1 files changed, 322 insertions, 0 deletions
diff --git a/services/common/tests/unit/test_logmanager.js b/services/common/tests/unit/test_logmanager.js
new file mode 100644
index 0000000000..c96259a90a
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+++ b/services/common/tests/unit/test_logmanager.js
@@ -0,0 +1,322 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// NOTE: The sync test_errorhandler_* tests have quite good coverage for
+// other aspects of this.
+
+const { LogManager } = ChromeUtils.import(
+  "resource://services-common/logmanager.js"
+);
+const { FileUtils } = ChromeUtils.import(
+  "resource://gre/modules/FileUtils.jsm"
+);
+const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
+
+// Returns an array of [consoleAppender, dumpAppender, [fileAppenders]] for
+// the specified log.  Note that fileAppenders will usually have length=1
+function getAppenders(log) {
+  let capps = log.appenders.filter(app => app instanceof Log.ConsoleAppender);
+  equal(capps.length, 1, "should only have one console appender");
+  let dapps = log.appenders.filter(app => app instanceof Log.DumpAppender);
+  equal(dapps.length, 1, "should only have one dump appender");
+  let fapps = log.appenders.filter(
+    app => app instanceof LogManager.StorageStreamAppender
+  );
+  return [capps[0], dapps[0], fapps];
+}
+
+// Test that the correct thing happens when no prefs exist for the log manager.
+add_task(async function test_noPrefs() {
+  // tell the log manager to init with a pref branch that doesn't exist.
+  let lm = new LogManager("no-such-branch.", ["TestLog"], "test");
+
+  let log = Log.repository.getLogger("TestLog");
+  let [capp, dapp, fapps] = getAppenders(log);
+  // The console appender gets "Fatal" while the "dump" appender gets "Error" levels
+  equal(capp.level, Log.Level.Fatal);
+  equal(dapp.level, Log.Level.Error);
+  // and the file (stream) appender gets Debug by default
+  equal(fapps.length, 1, "only 1 file appender");
+  equal(fapps[0].level, Log.Level.Debug);
+  lm.finalize();
+});
+
+// Test that changes to the prefs used by the log manager are updated dynamically.
+add_task(async function test_PrefChanges() {
+  Services.prefs.setCharPref("log-manager.test.log.appender.console", "Trace");
+  Services.prefs.setCharPref("log-manager.test.log.appender.dump", "Trace");
+  Services.prefs.setCharPref(
+    "log-manager.test.log.appender.file.level",
+    "Trace"
+  );
+  let lm = new LogManager("log-manager.test.", ["TestLog2"], "test");
+
+  let log = Log.repository.getLogger("TestLog2");
+  let [capp, dapp, [fapp]] = getAppenders(log);
+  equal(capp.level, Log.Level.Trace);
+  equal(dapp.level, Log.Level.Trace);
+  equal(fapp.level, Log.Level.Trace);
+  // adjust the prefs and they should magically be reflected in the appenders.
+  Services.prefs.setCharPref("log-manager.test.log.appender.console", "Debug");
+  Services.prefs.setCharPref("log-manager.test.log.appender.dump", "Debug");
+  Services.prefs.setCharPref(
+    "log-manager.test.log.appender.file.level",
+    "Debug"
+  );
+  equal(capp.level, Log.Level.Debug);
+  equal(dapp.level, Log.Level.Debug);
+  equal(fapp.level, Log.Level.Debug);
+  // and invalid values should cause them to fallback to their defaults.
+  Services.prefs.setCharPref("log-manager.test.log.appender.console", "xxx");
+  Services.prefs.setCharPref("log-manager.test.log.appender.dump", "xxx");
+  Services.prefs.setCharPref("log-manager.test.log.appender.file.level", "xxx");
+  equal(capp.level, Log.Level.Fatal);
+  equal(dapp.level, Log.Level.Error);
+  equal(fapp.level, Log.Level.Debug);
+  lm.finalize();
+});
+
+// Test that the same log used by multiple log managers does the right thing.
+add_task(async function test_SharedLogs() {
+  // create the prefs for the first instance.
