"use strict";
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/**
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* @license
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* Copyright 2018 Google LLC. All Rights Reserved.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* =============================================================================
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*/
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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var __generator = (this && this.__generator) || function (thisArg, body) {
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var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
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return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
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function verb(n) { return function (v) { return step([n, v]); }; }
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function step(op) {
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if (f) throw new TypeError("Generator is already executing.");
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while (_) try {
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if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
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if (y = 0, t) op = [op[0] & 2, t.value];
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switch (op[0]) {
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case 0: case 1: t = op; break;
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case 4: _.label++; return { value: op[1], done: false };
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case 5: _.label++; y = op[1]; op = [0]; continue;
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case 7: op = _.ops.pop(); _.trys.pop(); continue;
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default:
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if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
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if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
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if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
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if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
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if (t[2]) _.ops.pop();
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_.trys.pop(); continue;
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}
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op = body.call(thisArg, _);
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} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
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if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
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}
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};
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var _this = this;
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Object.defineProperty(exports, "__esModule", { value: true });
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/**
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* Unit tests for indexed_db.ts.
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*/
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var tf = require("../index");
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var jasmine_util_1 = require("../jasmine_util");
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var test_util_1 = require("../test_util");
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var indexed_db_1 = require("./indexed_db");
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jasmine_util_1.describeWithFlags('IndexedDB', jasmine_util_1.BROWSER_ENVS, function () {
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// Test data.
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var modelTopology1 = {
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'class_name': 'Sequential',
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'keras_version': '2.1.4',
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'config': [{
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'class_name': 'Dense',
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'config': {
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'kernel_initializer': {
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'class_name': 'VarianceScaling',
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'config': {
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'distribution': 'uniform',
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'scale': 1.0,
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'seed': null,
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'mode': 'fan_avg'
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}
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},
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'name': 'dense',
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'kernel_constraint': null,
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'bias_regularizer': null,
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'bias_constraint': null,
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'dtype': 'float32',
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'activation': 'linear',
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'trainable': true,
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'kernel_regularizer': null,
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'bias_initializer': { 'class_name': 'Zeros', 'config': {} },
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'units': 1,
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'batch_input_shape': [null, 3],
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'use_bias': true,
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'activity_regularizer': null
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}
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}],
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'backend': 'tensorflow'
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};
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var weightSpecs1 = [
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{
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name: 'dense/kernel',
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shape: [3, 1],
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dtype: 'float32',
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},
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{
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name: 'dense/bias',
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shape: [1],
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dtype: 'float32',
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}
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];
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var weightData1 = new ArrayBuffer(16);
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var artifacts1 = {
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modelTopology: modelTopology1,
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weightSpecs: weightSpecs1,
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weightData: weightData1,
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format: 'layers-model',
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generatedBy: 'TensorFlow.js v0.0.0',
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convertedBy: null
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};
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var weightSpecs2 = [
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{
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name: 'dense/new_kernel',
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shape: [5, 1],
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dtype: 'float32',
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},
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{
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name: 'dense/new_bias',
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shape: [1],
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dtype: 'float32',
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}
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];
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beforeEach(indexed_db_1.deleteDatabase);
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afterEach(indexed_db_1.deleteDatabase);
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it('Save-load round trip', function () { return __awaiter(_this, void 0, void 0, function () {
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var testStartDate, handler, saveResult, loadedArtifacts;
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return __generator(this, function (_a) {
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switch (_a.label) {
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case 0:
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testStartDate = new Date();
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handler = tf.io.getSaveHandlers('indexeddb://FooModel')[0];
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return [4 /*yield*/, handler.save(artifacts1)];
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case 1:
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saveResult = _a.sent();
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expect(saveResult.modelArtifactsInfo.dateSaved.getTime())
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.toBeGreaterThanOrEqual(testStartDate.getTime());
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// Note: The following two assertions work only because there is no
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// non-ASCII characters in `modelTopology1` and `weightSpecs1`.
