fix removeTmp

lib/fileio.js

@@ -43,11 +43,11 @@ function tmpSave(roff) {
   });
 }
 
-function removeTmp(tmp) {
-  return fsUnlink(tmp).then(function deleteTmp() {
+function removeTmp() {
+  return fsUnlink(tmpFile).then(function deleteTmp() {
     return 'done';
   }).catch(function catchUnlink(err) {
-    console.log('Could not delete the temporary file at ' + tmp);
+    console.log('Could not delete the temporary file at ' + tmpFile);
     console.log('Error: ', + err);
   });
 }

test/fileio.js

@@ -8,6 +8,7 @@ var fileio = require('../lib/fileio');
 var Promise = require('bluebird');
 var fsReadFile = Promise.promisify(require('fs').readFile);
 var fsUnlink = Promise.promisify(require('fs').unlink);
+var fsWriteFile = Promise.promisify(require('fs').writeFile);
 var path = require('path');
 
 describe('methods', function() {
@@ -95,3 +96,20 @@ describe('tmpSave', function() {
     });
   });
 });
+
+describe('removeTmp', function() {
+  var tmp = path.resolve('./tmp/tmpfile');
+
+  before(function(done) {
+    fsWriteFile(tmp, 'hello world').then(function() {
+      done();
+    });
+  });
+
+  it('deletes the temporary file', function(done) {
+    fileio.removeTmp().then(function(result) {
+      expect(result).to.equal('done');
+      done();
+    });
+  });
+});