build: add support for running only tests which don't use the network

package.json

@@ -10,8 +10,11 @@
   "scripts": {
     "build": "tsc && tsc -p tsconfig.esm.json",
     "build:docs": "typedoc --out docs",
+    "jest": "jest --coverage",
+    "lint": "prettier --check \"src/**/*.ts\"",
     "prepublishOnly": "npm run build",
-    "test": "prettier --check \"src/**/*.ts\" && jest --coverage"
+    "test": "npm run lint && npm run jest",
+    "test:nonetwork": "npm run lint && npm run jest -- --testPathIgnorePatterns network.spec"
   },
   "files": [
     "dist/*",

test/FixtureDownloader.ts

@@ -0,0 +1,18 @@
+import * as fs from 'fs-extra';
+import * as path from 'path';
+
+import { Downloader } from '../src/Downloader';
+
+const FIXTURE_DIR = path.resolve(__dirname, '../test/fixtures');
+
+export class FixtureDownloader implements Downloader<any> {
+  async download(url: string, targetFilePath: string) {
+    await fs.ensureDir(path.dirname(targetFilePath));
+    const fixtureFile = path.join(FIXTURE_DIR, path.basename(targetFilePath));
+    if (!(await fs.pathExists(fixtureFile))) {
+      throw new Error(`Cannot find the fixture '${fixtureFile}'`);
+    }
+
+    await fs.copy(fixtureFile, targetFilePath);
+  }
+}

test/fixtures/SHASUMS256.txt

@@ -0,0 +1,14 @@
+92fdadf6c3927cea731be8ebeb37566d09926a3e3c83d65fb031e4424d3203e6 *chromedriver-v2.0.9-darwin-x64.zip
+9bd7a71f465f6881bf8b238f269c90668ac217161776ea0ed348c8e70bab2440 *electron.d.ts
+3cb443479f075d014ace1b944e4dc9f12b7b54771a7e0dc62fb4bf3f97792cad *electron-v2.0.10-darwin-x64.zip
+a9709f80ad7f52db2fd8b88b97ae26d94235cf7656ed39e00630c0df91ed0d04 *electron-v2.0.10-linux-x64.zip
+09e1e07b769d57c99993e1173c6ac565a43cfe2fd0ea53aeb4b2cd1839579a3c *electron-v2.0.10-win32-x64.zip
+80c36dea2bd2373da93192797d21eb762b26f196d3ec616082df1be74e855bd2 *electron-v2.0.3-darwin-x64.zip
+eac0266403045f0d22d4e8c864326cbf43f1cca1b6ed1ac037fcb06f6ec46522 *electron-v2.0.3-linux-x64.zip
+3f1e243fce8747c125cb61ab1834b86505b0f9f476141eedd5cfb43b4b1b8c2a *electron-v2.0.3-win32-x64.zip
+ff0bfe95bc2a351e09b959aab0bdab893cb33c203bfff83413c3f0989858c684 *electron-v2.0.9-darwin-x64.zip
+ec951354a58f63e5194ec47e10c493cf8d23c46c0caa9724bdba6d9a88d3695d *electron-v2.0.9-linux-x64.zip
+ae7b827f0649c5ac519080ead2d507479da90f9fbf4941d696bc3e1ae984d6b3 *electron-v2.0.9-win32-x64.zip
+ebb7a042d4885870cc82f510c5cb09c586ed75983a613931779bed01cfb7c657 *electron-v6.0.0-nightly.20190213-darwin-x64.zip
+fb9010e2301ebc24824db1842b97478a61935df741a8b716e9ae278cf234d1e2 *electron-v6.0.0-nightly.20190213-linux-x64.zip
+f28e3f9d2288af6abc31b19ca77a9241499fcd0600420197a9ff8e5e06182701 *electron-v6.0.0-nightly.20190213-win32-x64.zip

