save point durring huge unorganized refactor

test/unit/test_stdio_logger.js

@@ -0,0 +1,71 @@
+
+var es = require('../../src/elasticsearch');
+var Log = require('../../src/lib/log');
+var StdioLogger = require('../../src/lib/loggers/stdio');
+var _ = require('../../src/lib/utils');
+var expect = require('expect.js');
+var EventEmitter = require('events').EventEmitter;
+
+describe('Stdio Logger', function () {
+  var log, logger;
+
+  // pulled from chalk's stripColor function.
+  var hasColorRE = /\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]/;
+
+  function listenerCount(emitter, event) {
+    if (EventEmitter.listenerCount) {
+      return EventEmitter.listenerCount(emitter, event);
+    } else {
+      return emitter.listeners(event).length;
+    }
+  }
+
+  describe('pays attention to the level setting', function () {
+
+    beforeEach(function () {
+      log = new Log();
+
+      log.emit = function (name/*, ...args */) {
+        log._emission = {
+          name: name,
+          args: Array.prototype.slice(arguments, 1)
+        };
+      };
+
+      // new logger in warning mode
+      logger = new StdioLogger(log, {
+        levels: Log.parseLevels('trace')
+      });
+    });
+
+    afterEach(function () {
+      log.close();
+    });
+
+    it('listenes for all the events', function () {
+      listenerCount(log, 'error').should.eql(1);
+      listenerCount(log, 'warning').should.eql(1);
+      listenerCount(log, 'info').should.eql(1);
+      listenerCount(log, 'debug').should.eql(1);
+      listenerCount(log, 'trace').should.eql(1);
+    });
+
+    it('emits events because something is listening', function () {
+      log.error(new Error('error message'));
+      log._emission.name.should.eql('error');
+
+      log.warning('warning');
+      log._emission.name.should.eql('warning');
+
+      log.info('info');
+      log._emission.name.should.eql('info');
+
+      log.debug('debug');
+      log._emission.name.should.eql('debug');
+
+      log.trace('GET', {}, '', '', 200);
+      log._emission.name.should.eql('trace');
+    });
+
+  });
+});