+  Services.prefs.setCharPref(
+    "log-manager-1.test.log.appender.console",
+    "Trace"
+  );
+  Services.prefs.setCharPref("log-manager-1.test.log.appender.dump", "Trace");
+  Services.prefs.setCharPref(
+    "log-manager-1.test.log.appender.file.level",
+    "Trace"
+  );
+  let lm1 = new LogManager("log-manager-1.test.", ["TestLog3"], "test");
+
+  // and the second.
+  Services.prefs.setCharPref(
+    "log-manager-2.test.log.appender.console",
+    "Debug"
+  );
+  Services.prefs.setCharPref("log-manager-2.test.log.appender.dump", "Debug");
+  Services.prefs.setCharPref(
+    "log-manager-2.test.log.appender.file.level",
+    "Debug"
+  );
+  let lm2 = new LogManager("log-manager-2.test.", ["TestLog3"], "test");
+
+  let log = Log.repository.getLogger("TestLog3");
+  let [capp, dapp] = getAppenders(log);
+
+  // console and dump appenders should be "trace" as it is more verbose than
+  // "debug"
+  equal(capp.level, Log.Level.Trace);
+  equal(dapp.level, Log.Level.Trace);
+
+  // Set the prefs on the -1 branch to "Error" - it should then end up with
+  // "Debug" from the -2 branch.
+  Services.prefs.setCharPref(
+    "log-manager-1.test.log.appender.console",
+    "Error"
+  );
+  Services.prefs.setCharPref("log-manager-1.test.log.appender.dump", "Error");
+  Services.prefs.setCharPref(
+    "log-manager-1.test.log.appender.file.level",
+    "Error"
+  );
+
+  equal(capp.level, Log.Level.Debug);
+  equal(dapp.level, Log.Level.Debug);
+
+  lm1.finalize();
+  lm2.finalize();
+});
+
+// A little helper to test what log files exist.  We expect exactly zero (if
+// prefix is null) or exactly one with the specified prefix.
+function checkLogFile(prefix) {
+  let logsdir = FileUtils.getDir("ProfD", ["weave", "logs"], true);
+  let entries = logsdir.directoryEntries;
+  if (!prefix) {
+    // expecting no files.
+    ok(!entries.hasMoreElements());
+  } else {
+    // expecting 1 file.
+    ok(entries.hasMoreElements());
+    let logfile = entries.getNext().QueryInterface(Ci.nsIFile);
+    equal(logfile.leafName.slice(-4), ".txt");
+    ok(logfile.leafName.startsWith(prefix + "-test-"), logfile.leafName);
+    // and remove it ready for the next check.
+    logfile.remove(false);
+  }
+}
+
+// Test that we correctly write error logs by default
+add_task(async function test_logFileErrorDefault() {
+  let lm = new LogManager("log-manager.test.", ["TestLog2"], "test");
+
+  let log = Log.repository.getLogger("TestLog2");
+  log.error("an error message");
+  await lm.resetFileLog(lm.REASON_ERROR);
+  // One error log file exists.
+  checkLogFile("error");
+
+  lm.finalize();
+});
+
+// Test that we correctly write success logs.
+add_task(async function test_logFileSuccess() {
+  Services.prefs.setBoolPref(
+    "log-manager.test.log.appender.file.logOnError",
+    false
+  );
+  Services.prefs.setBoolPref(
+    "log-manager.test.log.appender.file.logOnSuccess",
+    false
+  );
+
+  let lm = new LogManager("log-manager.test.", ["TestLog2"], "test");
+
+  let log = Log.repository.getLogger("TestLog2");
+  log.info("an info message");
+  await lm.resetFileLog();
+  // Zero log files exist.
+  checkLogFile(null);
+
+  // Reset logOnSuccess and do it again - log should appear.
+  Services.prefs.setBoolPref(
+    "log-manager.test.log.appender.file.logOnSuccess",
+    true
+  );
+  log.info("an info message");
+  await lm.resetFileLog();
+
+  checkLogFile("success");
+
+  // Now test with no "reason" specified and no "error" record.
+  log.info("an info message");
+  await lm.resetFileLog();
+  // should get a "success" entry.
