chrome-devtools-frontend
Version:
Chrome DevTools UI
288 lines (222 loc) • 8.12 kB
JavaScript
// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/**
* @fileoverview using private properties isn't a Closure violation in tests.
*/
self.BindingsTestRunner = self.BindingsTestRunner || {};
Host.InspectorFrontendHost.isolatedFileSystem = function(name) {
return BindingsTestRunner.TestFileSystem._instances[name];
};
BindingsTestRunner.TestFileSystem = function(fileSystemPath) {
this.root = new BindingsTestRunner.TestFileSystem.Entry(this, '', true, null);
this.fileSystemPath = fileSystemPath;
};
BindingsTestRunner.TestFileSystem._instances = {};
BindingsTestRunner.TestFileSystem.prototype = {
dumpAsText: function() {
const result = [];
dfs(this.root, '');
result[0] = this.fileSystemPath;
return result.join('\n');
function dfs(node, indent) {
result.push(indent + node.name);
const newIndent = indent + ' ';
for (const child of node._children.values()) {
dfs(child, newIndent);
}
}
},
reportCreatedPromise: function(type) {
return new Promise(fulfill => this.reportCreated(fulfill, type));
},
reportCreated: function(callback, type) {
const fileSystemPath = this.fileSystemPath;
BindingsTestRunner.TestFileSystem._instances[this.fileSystemPath] = this;
Host.InspectorFrontendHost.events.dispatchEventToListeners(
Host.InspectorFrontendHostAPI.Events.FileSystemAdded,
{fileSystem: {fileSystemPath: this.fileSystemPath, fileSystemName: this.fileSystemPath, type}});
self.Persistence.isolatedFileSystemManager.addEventListener(
Persistence.IsolatedFileSystemManager.Events.FileSystemAdded, created);
function created(event) {
const fileSystem = event.data;
if (fileSystem.path() !== fileSystemPath) {
return;
}
self.Persistence.isolatedFileSystemManager.removeEventListener(
Persistence.IsolatedFileSystemManager.Events.FileSystemAdded, created);
callback(fileSystem);
}
},
reportRemoved: function() {
delete BindingsTestRunner.TestFileSystem._instances[this.fileSystemPath];
Host.InspectorFrontendHost.events.dispatchEventToListeners(
Host.InspectorFrontendHostAPI.Events.FileSystemRemoved, this.fileSystemPath);
},
addFile: function(path, content, lastModified) {
const pathTokens = path.split('/');
let node = this.root;
const folders = pathTokens.slice(0, pathTokens.length - 1);
const fileName = pathTokens[pathTokens.length - 1];
for (const folder of folders) {
let dir = node._children.get(folder);
if (!dir) {
dir = node.mkdir(folder);
}
node = dir;
}
const file = node.addFile(fileName, content);
if (lastModified) {
file._timestamp = lastModified;
}
return file;
}
};
BindingsTestRunner.TestFileSystem.Entry = function(fileSystem, name, isDirectory, parent) {
this._fileSystem = fileSystem;
this.name = name;
this._children = new Map();
this.isDirectory = isDirectory;
this._timestamp = 1000000;
this._parent = parent;
};
BindingsTestRunner.TestFileSystem.Entry.prototype = {
get fullPath() {
return (this._parent ? this._parent.fullPath + '/' + this.name : '');
},
remove: function(success, failure) {
this._parent._removeChild(this, success, failure);
},
_removeChild: function(child, success, failure) {
if (!this._children.has(child.name)) {
failure('Failed to remove file: file not found.');
return;
}
const fullPath = this._fileSystem.fileSystemPath + child.fullPath;
this._children.delete(child.name);
child._parent = null;
Host.InspectorFrontendHost.events.dispatchEventToListeners(
Host.InspectorFrontendHostAPI.Events.FileSystemFilesChangedAddedRemoved,
{changed: [], added: [], removed: [fullPath]});
success();
},
mkdir: function(name) {
const child = new BindingsTestRunner.TestFileSystem.Entry(this._fileSystem, name, true, this);
