278 lines
8.6 KiB
JavaScript
278 lines
8.6 KiB
JavaScript
// Copyright IBM Corp. 2013,2016. All Rights Reserved.
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// Node module: loopback-connector-mysql
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// This file is licensed under the MIT License.
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// License text available at https://opensource.org/licenses/MIT
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process.env.NODE_ENV = 'test';
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require('should');
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var assert = require('assert');
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var DataSource = require('loopback-datasource-juggler').DataSource;
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var db, config;
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before(function () {
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require('./init');
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config = getConfig();
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config.database = 'STRONGLOOP';
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db = new DataSource(require('../'), config);
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});
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describe('discoverModels', function () {
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describe('Discover database schemas', function() {
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it('should return an array of db schemas', function(done) {
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db.connector.discoverDatabaseSchemas(function(err, schemas) {
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if (err) return done(err);
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schemas.should.be.an.array;
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schemas.length.should.be.above(0);
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done();
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});
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});
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});
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describe('Discover models including views', function () {
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it('should return an array of tables and views', function (done) {
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db.discoverModelDefinitions({
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views: true,
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limit: 3
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}, function (err, models) {
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if (err) {
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console.error(err);
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done(err);
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} else {
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var views = false;
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models.forEach(function (m) {
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// console.dir(m);
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if (m.type === 'view') {
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views = true;
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}
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});
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assert(views, 'Should have views');
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done(null, models);
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}
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});
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});
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});
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describe('Discover current user\'s tables', function () {
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it('should return an array of tables for the current user', function (done) {
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db.discoverModelDefinitions({
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limit: 3
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}, function (err, models) {
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if (err) {
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console.error(err);
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done(err);
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} else {
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var views = false;
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models.forEach(function (m) {
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assert.equal(m.owner, config.username);
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});
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done(null, models);
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}
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});
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});
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});
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describe('Discover models excluding views', function () {
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// TODO: this test assumes the current user owns the tables
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it.skip('should return an array of only tables', function (done) {
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db.discoverModelDefinitions({
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views: false,
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limit: 3
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}, function (err, models) {
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if (err) {
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console.error(err);
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done(err);
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} else {
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var views = false;
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models.forEach(function (m) {
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// console.dir(m);
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if (m.type === 'view') {
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views = true;
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}
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});
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models.should.have.length(3);
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assert(!views, 'Should not have views');
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done(null, models);
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}
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});
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});
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});
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});
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describe('Discover models including other users', function () {
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it('should return an array of all tables and views', function (done) {
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db.discoverModelDefinitions({
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all: true,
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limit: 3
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}, function (err, models) {
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if (err) {
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console.error(err);
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done(err);
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} else {
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var others = false;
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models.forEach(function (m) {
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// console.dir(m);
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if (m.owner !== 'STRONGLOOP') {
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others = true;
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}
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});
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assert(others, 'Should have tables/views owned by others');
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done(err, models);
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}
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});
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});
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});
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describe('Discover model properties', function () {
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describe('Discover a named model', function () {
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it('should return an array of columns for PRODUCT', function (done) {
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db.discoverModelProperties('PRODUCT', function (err, models) {
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if (err) {
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console.error(err);
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done(err);
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} else {
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models.forEach(function (m) {
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// console.dir(m);
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assert(m.tableName === 'PRODUCT');
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});
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done(null, models);
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}
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});
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});
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});
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});
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describe('Discover model primary keys', function () {
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it('should return an array of primary keys for PRODUCT', function (done) {
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db.discoverPrimaryKeys('PRODUCT', function (err, models) {
