disposable-cls/test/ScopeSpec.js

Provides disposable continuation local storage for Node.js.

"use strict";
var chai_1 = require("chai");
var index_1 = require("../src/index");
var MockObjects_1 = require("./MockObjects");
describe("Single scope block", function () {
    it("should allow retrieval of a context item", function (done) {
        var mockObject = new MockObjects_1.SimpleDisposableMockObject(null);
        index_1.using([mockObject], function () {
            var objectInContext = index_1.getCurrentObject(MockObjects_1.SimpleDisposableMockObject);
            chai_1.expect(objectInContext).to.not.be.undefined;
            chai_1.expect(objectInContext.id).to.be.equal(mockObject.id);
            done();
        });
    });
    it("should dispose of the context items", function () {
        var wasDisposed = false;
        var mockObject = new MockObjects_1.SimpleDisposableMockObject(function () { wasDisposed = true; });
        index_1.using([mockObject], function () {
            chai_1.expect(wasDisposed).to.be.false;
        });
        chai_1.expect(wasDisposed).to.be.false;
    });
});
describe("Multiple scope block", function () {
    it("should retrieve the closest context item", function (done) {
        var mockObject1 = new MockObjects_1.SimpleDisposableMockObject(null);
        var mockObject2 = new MockObjects_1.SimpleDisposableMockObject(null);
        index_1.using([mockObject1], function () {
            var objectInContext = index_1.getCurrentObject(MockObjects_1.SimpleDisposableMockObject);
            chai_1.expect(objectInContext).to.not.be.undefined;
            chai_1.expect(objectInContext.id).to.be.equal(mockObject1.id);
            index_1.using([mockObject2], function () {
                var objectInContext = index_1.getCurrentObject(MockObjects_1.SimpleDisposableMockObject);
                chai_1.expect(objectInContext).to.not.be.undefined;
                chai_1.expect(objectInContext.id).to.be.equal(mockObject2.id);
                done();
            });
        });
    });
    it("should walk the stack to retrieve the closest context item", function (done) {
        var mockObject = new MockObjects_1.SimpleDisposableMockObject(null);
        index_1.using([mockObject], function () {
            index_1.using([new MockObjects_1.SimpleMockObject()], function () {
                var objectInContext = index_1.getCurrentObject(MockObjects_1.SimpleDisposableMockObject);
                chai_1.expect(objectInContext).to.not.be.undefined;
                chai_1.expect(objectInContext.id).to.be.equal(mockObject.id);
                done();
            });
        });
    });
    it("should dispose of the context items only when all scope blocks go out of scope", function (done) {
        var disposedCount = 0;
        var doneFlag = false;
        var expectationsOnCompleteFunc = function () {
            if (doneFlag) {
                chai_1.expect(disposedCount).to.be.equal(2);
                return done();
            }
            setImmediate(expectationsOnCompleteFunc);
        };
        var disposeFunc = function () { disposedCount++; };
        var mockObject1 = new MockObjects_1.SimpleDisposableMockObject(disposeFunc);
        var mockObject2 = new MockObjects_1.SimpleDisposableMockObject(disposeFunc);
        index_1.using([mockObject1], function () {
            chai_1.expect(disposedCount).to.be.equal(0);
            index_1.using([mockObject2], function () {
                chai_1.expect(disposedCount).to.be.equal(0);
                doneFlag = true;
            });
        });
        setImmediate(expectationsOnCompleteFunc);
    });
});