Various minor extension fixes

chrome/test/data/extensions/greasemonkey_api_test.js

-var localStorage;
-var document;
-var window;
-var XMLHttpRequest;
-var lastCreatedXhr;
-
-function testGetSetValue() {
-  localStorage = new LocalStorageFake();
-  GM_setValue('string', 'value');
-  assert('value', GM_getValue('string'));
-  GM_setValue('integer', 123);
-  assert(123, GM_getValue('integer'));
-  GM_setValue('boolean', true);
-  assert(true, GM_getValue('boolean'));
-
-  assert(undefined, GM_getValue('notset'));
-  assert('default', GM_getValue('notset', 'default'));
-
-  // illegal values
-  assertThrow(function() {
-    GM_setValue('illegal value', null);
-  });
-  assertThrow(function() {
-    GM_setValue('illegal value', 1.5);
-  });
-}
-
-function testDeleteValue() {
-  localStorage = new LocalStorageFake();
-  GM_setValue('delete', 'value');
-  assert('value', GM_getValue('delete'));
-  GM_deleteValue('delete');
-  assert(undefined, GM_getValue('delete'));
-  GM_deleteValue('notset');
-}
-
-function testListValues() {
-  localStorage = new LocalStorageFake();
-  var a = GM_listValues();
-  assert(0, a.length);
-
-  GM_setValue('one', 'first');
-  a = GM_listValues();
-  assert(1, a.length);
-  assert('one', a[0]);
-
-  GM_setValue('two', 'second');
-  a = GM_listValues();
-
-  // Test that keys that are not namespaced can't be read.
-  localStorage.setItem('three', 'third');
-  assert(2, a.length);
-  assert(true, a.indexOf('one') >= 0);
-  assert(true, a.indexOf('two') >= 0);
-}
-
-function testGetResourceURL() {
-  assertThrow(function() {
-    var resource = GM_getResourceURL('urlResourceName');
-  });
-}
-
-function testGetResourceText() {
-  assertThrow(function() {
-    var resource = GM_getResourceText('textResourceName');
-  });
-}
-
-function testAddStyle() {
-  var documentElement = new ElementFake('');
-  var head = new ElementFake('head');
-  document = new DocumentFake(documentElement, head);
-  var css = 'color: #decaff;';
-  GM_addStyle(css);
-  assert(0, documentElement.childNodes.length);
-  assert(1, head.childNodes.length);
-  var style = head.childNodes[0];
-  assert("style", style.tagName);
-  assert("text/css", style.type);
-  assert(1, style.childNodes.length);
-  var textNode = style.childNodes[0];
-  assert(css, textNode.text);
-
-  document = new DocumentFake(documentElement, null);
-  GM_addStyle(css);
-  assert(1, documentElement.childNodes.length);
-  var style = documentElement.childNodes[0];
-  assert("text/css", style.type);
-  assert(1, style.childNodes.length);
-  textNode = style.childNodes[0];
-  assert(css, textNode.text);
-}
-
-function testXmlhttpRequest() {
-  XMLHttpRequest = XMLHttpRequestFake;
-  var url = 'http://example.com';
-  
-  var onLoadCallback = function(state) {
-    onLoadCallbackResponseState = state;
-  };
-  var onErrorCallback = function(state) {
-    onErrorCallbackResponseState = state;
-  };
-  var onReadyStateChangeCallback = function(state) {
-    onReadyStateChangeCallbackResponseState = state;
-  };
-
-  var details = {
-    onload: onLoadCallback,
-    onerror: onErrorCallback,
-    onreadystatechange: onReadyStateChangeCallback,
-    method: 'GET',
-    url: url,
-    overrideMimeType: 'text/html',
-    headers: {
-      'X-Header': 'foo'
-    },
-    data: 'data'
-  };
-
-  GM_xmlhttpRequest(details);
-  var xhr = lastCreatedXhr;
-
-  assert('GET', xhr.openedMethod);
-  assert(url, xhr.openedUrl);
-  assert('text/html', xhr.overrideMimeType);
-  assert('foo', xhr.requestHeaders['X-Header']);
-  assert('data', xhr.sentBody);
-
-  xhr.responseText = 'foo';
-  xhr.responseHeaders['X-Response'] = 'foo';
-  xhr.status = 200;
-  xhr.statusText = 'OK';
-
-  xhr.readyState = 1;
-  xhr.onreadystatechange();
-  var state = onReadyStateChangeCallbackResponseState;
-  assert(xhr.responseText, state.responseText);
-  assert(xhr.readyState, state.readyState);
-  assert('', state.responseHeaders);
-  assert(0, state.status);
-  assert('', state.statusText);
-  assert('', state.finalUrl);
-
-  xhr.readyState = 0;
-  xhr.onerror();
-  state = onErrorCallbackResponseState;
-  assert(xhr.responseText, state.responseText);
-  assert(xhr.readyState, state.readyState);
-  assert('', state.responseHeaders);
-  assert(0, state.status);
-  assert('', state.statusText);
