1 files changed, 77 insertions, 0 deletions
diff --git a/devtools/client/performance/test/browser_timeline-waterfall-sidebar.js b/devtools/client/performance/test/browser_timeline-waterfall-sidebar.js
new file mode 100644
index 0000000000..e82c463742
--- /dev/null
+++ b/devtools/client/performance/test/browser_timeline-waterfall-sidebar.js
@@ -0,0 +1,77 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+/* eslint-disable */
+/**
+ * Tests if the sidebar is properly updated when a marker is selected.
+ */
+
+async function spawnTest() {
+  let { target, panel } = await initPerformance(SIMPLE_URL);
+  let { $, $$, PerformanceController, WaterfallView } = panel.panelWin;
+  let { L10N } = require("devtools/client/performance/modules/global");
+  let { MarkerBlueprintUtils } = require("devtools/client/performance/modules/marker-blueprint-utils");
+
+  // Hijack the markers massaging part of creating the waterfall view,
+  // to prevent collapsing markers and allowing this test to verify
+  // everything individually. A better solution would be to just expand
+  // all markers first and then skip the meta nodes, but I'm lazy.
+  WaterfallView._prepareWaterfallTree = markers => {
+    return { submarkers: markers };
+  };
+
+  await startRecording(panel);
+  ok(true, "Recording has started.");
+
+  await waitUntil(() => {
+    // Wait until we get 3 different markers.
+    let markers = PerformanceController.getCurrentRecording().getMarkers();
+    return markers.some(m => m.name == "Styles") &&
+           markers.some(m => m.name == "Reflow") &&
+           markers.some(m => m.name == "Paint");
+  });
+
+  await stopRecording(panel);
+  ok(true, "Recording has ended.");
+
+  info("No need to select everything in the timeline.");
+  info("All the markers should be displayed by default.");
+
+  let bars = $$(".waterfall-marker-bar");
+  let markers = PerformanceController.getCurrentRecording().getMarkers();
+
+  info(`Got ${bars.length} bars and ${markers.length} markers.`);
+  info("Markers types from datasrc: " + Array.from(markers, e => e.name));
+  info("Markers names from sidebar: " + Array.from(bars, e => e.parentNode.parentNode.querySelector(".waterfall-marker-name").getAttribute("value")));
+
+  ok(bars.length > 2, "Got at least 3 markers (1)");
+  ok(markers.length > 2, "Got at least 3 markers (2)");
+
+  let toMs = ms => L10N.getFormatStrWithNumbers("timeline.tick", ms);
+
+  for (let i = 0; i < bars.length; i++) {
+    let bar = bars[i];
+    let mkr = markers[i];
+    await EventUtils.sendMouseEvent({ type: "mousedown" }, bar);
+
+    let type = $(".marker-details-type").getAttribute("value");
+    let tooltip = $(".marker-details-duration").getAttribute("tooltiptext");
+    let duration = $(".marker-details-duration .marker-details-labelvalue").getAttribute("value");
+
+    info("Current marker data: " + mkr.toSource());
+    info("Current marker output: " + $("#waterfall-details").innerHTML);
+
+    is(type, MarkerBlueprintUtils.getMarkerLabel(mkr), "Sidebar title matches markers name.");
+
+    // Values are rounded. We don't use a strict equality.
+    is(toMs(mkr.end - mkr.start), duration, "Sidebar duration is valid.");
+
+    // For some reason, anything that creates "→" here turns it into a "â" for some reason.
+    // So just check that start and end time are in there somewhere.
+    ok(tooltip.includes(toMs(mkr.start)), "Tooltip has start time.");
+    ok(tooltip.includes(toMs(mkr.end)), "Tooltip has end time.");
+  }
+
+  await teardown(panel);
+  finish();
+}
+/* eslint-enable */