1 files changed, 55 insertions, 0 deletions
diff --git a/test/runner/jsdom.js b/test/runner/jsdom.js
new file mode 100644
index 000000000..d370ac348
--- /dev/null
+++ b/test/runner/jsdom.js
@@ -0,0 +1,55 @@
+import jsdom from "jsdom";
+
+const { JSDOM } = jsdom;
+
+const windows = Object.create( null );
+
+export async function runJSDOM( url, { reportId, verbose } ) {
+	const virtualConsole = new jsdom.VirtualConsole();
+	virtualConsole.sendTo( console );
+	virtualConsole.removeAllListeners( "clear" );
+
+	const { window } = await JSDOM.fromURL( url, {
+		resources: "usable",
+		runScripts: "dangerously",
+		virtualConsole
+	} );
+	if ( verbose ) {
+		console.log( "JSDOM window opened.", reportId );
+	}
+	windows[ reportId ] = window;
+
+	return new Promise( ( resolve ) => {
+		window.finish = resolve;
+	} );
+}
+
+export function cleanupJSDOM( reportId, verbose ) {
+	const window = windows[ reportId ];
+	if ( window ) {
+		if ( window.finish ) {
+			window.finish();
+		}
+		window.close();
+		delete windows[ reportId ];
+		if ( verbose ) {
+			console.log( "Closed JSDOM window.", reportId );
+		}
+	}
+}
+
+export function cleanupAllJSDOM( verbose ) {
+	const windowsRemaining = Object.keys( windows ).length;
+	if ( windowsRemaining ) {
+		if ( verbose ) {
+			console.log(
+				`Cleaning up ${ windowsRemaining } JSDOM window${
+					windowsRemaining > 1 ? "s" : ""
+				}...`
+			);
+		}
+		for ( const id in windows ) {
+			cleanupJSDOM( id, verbose );
+		}
+	}
+}