1 files changed, 56 insertions, 0 deletions
diff --git a/testing/raptor/browsertime/throttled_pageload.js b/testing/raptor/browsertime/throttled_pageload.js
new file mode 100644
index 0000000000..46701b9b59
--- /dev/null
+++ b/testing/raptor/browsertime/throttled_pageload.js
@@ -0,0 +1,56 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* eslint-env node */
+
+const fs = require("fs");
+const path = require("path");
+
+module.exports = async function (context, commands) {
+  context.log.info(
+    "Starting a pageload for which we will first enable the dev tools network throttler"
+  );
+
+  const url = "https://en.wikipedia.org/wiki/Barack_Obama";
+
+  await commands.navigate("about:blank");
+  await commands.wait.byTime(1000);
+
+  // Load the throttling script
+  let throttler_script = null;
+  let throttlerScriptPath = path.join(
+    `${path.resolve(__dirname)}`,
+    "utils",
+    "NetworkThrottlingUtils.js"
+  );
+  try {
+    throttler_script = fs.readFileSync(throttlerScriptPath, "utf8");
+  } catch (error) {
+    throw Error(
+      `Failed to load network throttler script ${throttlerScriptPath}`
+    );
+  }
+
+  // Create a throttler and configure the network
+  let usage = `
+    let networkThrottler = new NetworkThrottler();
+    let throttleData = {
+      latencyMean: 50,
+      latencyMax: 50,
+      downloadBPSMean: 250000,
+      downloadBPSMax: 250000,
+      uploadBPSMean: 250000,
+      uploadBPSMax: 250000
+    };
+    networkThrottler.start(throttleData);
+  `;
+
+  throttler_script += usage;
+  commands.js.runPrivileged(throttler_script);
+
+  await commands.measure.start(url);
+
+  context.log.info("Throttled pageload test finished.");
+  return true;
+};