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if (err) {
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console.error(err);
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done(err);
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} else {
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models.forEach(function (m) {
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// console.dir(m);
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assert(m.tableName === 'PRODUCT');
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});
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done(null, models);
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}
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});
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});
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it('should return an array of primary keys for STRONGLOOP.PRODUCT', function (done) {
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db.discoverPrimaryKeys('PRODUCT', {owner: 'STRONGLOOP'}, function (err, models) {
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if (err) {
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console.error(err);
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done(err);
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} else {
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models.forEach(function (m) {
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// console.dir(m);
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assert(m.tableName === 'PRODUCT');
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});
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done(null, models);
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}
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});
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});
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});
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describe('Discover model foreign keys', function () {
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it('should return an array of foreign keys for INVENTORY', function (done) {
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db.discoverForeignKeys('INVENTORY', function (err, models) {
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if (err) {
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console.error(err);
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done(err);
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} else {
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models.forEach(function (m) {
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// console.dir(m);
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assert(m.fkTableName === 'INVENTORY');
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});
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done(null, models);
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}
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});
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});
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it('should return an array of foreign keys for STRONGLOOP.INVENTORY', function (done) {
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db.discoverForeignKeys('INVENTORY', {owner: 'STRONGLOOP'}, function (err, models) {
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if (err) {
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console.error(err);
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done(err);
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} else {
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models.forEach(function (m) {
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// console.dir(m);
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assert(m.fkTableName === 'INVENTORY');
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});
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done(null, models);
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}
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});
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});
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});
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describe('Discover LDL schema from a table', function () {
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var schema;
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before(function (done) {
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db.discoverSchema('INVENTORY', {owner: 'STRONGLOOP'}, function (err, schema_) {
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schema = schema_;
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done(err);
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});
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});
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it('should return an LDL schema for INVENTORY', function () {
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var productId = 'productId' in schema.properties ? 'productId' : 'productid';
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var locationId = 'locationId' in schema.properties ? 'locationId' : 'locationid';
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console.error('schema:', schema);
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assert.strictEqual(schema.name, 'Inventory');
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assert.ok(/STRONGLOOP/i.test(schema.options.mysql.schema));
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assert.strictEqual(schema.options.mysql.table, 'INVENTORY');
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assert(schema.properties[productId]);
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// TODO: schema shows this field is default NULL, which means it isn't required
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// assert(schema.properties[productId].required);
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assert.strictEqual(schema.properties[productId].type, 'String');
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assert.strictEqual(schema.properties[productId].mysql.columnName, 'productId');
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assert(schema.properties[locationId]);
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assert.strictEqual(schema.properties[locationId].type, 'String');
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assert.strictEqual(schema.properties[locationId].mysql.columnName, 'locationId');
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assert(schema.properties.available);
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assert.strictEqual(schema.properties.available.required, false);
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assert.strictEqual(schema.properties.available.type, 'Number');
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assert(schema.properties.total);
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assert.strictEqual(schema.properties.total.type, 'Number');
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});
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});
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describe('Discover and build models', function () {
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var models;
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before(function (done) {
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db.discoverAndBuildModels('INVENTORY', {owner: 'STRONGLOOP', visited: {}, associations: true}, function (err, models_) {
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models = models_;
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done(err);
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});
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});
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it('should discover and build models', function () {
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assert(models.Inventory, 'Inventory model should be discovered and built');
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var schema = models.Inventory.definition;
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var productId = 'productId' in schema.properties ? 'productId' : 'productid';
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var locationId = 'locationId' in schema.properties ? 'locationId' : 'locationid';
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assert(/STRONGLOOP/i.test(schema.settings.mysql.schema));
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assert.strictEqual(schema.settings.mysql.table, 'INVENTORY');
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assert(schema.properties[productId]);
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assert.strictEqual(schema.properties[productId].type, String);
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assert.strictEqual(schema.properties[productId].mysql.columnName, 'productId');
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assert(schema.properties[locationId]);
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assert.strictEqual(schema.properties[locationId].type, String);
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assert.strictEqual(schema.properties[locationId].mysql.columnName, 'locationId');
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assert(schema.properties.available);
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assert.strictEqual(schema.properties.available.type, Number);
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assert(schema.properties.total);
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assert.strictEqual(schema.properties.total.type, Number);
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});
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it('should be able to find an instance', function (done) {
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assert(models.Inventory, 'Inventory model must exist');
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models.Inventory.findOne(function (err, inv) {
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assert(!err, 'error should not be reported');
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done();
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});
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});
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});
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