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Copy pathwebTestServer.ts
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335 lines (299 loc) · 11.5 KB
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/// <reference types="node" />
import http = require("http");
import fs = require("fs");
import path = require("path");
import url = require("url");
import child_process = require("child_process");
import os = require("os");
/// Command line processing ///
if (process.argv[2] == "--help") {
console.log("Runs a node server on port 8888, looking for tests folder in the current directory\n");
console.log("Syntax: node nodeServer.js [typescriptEnlistmentDirectory] [tests] [--browser] [--verbose]\n");
console.log("Examples: \n\tnode nodeServer.js .");
console.log("\tnode nodeServer.js 3000 D:/src/typescript/public --verbose IE");
}
function switchToForwardSlashes(path: string) {
return path.replace(/\\/g, "/").replace(/\/\//g, "/");
}
const port = 8888; // harness.ts and webTestResults.html depend on this exact port number.
let browser: string;
if (process.argv[2]) {
browser = process.argv[2];
if (browser !== "chrome" && browser !== "IE") {
console.log(`Invalid command line arguments. Got ${browser} but expected chrome, IE or nothing.`);
}
}
const grep = process.argv[3];
let verbose = false;
if (process.argv[4] == "--verbose") {
verbose = true;
}
else if (process.argv[4] && process.argv[4] !== "--verbose") {
console.log(`Invalid command line arguments. Got ${process.argv[4]} but expected --verbose or nothing.`);
}
/// Utils ///
function log(msg: string) {
if (verbose) {
console.log(msg);
}
}
const directorySeparator = "/";
function getRootLength(path: string): number {
if (path.charAt(0) === directorySeparator) {
if (path.charAt(1) !== directorySeparator) return 1;
const p1 = path.indexOf("/", 2);
if (p1 < 0) return 2;
const p2 = path.indexOf("/", p1 + 1);
if (p2 < 0) return p1 + 1;
return p2 + 1;
}
if (path.charAt(1) === ":") {
if (path.charAt(2) === directorySeparator) return 3;
}
// Per RFC 1738 'file' URI schema has the shape file://<host>/<path>
// if <host> is omitted then it is assumed that host value is 'localhost',
// however slash after the omitted <host> is not removed.
// file:///folder1/file1 - this is a correct URI
// file://folder2/file2 - this is an incorrect URI
if (path.lastIndexOf("file:///", 0) === 0) {
return "file:///".length;
}
const idx = path.indexOf("://");
if (idx !== -1) {
return idx + "://".length;
}
return 0;
}
function getDirectoryPath(path: string): any {
path = switchToForwardSlashes(path);
return path.substr(0, Math.max(getRootLength(path), path.lastIndexOf(directorySeparator)));
}
function ensureDirectoriesExist(path: string) {
path = switchToForwardSlashes(path);
if (path.length > getRootLength(path) && !fs.existsSync(path)) {
const parentDirectory = getDirectoryPath(path);
ensureDirectoriesExist(parentDirectory);
if (!fs.existsSync(path)) {
fs.mkdirSync(path);
}
}
}
// Copied from the compiler sources
function dir(dirPath: string, spec?: string, options?: any) {
options = options || <{ recursive?: boolean; }>{};
return filesInFolder(dirPath);
function filesInFolder(folder: string): string[] {
folder = switchToForwardSlashes(folder);
let paths: string[] = [];
// Everything after the current directory is relative
const baseDirectoryLength = process.cwd().length + 1;
try {
const files = fs.readdirSync(folder);
for (let i = 0; i < files.length; i++) {
const stat = fs.statSync(path.join(folder, files[i]));
if (options.recursive && stat.isDirectory()) {
paths = paths.concat(filesInFolder(path.join(folder, files[i])));
}
else if (stat.isFile() && (!spec || files[i].match(spec))) {
const relativePath = folder.substring(baseDirectoryLength);
paths.push(path.join(relativePath, files[i]));
}
}
}
catch (err) {
// Skip folders that are inaccessible
}
return paths;
}
}
function writeFile(path: string, data: any) {
ensureDirectoriesExist(getDirectoryPath(path));
fs.writeFileSync(path, data);
}
/// Request Handling ///
function handleResolutionRequest(filePath: string, res: http.ServerResponse) {
let resolvedPath = path.resolve(filePath, "");
resolvedPath = resolvedPath.substring(resolvedPath.indexOf("tests"));
resolvedPath = switchToForwardSlashes(resolvedPath);
send(ResponseCode.Success, res, resolvedPath);
}
const enum ResponseCode {
Success = 200,
BadRequest = 400,
NotFound = 404,
MethodNotAllowed = 405,
PayloadTooLarge = 413,
Fail = 500
}
function send(responseCode: number, res: http.ServerResponse, contents: string, contentType = "binary"): void {
res.writeHead(responseCode, { "Content-Type": contentType });
res.end(contents);
}
// Reads the data from a post request and passes it to the given callback
function processPost(req: http.ServerRequest, res: http.ServerResponse, callback: (data: string) => any): void {