this._children.set(name, child);
return child;
},
addFile: function(name, content) {
const child = new BindingsTestRunner.TestFileSystem.Entry(this._fileSystem, name, false, this);
this._children.set(name, child);
child.content = new Blob([content], {type: 'text/plain'});
const fullPath = this._fileSystem.fileSystemPath + child.fullPath;
Host.InspectorFrontendHost.events.dispatchEventToListeners(
Host.InspectorFrontendHostAPI.Events.FileSystemFilesChangedAddedRemoved,
{changed: [], added: [fullPath], removed: []});
return child;
},
setContent: function(content) {
this.content = new Blob([content], {type: 'text/plain'});
this._timestamp += 1000;
const fullPath = this._fileSystem.fileSystemPath + this.fullPath;
Host.InspectorFrontendHost.events.dispatchEventToListeners(
Host.InspectorFrontendHostAPI.Events.FileSystemFilesChangedAddedRemoved,
{changed: [fullPath], added: [], removed: []});
},
createReader: function() {
return new BindingsTestRunner.TestFileSystem.Reader([...this._children.values()]);
},
createWriter: function(success, failure) {
success(new BindingsTestRunner.TestFileSystem.Writer(this));
},
file: function(callback) {
callback(this.content);
},
getDirectory: function(path, noop, callback, errorCallback) {
this.getEntry(path, noop, callback, errorCallback);
},
getFile: function(path, noop, callback, errorCallback) {
this.getEntry(path, noop, callback, errorCallback);
},
_createEntry: function(path, options, callback, errorCallback) {
const tokens = path.split('/');
const name = tokens.pop();
let parentEntry = this;
for (const token of tokens) {
parentEntry = parentEntry._children.get(token);
}
let entry = parentEntry._children.get(name);
if (entry && options.exclusive) {
errorCallback(new DOMException('File exists: ' + path, 'InvalidModificationError'));
return;
}
if (!entry) {
entry = parentEntry.addFile(name, '');
}
callback(entry);
},
getEntry: function(path, options, callback, errorCallback) {
if (path.startsWith('/')) {
path = path.substring(1);
}
if (options && options.create) {
this._createEntry(path, options, callback, errorCallback);
return;
}
if (!path) {
callback(this);
return;
}
let entry = this;
for (const token of path.split('/')) {
entry = entry._children.get(token);
if (!entry) {
break;
}
}
(entry ? callback(entry) : errorCallback(new DOMException('Path not found: ' + path, 'NotFoundError')));
},
getMetadata: function(success, failure) {
success({modificationTime: new Date(this._timestamp), size: (this.isDirectory ? 0 : this.content.size)});
},
moveTo: function(parent, newName, callback, errorCallback) {
this._parent._children.delete(this.name);
this._parent = parent;
this.name = newName;
this._parent._children.set(this.name, this);
callback(this);
},
getParent: function(callback, errorCallback) {
callback(this._parent);
}
};
BindingsTestRunner.TestFileSystem.Reader = function(children) {
this._children = children;
};
BindingsTestRunner.TestFileSystem.Reader.prototype = {
readEntries: function(callback) {
const children = this._children;
this._children = [];
callback(children);
}
};
BindingsTestRunner.TestFileSystem.Writer = function(entry) {
this._entry = entry;
this._modificationTimesDelta = 500;
};
BindingsTestRunner.TestFileSystem.Writer.prototype = {
write: function(blob) {
this._entry._timestamp += this._modificationTimesDelta;
this._entry.content = blob;
if (this.onwriteend) {
this.onwriteend();
}
},
truncate: function(num) {
this._entry._timestamp += this._modificationTimesDelta;
this._entry.content = this._entry.content.slice(0, num);
if (this.onwriteend) {
this.onwriteend();
}
}
};