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expect(saveResult.modelArtifactsInfo.modelTopologyBytes)
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.toEqual(JSON.stringify(modelTopology1).length);
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expect(saveResult.modelArtifactsInfo.weightSpecsBytes)
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.toEqual(JSON.stringify(weightSpecs1).length);
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expect(saveResult.modelArtifactsInfo.weightDataBytes)
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.toEqual(weightData1.byteLength);
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return [4 /*yield*/, handler.load()];
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case 2:
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loadedArtifacts = _a.sent();
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expect(loadedArtifacts.modelTopology).toEqual(modelTopology1);
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expect(loadedArtifacts.weightSpecs).toEqual(weightSpecs1);
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expect(loadedArtifacts.format).toEqual('layers-model');
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expect(loadedArtifacts.generatedBy).toEqual('TensorFlow.js v0.0.0');
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expect(loadedArtifacts.convertedBy).toEqual(null);
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test_util_1.expectArrayBuffersEqual(loadedArtifacts.weightData, weightData1);
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return [2 /*return*/];
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}
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});
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}); });
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it('Save two models and load one', function () { return __awaiter(_this, void 0, void 0, function () {
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var weightData2, artifacts2, handler1, saveResult1, handler2, saveResult2, loadedArtifacts;
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return __generator(this, function (_a) {
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switch (_a.label) {
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case 0:
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weightData2 = new ArrayBuffer(24);
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artifacts2 = {
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modelTopology: modelTopology1,
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weightSpecs: weightSpecs2,
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weightData: weightData2,
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};
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handler1 = tf.io.getSaveHandlers('indexeddb://Model/1')[0];
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return [4 /*yield*/, handler1.save(artifacts1)];
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case 1:
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saveResult1 = _a.sent();
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// Note: The following two assertions work only because there is no
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// non-ASCII characters in `modelTopology1` and `weightSpecs1`.
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expect(saveResult1.modelArtifactsInfo.modelTopologyBytes)
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.toEqual(JSON.stringify(modelTopology1).length);
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expect(saveResult1.modelArtifactsInfo.weightSpecsBytes)
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.toEqual(JSON.stringify(weightSpecs1).length);
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expect(saveResult1.modelArtifactsInfo.weightDataBytes)
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.toEqual(weightData1.byteLength);
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handler2 = tf.io.getSaveHandlers('indexeddb://Model/2')[0];
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return [4 /*yield*/, handler2.save(artifacts2)];
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case 2:
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saveResult2 = _a.sent();
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expect(saveResult2.modelArtifactsInfo.dateSaved.getTime())
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.toBeGreaterThanOrEqual(saveResult1.modelArtifactsInfo.dateSaved.getTime());
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// Note: The following two assertions work only because there is
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// no non-ASCII characters in `modelTopology1` and
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// `weightSpecs1`.
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expect(saveResult2.modelArtifactsInfo.modelTopologyBytes)
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.toEqual(JSON.stringify(modelTopology1).length);
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expect(saveResult2.modelArtifactsInfo.weightSpecsBytes)
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.toEqual(JSON.stringify(weightSpecs2).length);
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expect(saveResult2.modelArtifactsInfo.weightDataBytes)
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.toEqual(weightData2.byteLength);
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return [4 /*yield*/, handler1.load()];
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case 3:
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loadedArtifacts = _a.sent();
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expect(loadedArtifacts.modelTopology).toEqual(modelTopology1);
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expect(loadedArtifacts.weightSpecs).toEqual(weightSpecs1);
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test_util_1.expectArrayBuffersEqual(loadedArtifacts.weightData, weightData1);
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return [2 /*return*/];
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}
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});
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}); });
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it('Loading nonexistent model fails', function () { return __awaiter(_this, void 0, void 0, function () {
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var handler, err_1;
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return __generator(this, function (_a) {
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switch (_a.label) {
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case 0:
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handler = tf.io.getSaveHandlers('indexeddb://NonexistentModel')[0];
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_a.label = 1;
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case 1:
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_a.trys.push([1, 3, , 4]);
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return [4 /*yield*/, handler.load()];
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case 2:
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_a.sent();
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fail('Loading nonexistent model from IndexedDB succeeded unexpectly');
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return [3 /*break*/, 4];
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case 3:
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err_1 = _a.sent();
