModel', {
list: {type: ['object']},
});
myModel.create({list: 'This string will crash the server'}, function(err) {
(err.statusCode).should.equal(400);
done();
});
});
it('should return 400 when property of type array is set to object value',
function(done) {
const myModel = db.define('myModel', {
list: {type: ['object']},
});
myModel.create({list: {key: 'This string will crash the server'}}, function(err) {
(err.statusCode).should.equal(400);
done();
});
});
it('should keep types when get read data from db', function(done) {
const d = new Date('2015-01-01T12:00:00');
let id;
Model.create({
str: 'hello', date: d, num: '3', bool: 1, list: ['test'], arr: [1, 'str'],
}, function(err, m) {
should.not.exists(err);
should.exist(m && m.id);
m.str.should.be.type('string');
m.num.should.be.type('number');
m.bool.should.be.type('boolean');
m.list[0].should.be.equal('test');
m.arr[0].should.be.equal(1);
m.arr[1].should.be.equal('str');
id = m.id;
testFind(testAll);
});
function testFind(next) {
Model.findById(id, function(err, m) {
should.not.exist(err);
should.exist(m);
m.str.should.be.type('string');
m.num.should.be.type('number');
m.bool.should.be.type('boolean');
m.list[0].should.be.equal('test');
m.arr[0].should.be.equal(1);
m.arr[1].should.be.equal('str');
m.date.should.be.an.instanceOf(Date);
m.date.toString().should.equal(d.toString(), 'Time must match');
next();
});
}
function testAll() {
Model.findOne(function(err, m) {
should.not.exist(err);
should.exist(m);
m.str.should.be.type('string');
m.num.should.be.type('number');
m.bool.should.be.type('boolean');
m.date.should.be.an.instanceOf(Date);
m.date.toString().should.equal(d.toString(), 'Time must match');
done();
});
}
});
it('should create nested object defined by a class when reading data from db', async () => {
const d = new Date('2015-01-01T12:00:00');
let id;
const created = await Model.create({
date: d,
list: ['test'],
arr: [1, 'str'],
nestedClass: new NestedClass('admin'),
});
created.list.toJSON().should.deepEqual(['test']);
created.arr.toJSON().should.deepEqual([1, 'str']);
created.date.should.be.an.instanceOf(Date);
created.date.toString().should.equal(d.toString(), 'Time must match');
created.nestedClass.should.have.property('roleName', 'admin');
const found = await Model.findById(created.id);
should.exist(found);
found.list.toJSON().should.deepEqual(['test']);
found.arr.toJSON().should.deepEqual([1, 'str']);
found.date.should.be.an.instanceOf(Date);
found.date.toString().should.equal(d.toString(), 'Time must match');
found.nestedClass.should.have.property('roleName', 'admin');
});
it('should respect data types when updating attributes', function(done) {
const d = new Date;
let id;
Model.create({
str: 'hello', date: d, num: '3', bool: 1}, function(err, m) {
should.not.exist(err);
should.exist(m && m.id);
// sanity check initial types
m.str.should.be.type('string');
m.num.should.be.type('number');
m.bool.should.be.type('boolean');
id = m.id;
testDataInDB(function() {
testUpdate(function() {
testDataInDB(done);
});
});
});
function testUpdate(done) {
Model.findById(id, function(err, m) {
should.not.exist(err);
// update using updateAttributes
m.updateAttributes({
id: m.id, num: 10,
}, function(err, m) {
should.not.exist(err);
m.num.should.be.type('number');
done();
});
});
}
function testDataInDB(done) {
// verify that the value stored in the db is still an object
function cb(err, data) {
should.exist(data);
data.num.should.be.type('number');
done();
}
if (db.connector.find.length === 4) {
db.connector.find(Model.modelName, id, {}, cb);
} else {
db.connector.find(Model.modelName, id, cb);
}
}
});
it('should not coerce nested objects into ModelConstructor types', function() {
const coerced = Model._coerce({nested: {foo: 'bar'}});
