fune/toolkit/components/extensions/test/xpcshell/test_ext_geckoProfiler_schema.js

"use strict";

add_task(async function() {
  const acceptedExtensionIdsPref = "extensions.geckoProfiler.acceptedExtensionIds";
  Services.prefs.setCharPref(acceptedExtensionIdsPref, "profilertest@mozilla.com");

  let extension = ExtensionTestUtils.loadExtension({
    background: () => {
      browser.test.sendMessage(
        "features",
        Object.values(browser.geckoProfiler.ProfilerFeature));
    },
    manifest: {
      "permissions": ["geckoProfiler"],
      "applications": {
        "gecko": {
          "id": "profilertest@mozilla.com",
        },
      },
    },
  });

  await extension.startup();
  let acceptedFeatures = await extension.awaitMessage("features");
  await extension.unload();

  Services.prefs.clearUserPref(acceptedExtensionIdsPref);

  const allFeaturesAcceptedByProfiler = Services.profiler.GetAllFeatures([]);
  ok(allFeaturesAcceptedByProfiler.length >= 2,
     "Either we've massively reduced the profiler's feature set, or something is wrong.");

  // Check that the list of available values in the ProfilerFeature enum
  // matches the list of features supported by the profiler.
  for (const feature of allFeaturesAcceptedByProfiler) {
    ok(acceptedFeatures.includes(feature),
       `The schema of the geckoProfiler.start() method should accept the "${feature}" feature.`);
  }
  for (const feature of acceptedFeatures) {
    ok(allFeaturesAcceptedByProfiler.includes(feature),
       `The schema of the geckoProfiler.start() method mentions a "${feature}" feature which is not supported by the profiler.`);
  }
});