"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 file-related IOHandlers. */ var tf = require("../index"); var jasmine_util_1 = require("../jasmine_util"); var browser_files_1 = require("./browser_files"); 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, userDefinedMetadata: {} }; jasmine_util_1.describeWithFlags('browserDownloads', jasmine_util_1.BROWSER_ENVS, function () { var FakeHTMLAnchorElement = /** @class */ (function () { function FakeHTMLAnchorElement() { this.clicked = 0; } FakeHTMLAnchorElement.prototype.dispatchEvent = function () { this.clicked++; }; return FakeHTMLAnchorElement; }()); var fakeAnchors = []; var fakeAnchorCount = 0; beforeEach(function () { fakeAnchorCount = 0; fakeAnchors = [new FakeHTMLAnchorElement(), new FakeHTMLAnchorElement()]; spyOn(document, 'createElement').and.callFake(function (tag) { return fakeAnchors[fakeAnchorCount++]; }); }); it('Explicit file name prefix, with existing anchors', function () { return __awaiter(_this, void 0, void 0, function () { var testStartDate, downloadTrigger, saveResult, artifactsInfo, jsonAnchor, weightDataAnchor, jsonContent, modelTopologyAndWeightsManifest, _a, _b, weightsManifest, response, buffer; return __generator(this, function (_c) { switch (_c.label) { case 0: testStartDate = new Date(); downloadTrigger = tf.io.getSaveHandlers('downloads://test-model')[0]; return [4 /*yield*/, downloadTrigger.save(artifacts1)]; case 1: saveResult = _c.sent(); expect(saveResult.errors).toEqual(undefined); artifactsInfo = saveResult.modelArtifactsInfo; expect(artifactsInfo.dateSaved.getTime()) .toBeGreaterThanOrEqual(testStartDate.getTime()); expect(saveResult.modelArtifactsInfo.modelTopologyBytes) .toEqual(JSON.stringify(modelTopology1).length); expect(saveResult.modelArtifactsInfo.weightSpecsBytes) .toEqual(JSON.stringify(weightSpecs1).length); expect(saveResult.modelArtifactsInfo.weightDataBytes).toEqual(16); jsonAnchor = fakeAnchors[0]; weightDataAnchor = fakeAnchors[1]; expect(jsonAnchor.download).toEqual('test-model.json'); expect(weightDataAnchor.download).toEqual('test-model.weights.bin'); return [4 /*yield*/, fetch(jsonAnchor.href)]; case 2: jsonContent = _c.sent(); _b = (_a = JSON).parse; return [4 /*yield*/, jsonContent.text()]; case 3: modelTopologyAndWeightsManifest = _b.apply(_a, [_c.sent()]); expect(modelTopologyAndWeightsManifest.modelTopology) .toEqual(modelTopology1); expect(modelTopologyAndWeightsManifest.format).toEqual('layers-model'); expect(modelTopologyAndWeightsManifest.generatedBy) .toEqual('TensorFlow.js v0.0.0'); expect(modelTopologyAndWeightsManifest.convertedBy).toEqual(null); weightsManifest = modelTopologyAndWeightsManifest.weightsManifest; expect(weightsManifest.length).toEqual(1); expect(weightsManifest[0].paths).toEqual(['./test-model.weights.bin']); expect(weightsManifest[0].weights).toEqual(weightSpecs1); return [4 /*yield*/, fetch(weightDataAnchor.href)]; case 4: response = _c.sent(); return [4 /*yield*/, response.arrayBuffer()]; case 5: buffer = _c.sent(); expect(buffer).toEqual(weightData1); // Verify that the downloads are triggered through clicks. expect(jsonAnchor.clicked).toEqual(1); expect(weightDataAnchor.clicked).toEqual(1); return [2 /*return*/]; } }); }); }); it('URL scheme in