diff --git a/.travis.yml b/.travis.yml
index edfff988..6eff9fde 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -23,4 +23,4 @@ matrix:
     - env: TEST_SUITE=test:templates
   include:
     - env: TEST_SUITE=test:templates
-      rvm: 2.2
+      rvm: 2.2.5
diff --git a/lib/web_console/tasks/test_templates.rake b/lib/web_console/tasks/test_templates.rake
index a5b6d5c4..f00e5636 100644
--- a/lib/web_console/tasks/test_templates.rake
+++ b/lib/web_console/tasks/test_templates.rake
@@ -3,13 +3,15 @@ namespace :test do
   task templates: "templates:all"
 
   namespace :templates do
-    task all: [ :daemonize, :npm, :rackup, :wait, :mocha, :kill, :exit ]
+    task all: [ :daemonize, :npm, :rackup, :wait, :spec, :test, :kill, :exit ]
     task serve: [ :npm, :rackup ]
 
-    work_dir    = Pathname(EXPANDED_CWD).join("test/templates")
+    workdir    = Pathname(EXPANDED_CWD).join("test/templates")
     pid_file    = Pathname(Dir.tmpdir).join("web_console.#{SecureRandom.uuid}.pid")
-    runner_uri  = URI.parse("http://localhost:29292/html/spec_runner.html")
-    rackup_opts = "-p #{runner_uri.port}"
+    html_uri    = URI.parse("http://#{ENV['IP'] || '127.0.0.1'}:#{ENV['PORT'] || 29292}/html/")
+    spec_runner = 'spec_runner.html'
+    test_runner = 'test_runner.html'
+    rackup_opts = "--host #{html_uri.host} --port #{html_uri.port}"
     test_result = nil
 
     def need_to_wait?(uri)
@@ -23,20 +25,24 @@ namespace :test do
     end
 
     task :npm do
-      Dir.chdir(work_dir) { system "npm install --silent" }
+      Dir.chdir(workdir) { system "npm install --silent" }
     end
 
     task :rackup do
-      Dir.chdir(work_dir) { system "bundle exec rackup #{rackup_opts}" }
+      Dir.chdir(workdir) { system "bundle exec rackup #{rackup_opts}" }
     end
 
     task :wait do
       cnt = 0
-      need_to_wait?(runner_uri) { sleep 1; cnt += 1; cnt < 5 }
+      need_to_wait?(URI.join(html_uri, spec_runner)) { sleep 1; cnt += 1; cnt < 5 }
     end
 
-    task :mocha do
-      Dir.chdir(work_dir) { test_result = system("$(npm bin)/mocha-phantomjs #{runner_uri}") }
+    task :spec do
+      Dir.chdir(workdir) { test_result = system("./node_modules/.bin/mocha-phantomjs #{URI.join(html_uri, spec_runner)}") }
+    end
+
+    task :test do
+      Dir.chdir(workdir) { test_result = system("./node_modules/.bin/mocha-phantomjs #{URI.join(html_uri, test_runner)}") }
     end
 
     task :kill do
diff --git a/lib/web_console/testing/fake_middleware.rb b/lib/web_console/testing/fake_middleware.rb
index 95a75cc1..b58731a6 100644
--- a/lib/web_console/testing/fake_middleware.rb
+++ b/lib/web_console/testing/fake_middleware.rb
@@ -21,7 +21,7 @@ def call(env)
       end
 
       def view
-        @view ||= View.new(@view_path)
+        @view = View.new(@view_path)
       end
 
       private
diff --git a/test/templates/config.ru b/test/templates/config.ru
index 474169c0..e8bd6cb8 100644
--- a/test/templates/config.ru
+++ b/test/templates/config.ru
@@ -27,6 +27,13 @@ map "/spec" do
   )
 end
 
+map "/test" do
+  run WebConsole::Testing::FakeMiddleware.new(
+    req_path_regex: %r{^/test/(.*)},
+    view_path: TEST_ROOT.join("test"),
+  )
+end
+
 map "/templates" do
   run WebConsole::Testing::FakeMiddleware.new(
     req_path_regex: %r{^/templates/(.*)},
diff --git a/test/templates/html/spec_runner.html.erb b/test/templates/html/spec_runner.html.erb
index b577d20f..436291be 100644
--- a/test/templates/html/spec_runner.html.erb
+++ b/test/templates/html/spec_runner.html.erb
@@ -20,8 +20,8 @@
 
     <!-- find and load test cases -->
     <script src="/spec/spec_helper.js"></script>
-    <% Pathname.glob(TEST_ROOT.join "spec/**/*_spec.js") do |spec| %>
-    <script src="/<%= spec.relative_path_from TEST_ROOT %>"></script>
+    <% Pathname.glob(TEST_ROOT.join "spec/**/*_spec.js") do |t| %>
+    <script src="/<%= t.relative_path_from TEST_ROOT %>"></script>
     <% end %>
 
