Test for git.fetch

* clone repo
* remove tag locally
* git fetch origin
* verify that tag is back

Author: h-no

test/fetch.js

@@ -0,0 +1,40 @@
+'use strict';
+
+/* global describe, it, after, before, afterEach, beforeEach */
+
+var fs = require('fs');
+var rimraf = require('rimraf');
+var should = require('should');
+var exec = require('child_process').exec;
+
+module.exports = function(git, util){
+
+
+  beforeEach(function(done){
+    var repo = 'git://github.com/stevelacy/git-test';
+    git.clone(repo, {args: './test/tmp'}, function(){
+      exec('git update-ref -d refs/tags/v1.1.1', {cwd: './test/tmp'}, function(err){
+        if (err) return done(err);
+        done();
+      });
+    });
+  });
+
+  it('should fetch a tag from remote origin', function(done){
+    git.fetch('origin', '', {cwd: './test/tmp'}, function(){
+      fs.open('./test/tmp/.git/refs/tags/v1.1.1', 'r', function(err, fd) {
+        should.not.exist(err);
+        fs.close(fd, function() {
+          done();
+        });
+      });
+    });
+  });
+
+  afterEach(function(done){
+    rimraf('./test/tmp', function(err){
+      if(err) return done(err);
+      done();
+    });
+  });
+};