more tests, simplified the standard tests for the loggers

test/unit/test_file_logger.js

@@ -0,0 +1,29 @@
+var Log = require('../../src/lib/log');
+var FileLogger = require('../../src/lib/loggers/file');
+var sinon = require('sinon');
+var parentLog;
+
+beforeEach(function () {
+  parentLog = new Log();
+});
+
+afterEach(function () {
+  parentLog.close();
+});
+
+function makeLogger(parent, levels, path) {
+  parent = parent || parentLog;
+  var config = {
+    levels: Log.parseLevels(levels || 'trace'),
+    path: path === void 0 ? 'elasticsearch.log' : path
+  };
+  return new FileLogger(parent, config);
+}
+
+var stub = require('./auto_release_stub').make();
+
+describe('File Logger', function () {
+
+  require('./generic_logger_tests')(makeLogger);
+
+});