     <!-- run tests -->
diff --git a/test/templates/html/test_runner.html.erb b/test/templates/html/test_runner.html.erb
new file mode 100644
index 00000000..c3d4beb7
--- /dev/null
+++ b/test/templates/html/test_runner.html.erb
@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8" />
+    <title>Templates Test</title>
+    <link rel="stylesheet" href="/node_modules/mocha/mocha.css" />
+  </head>
+  <body>
+    <!-- setup for mocha -->
+    <div id="mocha"></div>
+    <script src="/node_modules/mocha/mocha.js"></script>
+    <script src="/node_modules/chai/chai.js"></script>
+    <script>
+      mocha.setup('tdd');
+      mocha.reporter('html');
+    </script>
+
+    <!-- load templates -->
+    <script src="/templates/console.js"></script>
+
+    <!-- find and load test cases -->
+    <script src="/spec/spec_helper.js"></script>
+    <% Pathname.glob(TEST_ROOT.join "test/**/*_test.js") do |t| %>
+    <script src="/<%= t.relative_path_from TEST_ROOT %>"></script>
+    <% end %>
+
+    <!-- run tests -->
+    <script>
+      if (window.mochaPhantomJS) {
+        mochaPhantomJS.run();
+      } else {
+        mocha.run();
+      }
+    </script>
+  </body>
+</html>
diff --git a/test/templates/spec/auto_complete_spec.js b/test/templates/spec/auto_complete_spec.js
new file mode 100644
index 00000000..fccf259f
--- /dev/null
+++ b/test/templates/spec/auto_complete_spec.js
@@ -0,0 +1,37 @@
+describe("Auto Complete", function() {
+  beforeEach(function() {
+    var self = this.autoComplete = new Autocomplete(["something", "somewhat", "somewhere"], 'some');
+    this.moveNext = function(times) {
+      for (var i = 0; i < times; ++i) self.next();
+    };
+    this.assertSelect = function(pos) {
+      assert.equal(self.current, pos);
+    };
+  });
+  describe("move functions", function() {
+    context("set up with three elements", function() {
+      it("should have three elements", function() {
+        assert.ok(this.autoComplete.view.children.length === 3)
+      });
+      it("should have no selected element", function() {
+        assert.ok(this.autoComplete.view.getElementsByClassName('selected').length === 0);
+      });
+      context("move next two times", function() {
+        beforeEach(function() { this.moveNext(2) });
+        it("should point the 1-th element", function() { this.assertSelect(1); });
+        context("back once", function() {
+          beforeEach(function() { this.autoComplete.back(); });
+          it("should point the 0-th element", function() { this.assertSelect(0); });
+          context("back once again", function() {
+            beforeEach(function() { this.autoComplete.back(); });
+            it("should point the last element", function() { this.assertSelect(2); });
+          });
+        });
+        context("move next two times again", function() {
+          beforeEach(function() { this.moveNext(2) });
+          it("should back to the first of list", function() { this.assertSelect(0); });
+        });
+      });
+    });
+  });
+});
diff --git a/test/templates/spec/repl_console_spec.js b/test/templates/spec/repl_console_spec.js
index 61587930..860b3e6f 100644
--- a/test/templates/spec/repl_console_spec.js
+++ b/test/templates/spec/repl_console_spec.js
@@ -1,6 +1,48 @@
 describe("REPLConsole", function() {
   SpecHelper.prepareStageElement();
 
+  describe("#swapWord", function() {
+    beforeEach(function() {
+      var elm = document.createElement('div');
+      elm.innerHTML = '<div id="console"></div>';
+      this.stageElement.appendChild(elm);
+      var consoleOptions = { mountPoint: '/mock', sessionId: 'result' };
+      this.console = REPLConsole.installInto('console', consoleOptions);
+    });
+    context("caret points to last item", function() {
+      beforeEach(function() {
+        this.console.setInput('hello world');
+        this.console.swapCurrentWord('swapped');
+      });
+      it('should be last word', function() { assert.equal(this.console._input, 'hello swapped'); });
+    });
+    context("points to first item", function() {
+      beforeEach(function() {
+        this.console.setInput('hello world', 3);
+        this.console.swapCurrentWord('swapped');
+      });
+      it('should be first word', function() { assert.equal(this.console._input, 'swapped world'); });
+    });
+  });
+
+  describe("#getCurrentWord", function() {
+    beforeEach(function() {
+      var elm = document.createElement('div');
+      elm.innerHTML = '<div id="console"></div>';
+      this.stageElement.appendChild(elm);
+      var consoleOptions = { mountPoint: '/mock', sessionId: 'result' };
+      this.console = REPLConsole.installInto('console', consoleOptions);
+    });
+    context("caret points to last item", function() {
+      beforeEach(function() { this.console.setInput('hello world'); });
+      it('should be last word', function() { assert.equal(this.console.getCurrentWord(), 'world'); });
+    });
+    context("points to first item", function() {
+      beforeEach(function() { this.console.setInput('hello world', 0); });
+      it('should be first word', function() { assert.equal(this.console.getCurrentWord(), 'hello'); });
+    });
+  });
+
   describe("#commandHandle", function() {
     function runCommandHandle(self, consoleOptions, callback) {
       self.console = REPLConsole.installInto('console', consoleOptions);
diff --git a/test/web_console/middleware_test.rb b/test/web_console/middleware_test.rb
index 0f7cd779..65909481 100644
--- a/test/web_console/middleware_test.rb
+++ b/test/web_console/middleware_test.rb
@@ -131,7 +131,7 @@ def body
       get '/', params: nil
       put "/repl_sessions/#{session.id}", xhr: true, params: { input: '__LINE__' }
 
-      assert_equal({ output: "=> #{line}\n" }.to_json, response.body)
+      assert_equal("=> #{line}\n", JSON.parse(response.body)["output"])
     end
 
     test 'can switch bindings on error pages' do
@@ -151,7 +151,7 @@ def body
       session, line = Session.new([binding]), __LINE__
       put "/customized/path/repl_sessions/#{session.id}", params: { input: '__LINE__' }, xhr: true
 
-      assert_equal({ output: "=> #{line}\n" }.to_json, response.body)
+      assert_equal("=> #{line}\n", JSON.parse(response.body)["output"])
     end
 
     test 'unavailable sessions respond to the user with a message' do