coveraje/lib/testContext.js

a simple javascript code coverage tool with browser frontend

/*
    coveraje - a simple javascript code coverage tool.

    helper for tests without a test helper (so they can report that all tests are done)
    needed only if the test has async calls

    Copyright (c) 2011-2012 Wolfgang Kluge (klugesoftware.de, gehirnwindung.de)
*/

exports.createTestContext = function (exports) {
    "use strict";

    var otcs = [];
    var counter = 0;

    exports.onTestComplete = function (otc) {
        if (typeof otc === "function") {
            otcs.push(otc);
        }
    };

    function emitTestComplete() {
        for (var i = 0, l = otcs.length; i < l; i++) {
            otcs[i]();
        }
    }

    return {
        add: function () {
            counter++;
        },
        end: function () {
            counter--;
            if (counter === 0) {
                emitTestComplete();
            }
        },
        stop: function () {
            counter = 0;
            emitTestComplete();
        }
    };
};