test/fixtures/chromedriver-v2.0.9-darwin-x64.zip

@@ -0,0 +1 @@
+chromedriver-v2.0.9-darwin-x64.zip

test/fixtures/electron-v2.0.10-darwin-x64.zip

@@ -0,0 +1 @@
+electron-v2.0.10-darwin-x64.zip

test/fixtures/electron-v2.0.10-linux-x64.zip

@@ -0,0 +1 @@
+electron-v2.0.10-linux-x64.zip

test/fixtures/electron-v2.0.10-win32-x64.zip

@@ -0,0 +1 @@
+electron-v2.0.10-win32-x64.zip

test/fixtures/electron-v2.0.3-darwin-x64.zip

@@ -0,0 +1 @@
+electron-v2.0.3-darwin-x64.zip

test/fixtures/electron-v2.0.3-linux-x64.zip

@@ -0,0 +1 @@
+electron-v2.0.3-linux-x64.zip

test/fixtures/electron-v2.0.3-win32-x64.zip

@@ -0,0 +1 @@
+electron-v2.0.3-win32-x64.zip

test/fixtures/electron-v2.0.9-darwin-x64.zip

@@ -0,0 +1 @@
+electron-v2.0.9-darwin-x64.zip

test/fixtures/electron-v2.0.9-linux-x64.zip

@@ -0,0 +1 @@
+electron-v2.0.9-linux-x64.zip

test/fixtures/electron-v2.0.9-win32-x64.zip

@@ -0,0 +1 @@
+electron-v2.0.9-win32-x64.zip

test/fixtures/electron-v6.0.0-nightly.20190213-darwin-x64.zip

@@ -0,0 +1 @@
+electron-v6.0.0-nightly.20190213-darwin-x64.zip

test/fixtures/electron-v6.0.0-nightly.20190213-linux-x64.zip

@@ -0,0 +1 @@
+electron-v6.0.0-nightly.20190213-linux-x64.zip

test/fixtures/electron-v6.0.0-nightly.20190213-win32-x64.zip

@@ -0,0 +1 @@
+electron-v6.0.0-nightly.20190213-win32-x64.zip

test/fixtures/electron.d.ts

@@ -0,0 +1 @@
+declare namespace Electron {}

test/index.spec.ts

@@ -3,10 +3,11 @@ import * as fs from 'fs-extra';
 import * as os from 'os';
 import * as path from 'path';
 
+import { FixtureDownloader } from './FixtureDownloader';
 import { download, downloadArtifact } from '../src';
 
 describe('Public API', () => {
-  jest.setTimeout(120000);
+  const downloader = new FixtureDownloader();
 
   let cacheRoot: string;
   beforeEach(async () => {
@@ -21,6 +22,7 @@ describe('Public API', () => {
     it('should return a valid path to a downloaded zip file', async () => {
       const zipPath = await download('2.0.10', {
         cacheRoot,
+        downloader,
       });
       expect(typeof zipPath).toEqual('string');
       expect(await fs.pathExists(zipPath)).toEqual(true);
@@ -30,6 +32,7 @@ describe('Public API', () => {
     it('should return a valid path to a downloaded zip file for nightly releases', async () => {
       const zipPath = await download('6.0.0-nightly.20190213', {
         cacheRoot,
+        downloader,
       });
       expect(typeof zipPath).toEqual('string');
       expect(await fs.pathExists(zipPath)).toEqual(true);
@@ -39,11 +42,13 @@ describe('Public API', () => {
     it('should not redownload when force=false', async () => {
       const zipPath = await download('2.0.9', {
         cacheRoot,
+        downloader,
         force: false,
       });
       await fs.writeFile(zipPath, 'bad content');
       const zipPath2 = await download('2.0.9', {
         cacheRoot,
+        downloader,
         force: false,
       });
       expect(zipPath).toEqual(zipPath2);
@@ -53,6 +58,7 @@ describe('Public API', () => {
     it('should redownload when force=true', async () => {
       const zipPath = await download('2.0.9', {
         cacheRoot,
+        downloader,
         force: true,
       });
       const hash = crypto
@@ -62,6 +68,7 @@ describe('Public API', () => {
       await fs.writeFile(zipPath, 'bad content');
       const zipPath2 = await download('2.0.9', {
         cacheRoot,
+        downloader,
         force: true,
       });
       expect(zipPath).toEqual(zipPath2);
@@ -77,7 +84,7 @@ describe('Public API', () => {
         cacheRoot,
         unsafelyDisableChecksums: true,
         downloader: {
-          async download(url, targetPath) {
+          async download(url: string, targetPath: string) {
             expect(
               url.replace(process.platform, 'platform').replace(process.arch, 'arch'),
             ).toMatchSnapshot();
@@ -97,7 +104,7 @@ describe('Public API', () => {
         cacheRoot,
         unsafelyDisableChecksums: true,
         downloader: {
-          async download(url, targetPath, opts) {
+          async download(url: string, targetPath: string, opts?: any) {
             expect(opts).toStrictEqual(downloadOpts);
             await fs.writeFile(targetPath, 'file');
           },
@@ -111,6 +118,7 @@ describe('Public API', () => {
     it('should work for electron.d.ts', async () => {
       const dtsPath = await downloadArtifact({
         cacheRoot,
+        downloader,
         isGeneric: true,
         version: '2.0.9',
         artifactName: 'electron.d.ts',
@@ -122,6 +130,7 @@ describe('Public API', () => {
 
     it('should work default platform/arch', async () => {
       await downloadArtifact({
+        downloader,
         version: '2.0.3',
         artifactName: 'electron',
       });
@@ -130,6 +139,7 @@ describe('Public API', () => {
     it('should work for chromedriver', async () => {
       const driverPath = await downloadArtifact({
         cacheRoot,
+        downloader,
         version: '2.0.9',
         artifactName: 'chromedriver',
         platform: 'darwin',