Use a separate docker nginx image to serve test files

This obviates the need to start/stop a web-server for each package test and paves the way to something we'll need later.

bin/pre-commit.sh

@@ -1,4 +1,11 @@
 #!/bin/sh
 
+docker-compose up --detach test-web
+
 nodejs node_modules/lerna/bin/lerna.js run pre-commit \
 	&& npm run check_code_format
+EXIT=$?
+
+docker-compose stop test-web
+
+exit $EXIT

bin/runTests.js

@@ -3,8 +3,6 @@
 
 const fs = require('fs');
 const path = require('path');
-const url = require('url');
-const http = require('http');
 
 const chromeLauncher = require('chrome-launcher');
 const CDP = require('chrome-remote-interface');
@@ -12,12 +10,11 @@ const CDP = require('chrome-remote-interface');
 const SPEC_DIR = 'spec';
 const TEST_FILENAME = '.spec_runner.html';
 const HOST = '127.0.0.1';
-// Randomize the port so we can just run again if there's a stuck process.
-const PORT = Math.floor(Math.random() * 40000) + 1025;
+const PORT = 8090;
 
 const DEBUG =
 	typeof process.env['DEBUG'] === 'string'
-		? process.env['DEBUG'].toLower() == 'true'
+		? process.env['DEBUG'].toLowerCase() == 'true'
 		: !!process.env['DEBUG'];
 const PORTFOLIO_DIR = path.normalize(path.join(__dirname, '..'));
 const JASMINE_DIR = path.relative(
@@ -38,7 +35,6 @@ const items = fs.readdirSync(packageRoot);
 let chrome, protocol;
 
 writeSpecRunner();
-startStaticServer();
 runTestsInChrome();
 
 // ----------------------
@@ -85,49 +81,6 @@ function writeSpecRunner() {
 	fs.writeFileSync(testPath, runnerText);
 }
 
-function startStaticServer() {
-	// An adaptation of https://gist.github.com/ryanflorence/701407
-	const server = http.createServer(function(request, response) {
-		var uri = url.parse(request.url).pathname,
-			filename = path.join(PORTFOLIO_DIR, uri);
-
-		fs.access(filename, fs.constants.R_OK, function(err) {
-			if (err) {
-				response.writeHead(404, { 'Content-Type': 'text/plain' });
-				response.write('404 Not Found\n');
-				response.end();
-				return;
-			}
-
-			if (fs.statSync(filename).isDirectory()) filename += '/index.html';
-
-			fs.readFile(filename, 'binary', function(err, file) {
-				if (err) {
-					response.writeHead(500, { 'Content-Type': 'text/plain' });
-					response.write(err + '\n');
-					response.end();
-					return;
-				}
-
-				response.writeHead(200, {
-					'Content-Type': mime(filename)
-				});
-				response.write(file, 'binary');
-				response.end();
-			});
-		});
-	});
-	server.on('error', e => {
-		if (e.code === 'EADDRINUSE') {
-			setTimeout(() => {
-				server.close();
-				server.listen(PORT, HOST);
-			}, 500);
-		}
-	});
-	server.listen(parseInt(PORT, 10));
-}
-
 async function runTestsInChrome() {
 	chrome = await launchChrome();
 	protocol = await CDP({

docker-compose.yml

@@ -1,6 +1,12 @@
 version: '2'
 
 services:
+  test-web:
+    image: nginx:stable-alpine
+    ports:
+      - 8090:80
+    volumes:
+      - ./:/usr/share/nginx/html:ro
   cloud9:
     image: sapk/cloud9:latest
     restart: unless-stopped

package.json

@@ -7,11 +7,12 @@
 	},
 	"scripts": {
 		"check_code_format": "nodejs node_modules/prettier/bin-prettier.js --config ./prettier.config.js --list-different \"{.,{packages,bin}/**/!(dist)}/*.{js,json,md}\"",
-		"format_code": "nodejs node_modules/prettier/bin-prettier.js --config ./prettier.config.js --write \"{.,{packages,bin}/**/!(dist)}/*.{js,json,md}\""
+		"format_code": "nodejs node_modules/prettier/bin-prettier.js --config ./prettier.config.js --write \"{.,{packages,bin}/**/!(dist)}/*.{js,json,md}\"",
+		"pre-commit": "sh ./bin/pre-commit.sh"
 	},
 	"husky": {
 		"hooks": {
-			"pre-commit": "sh ./bin/pre-commit.sh"
+			"pre-commit": "npm run pre-commit"
 		}
 	}
 }