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