gecko/services/sync/tests/unit/test_log4moz.js

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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
Components.utils.import("resource://services-sync/log4moz.js");
Components.utils.import("resource://gre/modules/FileUtils.jsm");
let testFormatter = {
format: function format(message) {
return message.loggerName + "\t" + message.levelDesc + "\t" +
message.message + "\n";
}
};
function MockAppender(formatter) {
Log4Moz.Appender.call(this, formatter);
this.messages = [];
}
MockAppender.prototype = {
__proto__: Log4Moz.Appender.prototype,
doAppend: function DApp_doAppend(message) {
this.messages.push(message);
}
};
function run_test() {
run_next_test();
}
add_test(function test_Logger() {
let log = Log4Moz.repository.getLogger("test.logger");
let appender = new MockAppender(new Log4Moz.BasicFormatter());
log.level = Log4Moz.Level.Debug;
appender.level = Log4Moz.Level.Info;
log.addAppender(appender);
log.info("info test");
log.debug("this should be logged but not appended.");
do_check_eq(appender.messages.length, 1);
do_check_true(appender.messages[0].indexOf("info test") > 0);
do_check_true(appender.messages[0].indexOf("INFO") > 0);
run_next_test();
});
add_test(function test_Logger_parent() {
// Check whether parenting is correct
let grandparentLog = Log4Moz.repository.getLogger("grandparent");
let childLog = Log4Moz.repository.getLogger("grandparent.parent.child");
do_check_eq(childLog.parent.name, "grandparent");
let parentLog = Log4Moz.repository.getLogger("grandparent.parent");
do_check_eq(childLog.parent.name, "grandparent.parent");
// Check that appends are exactly in scope
let gpAppender = new MockAppender(new Log4Moz.BasicFormatter());
gpAppender.level = Log4Moz.Level.Info;
grandparentLog.addAppender(gpAppender);
childLog.info("child info test");
Log4Moz.repository.rootLogger.info("this shouldn't show up in gpAppender");
do_check_eq(gpAppender.messages.length, 1);
do_check_true(gpAppender.messages[0].indexOf("child info test") > 0);
run_next_test();
});
add_test(function test_StorageStreamAppender() {
let appender = new Log4Moz.StorageStreamAppender(testFormatter);
do_check_eq(appender.getInputStream(), null);
// Log to the storage stream and verify the log was written and can be
// read back.
let logger = Log4Moz.repository.getLogger("test.StorageStreamAppender");
logger.addAppender(appender);
logger.info("OHAI");
let inputStream = appender.getInputStream();
let data = NetUtil.readInputStreamToString(inputStream,
inputStream.available());
do_check_eq(data, "test.StorageStreamAppender\tINFO\tOHAI\n");
// We can read it again even.
let sndInputStream = appender.getInputStream();
let sameData = NetUtil.readInputStreamToString(sndInputStream,
sndInputStream.available());
do_check_eq(data, sameData);
// Reset the appender and log some more.
appender.reset();
do_check_eq(appender.getInputStream(), null);
logger.debug("wut?!?");
inputStream = appender.getInputStream();
data = NetUtil.readInputStreamToString(inputStream,
inputStream.available());
do_check_eq(data, "test.StorageStreamAppender\tDEBUG\twut?!?\n");
run_next_test();
});
function readFile(file) {
let fstream = Cc["@mozilla.org/network/file-input-stream;1"]
.createInstance(Ci.nsIFileInputStream);
fstream.init(file, -1, 0, 0);
let data = NetUtil.readInputStreamToString(fstream, fstream.available());
fstream.close();
return data;
}
add_test(function test_FileAppender() {
// This directory does not exist yet
let dir = FileUtils.getFile("ProfD", ["test_log4moz"]);
do_check_false(dir.exists());
let file = dir.clone();
file.append("test_FileAppender");
let appender = new Log4Moz.FileAppender(file, testFormatter);
// Logging against to a file that can't be created won't do harm.
let logger = Log4Moz.repository.getLogger("test.FileAppender");
logger.addAppender(appender);
logger.info("OHAI");
// The file will be written Once the directory leading up to the file exists.
dir.create(Ci.nsILocalFile.DIRECTORY_TYPE, FileUtils.PERMS_DIRECTORY);
logger.info("OHAI");
do_check_true(file.exists());
do_check_eq(readFile(file), "test.FileAppender\tINFO\tOHAI\n");
// Reset the appender and log some more.
appender.reset();
do_check_false(file.exists());
logger.debug("O RLY?!?");
do_check_true(file.exists());
do_check_eq(readFile(file), "test.FileAppender\tDEBUG\tO RLY?!?\n");
run_next_test();
});