1 files changed, 63 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_redirect_protocol_telemetry.js b/netwerk/test/unit/test_redirect_protocol_telemetry.js
new file mode 100644
index 0000000000..d7f9f93ca6
--- /dev/null
+++ b/netwerk/test/unit/test_redirect_protocol_telemetry.js
@@ -0,0 +1,63 @@
+"use strict";
+
+const { HttpServer } = ChromeUtils.import("resource://testing-common/httpd.js");
+
+function make_channel(url, callback, ctx) {
+  return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
+}
+
+add_task(async function check_protocols() {
+  // Enable the collection (during test) for all products so even products
+  // that don't collect the data will be able to run the test without failure.
+  Services.prefs.setBoolPref(
+    "toolkit.telemetry.testing.overrideProductsCheck",
+    true
+  );
+
+  let httpserv = new HttpServer();
+  httpserv.registerPathHandler("/redirect", redirectHandler);
+  httpserv.registerPathHandler("/content", contentHandler);
+  httpserv.start(-1);
+
+  var responseProtocol;
+
+  function redirectHandler(metadata, response) {
+    response.setStatusLine(metadata.httpVersion, 301, "Moved");
+    let location =
+      responseProtocol == "data"
+        ? "data:text/plain,test"
+        : `${responseProtocol}://localhost:${httpserv.identity.primaryPort}/content`;
+    response.setHeader("Location", location, false);
+    response.setHeader("Cache-Control", "no-cache", false);
+  }
+
+  function contentHandler(metadata, response) {
+    let responseBody = "Content body";
+    response.setHeader("Content-Type", "text/plain");
+    response.bodyOutputStream.write(responseBody, responseBody.length);
+  }
+
+  function make_test(protocol) {
+    do_get_profile();
+    let redirect_hist = TelemetryTestUtils.getAndClearKeyedHistogram(
+      "NETWORK_HTTP_REDIRECT_TO_SCHEME"
+    );
+    return new Promise(resolve => {
+      const URL = `http://localhost:${httpserv.identity.primaryPort}/redirect`;
+      responseProtocol = protocol;
+      let channel = make_channel(URL);
+      let p = new Promise(resolve1 =>
+        channel.asyncOpen(new ChannelListener(resolve1))
+      );
+      p.then((request, buffer) => {
+        TelemetryTestUtils.assertKeyedHistogramSum(redirect_hist, protocol, 1);
+        resolve();
+      });
+    });
+  }
+
+  await make_test("http");
+  await make_test("data");
+
+  await new Promise(resolve => httpserv.stop(resolve));
+});