Backported the old streams. Nasty if statements abound.

test/streams/rollingFileStream-test.js

@@ -4,7 +4,9 @@ var vows = require('vows')
 , events = require('events')
 , fs = require('fs')
 , streams = require('stream')
-, RollingFileStream = require('../../lib/streams').RollingFileStream;
+, semver = require('semver')
+, RollingFileStream;
+
 
 function remove(filename) {
     try {
@@ -14,54 +16,57 @@ function remove(filename) {
     }
 }
 
-vows.describe('RollingFileStream').addBatch({
+if (semver.satisfies(process.version, '>=0.10.0')) {
+  RollingFileStream = require('../../lib/streams').RollingFileStream;
+
+  vows.describe('RollingFileStream').addBatch({
     'arguments': {
-        topic: function() {
-            remove(__dirname + "/test-rolling-file-stream");
-            return new RollingFileStream("test-rolling-file-stream", 1024, 5);
-        },
-        'should take a filename, file size in bytes, number of backups as arguments and return a Writable': function(stream) {
-          assert.instanceOf(stream, streams.Writable);
-          assert.equal(stream.filename, "test-rolling-file-stream");
-          assert.equal(stream.size, 1024);
-          assert.equal(stream.backups, 5);
-        },
-        'with default settings for the underlying stream': function(stream) {
-            assert.equal(stream.theStream.mode, 420);
-            assert.equal(stream.theStream.flags, 'a');
-	  //encoding isn't a property on the underlying stream
-          //assert.equal(stream.theStream.encoding, 'utf8');
-        }
+      topic: function() {
+        remove(__dirname + "/test-rolling-file-stream");
+        return new RollingFileStream("test-rolling-file-stream", 1024, 5);
+      },
+      'should take a filename, file size in bytes, number of backups as arguments and return a Writable': function(stream) {
+        assert.instanceOf(stream, streams.Writable);
+        assert.equal(stream.filename, "test-rolling-file-stream");
+        assert.equal(stream.size, 1024);
+        assert.equal(stream.backups, 5);
+      },
+      'with default settings for the underlying stream': function(stream) {
+        assert.equal(stream.theStream.mode, 420);
+        assert.equal(stream.theStream.flags, 'a');
+	      //encoding isn't a property on the underlying stream
+      //assert.equal(stream.theStream.encoding, 'utf8');
+      }
     },
     'with stream arguments': {
-        topic: function() {
-            remove(__dirname + '/test-rolling-file-stream');
-            return new RollingFileStream('test-rolling-file-stream', 1024, 5, { mode: 0666 });
-        },
-        'should pass them to the underlying stream': function(stream) {
-            assert.equal(stream.theStream.mode, 0666);
-        }
+      topic: function() {
+        remove(__dirname + '/test-rolling-file-stream');
+        return new RollingFileStream('test-rolling-file-stream', 1024, 5, { mode: 0666 });
+      },
+      'should pass them to the underlying stream': function(stream) {
+        assert.equal(stream.theStream.mode, 0666);
+      }
     },
     'without size': {
-        topic: function() {
-            try {
-                new RollingFileStream(__dirname + "/test-rolling-file-stream");
-            } catch (e) {
-                return e;
-            }
-        },
-        'should throw an error': function(err) {
-            assert.instanceOf(err, Error);
+      topic: function() {
+        try {
+          new RollingFileStream(__dirname + "/test-rolling-file-stream");
+        } catch (e) {
+          return e;
         }
+      },
+      'should throw an error': function(err) {
+        assert.instanceOf(err, Error);
+      }
     },
     'without number of backups': {
-        topic: function() {
-            remove('test-rolling-file-stream');
-            return new RollingFileStream(__dirname + "/test-rolling-file-stream", 1024);
-        },
-        'should default to 1 backup': function(stream) {
-            assert.equal(stream.backups, 1);
-        }
+      topic: function() {
+        remove('test-rolling-file-stream');
+        return new RollingFileStream(__dirname + "/test-rolling-file-stream", 1024);
+      },
+      'should default to 1 backup': function(stream) {
+        assert.equal(stream.backups, 1);
+      }
     },
     'writing less than the file size': {
       topic: function() {
@@ -70,7 +75,7 @@ vows.describe('RollingFileStream').addBatch({
         stream.write("cheese", "utf8", function() {
           stream.end();
           fs.readFile(__dirname + "/test-rolling-file-stream-write-less", "utf8", that.callback);
-	});
+	      });
       },
       'should write to the file': function(contents) {
         assert.equal(contents, "cheese");
@@ -89,12 +94,12 @@ vows.describe('RollingFileStream').addBatch({
         remove(__dirname + "/test-rolling-file-stream-write-more");
         remove(__dirname + "/test-rolling-file-stream-write-more.1");
         var that = this, stream = new RollingFileStream(__dirname + "/test-rolling-file-stream-write-more", 45);
-	async.forEach([0, 1, 2, 3, 4, 5, 6], function(i, cb) {
-	  stream.write(i +".cheese\n", "utf8", cb);
+	      async.forEach([0, 1, 2, 3, 4, 5, 6], function(i, cb) {
+	        stream.write(i +".cheese\n", "utf8", cb);
         }, function() {
-	  stream.end();
-	  that.callback();
-	});
+	        stream.end();
+	        that.callback();
+	      });
       },
       'the number of files': {
         topic: function() {
@@ -102,8 +107,8 @@ vows.describe('RollingFileStream').addBatch({
         },
         'should be two': function(files) {
           assert.equal(files.filter(
-	    function(file) { return file.indexOf('test-rolling-file-stream-write-more') > -1; }
-	  ).length, 2);
+	          function(file) { return file.indexOf('test-rolling-file-stream-write-more') > -1; }
+	        ).length, 2);
         }
       },
       'the first file': {
@@ -123,4 +128,5 @@ vows.describe('RollingFileStream').addBatch({
         }
       }
     }
-}).exportTo(module);
+  }).exportTo(module);
+}