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node_modules/needle/test/uri_modifier_spec.js

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+var needle  = require('../'),
+    sinon   = require('sinon'),
+    should  = require('should'),
+    http    = require('http'),
+    helpers = require('./helpers');
+
+var port = 3456;
+
+describe('uri_modifier config parameter function', function() {
+
+  var server, uri;
+
+  function send_request(mw, cb) {
+    needle.get(uri, { uri_modifier: mw }, cb);
+  }
+
+  before(function(done){
+    server = helpers.server({ port: port }, done);
+  })
+
+  after(function(done) {
+    server.close(done);
+  })
+
+  describe('modifies uri', function() {
+
+    var path = '/foo/replace';
+
+    before(function() {
+      uri = 'localhost:' + port + path
+    });
+
+    it('should modify path', function(done) {
+      send_request(function(uri) {
+        return uri.replace('/replace', '');
+      }, function(err, res) {
+        should.not.exist(err);
+        should(res.req.path).be.exactly('/foo');
+        done();
+      });
+
+    });
+
+  })
+
+})