124 lines
3.7 KiB
TypeScript
124 lines
3.7 KiB
TypeScript
import { DataFileServiceImpl } from './datafile.service.impl';
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import { Mock } from 'ts-mocks';
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import Spy = jasmine.Spy;
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describe("DataFileServiceImpl", () => {
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var dataFileServiceImpl: DataFileServiceImpl;
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var fileReaderMock: Mock<FileReader>;
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var fileReader: FileReader;
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beforeEach(() => {
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fileReaderMock = new Mock<FileReader>();
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fileReader = fileReaderMock.Object;
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dataFileServiceImpl = new DataFileServiceImpl(() => fileReader);
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});
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describe("blobToString", () => {
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var data: any;
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var blob: Blob;
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beforeEach(() => {
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data = {hello: "world"};
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blob = new Blob([JSON.stringify(data)]);
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fileReaderMock.setup(mock => mock.readAsText).is((blob: Blob) => {
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fileReaderMock.Object.onload(<any>{target: {result: data}});
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});
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});
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it("calls file reader to read given blob", (done) => {
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dataFileServiceImpl.blobToString(blob, (result) => {
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expect((<Spy>fileReader.readAsText).calls.argsFor(0)[0]).toEqual(blob);
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done();
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});
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});
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it("calls given callback with null if file reader errors", (done) => {
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fileReaderMock.setup(mock => mock.readAsText).is((blob: Blob) => {
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fileReaderMock.Object.onerror(new Mock<ProgressEvent<FileReader>>().Object);
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});
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dataFileServiceImpl.blobToString(blob, (result) => {
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expect(result).toBe(null);
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done();
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});
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});
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it("calls given callback with null if file reader aborts", (done) => {
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fileReaderMock.setup(mock => mock.readAsText).is((blob: Blob) => {
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fileReaderMock.Object.onabort(new Mock<ProgressEvent<FileReader>>().Object);
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});
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dataFileServiceImpl.blobToString(blob, (result) => {
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expect(result).toBe(null);
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done();
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});
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});
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it("calls given callback with result when file reader successfully loads", (done) => {
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dataFileServiceImpl.blobToString(blob, (result) => {
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expect(result).toBe(data);
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done();
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});
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});
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});
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describe("arrayToString", () => {
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var blob: Blob;
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var data: any;
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beforeEach(() => {
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data = JSON.stringify({hello: "world"});
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blob = new Blob([data], {type: 'application/octet-binary'});
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fileReaderMock.setup(mock => mock.readAsText).is((blob: Blob) => {
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fileReaderMock.Object.onload(<any>{target: {result: data}});
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});
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});
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it("calls file reader to read blob created from given buffer", (done) => {
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dataFileServiceImpl.arrayToString(data, (result) => {
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expect((<Spy>fileReader.readAsText).calls.argsFor(0)[0]).toEqual(blob);
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done();
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});
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});
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it("calls given callback with null if file reader errors", (done) => {
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fileReaderMock.setup(mock => mock.readAsText).is((blob: Blob) => {
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fileReaderMock.Object.onerror(new Mock<ProgressEvent<FileReader>>().Object);
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});
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dataFileServiceImpl.arrayToString(data, (result) => {
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expect(result).toEqual(null);
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done();
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});
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});
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it("calls given callback with null if file reader aborts", (done) => {
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fileReaderMock.setup(mock => mock.readAsText).is((blob: Blob) => {
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fileReaderMock.Object.onabort(new Mock<ProgressEvent<FileReader>>().Object);
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});
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dataFileServiceImpl.arrayToString(data, (result) => {
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expect(result).toEqual(null);
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done();
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});
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});
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it("calls given callback with result when file reader successfully loads", (done) => {
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dataFileServiceImpl.arrayToString(data, (result) => {
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expect(result).toEqual(data);
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done();
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});
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});
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});
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describe("readDataArrayAsPossibleArchive", () => {
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// TODO
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});
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describe("downloadDataFileAsArrayBuffer", () => {
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// TODO
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});
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});
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