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expect(err_1.message)
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.toEqual('Cannot find model with path \'NonexistentModel\' in IndexedDB.');
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return [3 /*break*/, 4];
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case 4: return [2 /*return*/];
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}
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});
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}); });
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it('Null, undefined or empty modelPath throws Error', function () {
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expect(function () { return indexed_db_1.browserIndexedDB(null); })
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.toThrowError(/IndexedDB, modelPath must not be null, undefined or empty/);
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expect(function () { return indexed_db_1.browserIndexedDB(undefined); })
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.toThrowError(/IndexedDB, modelPath must not be null, undefined or empty/);
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expect(function () { return indexed_db_1.browserIndexedDB(''); })
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.toThrowError(/IndexedDB, modelPath must not be null, undefined or empty./);
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});
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it('router', function () {
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expect(indexed_db_1.indexedDBRouter('indexeddb://bar') instanceof indexed_db_1.BrowserIndexedDB)
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.toEqual(true);
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expect(indexed_db_1.indexedDBRouter('localstorage://bar')).toBeNull();
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expect(indexed_db_1.indexedDBRouter('qux')).toBeNull();
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});
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it('Manager: List models: 0 result', function () { return __awaiter(_this, void 0, void 0, function () {
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var models;
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return __generator(this, function (_a) {
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switch (_a.label) {
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case 0: return [4 /*yield*/, new indexed_db_1.BrowserIndexedDBManager().listModels()];
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case 1:
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models = _a.sent();
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expect(models).toEqual({});
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return [2 /*return*/];
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}
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});
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}); });
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it('Manager: List models: 1 result', function () { return __awaiter(_this, void 0, void 0, function () {
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var handler, saveResult, models;
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return __generator(this, function (_a) {
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switch (_a.label) {
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case 0:
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handler = tf.io.getSaveHandlers('indexeddb://baz/QuxModel')[0];
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return [4 /*yield*/, handler.save(artifacts1)];
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case 1:
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saveResult = _a.sent();
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return [4 /*yield*/, new indexed_db_1.BrowserIndexedDBManager().listModels()];
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case 2:
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models = _a.sent();
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expect(Object.keys(models).length).toEqual(1);
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expect(models['baz/QuxModel'].modelTopologyType)
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.toEqual(saveResult.modelArtifactsInfo.modelTopologyType);
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expect(models['baz/QuxModel'].modelTopologyBytes)
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.toEqual(saveResult.modelArtifactsInfo.modelTopologyBytes);
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expect(models['baz/QuxModel'].weightSpecsBytes)
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.toEqual(saveResult.modelArtifactsInfo.weightSpecsBytes);
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expect(models['baz/QuxModel'].weightDataBytes)
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.toEqual(saveResult.modelArtifactsInfo.weightDataBytes);
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return [2 /*return*/];
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}
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});
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}); });
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it('Manager: List models: 2 results', function () { return __awaiter(_this, void 0, void 0, function () {
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var handler1, saveResult1, handler2, saveResult2, models;
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return __generator(this, function (_a) {
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switch (_a.label) {
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case 0:
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handler1 = tf.io.getSaveHandlers('indexeddb://QuxModel')[0];
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return [4 /*yield*/, handler1.save(artifacts1)];
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case 1:
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saveResult1 = _a.sent();
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handler2 = tf.io.getSaveHandlers('indexeddb://repeat/QuxModel')[0];
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return [4 /*yield*/, handler2.save(artifacts1)];
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case 2:
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saveResult2 = _a.sent();
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return [4 /*yield*/, new indexed_db_1.BrowserIndexedDBManager().listModels()];
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case 3:
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models = _a.sent();
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expect(Object.keys(models).length).toEqual(2);
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expect(models['QuxModel'].modelTopologyType)
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.toEqual(saveResult1.modelArtifactsInfo.modelTopologyType);
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expect(models['QuxModel'].modelTopologyBytes)
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.toEqual(saveResult1.modelArtifactsInfo.modelTopologyBytes);
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expect(models['QuxModel'].weightSpecsBytes)
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.toEqual(saveResult1.modelArtifactsInfo.weightSpecsBytes);
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expect(models['QuxModel'].weightDataBytes)
