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import http from "node:http";
import { readFile, stat } from "node:fs/promises";
import { createReadStream } from "node:fs";
import mockServer from "../middleware-mockserver.cjs";
import getRawBody from "raw-body";
export async function createTestServer( report, { quiet } = {} ) {
const indexHTML = await readFile( "./test/index.html", "utf8" );
// Support connect-style middleware
const middlewares = [];
function use( middleware ) {
middlewares.push( middleware );
}
function run( req, res ) {
let i = 0;
// Log responses unless quiet is set
if ( !quiet ) {
const originalEnd = res.end;
res.end = function( ...args ) {
console.log( `${ req.method } ${ req.url } ${ this.statusCode }` );
originalEnd.call( this, ...args );
};
}
// Add a parsed URL object to the request object
req.parsedUrl = new URL(
`http://${ process.env.HOST ?? "localhost" }${ req.url }`
);
// Add a simplified redirect helper to the response object
res.redirect = ( status, location ) => {
if ( !location ) {
location = status;
status = 303;
}
res.writeHead( status, { Location: location } );
res.end();
};
const next = () => {
const middleware = middlewares[ i++ ];
if ( middleware ) {
try {
middleware( req, res, next );
} catch ( error ) {
console.error( error );
res.writeHead( 500, { "Content-Type": "application/json" } );
res.end( "Internal Server Error" );
}
} else {
res.writeHead( 404 );
res.end();
}
};
next();
}
// Redirect home to test page
use( ( req, res, next ) => {
if ( req.parsedUrl.pathname === "/" ) {
res.redirect( "/test/" );
} else {
next();
}
} );
// Redirect to trailing slash
use( ( req, res, next ) => {
if ( req.parsedUrl.pathname === "/test" ) {
res.redirect( 308, `${ req.parsedUrl.pathname }/${ req.parsedUrl.search }` );
} else {
next();
}
} );
// Add a script tag to the index.html to load the QUnit listeners
use( ( req, res, next ) => {
if (
( req.method === "GET" || req.method === "HEAD" ) &&
( req.parsedUrl.pathname === "/test/" ||
req.parsedUrl.pathname === "/test/index.html" )
) {
res.writeHead( 200, { "Content-Type": "text/html" } );
res.end(
indexHTML.replace(
"</head>",
"<script src=\"/test/runner/listeners.js\"></script></head>"
)
);
} else {
next();
}
} );
// Bind the reporter
use( async( req, res, next ) => {
if ( req.url !== "/api/report" || req.method !== "POST" ) {
return next();
}
let body;
try {
body = JSON.parse( await getRawBody( req ) );
} catch ( error ) {
if ( error.code === "ECONNABORTED" ) {
return;
}
console.error( error );
res.writeHead( 400, { "Content-Type": "application/json" } );
res.end( JSON.stringify( { error: "Invalid JSON" } ) );
return;
}
const response = await report( body );
if ( response ) {
res.writeHead( 200, { "Content-Type": "application/json" } );
res.end( JSON.stringify( response ) );
} else {
res.writeHead( 204 );
res.end();
}
} );
// Hook up mock server
use( mockServer() );
// Serve static files
const validMimeTypes = {
// No .mjs or .cjs files are used in tests
".js": "application/javascript",
".css": "text/css",
".html": "text/html",
".xml": "application/xml",
".xhtml": "application/xhtml+xml",
".jpg": "image/jpeg",
".png": "image/png",
".svg": "image/svg+xml",
".ico": "image/x-icon",
".map": "application/json",
".txt": "text/plain",
".log": "text/plain"
};
use( async( req, res, next ) => {
if (
!req.url.startsWith( "/dist/" ) &&
!req.url.startsWith( "/src/" ) &&
!req.url.startsWith( "/test/" ) &&
!req.url.startsWith( "/external/" )
) {
return next();
}
const file = req.parsedUrl.pathname.slice( 1 );
const ext = file.slice( file.lastIndexOf( "." ) );
// Allow POST to .html files in tests
if (
req.method !== "GET" &&
req.method !== "HEAD" &&
( ext !== ".html" || req.method !== "POST" )
) {
return next();
}
const mimeType = validMimeTypes[ ext ];
if ( mimeType ) {
try {
await stat( file );
} catch ( error ) {
res.writeHead( 404 );
res.end();
return;
}
res.writeHead( 200, { "Content-Type": mimeType } );
createReadStream( file )
.pipe( res )
.on( "error", ( error ) => {
console.error( error );
res.writeHead( 500 );
res.end();
} );
} else {
console.error( `Invalid file extension: ${ ext }` );
res.writeHead( 404 );
res.end();
}
} );
return http.createServer( run );
}
|