explicit name gets stripped', function () { return __awaiter(_this, void 0, void 0, function () { var testStartDate, downloadTrigger, saveResult, artifactsInfo, jsonAnchor, weightDataAnchor, jsonContent, modelTopologyAndWeightsManifest, _a, _b, weightsManifest, response, buffer; return __generator(this, function (_c) { switch (_c.label) { case 0: testStartDate = new Date(); downloadTrigger = browser_files_1.browserDownloads('downloads://test-model'); return [4 /*yield*/, downloadTrigger.save(artifacts1)]; case 1: saveResult = _c.sent(); expect(saveResult.errors).toEqual(undefined); artifactsInfo = saveResult.modelArtifactsInfo; expect(artifactsInfo.dateSaved.getTime()) .toBeGreaterThanOrEqual(testStartDate.getTime()); expect(saveResult.modelArtifactsInfo.modelTopologyBytes) .toEqual(JSON.stringify(modelTopology1).length); expect(saveResult.modelArtifactsInfo.weightSpecsBytes) .toEqual(JSON.stringify(weightSpecs1).length); expect(saveResult.modelArtifactsInfo.weightDataBytes).toEqual(16); jsonAnchor = fakeAnchors[0]; weightDataAnchor = fakeAnchors[1]; expect(jsonAnchor.download).toEqual('test-model.json'); expect(weightDataAnchor.download).toEqual('test-model.weights.bin'); return [4 /*yield*/, fetch(jsonAnchor.href)]; case 2: jsonContent = _c.sent(); _b = (_a = JSON).parse; return [4 /*yield*/, jsonContent.text()]; case 3: modelTopologyAndWeightsManifest = _b.apply(_a, [_c.sent()]); expect(modelTopologyAndWeightsManifest.modelTopology) .toEqual(modelTopology1); weightsManifest = modelTopologyAndWeightsManifest.weightsManifest; expect(weightsManifest.length).toEqual(1); expect(weightsManifest[0].paths).toEqual(['./test-model.weights.bin']); expect(weightsManifest[0].weights).toEqual(weightSpecs1); return [4 /*yield*/, fetch(weightDataAnchor.href)]; case 4: response = _c.sent(); return [4 /*yield*/, response.arrayBuffer()]; case 5: buffer = _c.sent(); expect(buffer).toEqual(weightData1); // Verify that the downloads are triggered through clicks. expect(jsonAnchor.clicked).toEqual(1); expect(weightDataAnchor.clicked).toEqual(1); return [2 /*return*/]; } }); }); }); it('No file name provided, with existing anchors', function () { return __awaiter(_this, void 0, void 0, function () { var testStartDate, downloadTrigger, saveResult, artifactsInfo, jsonAnchor, weightDataAnchor, jsonContent, modelTopologyAndWeightsManifest, _a, _b, weightsManifest, response, buffer; return __generator(this, function (_c) { switch (_c.label) { case 0: testStartDate = new Date(); downloadTrigger = browser_files_1.browserDownloads(); return [4 /*yield*/, downloadTrigger.save(artifacts1)]; case 1: saveResult = _c.sent(); expect(saveResult.errors).toEqual(undefined); artifactsInfo = saveResult.modelArtifactsInfo; expect(artifactsInfo.dateSaved.getTime()) .toBeGreaterThanOrEqual(testStartDate.getTime()); expect(saveResult.modelArtifactsInfo.modelTopologyBytes) .toEqual(JSON.stringify(modelTopology1).length); expect(saveResult.modelArtifactsInfo.weightSpecsBytes) .toEqual(JSON.stringify(weightSpecs1).length); expect(saveResult.modelArtifactsInfo.weightDataBytes).toEqual(16); jsonAnchor = fakeAnchors[0]; weightDataAnchor = fakeAnchors[1]; // Verify that the default file names are