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.toEqual(saveResult1.modelArtifactsInfo.weightDataBytes);
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expect(models['repeat/QuxModel'].modelTopologyType)
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.toEqual(saveResult2.modelArtifactsInfo.modelTopologyType);
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expect(models['repeat/QuxModel'].modelTopologyBytes)
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.toEqual(saveResult2.modelArtifactsInfo.modelTopologyBytes);
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expect(models['repeat/QuxModel'].weightSpecsBytes)
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.toEqual(saveResult2.modelArtifactsInfo.weightSpecsBytes);
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expect(models['repeat/QuxModel'].weightDataBytes)
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.toEqual(saveResult2.modelArtifactsInfo.weightDataBytes);
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return [2 /*return*/];
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}
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});
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}); });
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it('Manager: Successful removeModel', function () { return __awaiter(_this, void 0, void 0, function () {
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var handler1, handler2, manager, models;
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return __generator(this, function (_a) {
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switch (_a.label) {
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case 0:
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handler1 = tf.io.getSaveHandlers('indexeddb://QuxModel')[0];
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return [4 /*yield*/, handler1.save(artifacts1)];
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case 1:
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_a.sent();
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handler2 = tf.io.getSaveHandlers('indexeddb://repeat/QuxModel')[0];
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return [4 /*yield*/, handler2.save(artifacts1)];
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case 2:
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_a.sent();
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manager = new indexed_db_1.BrowserIndexedDBManager();
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return [4 /*yield*/, manager.removeModel('QuxModel')];
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case 3:
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_a.sent();
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return [4 /*yield*/, manager.listModels()];
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case 4:
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models = _a.sent();
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expect(Object.keys(models)).toEqual(['repeat/QuxModel']);
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return [2 /*return*/];
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}
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});
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}); });
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it('Manager: Successful removeModel with URL scheme', function () { return __awaiter(_this, void 0, void 0, function () {
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var handler1, handler2, manager, models;
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return __generator(this, function (_a) {
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switch (_a.label) {
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case 0:
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handler1 = tf.io.getSaveHandlers('indexeddb://QuxModel')[0];
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return [4 /*yield*/, handler1.save(artifacts1)];
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case 1:
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_a.sent();
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handler2 = tf.io.getSaveHandlers('indexeddb://repeat/QuxModel')[0];
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return [4 /*yield*/, handler2.save(artifacts1)];
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case 2:
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_a.sent();
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manager = new indexed_db_1.BrowserIndexedDBManager();
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// Delete a model specified with a path that includes the
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// indexeddb:// scheme prefix should work.
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manager.removeModel('indexeddb://QuxModel');
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return [4 /*yield*/, manager.listModels()];
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case 3:
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models = _a.sent();
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expect(Object.keys(models)).toEqual(['repeat/QuxModel']);
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return [2 /*return*/];
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}
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});
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}); });
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it('Manager: Failed removeModel', function () { return __awaiter(_this, void 0, void 0, function () {
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var err_2;
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return __generator(this, function (_a) {
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switch (_a.label) {
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case 0:
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_a.trys.push([0, 2, , 3]);
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// Attempt to delete a nonexistent model is expected to fail.
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return [4 /*yield*/, new indexed_db_1.BrowserIndexedDBManager().removeModel('nonexistent')];
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case 1:
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// Attempt to delete a nonexistent model is expected to fail.
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_a.sent();
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fail('Deleting nonexistent model succeeded unexpectedly.');
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return [3 /*break*/, 3];
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case 2:
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err_2 = _a.sent();
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expect(err_2.message)
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.toEqual('Cannot find model with path \'nonexistent\' in IndexedDB.');
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return [3 /*break*/, 3];
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case 3: return [2 /*return*/];
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}
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});
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}); });
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});
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//# sourceMappingURL=indexed_db_test.js.map
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