pjs/testing/mochitest/tests/SimpleTest/MozillaFileLogger.js

68 строки
2.5 KiB
JavaScript

/**
* MozillaFileLogger, a log listener that can write to a local file.
*/
try {
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
const Cc = Components.classes;
const Ci = Components.interfaces;
const FOSTREAM_CID = "@mozilla.org/network/file-output-stream;1";
const LF_CID = "@mozilla.org/file/local;1";
// File status flags. It is a bitwise OR of the following bit flags.
// Only one of the first three flags below may be used.
const PR_READ_ONLY = 0x01; // Open for reading only.
const PR_WRITE_ONLY = 0x02; // Open for writing only.
const PR_READ_WRITE = 0x04; // Open for reading and writing.
// If the file does not exist, the file is created.
// If the file exists, this flag has no effect.
const PR_CREATE_FILE = 0x08;
// The file pointer is set to the end of the file prior to each write.
const PR_APPEND = 0x10;
// If the file exists, its length is truncated to 0.
const PR_TRUNCATE = 0x20;
// If set, each write will wait for both the file data
// and file status to be physically updated.
const PR_SYNC = 0x40;
// If the file does not exist, the file is created. If the file already
// exists, no action and NULL is returned.
const PR_EXCL = 0x80;
} catch (ex) {
// probably not running in the test harness
}
/** Init the file logger with the absolute path to the file.
It will create and append if the file already exists **/
var MozillaFileLogger = {}
MozillaFileLogger.init = function(path) {
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
MozillaFileLogger._file = Cc[LF_CID].createInstance(Ci.nsILocalFile);
MozillaFileLogger._file.initWithPath(path);
MozillaFileLogger._foStream = Cc[FOSTREAM_CID].createInstance(Ci.nsIFileOutputStream);
MozillaFileLogger._foStream.init(this._file, PR_WRITE_ONLY | PR_CREATE_FILE | PR_APPEND,
0664, 0);
}
MozillaFileLogger.getLogCallback = function() {
return function (msg) {
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
var data = msg.num + " " + msg.level + " " + msg.info.join(' ') + "\n";
MozillaFileLogger._foStream.write(data, data.length);
if (data.indexOf("SimpleTest FINISH") >= 0) {
MozillaFileLogger.close();
}
}
}
MozillaFileLogger.close = function() {
netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
MozillaFileLogger._foStream.close();
MozillaFileLogger._foStream = null;
MozillaFileLogger._file = null;
}