used. expect(jsonAnchor.download).toEqual('model.json'); expect(weightDataAnchor.download).toEqual('model.weights.bin'); return [4 /*yield*/, fetch(jsonAnchor.href)]; case 2: jsonContent = _c.sent(); _b = (_a = JSON).parse; return [4 /*yield*/, jsonContent.text()]; case 3: modelTopologyAndWeightsManifest = _b.apply(_a, [_c.sent()]); expect(modelTopologyAndWeightsManifest.modelTopology) .toEqual(modelTopology1); weightsManifest = modelTopologyAndWeightsManifest.weightsManifest; expect(weightsManifest.length).toEqual(1); expect(weightsManifest[0].paths).toEqual(['./model.weights.bin']); expect(weightsManifest[0].weights).toEqual(weightSpecs1); return [4 /*yield*/, fetch(weightDataAnchor.href)]; case 4: response = _c.sent(); return [4 /*yield*/, response.arrayBuffer()]; case 5: buffer = _c.sent(); expect(buffer).toEqual(weightData1); return [2 /*return*/]; } }); }); }); it('Download only model topology', function () { return __awaiter(_this, void 0, void 0, function () { var testStartDate, downloadTrigger, modelTopologyOnlyArtifacts, saveResult, artifactsInfo, jsonAnchor, weightDataAnchor, jsonContent, modelTopologyAndWeightsManifest, _a, _b; return __generator(this, function (_c) { switch (_c.label) { case 0: testStartDate = new Date(); downloadTrigger = browser_files_1.browserDownloads(); modelTopologyOnlyArtifacts = { modelTopology: modelTopology1, }; return [4 /*yield*/, downloadTrigger.save(modelTopologyOnlyArtifacts)]; case 1: saveResult = _c.sent(); expect(saveResult.errors).toEqual(undefined); artifactsInfo = saveResult.modelArtifactsInfo; expect(artifactsInfo.dateSaved.getTime()) .toBeGreaterThanOrEqual(testStartDate.getTime()); expect(saveResult.modelArtifactsInfo.modelTopologyBytes) .toEqual(JSON.stringify(modelTopology1).length); expect(saveResult.modelArtifactsInfo.weightSpecsBytes).toEqual(0); expect(saveResult.modelArtifactsInfo.weightDataBytes).toEqual(0); jsonAnchor = fakeAnchors[0]; weightDataAnchor = fakeAnchors[1]; // Verify that the default file names are used. expect(jsonAnchor.download).toEqual('model.json'); expect(jsonAnchor.clicked).toEqual(1); // The weight file should not have been downoaded. expect(weightDataAnchor.download).toEqual(undefined); expect(weightDataAnchor.clicked).toEqual(0); return [4 /*yield*/, fetch(jsonAnchor.href)]; case 2: jsonContent = _c.sent(); _b = (_a = JSON).parse; return [4 /*yield*/, jsonContent.text()]; case 3: modelTopologyAndWeightsManifest = _b.apply(_a, [_c.sent()]); expect(modelTopologyAndWeightsManifest.modelTopology) .toEqual(modelTopology1); return [2 /*return*/]; } }); }); }); it('browserDownloadsRouter', function () { expect(browser_files_1.browserDownloadsRouter('downloads://foo') instanceof browser_files_1.BrowserDownloads) .toEqual(true); expect(browser_files_1.browserDownloadsRouter('invaliddownloads://foo')).toBeNull(); expect(browser_files_1.browserDownloadsRouter('foo')).toBeNull(); }); }); jasmine_util_1.describeWithFlags('browserFiles', jasmine_util_1.BROWSER_ENVS, function () { var weightsFile = new File([weightData1], 'model.weights.bin', { type: 'application/octet-stream' }); it('One group, one path', function () { return __awaiter(_this, void 0, void 0, function () { var weightsManifest, weightsTopologyAndManifest, jsonFile, filesHandler, modelArtifacts; return __generator(this, function (_a) { switch (_a.label) { case 0: weightsManifest = [{ paths: ['./model.weights.bin'], weights: weightSpecs1, }]; weightsTopologyAndManifest = { modelTopology: modelTopology1, weightsManifest: weightsManifest, format: 'layers-model', generatedBy: 'TensorFlow.js v0.0.0', convertedBy: '1.13.1', userDefinedMetadata: {} }; jsonFile = new File([JSON.stringify(weightsTopologyAndManifest)], 'model.json', { type: 'application/json' }); filesHandler = tf.io.browserFiles([jsonFile, weightsFile]); return [4 /*yield*/, filesHandler.load()]; case 1: modelArtifacts = _a.sent(); expect(modelArtifacts.modelTopology).toEqual(modelTopology1); expect(modelArtifacts.weightSpecs).toEqual(weightSpecs1); expect(modelArtifacts.format).toEqual('layers-model'); expect(modelArtifacts.generatedBy).toEqual('TensorFlow.js v0.0.0'); expect(modelArtifacts.convertedBy).toEqual('1.13.1'); expect(modelArtifacts.userDefinedMetadata).toEqual({}); expect(new Uint8Array(modelArtifacts.weightData)) .toEqual(new Uint8Array(weightData1)); return [2 /*return*/]; } }); }); }); it("One group, two paths", function () { return __awaiter(_this, void 0, void 0, function () { var weightSpecs, weightsManifest, weightsTopologyAndManifest, weightsFile1, weightsFile2, jsonFile, filesHandler, modelArtifacts; return __generator(this, function (_a) { switch (_a.label) { case 0: weightSpecs = [ { name: 'foo', shape: [1, 1], dtype: 'float32', }, { name: 'bar', shape: [1, 1], dtype: 'float32', } ]; weightsManifest = [{ paths: ['./dir1/model.weights.1.bin', './dir2/model.weights.2.bin'], weights: weightSpecs, }]; weightsTopologyAndManifest = { modelTopology: modelTopology1, weightsManifest: weightsManifest, }; weightsFile1 = new File([new Uint8Array([1, 2, 3, 4]).buffer], 'model.weights.1.bin', { type: 'application/octet-stream' }); weightsFile2 = new File([new Uint8Array([10, 20, 30, 40]).buffer], 'model.weights.2.bin', { type: 'application/octet-stream' }); jsonFile = new File([JSON.stringify(weightsTopologyAndManifest)], 'model.json', { type: 'application/json' }); filesHandler = tf.io.browserFiles([jsonFile, weightsFile1, weightsFile2]); return [4 /*yield*/, filesHandler.load()]; case 1: modelArtifacts = _a.sent(); expect(modelArtifacts.modelTopology).toEqual(modelTopology1); expect(modelArtifacts.weightSpecs).toEqual(weightSpecs); expect(new Uint8Array(modelArtifacts.weightData)).toEqual(new Uint8Array([ 1, 2, 3, 4, 10, 20, 30, 40 ])); return [2 /*return*/]; } }); }); }); it("Two groups, four paths, reverseOrder=false", function () { return __awaiter(_this, void 0, void 0, function () { var weightSpecs1, weightSpecs2, weightsManifest, weightsTopologyAndManifest, weightsFile1, weightsFile2, weightsFile3, weightsFile4, jsonFile, filesHandler, modelArtifacts; return __generator(this, function (_a) { switch (_a.label) { case 0: weightSpecs1 = [ { name: 'foo', shape: [1, 1], dtype: 'float32', }, { name: 'bar', shape: [1, 1], dtype: 'float32', } ]; weightSpecs2 = [ { name: 'baz', shape: [1, 1], dtype: 'float32', }, { name: 'qux', shape: [1, 1], dtype: 'float32', } ]; weightsManifest = [ { paths: ['./model.weights.1.bin', './model.weights.2.bin'], weights: weightSpecs1, }, { paths: ['./model.weights.3.bin', './model.weights.4.bin'], weights: weightSpecs2, } ]; weightsTopologyAndManifest = { modelTopology: modelTopology1, weightsManifest: weightsManifest, }; weightsFile1 = new File([new Uint8Array([1, 3, 5, 7]).buffer], 'model.weights.1.bin', { type: 'application/octet-stream' }); weightsFile2 = new File([new Uint8Array([10, 30, 50, 70]).buffer], 'model.weights.2.bin', { type: 'application/octet-stream' }); weightsFile3 = new File([new Uint8Array([2, 4, 6, 8]).buffer], 'model.weights.3.bin', { type: 'application/octet-stream' }); weightsFile4 = new File([new Uint8Array([20, 40, 60, 80]).buffer], 'model.weights.4.bin', { type: 'application/octet-stream' }); jsonFile = new File([JSON.stringify(weightsTopologyAndManifest)], 'model.json', { type: 'application/json' }); filesHandler = tf.io.browserFiles([jsonFile, weightsFile1, weightsFile2, weightsFile3, weightsFile4]); return [4 /*yield*/, filesHandler.load()]; case 1: modelArtifacts = _a.sent(); expect(modelArtifacts.modelTopology).toEqual(modelTopology1); expect(modelArtifacts.weightSpecs) .toEqual(weightSpecs1.concat(weightSpecs2)); expect(new Uint8Array(modelArtifacts.weightData)).toEqual(new Uint8Array([ 1, 3, 5, 7, 10, 30, 50, 70, 2, 4, 6, 8, 20, 40, 60, 80 ])); return [2 /*return*/]; } }); }); }); it("Two groups, four paths, reverseOrder=true", function () { return __awaiter(_this, void 0, void 0, function () { var weightSpecs1, weightSpecs2, weightsManifest, weightsTopologyAndManifest, weightsFile1, weightsFile2, weightsFile3, weightsFile4, jsonFile, filesHandler, modelArtifacts; return __generator(this, function (_a) { switch (_a.label) { case 0: weightSpecs1 = [ { name: 'foo', shape: [1, 1], dtype: 'float32', }, { name: 'bar', shape: [1, 1], dtype: 'float32', } ]; weightSpecs2 = [ { name: 'baz', shape: [1, 1], dtype: 'float32', }, { name: 'qux', shape: [1, 1], dtype: 'float32', } ]; weightsManifest = [ { paths: ['./model.weights.1.bin', './model.weights.2.bin'], weights: weightSpecs1, }, { paths: ['./model.weights.3.bin', './model.weights.4.bin'], weights: weightSpecs2, } ]; weightsTopologyAndManifest = { modelTopology: modelTopology1, weightsManifest: weightsManifest, }; weightsFile1 = new File([new Uint8Array([1, 3, 5, 7]).buffer], 'model.weights.1.bin', { type: 'application/octet-stream' }); weightsFile2 = new File([new Uint8Array([10, 30, 50, 70]).buffer], 'model.weights.2.bin', { type: 'application/octet-stream' }); weightsFile3 = new File([new Uint8Array([2, 4, 6, 8]).buffer], 'model.weights.3.bin', { type: 'application/octet-stream' }); weightsFile4 = new File([new Uint8Array([20, 40, 60, 80]).buffer], 'model.weights.4.bin', { type: 'application/octet-stream' }); jsonFile = new File([JSON.stringify(weightsTopologyAndManifest)], 'model.json', { type: 'application/json' }); filesHandler = tf.io.browserFiles([jsonFile, weightsFile4, weightsFile3, weightsFile2, weightsFile1]); return [4 /*yield*/, filesHandler.load()]; case 1: modelArtifacts = _a.sent(); expect(modelArtifacts.modelTopology).toEqual(modelTopology1); expect(modelArtifacts.weightSpecs) .toEqual(weightSpecs1.concat(weightSpecs2)); expect(new Uint8Array(modelArtifacts.weightData)).toEqual(new Uint8Array([ 1, 3, 5, 7, 10, 30, 50, 70, 2, 4, 6, 8, 20, 40, 60, 80 ])); return [2 /*return*/]; } }); }); }); it('Upload