js-marketplace-2014/test/test-actor.js

100 lines
2.4 KiB
JavaScript

var expect = require('expect.js');
var Minimart = require('../src/main.js');
var World = Minimart.World;
var Actor = Minimart.Actor;
var sub = Minimart.sub;
var pub = Minimart.pub;
var __ = Minimart.__;
var _$ = Minimart._$;
function configurationTrace(bootConfiguration) {
var eventLog = [];
function trace(item) {
eventLog.push(item);
}
var G = new Minimart.Ground(function () {
bootConfiguration(trace);
});
while (G.step()) {
// do nothing until G becomes inert
}
return eventLog;
}
function checkTrace(bootConfiguration, expected) {
expect(configurationTrace(bootConfiguration)).to.eql(expected);
}
describe("configurationTrace", function() {
describe("with an inert configuration", function () {
it("should yield an empty trace", function () {
checkTrace(function (trace) {}, []);
});
});
describe("with a single trace in an inert configuration", function () {
it("should yield that trace", function () {
checkTrace(function (trace) { trace(1) }, [1]);
});
});
describe("with some traced communication", function () {
it("should yield an appropriate trace", function () {
checkTrace(function (trace) {
World.spawn({
boot: function () { return [sub(__)] },
handleEvent: function (e) {
trace(e);
}
});
World.send(123);
World.send(234);
}, [Minimart.updateRoutes([]),
Minimart.sendMessage(123),
Minimart.sendMessage(234)]);
});
});
});
describe("nonempty initial routes", function () {
it("should be immediately signalled to the process", function () {
// Specifically, no Minimart.updateRoutes([]) first.
checkTrace(function (trace) {
World.spawn({
boot: function () { return [pub(["A", __])] },
handleEvent: function (e) {
World.spawn({
boot: function () { return [sub(["A", __], 0, 1)] },
handleEvent: trace
});
}
});
}, [Minimart.updateRoutes([pub(["A", __]).label(1)])]);
});
});
describe("actor with nonempty initial routes", function () {
it("shouldn't see initial empty conversational context", function () {
checkTrace(function (trace) {
World.spawn({
boot: function () { return [pub(["A", __])] },
handleEvent: function (e) {
World.spawn(new Actor(function () {
Actor.observeAdvertisers(
function () { return ["A", __] },
{ presence: "isPresent" },
function () {
trace(["isPresent", this.isPresent]);
});
}));
}
});
}, [["isPresent", true]]);
});
});