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jsunity-0.6.js
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391
jsunity-0.6.js
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//<%
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/**
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* jsUnity Universal JavaScript Testing Framework v0.6
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* http://jsunity.com/
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*
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* Copyright (c) 2009 Ates Goral
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* Licensed under the MIT license.
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* http://www.opensource.org/licenses/mit-license.php
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*/
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jsUnity = (function () {
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function fmt(str) {
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var a = Array.prototype.slice.call(arguments, 1);
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return str.replace(/\?/g, function () { return a.shift(); });
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}
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function hash(v) {
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if (v instanceof Object) {
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var arr = [];
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for (var p in v) {
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arr.push(p);
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arr.push(hash(v[p]));
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}
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return arr.join("#");
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} else {
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return String(v);
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}
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}
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var defaultAssertions = {
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assertException: function (fn, message) {
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try {
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fn instanceof Function && fn();
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} catch (e) {
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return;
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}
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throw fmt("?: (?) does not raise an exception or not a function",
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message || "assertException", fn);
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},
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assertTrue: function (actual, message) {
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if (!actual) {
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throw fmt("?: (?) does not evaluate to true",
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message || "assertTrue", actual);
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}
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},
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assertFalse: function (actual, message) {
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if (actual) {
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throw fmt("?: (?) does not evaluate to false",
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message || "assertFalse", actual);
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}
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},
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assertIdentical: function (expected, actual, message) {
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if (expected !== actual) {
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throw fmt("?: (?) is not identical to (?)",
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message || "assertIdentical", actual, expected);
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}
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},
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assertNotIdentical: function (expected, actual, message) {
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if (expected === actual) {
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throw fmt("?: (?) is identical to (?)",
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message || "assertNotIdentical", actual, expected);
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}
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},
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assertEqual: function (expected, actual, message) {
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if (hash(expected) != hash(actual)) {
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throw fmt("?: (?) is not equal to (?)",
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message || "assertEqual", actual, expected);
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}
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},
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assertNotEqual: function (expected, actual, message) {
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if (hash(expected) == hash(actual)) {
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throw fmt("?: (?) is equal to (?)",
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message || "assertNotEqual", actual, expected);
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}
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},
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assertMatch: function (re, actual, message) {
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if (!re.test(actual)) {
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throw fmt("?: (?) does not match (?)",
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message || "assertMatch", actual, re);
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}
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},
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assertNotMatch: function (re, actual, message) {
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if (re.test(actual)) {
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throw fmt("?: (?) matches (?)",
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message || "assertNotMatch", actual, re);
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}
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},
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assertTypeOf: function (typ, actual, message) {
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if (typeof actual !== typ) {
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throw fmt("?: (?) is not of type (?)",
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message || "assertTypeOf", actual, typ);
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}
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},
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assertNotTypeOf: function (typ, actual, message) {
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if (typeof actual === typ) {
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throw fmt("?: (?) is of type (?)",
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message || "assertNotTypeOf", actual, typ);
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}
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},
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assertInstanceOf: function (cls, actual, message) {
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if (!(actual instanceof cls)) {
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throw fmt("?: (?) is not an instance of (?)",
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message || "assertInstanceOf", actual, cls);
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}
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},
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assertNotInstanceOf: function (cls, actual, message) {
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if (actual instanceof cls) {
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throw fmt("?: (?) is an instance of (?)",
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message || "assertNotInstanceOf", actual, cls);
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}
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},
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assertNull: function (actual, message) {
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if (actual !== null) {
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throw fmt("?: (?) is not null",
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message || "assertNull", actual);
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}
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},
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assertNotNull: function (actual, message) {
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if (actual === null) {
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throw fmt("?: (?) is null",
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message || "assertNotNull", actual);
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}
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},
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assertUndefined: function (actual, message) {
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if (actual !== undefined) {
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throw fmt("?: (?) is not undefined",
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message || "assertUndefined", actual);
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}
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},
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assertNotUndefined: function (actual, message) {
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if (actual === undefined) {
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throw fmt("?: (?) is undefined",
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message || "assertNotUndefined", actual);
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}
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},
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assertNaN: function (actual, message) {
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if (!isNaN(actual)) {
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throw fmt("?: (?) is not NaN",
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message || "assertNaN", actual);
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}
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},
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assertNotNaN: function (actual, message) {
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if (isNaN(actual)) {
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throw fmt("?: (?) is NaN",
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message || "assertNotNaN", actual);
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}
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},
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fail: function (message) {
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throw message || "fail";
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}
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};
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function plural(cnt, unit) {
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return cnt + " " + unit + (cnt == 1 ? "" : "s");
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}
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function splitFunction(fn) {
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var tokens =
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/^[\s\r\n]*function[\s\r\n]*([^\(\s\r\n]*?)[\s\r\n]*\([^\)\s\r\n]*\)[\s\r\n]*\{((?:[^}]*\}?)+)\}[\s\r\n]*$/
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.exec(fn);
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if (!tokens) {