let queryData = "";
if (typeof callback !== "function") return;
if (req.method == "POST") {
req.on("data", (data: string) => {
queryData += data;
if (queryData.length > 1e8) {
queryData = "";
send(ResponseCode.PayloadTooLarge, res, undefined);
console.log("ERROR: destroying connection");
req.connection.destroy();
}
});
req.on("end", () => {
// res.post = url.parse(req.url).query;
callback(queryData);
});
}
else {
send(ResponseCode.MethodNotAllowed, res, undefined);
}
}
enum RequestType {
GetFile,
GetDir,
ResolveFile,
WriteFile,
DeleteFile,
WriteDir,
DeleteDir,
AppendFile,
Unknown
}
function getRequestOperation(req: http.ServerRequest) {
if (req.method === "GET" && req.url.indexOf("?") === -1) {
if (req.url.indexOf(".") !== -1) return RequestType.GetFile;
else return RequestType.GetDir;
}
else {
const queryData: any = url.parse(req.url, /*parseQueryString*/ true).query;
if (req.method === "GET" && queryData.resolve !== undefined) return RequestType.ResolveFile;
// mocha uses ?grep=<regexp> query string as equivalent to the --grep command line option used to filter tests
if (req.method === "GET" && queryData.grep !== undefined) return RequestType.GetFile;
if (req.method === "POST" && queryData.action) {
const path = req.url.substr(0, req.url.lastIndexOf("?"));
const isFile = path.substring(path.lastIndexOf("/")).indexOf(".") !== -1;
switch (queryData.action.toUpperCase()) {
case "WRITE":
return isFile ? RequestType.WriteFile : RequestType.WriteDir;
case "DELETE":
return isFile ? RequestType.DeleteFile : RequestType.DeleteDir;
case "APPEND":
return isFile ? RequestType.AppendFile : RequestType.Unknown;
}
}
return RequestType.Unknown;
}
}
function handleRequestOperation(req: http.ServerRequest, res: http.ServerResponse, operation: RequestType, reqPath: string) {
switch (operation) {
case RequestType.GetDir:
const filesInFolder = dir(reqPath, "", { recursive: true });
send(ResponseCode.Success, res, filesInFolder.join(","));
break;
case RequestType.GetFile:
fs.readFile(reqPath, (err, file) => {
const contentType = contentTypeForExtension(path.extname(reqPath));
if (err) {
send(ResponseCode.NotFound, res, err.message, contentType);
}
else {
send(ResponseCode.Success, res, <any>file, contentType);
}
});
break;
case RequestType.ResolveFile:
const resolveRequest = req.url.match(/(.*)\?resolve/);
handleResolutionRequest(resolveRequest[1], res);
break;
case RequestType.WriteFile:
processPost(req, res, (data) => {
writeFile(reqPath, data);
});
send(ResponseCode.Success, res, undefined);
break;
case RequestType.WriteDir:
fs.mkdirSync(reqPath);
send(ResponseCode.Success, res, undefined);
break;
case RequestType.DeleteFile:
if (fs.existsSync(reqPath)) {
fs.unlinkSync(reqPath);
}
send(ResponseCode.Success, res, undefined);
break;
case RequestType.DeleteDir:
if (fs.existsSync(reqPath)) {
fs.rmdirSync(reqPath);
}
send(ResponseCode.Success, res, undefined);
break;
case RequestType.AppendFile:
processPost(req, res, (data) => {
fs.appendFileSync(reqPath, data);
});
send(ResponseCode.Success, res, undefined);
break;
case RequestType.Unknown:
default:
send(ResponseCode.BadRequest, res, undefined);
break;
}
function contentTypeForExtension(ext: string) {
switch (ext) {
case ".js": return "text/javascript";
case ".css": return "text/css";
case ".html": return "text/html";
default: return "binary";
}
}
}
console.log(`Static file server running at\n => http://localhost:${port}/\nCTRL + C to shutdown`);
http.createServer((req: http.ServerRequest, res: http.ServerResponse) => {
log(`${req.method} ${req.url}`);
const uri = decodeURIComponent(url.parse(req.url).pathname);
const reqPath = path.join(process.cwd(), uri);
const operation = getRequestOperation(req);
handleRequestOperation(req, res, operation, reqPath);
}).listen(port);
let browserPath: string;
if (browser === "chrome") {
let defaultChromePath = "";
switch (os.platform()) {
case "win32":
defaultChromePath = "C:/Program Files (x86)/Google/Chrome/Application/chrome.exe";
break;
case "darwin":
defaultChromePath = "/Applications/Google Chrome.app/Contents/MacOS/Google Chrome";
break;
case "linux":
defaultChromePath = "/opt/google/chrome/chrome";
break;
default:
console.log(`default Chrome location is unknown for platform '${os.platform()}'`);
break;
}
if (fs.existsSync(defaultChromePath)) {
browserPath = defaultChromePath;
}
else {
browserPath = browser;
}
}
else {
const defaultIEPath = "C:/Program Files/Internet Explorer/iexplore.exe";
if (fs.existsSync(defaultIEPath)) {
browserPath = defaultIEPath;
}
else {
browserPath = browser;
}
}
console.log(`Using browser: ${browserPath}`);
const queryString = grep ? `?grep=${grep}` : "";
child_process.spawn(browserPath, [`http://localhost:${port}/tests/webTestResults.html${queryString}`], {
stdio: "inherit"
});
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