Changes

node_modules/winston/test/transports/file-stress-test.js

@@ -0,0 +1,72 @@
+/*
+ * file-stress-test.js: Tests for stressing File transport
+ *
+ * (C) 2014 William Wong
+ * MIT LICENSE
+ *
+ */
+
+var assert = require('assert'),
+    fs = require('fs'),
+    os  = require('os'),
+    path = require('path'),
+    vows = require('vows'),
+    winston = require('../../lib/winston');
+
+vows.describe('winston/transports/file').addBatch({
+    'A stressed instance of the File Transport': {
+        topic: function () {
+            var callback = this.callback.bind(this),
+                logPath = path.resolve(__dirname, '../fixtures/logs/file-stress-test.log');
+
+            try {
+                fs.unlinkSync(logPath);
+            } catch (ex) {
+                if (ex && ex.code !== 'ENOENT') { return callback(ex); }
+            }
+
+            var fileTransport = new (winston.transports.File)({
+                    filename: logPath
+                }),
+                logger = new (winston.Logger)({
+                    transports: [fileTransport]
+                });
+
+            fileTransport.on('open', function () {
+                setTimeout(function () {
+                    clearInterval(interval);
+
+                    logger.query({ order: 'asc' }, function (err, results) {
+                        callback(null, results);
+                    });
+                }, 100);
+            });
+
+            var logIndex = 0,
+                interval = setInterval(function () {
+                    logger.info(++logIndex);
+                    stress(200);
+                }, 0);
+
+            logger.info(++logIndex);
+            stress(200);
+
+            function stress(duration) {
+                var startTime = Date.now();
+
+                while (Date.now() - startTime < duration) {
+                    Math.sqrt(Math.PI);
+                }
+            }
+        },
+        'should not skip any log lines': function (results) {
+            var testIndex = 0;
+
+            results.file.forEach(function (log) {
+                if (+log.message !== ++testIndex) {
+                    throw new Error('Number skipped');
+                }
+            });
+        }
+    }
+}).export(module);