Integration test the fully built & bundled package

Author: pimterry

.travis.yml

@@ -23,10 +23,13 @@ addons:
 
 jobs:
   include:
-    - stage: Release prebuilt binaries
+    - stage: Build and release binaries
       node_js: '10.15.3'
-      echo: 'Deploying prebuilt binaries...'
-      script: npm run build
+      echo: 'Building binaries...'
+      script:
+        - |
+          npm run build
+          npm run test:release
       before_deploy:
         - |
           echo "Travis tag was $TRAVIS_TAG"

custom-typings/tarball-extract.d.ts

@@ -0,0 +1 @@
+declare module 'tarball-extract';

package-lock.json

@@ -19,7 +19,8 @@
     "build:src": "rm -rf lib && tsc -b",
     "build:release": "oclif-dev manifest && webpack && ts-node ./pack.ts",
     "prepack": "npm run build:src && oclif-dev manifest",
-    "test": "TS_NODE_FILES=true mocha -r ts-node/register 'test/**/*.spec.ts'"
+    "test": "TS_NODE_FILES=true mocha -r ts-node/register 'test/**/*.spec.ts'",
+    "test:release": "TEST_BUILT_TARBALL=1 npm run test"
   },
   "repository": "httptoolkit/httptoolkit-server",
   "homepage": "https://github.com/httptoolkit/httptoolkit-server",
@@ -79,6 +80,7 @@
     "reqwest": "^2.0.5",
     "stripe": "^7.4.0",
     "superagent": "^5.1.0",
+    "tarball-extract": "0.0.6",
     "tmp": "0.0.33",
     "ts-loader": "^6.0.0",
     "ts-node": "^7.0.1",

package.json

@@ -1,13 +1,44 @@
+import { promisify } from 'util';
 import { spawn, ChildProcess } from 'child_process';
 import * as path from 'path';
 import { getRemote } from 'mockttp';
 import * as request from 'request-promise-native';
+import * as tmp from 'tmp';
+import { extractTarball as extractTarballCb } from 'tarball-extract';
+const extractTarball = promisify(extractTarballCb) as (source: string, dest: string) => Promise<void>;
 
 import * as getGraphQL from 'graphql.js';
 
 import { delay } from '../src/util';
 import { expect } from 'chai';
 
+async function setupServerPath() {
+    if (!process.env.TEST_BUILT_TARBALL) {
+        // By default, test the current folder code
+        return path.join(__dirname, '..', 'bin', 'run');
+    }
+
+    // If TEST_BUILT_TARBALL is set, test the latest build ready-to-go tarball:
+    const tmpDir = tmp.dirSync({ unsafeCleanup: true }).name;
+    const version = require(path.join('..', 'package.json')).version;
+    const tarballPath = path.join(
+        __dirname,
+        '..',
+        'build',
+        'dist',
+        `v${version}`,
+        `httptoolkit-server-v${version}.tar.gz`
+    );
+
+    console.log('Extracting built tarball to', tmpDir);
+    await extractTarball(tarballPath, tmpDir);
+
+    // Pretend this is being called by the real startup script,
+    // so it acts like a proper prod build.
+    process.env.HTTPTOOLKIT_SERVER_BINPATH = 'PROD-TEST';
+    return path.join(tmpDir, 'httptoolkit-server', 'bin', 'run');
+}
+
 describe('Integration test', function () {
     // Timeout needs to be long, as first test runs (e.g. in CI) generate
     // fresh certificates, which can take a little while.
@@ -18,7 +49,9 @@ describe('Integration test', function () {
     let stderr = '';
 
     beforeEach(async () => {
-        serverProcess = spawn(path.join(__dirname, '..', 'bin', 'run'), ['start'], {
+        const serverRunPath = await setupServerPath();
+
+        serverProcess = spawn(serverRunPath, ['start'], {
             stdio: 'pipe'
         });
         stdout = "";