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Add unit tests for replacing file
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6 files changed

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-21
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6 files changed

+103
-21
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‎__mocks__/_pdf.buffer.js

+18
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,18 @@
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// Loads a PDF file as a Buffer.
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3+
const fs = require('fs');
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const file = fs.readFileSync('./__mocks__/_pdf.pdf');
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const fileArrayBuffer = file.buffer;
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const fileBlob = new Blob([fileArrayBuffer], { type: 'application/pdf' });
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const fileFile = new File([fileArrayBuffer], { type: 'application/pdf' });
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const fileDataURI = `data:application/pdf;base64,${file.toString('base64')}`;
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export {
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file,
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fileArrayBuffer,
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fileBlob,
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fileFile,
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fileDataURI,
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};

‎__mocks__/_pdf.pdf

524 KB
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‎__mocks__/_pdf2.buffer.js

+18
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@@ -0,0 +1,18 @@
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// Loads a PDF file as a Buffer.
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const fs = require('fs');
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const file = fs.readFileSync('./__mocks__/_pdf2.pdf');
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const fileArrayBuffer = file.buffer;
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const fileBlob = new Blob([fileArrayBuffer], { type: 'application/pdf' });
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const fileFile = new File([fileArrayBuffer], { type: 'application/pdf' });
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const fileDataURI = `data:application/pdf;base64,${file.toString('base64')}`;
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export {
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file,
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fileArrayBuffer,
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fileBlob,
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fileFile,
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fileDataURI,
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};