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throw "Invalid function.";
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}
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return {
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name: tokens[1].length ? tokens[1] : undefined,
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body: tokens[2]
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};
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}
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var probeOutside = function () {
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try {
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return eval(
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[ "typeof ", " === \"function\" && ", "" ].join(arguments[0]));
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} catch (e) {
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return false;
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}
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};
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function parseSuiteString(str) {
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var obj = {};
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var probeInside = new Function(
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splitFunction(probeOutside).body + str);
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var tokenRe = /(\w+)/g; // todo: wiser regex
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var tokens;
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while ((tokens = tokenRe.exec(str))) {
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var token = tokens[1];
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var fn;
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if (!obj[token]
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&& (fn = probeInside(token))
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&& fn != probeOutside(token)) {
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obj[token] = fn;
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}
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}
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return parseSuiteObject(obj);
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}
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function parseSuiteFunction(fn) {
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var fnParts = splitFunction(fn);
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var suite = parseSuiteString(fnParts.body);
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suite.suiteName = fnParts.name;
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return suite;
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}
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function parseSuiteArray(tests) {
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var obj = {};
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for (var i = 0; i < tests.length; i++) {
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var item = tests[i];
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if (!obj[item]) {
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switch (typeof item) {
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case "function":
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var fnParts = splitFunction(item);
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obj[fnParts.name] = item;
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break;
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case "string":
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var fn;
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if (fn = probeOutside(item)) {
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obj[item] = fn;
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}
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}
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}
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}
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return parseSuiteObject(obj);
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}
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function parseSuiteObject(obj) {
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var suite = new jsUnity.TestSuite(obj.suiteName, obj);
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for (var name in obj) {
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if (obj.hasOwnProperty(name)) {
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var fn = obj[name];
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if (typeof fn === "function") {
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if (/^test/.test(name)) {
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suite.tests.push({ name: name, fn: fn });
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} else if (/^setUp|tearDown$/.test(name)) {
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suite[name] = fn;
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}
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}
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}
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}
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return suite;
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}
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return {
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TestSuite: function (suiteName, scope) {
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this.suiteName = suiteName;
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this.scope = scope;
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this.tests = [];
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this.setUp = undefined;
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this.tearDown = undefined;
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},
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TestResults: function () {
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this.suiteName = undefined;
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this.total = 0;
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this.passed = 0;
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this.failed = 0;
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this.duration = 0;
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},
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assertions: defaultAssertions,
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env: {
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defaultScope: this,
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getDate: function () {
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return new Date();
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}
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},
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attachAssertions: function (scope) {
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scope = scope || this.env.defaultScope;
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for (var fn in jsUnity.assertions) {
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scope[fn] = jsUnity.assertions[fn];
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}
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},
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log: function () {},
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error: function (s) { this.log("[ERROR] " + s); },
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compile: function (v) {
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if (v instanceof jsUnity.TestSuite) {
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return v;
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} else if (v instanceof Function) {
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return parseSuiteFunction(v);
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} else if (v instanceof Array) {
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return parseSuiteArray(v);
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} else if (v instanceof Object) {
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return parseSuiteObject(v);
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} else if (typeof v === "string") {
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return parseSuiteString(v);
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} else {
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throw "Argument must be a function, array, object, string or "
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+ "TestSuite instance.";
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}
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},
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run: function () {
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var results = new jsUnity.TestResults();
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var suiteNames = [];
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var start = jsUnity.env.getDate();
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for (var i = 0; i < arguments.length; i++) {
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try {
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var suite = jsUnity.compile(arguments[i]);
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} catch (e) {
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this.error("Invalid test suite: " + e);
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return false;
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}
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var cnt = suite.tests.length;
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this.log("Running "
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+ (suite.suiteName || "unnamed test suite"));
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this.log(plural(cnt, "test") + " found");
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suiteNames.push(suite.suiteName);
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results.total += cnt;
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for (var j = 0; j < cnt; j++) {
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var test = suite.tests[j];
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try {
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suite.setUp && suite.setUp();
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test.fn.call(suite.scope);
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suite.tearDown && suite.tearDown();
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results.passed++;
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this.log("[PASSED] " + test.name);
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} catch (e) {
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suite.tearDown && suite.tearDown();
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this.log("[FAILED] " + test.name + ": " + e);
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}
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}
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}
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results.suiteName = suiteNames.join(",");
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results.failed = results.total - results.passed;
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results.duration = jsUnity.env.getDate() - start;
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this.log(plural(results.passed, "test") + " passed");
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this.log(plural(results.failed, "test") + " failed");
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this.log(plural(results.duration, "millisecond") + " elapsed");
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return results;
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}
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};
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})();
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//%>
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