+  checkLogFile("success");
+
+  // With no "reason" and an error record - should get no success log.
+  log.error("an error message");
+  await lm.resetFileLog();
+  // should get no entry
+  checkLogFile(null);
+
+  // And finally now with no error, to ensure that the fact we had an error
+  // previously doesn't persist after the .resetFileLog call.
+  log.info("an info message");
+  await lm.resetFileLog();
+  checkLogFile("success");
+
+  lm.finalize();
+});
+
+// Test that we correctly write error logs.
+add_task(async function test_logFileError() {
+  Services.prefs.setBoolPref(
+    "log-manager.test.log.appender.file.logOnError",
+    false
+  );
+  Services.prefs.setBoolPref(
+    "log-manager.test.log.appender.file.logOnSuccess",
+    false
+  );
+
+  let lm = new LogManager("log-manager.test.", ["TestLog2"], "test");
+
+  let log = Log.repository.getLogger("TestLog2");
+  log.info("an info message");
+  let reason = await lm.resetFileLog();
+  Assert.equal(reason, null, "null returned when no file created.");
+  // Zero log files exist.
+  checkLogFile(null);
+
+  // Reset logOnSuccess - success logs should appear if no error records.
+  Services.prefs.setBoolPref(
+    "log-manager.test.log.appender.file.logOnSuccess",
+    true
+  );
+  log.info("an info message");
+  reason = await lm.resetFileLog();
+  Assert.equal(reason, lm.SUCCESS_LOG_WRITTEN);
+  checkLogFile("success");
+
+  // Set logOnError and unset logOnSuccess - error logs should appear.
+  Services.prefs.setBoolPref(
+    "log-manager.test.log.appender.file.logOnSuccess",
+    false
+  );
+  Services.prefs.setBoolPref(
+    "log-manager.test.log.appender.file.logOnError",
+    true
+  );
+  log.error("an error message");
+  reason = await lm.resetFileLog();
+  Assert.equal(reason, lm.ERROR_LOG_WRITTEN);
+  checkLogFile("error");
+
+  // Now test with no "error" record.
+  log.info("an info message");
+  reason = await lm.resetFileLog();
+  // should get no file
+  Assert.equal(reason, null);
+  checkLogFile(null);
+
+  // With an error record we should get an error log.
+  log.error("an error message");
+  reason = await lm.resetFileLog();
+  // should get en error log
+  Assert.equal(reason, lm.ERROR_LOG_WRITTEN);
+  checkLogFile("error");
+
+  // And finally now with success, to ensure that the fact we had an error
+  // previously doesn't persist after the .resetFileLog call.
+  log.info("an info message");
+  await lm.resetFileLog();
+  checkLogFile(null);
+
+  lm.finalize();
+});
+
+function countLogFiles() {
+  let logsdir = FileUtils.getDir("ProfD", ["weave", "logs"], true);
+  let count = 0;
+  for (let entry of logsdir.directoryEntries) {
+    void entry;
+    count += 1;
+  }
+  return count;
+}
+
+// Test that removeAllLogs removes all log files.
+add_task(async function test_logFileError() {
+  Services.prefs.setBoolPref(
+    "log-manager.test.log.appender.file.logOnError",
+    true
+  );
+  Services.prefs.setBoolPref(
+    "log-manager.test.log.appender.file.logOnSuccess",
+    true
+  );
+
+  let lm = new LogManager("log-manager.test.", ["TestLog2"], "test");
+
+  let log = Log.repository.getLogger("TestLog2");
+  log.info("an info message");
+  let reason = await lm.resetFileLog();
+  Assert.equal(reason, lm.SUCCESS_LOG_WRITTEN, "success log was written.");
+
+  log.error("an error message");
+  reason = await lm.resetFileLog();
+  Assert.equal(reason, lm.ERROR_LOG_WRITTEN);
+
+  Assert.equal(countLogFiles(), 2, "expect 2 log files");
+  await lm.removeAllLogs();
+  Assert.equal(
+    countLogFiles(),
+    0,
+    "should be no log files after removing them"
+  );
+
+  lm.finalize();
+});