source: trip-planner-front/node_modules/loglevel/test/test-helpers.js@ 6a3a178

Last change on this file since 6a3a178 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 5.1 KB
Line 
1"use strict";
2
3if (typeof window === "undefined") {
4 window = {};
5}
6
7var logMethods = [
8 "trace",
9 "debug",
10 "info",
11 "warn",
12 "error"
13];
14
15define(function () {
16 function getStorageKey(loggerName) {
17 var key = "loglevel";
18 if (loggerName) {
19 key += ":" + loggerName;
20 }
21 return key;
22 }
23
24 var self = {};
25
26 // Jasmine matcher to check the log level of a log object
27 self.toBeAtLevel = function toBeAtLevel(level) {
28 var log = this.actual;
29 var expectedWorkingCalls = log.levels.SILENT - log.levels[level.toUpperCase()];
30 var realLogMethod = window.console.log;
31 var priorCalls = realLogMethod.calls.length;
32
33 for (var ii = 0; ii < logMethods.length; ii++) {
34 var methodName = logMethods[ii];
35 log[methodName](methodName);
36 }
37
38 expect(realLogMethod.calls.length - priorCalls).toEqual(expectedWorkingCalls);
39 return true;
40 };
41
42 self.isCookieStorageAvailable = function isCookieStorageAvailable() {
43 if (window && window.document && window.document.cookie) {
44 // We need to check not just that the cookie objects are available, but that they work, because
45 // if we run from file:// URLs they appear present but are non-functional
46 window.document.cookie = "test=hi;";
47
48 var result = window.document.cookie.indexOf('test=hi') !== -1;
49 window.document.cookie = "test=; expires=Thu, 01 Jan 1970 00:00:01 GMT;";
50
51 return result;
52 } else {
53 return false;
54 }
55 };
56
57 self.isLocalStorageAvailable = function isLocalStorageAvailable() {
58 try {
59 return !!window.localStorage;
60 } catch (e){
61 return false;
62 }
63 };
64
65 self.isAnyLevelStoragePossible = function isAnyLevelStoragePossible() {
66 return self.isCookieStorageAvailable() || self.isLocalStorageAvailable();
67 };
68
69 self.toBeTheLevelStoredByCookie = function toBeTheLevelStoredByCookie(name) {
70 var level = this.actual.toUpperCase();
71 var storageKey = encodeURIComponent(getStorageKey(name));
72
73 if (window.document.cookie.indexOf(storageKey + "=" + level) !== -1) {
74 return true;
75 } else {
76 return false;
77 }
78 };
79
80 self.toBeTheLevelStoredByLocalStorage = function toBeTheLevelStoredByLocalStorage(name) {
81 var level = this.actual.toUpperCase();
82
83 if (window.localStorage[getStorageKey(name)] === level) {
84 return true;
85 }
86
87 return false;
88 };
89
90 // Jasmine matcher to check whether a given string was saved by loglevel
91 self.toBeTheStoredLevel = function toBeTheStoredLevel(name) {
92 return self.toBeTheLevelStoredByLocalStorage.call(this, name) ||
93 self.toBeTheLevelStoredByCookie.call(this, name);
94 };
95
96 self.setCookieStoredLevel = function setCookieStoredLevel(level, name) {
97 window.document.cookie =
98 encodeURIComponent(getStorageKey(name)) + "=" +
99 level.toUpperCase() + ";";
100 };
101
102 self.setLocalStorageStoredLevel = function setLocalStorageStoredLevel(level, name) {
103 window.localStorage[getStorageKey(name)] = level.toUpperCase();
104 };
105
106 self.setStoredLevel = function setStoredLevel(level, name) {
107 if (self.isCookieStorageAvailable()) {
108 self.setCookieStoredLevel(level, name);
109 }
110 if (self.isLocalStorageAvailable()) {
111 self.setLocalStorageStoredLevel(level, name);
112 }
113 };
114
115 self.clearStoredLevels = function clearStoredLevels() {
116 if (self.isLocalStorageAvailable()) {
117 window.localStorage.clear();
118 }
119 if (self.isCookieStorageAvailable()) {
120 var storedKeys = window.document.cookie.match(/(?:^|;\s)(loglevel(\:\w+)?)(?=\=)/g);
121 if (storedKeys) {
122 for (var i = 0; i < storedKeys.length; i++) {
123 window.document.cookie = storedKeys[i] + "=; expires=Thu, 01 Jan 1970 00:00:01 GMT;";
124 }
125 }
126 }
127 };
128
129 self.describeIf = function describeIf(condition, name, test) {
130 if (condition) {
131 jasmine.getEnv().describe(name, test);
132 }
133 };
134
135 self.itIf = function itIf(condition, name, test) {
136 if (condition) {
137 jasmine.getEnv().it(name, test);
138 }
139 };
140
141 // Forcibly reloads loglevel, and asynchronously hands the resulting log back to the given callback
142 // via Jasmine async magic
143 self.withFreshLog = function withFreshLog(toRun) {
144 require.undef("lib/loglevel");
145
146 var freshLog;
147
148 waitsFor(function() {
149 require(['lib/loglevel'], function(log) {
150 freshLog = log;
151 });
152 return typeof freshLog !== "undefined";
153 });
154
155 runs(function() {
156 toRun(freshLog);
157 });
158 };
159
160 // Wraps Jasmine's it(name, test) call to reload the loglevel dependency for the given test
161 self.itWithFreshLog = function itWithFreshLog(name, test) {
162 jasmine.getEnv().it(name, function() {
163 self.withFreshLog(test);
164 });
165 };
166
167 return self;
168});
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