coerced.nested.constructor.name.should.equal('Object');
});
it('rejects array value converted to NaN for a required property',
function(done) {
db = getSchema();
Model = db.define('RequiredNumber', {
num: {type: Number, required: true},
});
db.automigrate(['Model'], function() {
Model.create({num: [1, 2, 3]}, function(err, inst) {
should.exist(err);
err.should.have.property('name').equal('ValidationError');
done();
});
});
});
it('handles null data', (done) => {
db = getSchema();
Model = db.define('HandleNullModel', {
data: {type: 'string'},
});
db.automigrate(['HandleNullModel'], function() {
const a = new Model(null);
done();
});
});
describe('model option persistUndefinedAsNull', function() {
let TestModel, isStrict;
before(function(done) {
db = getSchema();
TestModel = db.define(
'TestModel',
{
name: {type: String, required: false},
desc: {type: String, required: false},
stars: {type: Number, required: false},
},
{
persistUndefinedAsNull: true,
}
);
isStrict = TestModel.definition.settings.strict;
db.automigrate(['TestModel'], done);
});
it('should set missing optional properties to null', function(done) {
const EXPECTED = {desc: null, stars: null};
TestModel.create({name: 'a-test-name'}, function(err, created) {
if (err) return done(err);
created.should.have.properties(EXPECTED);
TestModel.findById(created.id, function(err, found) {
if (err) return done(err);
found.should.have.properties(EXPECTED);
done();
});
});
});
it('should convert property value undefined to null', function(done) {
const EXPECTED = {desc: null, extra: null};
const data = {desc: undefined, extra: undefined};
if (isStrict) {
// SQL-based connectors don't support dynamic properties
delete EXPECTED.extra;
delete data.extra;
}
TestModel.create(data, function(err, created) {
if (err) return done(err);
created.should.have.properties(EXPECTED);
TestModel.findById(created.id, function(err, found) {
if (err) return done(err);
found.should.have.properties(EXPECTED);
done();
});
});
});
it('should convert undefined to null in the setter', function() {
const inst = new TestModel();
inst.desc = undefined;
inst.should.have.property('desc', null);
inst.toObject().should.have.property('desc', null);
});
it('should use null in unsetAttribute()', function() {
const inst = new TestModel();
inst.unsetAttribute('stars');
inst.should.have.property('stars', null);
inst.toObject().should.have.property('stars', null);
});
it('should convert undefined to null on save', function(done) {
const EXPECTED = {desc: null, stars: null, extra: null, dx: null};
if (isStrict) {
// SQL-based connectors don't support dynamic properties
delete EXPECTED.extra;
delete EXPECTED.dx;
}
TestModel.create({}, function(err, created) {
if (err) return done(err);
created.desc = undefined; // Note: this is may be a no-op
created.unsetAttribute('stars');
created.extra = undefined;
created.__data.dx = undefined;
created.save(function(err, saved) {
if (err) return done(err);
created.should.have.properties(EXPECTED);
saved.should.have.properties(EXPECTED);
function cb(err, found) {
if (err) return done(err);
should.exist(found[0]);
found[0].should.have.properties(EXPECTED);
done();
}
if (TestModel.dataSource.connector.all.length === 4) {
TestModel.dataSource.connector.all(
TestModel.modelName,
{where: {id: created.id}},
{},
cb
);
} else {
TestModel.dataSource.connector.all(
TestModel.modelName,
{where: {id: created.id}},
cb
);
}
});
});
});
it('should convert undefined to null in toObject()', function() {
const inst = new TestModel();
inst.desc = undefined; // Note: this may be a no-op
inst.unsetAttribute('stars');
inst.extra = undefined;
inst.__data.dx = undefined;
inst.toObject(false).should.have.properties({
desc: null, stars: null, extra: null, dx: null,
});
});
});
});