‎__mocks__/_pdf2.pdf

41.4 KB
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‎src/__tests__/Document.jsx

+67-16
Original file line numberDiff line numberDiff line change
@@ -3,14 +3,18 @@ import { mount } from 'enzyme';
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44
import { Document } from '../entry.noworker';
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6-
import file from './_pdf.buffer';
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import {
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fileArrayBuffer,
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fileBlob,
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fileFile,
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fileDataURI,
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} from '../../__mocks__/_pdf.buffer';
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8-
const OK = Symbol('OK');
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import {
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fileFile as fileFile2,
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} from '../../__mocks__/_pdf2.buffer';
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10-
const fileArrayBuffer = file.buffer;
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const fileBlob = new Blob([fileArrayBuffer], { type: 'application/pdf' });
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const fileFile = new File([fileArrayBuffer], { type: 'application/pdf' });
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const fileDataURI = `data:application/pdf;base64,${file.toString('base64')}`;
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const OK = Symbol('OK');
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/* eslint-disable comma-dangle */
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@@ -28,9 +32,27 @@ const makeAsyncCallback = (callbackValue) => {
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return { promise, func };
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};
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const desiredLoadedPdf = {
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loadingTask: {},
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pdfInfo: {
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fingerprint: 'a62067476e69734bb8eb60122615dfbf',
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numPages: 4,
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},
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transport: {},
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};
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const desiredLoadedPdf2 = {
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loadingTask: {},
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pdfInfo: {
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fingerprint: '04d9eadd32916d728460daa283b37ff2',
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numPages: 5,
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},
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transport: {},
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};
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describe('Document', () => {
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describe('loading', () => {
33-
it('loads a file via data URI properly', async () => {
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it('loads a file and calls onSourceSuccess and onLoadSuccess callbacks via data URI properly', async () => {
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const { func: onSourceSuccess, promise: onSourceSuccessPromise } = makeAsyncCallback(OK);
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const { func: onLoadSuccess, promise: onLoadSuccessPromise } = makeAsyncCallback();
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@@ -44,10 +66,10 @@ describe('Document', () => {
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expect.assertions(2);
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await expect(onSourceSuccessPromise).resolves.toBe(OK);
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await expect(onLoadSuccessPromise).resolves.toBeInstanceOf(Object);
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await expect(onLoadSuccessPromise).resolves.toMatchObject(desiredLoadedPdf);
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});
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it('loads a file via data URI properly (param object)', async () => {
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it('loads a file and calls onSourceSuccess and onLoadSuccess callbacks via data URI properly (param object)', async () => {
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const { func: onSourceSuccess, promise: onSourceSuccessPromise } = makeAsyncCallback(OK);
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const { func: onLoadSuccess, promise: onLoadSuccessPromise } = makeAsyncCallback();
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@@ -61,10 +83,10 @@ describe('Document', () => {
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6284
expect.assertions(2);
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await expect(onSourceSuccessPromise).resolves.toBe(OK);
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await expect(onLoadSuccessPromise).resolves.toBeInstanceOf(Object);
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await expect(onLoadSuccessPromise).resolves.toMatchObject(desiredLoadedPdf);
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});
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67-
it('loads a file via ArrayBuffer properly', async () => {
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it('loads a file and calls onSourceSuccess and onLoadSuccess callbacks via ArrayBuffer properly', async () => {
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const { func: onSourceSuccess, promise: onSourceSuccessPromise } = makeAsyncCallback(OK);
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const { func: onLoadSuccess, promise: onLoadSuccessPromise } = makeAsyncCallback();
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@@ -78,10 +100,10 @@ describe('Document', () => {
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expect.assertions(2);
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await expect(onSourceSuccessPromise).resolves.toBe(OK);
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await expect(onLoadSuccessPromise).resolves.toBeInstanceOf(Object);
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await expect(onLoadSuccessPromise).resolves.toMatchObject(desiredLoadedPdf);
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});
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84-
it('loads a file via Blob properly', async () => {
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it('loads a file and calls onSourceSuccess and onLoadSuccess callbacks via Blob properly', async () => {
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const { func: onSourceSuccess, promise: onSourceSuccessPromise } = makeAsyncCallback(OK);
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const { func: onLoadSuccess, promise: onLoadSuccessPromise } = makeAsyncCallback();
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@@ -95,10 +117,10 @@ describe('Document', () => {
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96118
expect.assertions(2);
97119
await expect(onSourceSuccessPromise).resolves.toBe(OK);
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await expect(onLoadSuccessPromise).resolves.toBeInstanceOf(Object);
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await expect(onLoadSuccessPromise).resolves.toMatchObject(desiredLoadedPdf);
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});
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it('loads a file via File properly', async () => {
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it('loads a file and calls onSourceSuccess and onLoadSuccess callbacks via File properly', async () => {
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const { func: onSourceSuccess, promise: onSourceSuccessPromise } = makeAsyncCallback(OK);
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const { func: onLoadSuccess, promise: onLoadSuccessPromise } = makeAsyncCallback();
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@@ -112,7 +134,36 @@ describe('Document', () => {
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expect.assertions(2);
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await expect(onSourceSuccessPromise).resolves.toBe(OK);
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await expect(onLoadSuccessPromise).resolves.toBeInstanceOf(Object);
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await expect(onLoadSuccessPromise).resolves.toMatchObject(desiredLoadedPdf);
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});
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140+
it('replaces a file properly', async () => {
141+
const { func: onSourceSuccess, promise: onSourceSuccessPromise } = makeAsyncCallback(OK);
142+
const { func: onLoadSuccess, promise: onLoadSuccessPromise } = makeAsyncCallback();
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const mountedComponent = mount(
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<Document
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file={fileFile}
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onLoadSuccess={onLoadSuccess}
148+
onSourceSuccess={onSourceSuccess}
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/>
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);
151+
152+
expect.assertions(4);
153+
await expect(onSourceSuccessPromise).resolves.toBe(OK);
154+
await expect(onLoadSuccessPromise).resolves.toMatchObject(desiredLoadedPdf);
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156+
const { func: onSourceSuccess2, promise: onSourceSuccessPromise2 } = makeAsyncCallback(OK);
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const { func: onLoadSuccess2, promise: onLoadSuccessPromise2 } = makeAsyncCallback();
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159+
mountedComponent.setProps({
160+
file: fileFile2,
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onLoadSuccess: onLoadSuccess2,
162+
onSourceSuccess: onSourceSuccess2,
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});
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165+
await expect(onSourceSuccessPromise2).resolves.toBe(OK);
166+
await expect(onLoadSuccessPromise2).resolves.toMatchObject(desiredLoadedPdf2);
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});
117168
});
118169

‎src/__tests__/_pdf.buffer.js

-5
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