mozilla-central/toolkit/components/nimbus/test/browser/browser_experimentstore_load_single_feature.js (file symbol)

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Test Info: Errors

/* Any copyright is dedicated to the Public Domain.
"use strict";
const { ExperimentStore } = ChromeUtils.importESModule(
);
const { ExperimentFakes } = ChromeUtils.importESModule(
);
const { ExperimentAPI } = ChromeUtils.importESModule(
);
ChromeUtils.defineESModuleGetters(this, {
});
const SINGLE_FEATURE_RECIPE = {
...ExperimentFakes.experiment(),
branch: {
feature: {
featureId: "urlbar",
value: {
valueThatWillDefinitelyShowUp: 42,
quickSuggestNonSponsoredIndex: 2021,
},
},
ratio: 1,
slug: "control",
},
featureIds: ["urlbar"],
slug: "browser_experimentstore_load_single_feature",
userFacingDescription: "Smarter suggestions in the AwesomeBar",
userFacingName: "Firefox Suggest - History vs Offline",
};
function getPath() {
const profileDir = Services.dirsvc.get("ProfD", Ci.nsIFile).path;
// NOTE: If this test is failing because you have updated this path in `ExperimentStore`,
// users will lose their old experiment data. You should do something to migrate that data.
return PathUtils.join(profileDir, "ExperimentStoreData.json");
}
add_task(async function test_load_from_disk_event() {
Services.prefs.setStringPref("messaging-system.log", "all");
const stub = sinon.stub();
const previousSession = new JSONFile({ path: getPath() });
await previousSession.load();
previousSession.data[SINGLE_FEATURE_RECIPE.slug] = SINGLE_FEATURE_RECIPE;
previousSession.saveSoon();
await previousSession.finalize();
// Create a store and expect to load data from previous session
const store = new ExperimentStore();
let apiStoreStub = sinon.stub(ExperimentAPI, "_store").get(() => store);
store._onFeatureUpdate("urlbar", stub);
await store.init();
await store.ready();
await TestUtils.waitForCondition(() => stub.called, "Stub was called");
Assert.ok(
store.get(SINGLE_FEATURE_RECIPE.slug)?.slug,
"Experiment is loaded from disk"
);
Assert.ok(stub.firstCall.args[1], "feature-experiment-loaded");
Assert.equal(
NimbusFeatures.urlbar.getAllVariables().valueThatWillDefinitelyShowUp,
SINGLE_FEATURE_RECIPE.branch.feature.value.valueThatWillDefinitelyShowUp,
"Should match getAllVariables"
);
Assert.equal(
NimbusFeatures.urlbar.getVariable("quickSuggestNonSponsoredIndex"),
SINGLE_FEATURE_RECIPE.branch.feature.value.quickSuggestNonSponsoredIndex,
"Should match getVariable"
);
registerCleanupFunction(async () => {
// Remove the experiment from disk
const fileStore = new JSONFile({ path: getPath() });
await fileStore.load();
fileStore.data = {};
fileStore.saveSoon();
await fileStore.finalize();
apiStoreStub.restore();
});
});