1 files changed, 20 insertions, 0 deletions
diff --git a/dom/workers/test/serviceworkers/eventsource/eventsource_opaque_response_intercept_worker.js b/dom/workers/test/serviceworkers/eventsource/eventsource_opaque_response_intercept_worker.js
new file mode 100644
index 000000000..45a80e324
--- /dev/null
+++ b/dom/workers/test/serviceworkers/eventsource/eventsource_opaque_response_intercept_worker.js
@@ -0,0 +1,20 @@
+// Cross origin request
+var prefix = 'http://example.com/tests/dom/workers/test/serviceworkers/eventsource/';
+
+self.importScripts('eventsource_worker_helper.js');
+
+self.addEventListener('fetch', function (event) {
+  var request = event.request;
+  var url = new URL(request.url);
+
+  if (url.pathname !== '/tests/dom/workers/test/serviceworkers/eventsource/eventsource.resource') {
+    return;
+  }
+
+  ok(request.mode === 'cors', 'EventSource should make a CORS request');
+  ok(request.cache === 'no-store', 'EventSource should make a no-store request');
+  var fetchRequest = new Request(prefix + 'eventsource.resource', { mode: 'no-cors'});
+  event.respondWith(fetch(fetchRequest).then((fetchResponse) => {
+    return fetchResponse;
+  }));
+});