Source code

Revision control

Copy as Markdown

Other Tools

import { DefaultPrefs, Prefs } from "lib/ActivityStreamPrefs.sys.mjs";
const TEST_PREF_CONFIG = new Map([
["foo", { value: true }],
["bar", { value: "BAR" }],
["baz", { value: 1 }],
["qux", { value: "foo", value_local_dev: "foofoo" }],
]);
describe("ActivityStreamPrefs", () => {
describe("Prefs", () => {
let p;
beforeEach(() => {
p = new Prefs();
});
it("should have get, set, and observe methods", () => {
assert.property(p, "get");
assert.property(p, "set");
assert.property(p, "observe");
});
describe("#observeBranch", () => {
let listener;
beforeEach(() => {
p._prefBranch = { addObserver: sinon.stub() };
listener = { onPrefChanged: sinon.stub() };
p.observeBranch(listener);
});
it("should add an observer", () => {
assert.calledOnce(p._prefBranch.addObserver);
assert.calledWith(p._prefBranch.addObserver, "");
});
it("should store the listener", () => {
assert.equal(p._branchObservers.size, 1);
assert.ok(p._branchObservers.has(listener));
});
it("should call listener's onPrefChanged", () => {
p._branchObservers.get(listener)();
assert.calledOnce(listener.onPrefChanged);
});
});
describe("#ignoreBranch", () => {
let listener;
beforeEach(() => {
p._prefBranch = {
addObserver: sinon.stub(),
removeObserver: sinon.stub(),
};
listener = {};
p.observeBranch(listener);
});
it("should remove the observer", () => {
p.ignoreBranch(listener);
assert.calledOnce(p._prefBranch.removeObserver);
assert.calledWith(
p._prefBranch.removeObserver,
p._prefBranch.addObserver.firstCall.args[0]
);
});
it("should remove the listener", () => {
assert.equal(p._branchObservers.size, 1);
p.ignoreBranch(listener);
assert.equal(p._branchObservers.size, 0);
});
});
});
describe("DefaultPrefs", () => {
describe("#init", () => {
let defaultPrefs;
let sandbox;
beforeEach(() => {
sandbox = sinon.createSandbox();
defaultPrefs = new DefaultPrefs(TEST_PREF_CONFIG);
sinon.stub(defaultPrefs, "set");
});
afterEach(() => {
sandbox.restore();
});
it("should initialize a boolean pref", () => {
defaultPrefs.init();
assert.calledWith(defaultPrefs.set, "foo", true);
});
it("should not initialize a pref if a default exists", () => {
defaultPrefs.prefs.set("foo", false);
defaultPrefs.init();
assert.neverCalledWith(defaultPrefs.set, "foo", true);
});
it("should initialize a string pref", () => {
defaultPrefs.init();
assert.calledWith(defaultPrefs.set, "bar", "BAR");
});
it("should initialize a integer pref", () => {
defaultPrefs.init();
assert.calledWith(defaultPrefs.set, "baz", 1);
});
it("should initialize a pref with value if Firefox is not a local build", () => {
defaultPrefs.init();
assert.calledWith(defaultPrefs.set, "qux", "foo");
});
it("should initialize a pref with value_local_dev if Firefox is a local build", () => {
sandbox.stub(global.AppConstants, "MOZILLA_OFFICIAL").value(false);
defaultPrefs.init();
assert.calledWith(defaultPrefs.set, "qux", "foofoo");
});
});
});
});