1 files changed, 24 insertions, 0 deletions
diff --git a/dom/serviceworkers/test/sw_respondwith_serviceworker.js b/dom/serviceworkers/test/sw_respondwith_serviceworker.js
new file mode 100644
index 0000000000..6ddbc3d5c1
--- /dev/null
+++ b/dom/serviceworkers/test/sw_respondwith_serviceworker.js
@@ -0,0 +1,24 @@
+const SERVICEWORKER_DOC = `<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <script src="utils.js" type="text/javascript"></script>
+</head>
+<body>
+SERVICEWORKER
+</body>
+</html>
+`;
+
+const SERVICEWORKER_RESPONSE = new Response(SERVICEWORKER_DOC, {
+  headers: { "content-type": "text/html" },
+});
+
+addEventListener("fetch", event => {
+  // Allow utils.js which we explicitly include to be loaded by resetting
+  // interception.
+  if (event.request.url.endsWith("/utils.js")) {
+    return;
+  }
+  event.respondWith(SERVICEWORKER_RESPONSE.clone());
+});