1 files changed, 29 insertions, 0 deletions
diff --git a/test/runner/lib/buildTestUrl.js b/test/runner/lib/buildTestUrl.js
new file mode 100644
index 000000000..6e0f1a9b0
--- /dev/null
+++ b/test/runner/lib/buildTestUrl.js
@@ -0,0 +1,29 @@
+import { generateModuleId } from "./generateHash.js";
+
+export function buildTestUrl( modules, { browserstack, esm, jsdom, port, reportId } ) {
+	if ( !port ) {
+		throw new Error( "No port specified." );
+	}
+
+	const query = new URLSearchParams();
+	for ( const module of modules ) {
+		query.append( "moduleId", generateModuleId( module ) );
+	}
+
+	if ( esm ) {
+		query.append( "esmodules", "true" );
+	}
+
+	if ( jsdom ) {
+		query.append( "jsdom", "true" );
+	}
+
+	if ( reportId ) {
+		query.append( "reportId", reportId );
+	}
+
+	// BrowserStack supplies a custom domain for local testing,
+	// which is especially necessary for iOS testing.
+	const host = browserstack ? "bs-local.com" : "localhost";
+	return `http://${ host }:${ port }/test/?${ query }`;
+}