130 lines
3.7 KiB
JavaScript
130 lines
3.7 KiB
JavaScript
var assert = require('assert');
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var ModelBuilder = require('..').ModelBuilder;
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var DataSource = require('../').DataSource;
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var introspectType = require('../lib/introspection')(ModelBuilder);
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var traverse = require('traverse');
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var json = {
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name: 'Joe',
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age: 30,
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birthday: new Date(),
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vip: true,
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address: {
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street: '1 Main St',
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city: 'San Jose',
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state: 'CA',
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zipcode: '95131',
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country: 'US'
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},
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friends: ['John', 'Mary'],
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emails: [
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{label: 'work', id: 'x@sample.com'},
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{label: 'home', id: 'x@home.com'}
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],
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tags: []
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};
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describe('Introspection of model definitions from JSON', function () {
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it('should handle simple types', function () {
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assert.equal(introspectType('123'), 'string');
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assert.equal(introspectType(true), 'boolean');
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assert.equal(introspectType(false), 'boolean');
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assert.equal(introspectType(12), 'number');
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assert.equal(introspectType(new Date()), 'date');
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});
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it('should handle array types', function () {
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var type = introspectType(['123']);
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assert.deepEqual(type, ['string'], 'type should be ["string"]');
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type = introspectType([1]);
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assert.deepEqual(type, ['number'], 'type should be ["number"]');
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// Stop at first known type
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type = introspectType([1, '123']);
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assert.deepEqual(type, ['number'], 'type should be ["number"]');
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type = introspectType([null, '123']);
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assert.deepEqual(type, ['string'], 'type should be ["string"]');
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type = introspectType([]);
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assert.equal(type, 'array');
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});
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it('should return Any for null or undefined', function () {
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assert.equal(introspectType(null), ModelBuilder.Any);
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assert.equal(introspectType(undefined), ModelBuilder.Any);
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});
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it('should return a schema for object', function () {
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var json = {a: 'str', b: 0, c: true};
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var type = introspectType(json);
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assert.equal(type.a, 'string');
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assert.equal(type.b, 'number');
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assert.equal(type.c, 'boolean');
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});
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it('should handle nesting objects', function () {
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var json = {a: 'str', b: 0, c: true, d: {x: 10, y: 5}};
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var type = introspectType(json);
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assert.equal(type.a, 'string');
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assert.equal(type.b, 'number');
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assert.equal(type.c, 'boolean');
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assert.equal(type.d.x, 'number');
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assert.equal(type.d.y, 'number');
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});
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it('should handle nesting arrays', function () {
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var json = {a: 'str', b: 0, c: true, d: [1, 2]};
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var type = introspectType(json);
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assert.equal(type.a, 'string');
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assert.equal(type.b, 'number');
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assert.equal(type.c, 'boolean');
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assert.deepEqual(type.d, ['number']);
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});
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it('should build a model from the introspected schema', function (done) {
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var copy = traverse(json).clone();
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var schema = introspectType(json);
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var builder = new ModelBuilder();
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var Model = builder.define('MyModel', schema, {idInjection: false});
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// FIXME: [rfeng] The constructor mutates the arguments
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var obj = new Model(json);
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obj = obj.toObject();
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assert.deepEqual(obj, copy);
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done();
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});
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it('should build a model using buildModelFromInstance', function (done) {
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var copy = traverse(json).clone();
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var builder = new ModelBuilder();
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var Model = builder.buildModelFromInstance('MyModel', copy, {idInjection: false});
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var obj = new Model(json);
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obj = obj.toObject();
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assert.deepEqual(obj, copy);
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done();
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});
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it('should build a model using DataSource.buildModelFromInstance', function (done) {
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var copy = traverse(json).clone();
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var builder = new DataSource('memory');
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var Model = builder.buildModelFromInstance('MyModel', copy,
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{idInjection: false});
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assert.equal(Model.dataSource, builder);
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var obj = new Model(json);
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obj = obj.toObject();
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assert.deepEqual(obj, copy);
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done();
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});
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});
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