1 files changed, 53 insertions, 0 deletions
diff --git a/testing/web-platform/tests/service-workers/service-worker/resources/worker-interception-redirect-serviceworker.js b/testing/web-platform/tests/service-workers/service-worker/resources/worker-interception-redirect-serviceworker.js
new file mode 100644
index 0000000000..d36b0b6da6
--- /dev/null
+++ b/testing/web-platform/tests/service-workers/service-worker/resources/worker-interception-redirect-serviceworker.js
@@ -0,0 +1,53 @@
+let name;
+if (self.registration.scope.indexOf('scope1') != -1)
+  name = 'sw1';
+if (self.registration.scope.indexOf('scope2') != -1)
+  name = 'sw2';
+
+
+self.addEventListener('fetch', evt => {
+  // There are three types of requests this service worker handles.
+
+  // (1) The first request for the worker, which will redirect elsewhere.
+  // "redirect.py" means to test network redirect, so let network handle it.
+  if (evt.request.url.indexOf('redirect.py') != -1) {
+    return;
+  }
+  // "sw-redirect" means to test service worker redirect, so respond with a
+  // redirect.
+  if (evt.request.url.indexOf('sw-redirect') != -1) {
+    const url = new URL(evt.request.url);
+    const redirect_to = url.searchParams.get('Redirect');
+    evt.respondWith(Response.redirect(redirect_to));
+    return;
+  }
+
+  // (2) After redirect, the request is for a "webworker.py" URL.
+  // Add a search parameter to indicate this service worker handled the
+  // final request for the worker.
+  if (evt.request.url.indexOf('webworker.py') != -1) {
+    const greeting = encodeURIComponent(`${name} saw the request for the worker script`);
+    // Serve from `./subdir/`, not `./`,
+    // to conform that the base URL used in the worker is
+    // the response URL (`./subdir/`), not the current request URL (`./`).
+    evt.respondWith(fetch(`subdir/worker_interception_redirect_webworker.py?greeting=${greeting}`));
+    return;
+  }
+
+  const path = (new URL(evt.request.url)).pathname;
+
+  // (3) The worker does an importScripts() to import-scripts-echo.py. Indicate
+  // that this service worker handled the request.
+  if (evt.request.url.indexOf('import-scripts-echo.py') != -1) {
+    const msg = encodeURIComponent(`${name} saw importScripts from the worker: ${path}`);
+    evt.respondWith(fetch(`import-scripts-echo.py?msg=${msg}`));
+    return;
+  }
+
+  // (4) The worker does a fetch() to simple.txt. Indicate that this service
+  // worker handled the request.
+  if (evt.request.url.indexOf('simple.txt') != -1) {
+    evt.respondWith(new Response(`${name} saw the fetch from the worker: ${path}`));
+    return;
+  }
+});