printer specs, fix restart lpq watcher when it exit

job.js

@@ -29,15 +29,11 @@ function Job(lp) {
   });
 }
 
-Job.prototype.setStatus = function(status) {
+Job.prototype.update = function(status) {
   this.status = status;
   this.emit('updated', status);
 };
 
-Job.prototype.getStatus = function() {
-  return this.status;
-};
-
 Job.prototype.unqueue = function() {
   if (this.status.rank === 'active') {
     this.status.rank = 'completed';

package.json

@@ -1,6 +1,6 @@
 {
   "name": "node-printer",
-  "description": "Tool to send data to printer using CUPS. All lp options are supported.",
+  "description": "Create and manage one or multiple printers (w/ CUPS), send file path or node buffer with support for all lp options. Get feedback on jobs you sent.",
   "version": "1.0.0",
   "homepage": "http://github.com/alepee/node-printer",
   "keywords": [

printer.js

@@ -267,14 +267,13 @@ var parseStdout = function(data) {
 
 function Printer(name) {
   var self = this;
-  if (!Printer.match(name))
-    throw new TypeError(name + ' printer does not exist ; installed printers are ' + Printer.list());
+  if (!Printer.match(name)) {
+    console.error(
+      name + ' printer does not exist ; installed printers are ' + Printer.list()
+      );
+  }
   self.name = name;
   self.jobs = [];
-
-  self.on('watched', function() {
-    self.watch();
-  });
   self.watch();
 }
 
@@ -320,12 +319,15 @@ Printer.prototype.watch = function() {
       })[0];
 
       if (status) {
-        job.setStatus(status);
-      } else {
+        job.update(status);
+      } else if (job.status.rank === 'active') {
         job.unqueue();
       }
     });
-    self.emit('watched');
+  });
+
+  lpq.on('exit', function() {
+    self.watch();
   });
 };
 
@@ -363,7 +365,7 @@ Printer.prototype.printFile = function(filePath, options) {
   var job = new Job(lp);
   job.on('sent', function() {
     self.jobs.push(job);
-  })
+  });
 
   return job;
 };

spec/printer_spec.js

@@ -4,14 +4,12 @@ var Printer = require('../printer.js');
 
 describe('get list of installed printers', function() {
   var list = Printer.list();
-  if (!list.length) return;
 
   it('should return a list of printers name', function() {
-    expect(list.length > 0).toBe(true);
+    expect(list.constructor).toBe(Array);
   });
 
   it('should verify printer existance', function() {
-    expect(Printer.match(list[0])).toBe(true);
     expect(Printer.match('fakePrinterName')).toBe(false);
   });
 });