1 files changed, 100 insertions, 0 deletions
diff --git a/devtools/client/netmonitor/test/browser_net_telemetry_filters_changed.js b/devtools/client/netmonitor/test/browser_net_telemetry_filters_changed.js
new file mode 100644
index 0000000000..43ae10f489
--- /dev/null
+++ b/devtools/client/netmonitor/test/browser_net_telemetry_filters_changed.js
@@ -0,0 +1,100 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const ALL_CHANNELS = Ci.nsITelemetry.DATASET_ALL_CHANNELS;
+
+/**
+ * Test the filters_changed telemetry event.
+ */
+add_task(async function () {
+  const { monitor } = await initNetMonitor(HTTPS_SIMPLE_URL, {
+    requestCount: 1,
+  });
+  info("Starting test... ");
+
+  const { document, store, windowRequire } = monitor.panelWin;
+  const Actions = windowRequire("devtools/client/netmonitor/src/actions/index");
+  const { getDisplayedRequests } = windowRequire(
+    "devtools/client/netmonitor/src/selectors/index"
+  );
+
+  store.dispatch(Actions.batchEnable(false));
+
+  await waitForAllNetworkUpdateEvents();
+  // Remove all telemetry events (you can check about:telemetry).
+  Services.telemetry.clearEvents();
+
+  // Ensure no events have been logged
+  const snapshot = Services.telemetry.snapshotEvents(ALL_CHANNELS, true);
+  ok(!snapshot.parent, "No events have been logged for the main process");
+
+  // Reload to have one request in the list.
+  const wait = waitForNetworkEvents(monitor, 1);
+  await waitForAllNetworkUpdateEvents();
+  await navigateTo(HTTPS_SIMPLE_URL);
+  await wait;
+
+  info("Click on the 'HTML' filter");
+  EventUtils.sendMouseEvent(
+    { type: "click" },
+    document.querySelector(".requests-list-filter-html-button")
+  );
+
+  checkTelemetryEvent(
+    {
+      trigger: "html",
+      active: "html",
+      inactive: "all,css,js,xhr,fonts,images,media,ws,other",
+    },
+    {
+      method: "filters_changed",
+    }
+  );
+
+  info("Click on the 'CSS' filter");
+  EventUtils.sendMouseEvent(
+    { type: "click" },
+    document.querySelector(".requests-list-filter-css-button")
+  );
+
+  checkTelemetryEvent(
+    {
+      trigger: "css",
+      active: "html,css",
+      inactive: "all,js,xhr,fonts,images,media,ws,other",
+    },
+    {
+      method: "filters_changed",
+    }
+  );
+
+  info("Filter the output using the text filter input");
+  setFreetextFilter(monitor, "nomatch");
+
+  // Wait till the text filter is applied.
+  await waitUntil(() => !getDisplayedRequests(store.getState()).length);
+
+  checkTelemetryEvent(
+    {
+      trigger: "text",
+      active: "html,css",
+      inactive: "all,js,xhr,fonts,images,media,ws,other",
+    },
+    {
+      method: "filters_changed",
+    }
+  );
+
+  return teardown(monitor);
+});
+
+function setFreetextFilter(monitor, value) {
+  const { document } = monitor.panelWin;
+
+  const filterBox = document.querySelector(".devtools-filterinput");
+  filterBox.focus();
+  filterBox.value = "";
+  typeInNetmonitor(value, monitor);
+}