model topology only', function () { return __awaiter(_this, void 0, void 0, function () { var weightsManifest, weightsTopologyAndManifest, jsonFile, filesHandler, modelArtifacts; return __generator(this, function (_a) { switch (_a.label) { case 0: weightsManifest = [{ paths: ['./model.weights.bin'], weights: weightSpecs1, }]; weightsTopologyAndManifest = { modelTopology: modelTopology1, weightsManifest: weightsManifest, }; jsonFile = new File([JSON.stringify(weightsTopologyAndManifest)], 'model.json', { type: 'application/json' }); filesHandler = tf.io.browserFiles([jsonFile]); return [4 /*yield*/, filesHandler.load()]; case 1: modelArtifacts = _a.sent(); expect(modelArtifacts.modelTopology).toEqual(modelTopology1); expect(modelArtifacts.weightSpecs).toEqual(undefined); return [2 /*return*/]; } }); }); }); it('Mismatch in number of paths and number of files', function () { return __awaiter(_this, void 0, void 0, function () { var weightsManifest, weightsTopologyAndManifest, weightsFile1, weightsFile2, jsonFile, filesHandler, err_1; return __generator(this, function (_a) { switch (_a.label) { case 0: weightsManifest = [{ paths: ['./model.weights.1.bin'], weights: weightSpecs1, }]; weightsTopologyAndManifest = { modelTopology: weightSpecs1, weightsManifest: weightsManifest, }; weightsFile1 = new File([new Uint8Array([1, 2, 3, 4]).buffer], 'model.weights.1.bin', { type: 'application/octet-stream' }); weightsFile2 = new File([new Uint8Array([10, 20, 30, 40]).buffer], 'model.weights.2.bin', { type: 'application/octet-stream' }); jsonFile = new File([JSON.stringify(weightsTopologyAndManifest)], 'model.json', { type: 'application/json' }); filesHandler = tf.io.browserFiles([jsonFile, weightsFile2, weightsFile1]); _a.label = 1; case 1: _a.trys.push([1, 3, , 4]); return [4 /*yield*/, filesHandler.load()]; case 2: _a.sent(); fail('Loading with mismatch in number of paths and number of files ' + 'succeeded unexpectedly.'); return [3 /*break*/, 4]; case 3: err_1 = _a.sent(); expect(err_1.message) .toEqual('Mismatch in the number of files in weights manifest (1) ' + 'and the number of weight files provided (2).'); return [3 /*break*/, 4]; case 4: return [2 /*return*/]; } }); }); }); it('Mismatch in manifest paths and file names', function () { return __awaiter(_this, void 0, void 0, function () { var weightSpecs, weightsManifest, weightsTopologyAndManifest, weightsFile1, weightsFile2, jsonFile, filesHandler, err_2; return __generator(this, function (_a) { switch (_a.label) { case 0: weightSpecs = [ { name: 'foo', shape: [1, 1], dtype: 'float32', }, { name: 'bar', shape: [1, 1], dtype: 'float32', } ]; weightsManifest = [{ paths: ['./model.weights.1.bin', './model.weights.2.bin'], weights: weightSpecs, }]; weightsTopologyAndManifest = { modelTopology: modelTopology1, weightsManifest: weightsManifest, }; weightsFile1 = new File([new Uint8Array([1, 2, 3, 4]).buffer], 'model.weights.1.bin', { type: 'application/octet-stream' }); weightsFile2 = new File([new Uint8Array([10, 20, 30, 40]).buffer], 'model.weights.3.bin', { type: 'application/octet-stream' }); jsonFile = new File([JSON.stringify(weightsTopologyAndManifest)], 'model.json', { type: 'application/json' }); filesHandler = tf.io.browserFiles([jsonFile, weightsFile1, weightsFile2]); _a.label = 1; case 1: _a.trys.push([1, 3, , 4]); return [4 /*yield*/, filesHandler.load()]; case 2: _a.sent(); fail('Loading with mismatching paths and file names ' + 'succeeded unexpectedly.'); return [3 /*break*/, 4]; case 3: err_2 = _a.sent(); expect(err_2.message) .toEqual('Weight file with basename \'model.weights.2.bin\' is not ' + 'provided.'); return [3 /*break*/, 4]; case 4: return [2 /*return*/]; } }); }); }); it('Duplicate basenames in paths fails', function () { return __awaiter(_this, void 0, void 0, function () { var weightSpecs, weightsManifest, weightsTopologyAndManifest, weightsFile1, weightsFile2, jsonFile, filesHandler, err_3; return __generator(this, function (_a) { switch (_a.label) { case 0: weightSpecs = [ { name: 'foo', shape: [1, 1], dtype: 'float32', }, { name: 'bar', shape: [1, 1], dtype: 'float32', } ]; weightsManifest = [{ paths: ['./dir1/model.weights.1.bin', './dir2/model.weights.1.bin'], weights: weightSpecs, }]; weightsTopologyAndManifest = { modelTopology: modelTopology1, weightsManifest: weightsManifest, }; weightsFile1 = new File([new Uint8Array([1, 2, 3, 4]).buffer], 'model.weights.1.bin', { type: 'application/octet-stream' }); weightsFile2 = new File([new Uint8Array([10, 20, 30, 40]).buffer], 'model.weights.2.bin', { type: 'application/octet-stream' }); jsonFile = new File([JSON.stringify(weightsTopologyAndManifest)], 'model.json', { type: 'application/json' }); filesHandler = tf.io.browserFiles([jsonFile, weightsFile1, weightsFile2]); _a.label = 1; case 1: _a.trys.push([1, 3, , 4]); return [4 /*yield*/, filesHandler.load()]; case 2: _a.sent(); fail('Loading with duplicate basenames in paths succeeded unexpectedly.'); return [3 /*break*/, 4]; case 3: err_3 = _a.sent(); expect(err_3.message) .toEqual('Duplicate file basename found in weights manifest: ' + '\'model.weights.1.bin\''); return [3 /*break*/, 4]; case 4: return [2 /*return*/]; } }); }); }); it('Missing modelTopology from JSON leads to Error', function () { return __awaiter(_this, void 0, void 0, function () { var weightsManifest, weightsTopologyAndManifest, jsonFile, filesHandler, err_4; return __generator(this, function (_a) { switch (_a.label) { case 0: weightsManifest = [{ paths: ['./model.weights.bin'], weights: weightSpecs1, }]; weightsTopologyAndManifest = { weightsManifest: weightsManifest, }; jsonFile = new File([JSON.stringify(weightsTopologyAndManifest)], 'model.json', { type: 'application/json' }); filesHandler = tf.io.browserFiles([jsonFile, weightsFile]); _a.label = 1; case 1: _a.trys.push([1, 3, , 4]); return [4 /*yield*/, filesHandler.load()]; case 2: _a.sent(); fail('Loading with Files IOHandler with missing modelTopology ' + 'succeeded unexpectedly.'); return [3 /*break*/, 4]; case 3: err_4 = _a.sent(); expect(err_4.message) .toMatch(/modelTopology field is missing from file model\.json/); return [3 /*break*/, 4]; case 4: return [2 /*return*/]; } }); }); }); it('Incorrect number of files leads to Error', function () { expect(function () { return tf.io.browserFiles(null); }).toThrowError(/at least 1 file/); expect(function () { return tf.io.browserFiles([]); }).toThrowError(/at least 1 file/); }); }); //# sourceMappingURL=browser_files_test.js.map