-  assert('', state.finalUrl);
-
-  xhr.readyState = 4;
-  xhr.onload();
-  state = onLoadCallbackResponseState;
-  assert(xhr.responseText, state.responseText);
-  assert(xhr.readyState, state.readyState);
-  assert('X-Response: foo\r\n', state.responseHeaders);
-  assert(xhr.status, state.status);
-  assert(xhr.statusText, state.statusText);
-  assert(url, state.finalUrl);
-}
-
-function testRegisterMenuCommand() {
-  assertThrow(function() {
-    GM_registerMenuCommand('name', function() {}, 'a', '', 'a');
-  });
-}
-
-function testOpenInTab() {
-  var mockWindow = {
-    open: function(url, name, opt_options) {
-      this.openedUrl = url;
-      this.openedName = name;
-      this.openedOptions = opt_options;
-    }
-  };
-  window = mockWindow;
-  var url = 'http://example.com';
-  GM_openInTab(url);
-  assert(mockWindow.openedUrl, url);
-}
-
-function testLog() {
-  var mockWindow = {
-    console: {
-      message: null,
-      log: function(message) {
-        this.message = message;
-      }
-    }
-  };
-  window = mockWindow;
-  var message = 'hello world';
-  GM_log(message);
-  assert(message, mockWindow.console.message);
-}
-
-function LocalStorageFake() {
-  this.map_ = {};
-  this.keys_ = [];
-}
-LocalStorageFake.prototype = {
-  length: 0,
-  key: function(index) {
-    if (index >= this.length) {
-      throw new Error('INDEX_SIZE_ERR');
-    }
-    return this.keys_[index];
-  },
-  getItem: function(key) {
-    if (key in this.map_) {
-      return this.map_[key];
-    }
-    return null;
-  },
-  setItem: function(key, data) {
-    this.map_[key] = data;
-    this.updateKeys_();
-  },
-  removeItem: function(key) {
-    delete this.map_[key];
-    this.updateKeys_();
-  },
-  clear: function() {
-    this.map_ = {};
-    this.updateKeys_();
-  },
-  updateKeys_: function() {
-    var keys = [];
-    for (var key in this.map_) {
-      keys.push(key);
-    }
-    this.keys_ = keys;
-    this.length = keys.length;
-  }
-}
-
-function DocumentFake(documentElement, head) {
-  this.documentElement = documentElement;
-  this.head_ = head;
-}
-DocumentFake.prototype = {
-  getElementsByTagName: function(tagName) {
-    if (tagName == 'head' && this.head_) {
-      return [this.head_];
-    }
-    return [];
-  },
-  createElement: function(tagName) {
-    return new ElementFake(tagName);
-  },
-  createTextNode: function(text) {
-    return new TextNodeFake(text);
-  }
-}
-
-function ElementFake(tagName) {
-  this.tagName = tagName;
-  this.childNodes = [];
-}
-ElementFake.prototype = {
-  appendChild: function(e) {
-    this.childNodes.push(e);
-    return e;
-  }
-}
-
-function TextNodeFake(text) {
-  this.text = text;
-}
-
-function XMLHttpRequestFake() {
-  lastCreatedXhr = this;
-  this.onload = null;
-  this.onerror = null;
-  this.onreadystatechange = null;
-  this.openedMethod = null;
-  this.openededUrl = null;
-  this.overriddenMimeType = null;
-  this.requestHeaders = {};
-  this.sentBody = null;
-  this.responseText = null;
-  this.readyState = null;
-  this.responseHeaders = {};
-  this.status = null;
-  this.statusText = null;
-}
-XMLHttpRequestFake.prototype = {
-  open: function(method, url) {
-    this.openedMethod = method;
-    this.openedUrl = url;
-  },
-  overrideMimeType: function(mimeType) {
-    this.overrideMimeType = mimeType;
-  },
-  setRequestHeader: function(header, value) {
-    this.requestHeaders[header] = value;
-  },
-  send: function(opt_body) {
-    this.sentBody = opt_body;
-  },
-  getAllResponseHeaders: function() {
-    var s = '';
-    for (var header in this.responseHeaders) {
-      // The delimiter used in Webkit's XMLHttpRequest is \r\n, however
-      // the new Chrome networking code (and Firefox) uses \n, so watch
-      // out for this!
-      s += header + ': ' + this.responseHeaders[header] + '\r\n';
-    }
-    return s;
-  }
-}
-
-function assert(expected, actual) {
-  if (expected !== actual) {
-    throw new Error('Assert failed: "' + expected + '" !== "' + actual + '"');
-  }
-}
-
-function fail() {
-  throw new Error('Fail');
-}
-
-function assertThrow(f) {
-  var threw = false;
-  try {
-    f();
-  } catch(e) {
-    threw = true;
-  }
-  if (!threw) {
-    throw new Error('Assert failed, expression did not throw.');
-  }
-}
-