Add a new command to generate fake devices for testing.

lib/cli.js

@@ -549,6 +549,39 @@ program
       })
   })
 
+program
+  .command('generate-fake-device')
+  .description('generates a fake device for testing')
+  .option('-n, --number <n>'
+    , 'how many devices to create (defaults to 1)'
+    , Number
+    , 1)
+  .action(function(options) {
+    var log = logger.createLogger('cli:generate-fake-device')
+      , fake = require('./util/fakedevice')
+      , n = options.number
+
+    function next() {
+      return fake.generate()
+        .then(function(serial) {
+          log.info('Created fake device "%s"', serial)
+
+          if (--n) {
+            return next()
+          }
+        })
+    }
+
+    next()
+      .then(function() {
+        process.exit(0)
+      })
+      .catch(function(err) {
+        log.fatal('Fake device creation had an error:', err.stack)
+        process.exit(1)
+      })
+  })
+
 program
   .command('local [serial..]')
   .description('start everything locally')