diff --git a/Rakefile b/Rakefile
index 871c913c..45177c79 100644
--- a/Rakefile
+++ b/Rakefile
@@ -20,107 +20,7 @@ Rake::TestTask.new(:test) do |t|
   t.verbose = false
 end
 
-namespace :test do
-  desc "Run tests for templates"
-  task templates: "templates:all"
-
-  namespace :templates do
-    task all: [ :daemonize, :npm, :rackup, :mocha, :kill, :exit ]
-    task serve: [ :npm, :rackup ]
-
-    work_dir    = Pathname(__FILE__).dirname.join("test/templates")
-    pid_file    = Pathname(Dir.tmpdir).join("web_console.#{SecureRandom.uuid}.pid")
-    server_port = 29292
-    rackup_opts = "-p #{server_port}"
-    test_runner = "http://localhost:#{server_port}/html/spec_runner.html"
-    test_result = nil
-
-    task :daemonize do
-      rackup_opts += " -D -P #{pid_file}"
-    end
-
-    task :npm do
-      Dir.chdir(work_dir) { system "npm install --silent" }
-    end
-
-    task :rackup do
-      Dir.chdir(work_dir) { system "bundle exec rackup #{rackup_opts}" }
-    end
-
-    task :mocha do
-      Dir.chdir(work_dir) { test_result = system("$(npm bin)/mocha-phantomjs #{test_runner}") }
-    end
-
-    task :kill do
-      system "kill #{File.read pid_file}"
-    end
-
-    task :exit do
-      exit test_result
-    end
-  end
-end
-
-namespace :ext do
-  rootdir = Pathname('extensions')
-
-  desc 'Build Chrome Extension'
-  task chrome: 'chrome:build'
-
-  namespace :chrome do
-    dist   = Pathname('dist/crx')
-    extdir = rootdir.join(dist)
-    manifest_json = rootdir.join('chrome/manifest.json')
-
-    directory extdir
-
-    task build: [ extdir, 'lib:templates' ] do
-      cd rootdir do
-        cp_r [ 'img/', 'tmp/lib/' ], dist
-        `cd chrome && git ls-files`.split("\n").each do |src|
-          dest = dist.join(src)
-          mkdir_p dest.dirname
-          cp Pathname('chrome').join(src), dest
-        end
-      end
-    end
-
-    # Generate a .crx file.
-    task crx: [ :build, :npm ] do
-      out = "crx-web-console-#{JSON.parse(File.read(manifest_json))["version"]}.crx"
-      cd(extdir) { sh "node \"$(npm bin)/crx\" pack ./ -p ../crx-web-console.pem -o ../#{out}" }
-    end
-
-    # Generate a .zip file for Chrome Web Store.
-    task zip: [ :build ] do
-      version = JSON.parse(File.read(manifest_json))["version"]
-      cd(extdir) { sh "zip -r ../crx-web-console-#{version}.zip ./" }
-    end
-
-    desc 'Launch a browser with the chrome extension.'
-    task run: [ :build ] do
-      cd(rootdir) { sh "sh ./script/run_chrome.sh --load-extension=#{dist}" }
-    end
-  end
-
-  task :npm do
-    cd(rootdir) { sh "npm install --silent" }
-  end
-
-  namespace :lib do
-    templates = Pathname('lib/web_console/templates')
-    tmplib    = rootdir.join('tmp/lib/')
-    js_erb    = FileList.new(templates.join('**/*.js.erb'))
-    dirs      = js_erb.pathmap("%{^#{templates},#{tmplib}}d")
-
-    task templates: dirs + js_erb.pathmap("%{^#{templates},#{tmplib}}X")
-
-    dirs.each { |d| directory d }
-    rule '.js' => [ "%{^#{tmplib},#{templates}}X.js.erb" ] do |t|
-      File.write(t.name, WebConsole::Testing::ERBPrecompiler.new(t.source).build)
-    end
-  end
-end
+Dir['lib/web_console/tasks/**/*.rake'].each { |task| load task  }
 
