"use strict";
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if (typeof window === "undefined") {
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window = {};
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}
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var logMethods = [
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"trace",
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"debug",
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"info",
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"warn",
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"error"
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];
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define(function () {
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function getStorageKey(loggerName) {
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var key = "loglevel";
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if (loggerName) {
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key += ":" + loggerName;
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}
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return key;
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}
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var self = {};
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// Jasmine matcher to check the log level of a log object
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self.toBeAtLevel = function toBeAtLevel(level) {
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var log = this.actual;
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var expectedWorkingCalls = log.levels.SILENT - log.levels[level.toUpperCase()];
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var realLogMethod = window.console.log;
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var priorCalls = realLogMethod.calls.length;
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for (var ii = 0; ii < logMethods.length; ii++) {
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var methodName = logMethods[ii];
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log[methodName](methodName);
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}
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expect(realLogMethod.calls.length - priorCalls).toEqual(expectedWorkingCalls);
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return true;
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};
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self.isCookieStorageAvailable = function isCookieStorageAvailable() {
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if (window && window.document && window.document.cookie) {
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// We need to check not just that the cookie objects are available, but that they work, because
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// if we run from file:// URLs they appear present but are non-functional
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window.document.cookie = "test=hi;";
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var result = window.document.cookie.indexOf('test=hi') !== -1;
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window.document.cookie = "test=; expires=Thu, 01 Jan 1970 00:00:01 GMT;";
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return result;
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} else {
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return false;
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}
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};
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self.isLocalStorageAvailable = function isLocalStorageAvailable() {
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try {
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return !!window.localStorage;
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} catch (e){
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return false;
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}
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};
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self.isAnyLevelStoragePossible = function isAnyLevelStoragePossible() {
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return self.isCookieStorageAvailable() || self.isLocalStorageAvailable();
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};
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self.toBeTheLevelStoredByCookie = function toBeTheLevelStoredByCookie(name) {
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var level = this.actual === undefined ? undefined : this.actual.toUpperCase();
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var storageKey = encodeURIComponent(getStorageKey(name));
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if(level === undefined) {
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return window.document.cookie.indexOf(storageKey + "=") === -1;
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} else if (window.document.cookie.indexOf(storageKey + "=" + level) !== -1) {
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return true;
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} else {
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return false;
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}
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};
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self.toBeTheLevelStoredByLocalStorage = function toBeTheLevelStoredByLocalStorage(name) {
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var level = this.actual === undefined ? undefined : this.actual.toUpperCase();
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if (window.localStorage[getStorageKey(name)] === level) {
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return true;
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}
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return false;
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};
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// Jasmine matcher to check whether a given string was saved by loglevel
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self.toBeTheStoredLevel = function toBeTheStoredLevel(name) {
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return self.toBeTheLevelStoredByLocalStorage.call(this, name) ||
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self.toBeTheLevelStoredByCookie.call(this, name);
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};
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self.setCookieStoredLevel = function setCookieStoredLevel(level, name) {
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window.document.cookie =
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encodeURIComponent(getStorageKey(name)) + "=" +
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level.toUpperCase() + ";";
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};
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self.setLocalStorageStoredLevel = function setLocalStorageStoredLevel(level, name) {
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window.localStorage[getStorageKey(name)] = level.toUpperCase();
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};
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self.setStoredLevel = function setStoredLevel(level, name) {
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if (self.isCookieStorageAvailable()) {
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self.setCookieStoredLevel(level, name);
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}
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if (self.isLocalStorageAvailable()) {
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self.setLocalStorageStoredLevel(level, name);
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}
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};
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self.clearStoredLevels = function clearStoredLevels() {
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if (self.isLocalStorageAvailable()) {
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window.localStorage.clear();
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}
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if (self.isCookieStorageAvailable()) {
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var storedKeys = window.document.cookie.match(/(?:^|;\s)(loglevel(\:\w+)?)(?=\=)/g);
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if (storedKeys) {
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for (var i = 0; i < storedKeys.length; i++) {
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window.document.cookie = storedKeys[i] + "=; expires=Thu, 01 Jan 1970 00:00:01 GMT;";
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}
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}
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}
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};
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self.describeIf = function describeIf(condition, name, test) {
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if (condition) {
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jasmine.getEnv().describe(name, test);
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}
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};
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self.itIf = function itIf(condition, name, test) {
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if (condition) {
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jasmine.getEnv().it(name, test);
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}
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};
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// Forcibly reloads loglevel, and asynchronously hands the resulting log back to the given callback
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// via Jasmine async magic
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self.withFreshLog = function withFreshLog(toRun) {
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require.undef("lib/loglevel");
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var freshLog;
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waitsFor(function() {
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require(['lib/loglevel'], function(log) {
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freshLog = log;
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});
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return typeof freshLog !== "undefined";
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});
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runs(function() {
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toRun(freshLog);
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});
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};
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// Wraps Jasmine's it(name, test) call to reload the loglevel dependency for the given test
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self.itWithFreshLog = function itWithFreshLog(name, test) {
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jasmine.getEnv().it(name, function() {
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self.withFreshLog(test);
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});
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};
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return self;
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});
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