 Bundler::GemHelper.install_tasks
 
diff --git a/lib/web_console/tasks/extensions.rake b/lib/web_console/tasks/extensions.rake
new file mode 100644
index 00000000..2035b841
--- /dev/null
+++ b/lib/web_console/tasks/extensions.rake
@@ -0,0 +1,60 @@
+namespace :ext do
+  rootdir = Pathname('extensions')
+
+  desc 'Build Chrome Extension'
+  task chrome: 'chrome:build'
+
+  namespace :chrome do
+    dist   = Pathname('dist/crx')
+    extdir = rootdir.join(dist)
+    manifest_json = rootdir.join('chrome/manifest.json')
+
+    directory extdir
+
+    task build: [ extdir, 'lib:templates' ] do
+      cd rootdir do
+        cp_r [ 'img/', 'tmp/lib/' ], dist
+        `cd chrome && git ls-files`.split("\n").each do |src|
+          dest = dist.join(src)
+          mkdir_p dest.dirname
+          cp Pathname('chrome').join(src), dest
+        end
+      end
+    end
+
+    # Generate a .crx file.
+    task crx: [ :build, :npm ] do
+      out = "crx-web-console-#{JSON.parse(File.read(manifest_json))["version"]}.crx"
+      cd(extdir) { sh "node \"$(npm bin)/crx\" pack ./ -p ../crx-web-console.pem -o ../#{out}" }
+    end
+
+    # Generate a .zip file for Chrome Web Store.
+    task zip: [ :build ] do
+      version = JSON.parse(File.read(manifest_json))["version"]
+      cd(extdir) { sh "zip -r ../crx-web-console-#{version}.zip ./" }
+    end
+
+    desc 'Launch a browser with the chrome extension.'
+    task run: [ :build ] do
+      cd(rootdir) { sh "sh ./script/run_chrome.sh --load-extension=#{dist}" }
+    end
+  end
+
+  task :npm do
+    cd(rootdir) { sh "npm install --silent" }
+  end
+
+  namespace :lib do
+    templates = Pathname('lib/web_console/templates')
+    tmplib    = rootdir.join('tmp/lib/')
+    js_erb    = FileList.new(templates.join('**/*.js.erb'))
+    dirs      = js_erb.pathmap("%{^#{templates},#{tmplib}}d")
+
+    task templates: dirs + js_erb.pathmap("%{^#{templates},#{tmplib}}X")
+
+    dirs.each { |d| directory d }
+    rule '.js' => [ "%{^#{tmplib},#{templates}}X.js.erb" ] do |t|
+      File.write(t.name, WebConsole::Testing::ERBPrecompiler.new(t.source).build)
+    end
+  end
+end
diff --git a/lib/web_console/tasks/test_templates.rake b/lib/web_console/tasks/test_templates.rake
new file mode 100644
index 00000000..a5b6d5c4
--- /dev/null
+++ b/lib/web_console/tasks/test_templates.rake
@@ -0,0 +1,50 @@
+namespace :test do
+  desc "Run tests for templates"
+  task templates: "templates:all"
+
+  namespace :templates do
+    task all: [ :daemonize, :npm, :rackup, :wait, :mocha, :kill, :exit ]
+    task serve: [ :npm, :rackup ]
+
+    work_dir    = 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}"
+    test_result = nil
+
+    def need_to_wait?(uri)
+      Net::HTTP.start(uri.host, uri.port) { |http| http.get(uri.path) }
+    rescue Errno::ECONNREFUSED
+      retry if yield
+    end
+
+    task :daemonize do
+      rackup_opts += " -D -P #{pid_file}"
+    end
+
+    task :npm do
+      Dir.chdir(work_dir) { system "npm install --silent" }
+    end
+
+    task :rackup do
+      Dir.chdir(work_dir) { system "bundle exec rackup #{rackup_opts}" }
+    end
+
+    task :wait do
+      cnt = 0
+      need_to_wait?(runner_uri) { sleep 1; cnt += 1; cnt < 5 }
+    end
+
+    task :mocha do
+      Dir.chdir(work_dir) { test_result = system("$(npm bin)/mocha-phantomjs #{runner_uri}") }
+    end
+
+    task :kill do
+      system "kill #{File.read pid_file}"
+    end
+
+    task :exit do
+      exit test_result
+    end
+  end
+end