From b181297ad7f60c6006292ab024ed08a490bdb4f8 Mon Sep 17 00:00:00 2001
From: Hyonjee Joo <hj2339@columbia.edu>
Date: Tue, 17 Feb 2015 01:11:16 -0500
Subject: Created rake restart task.

Fixes #18876. Rake restart touches `tmp/restart.txt` to restart
application on next request. Updated tests and documentation
accordingly.
---
 railties/CHANGELOG.md                          |  7 ++++++
 railties/lib/rails/tasks.rb                    |  1 +
 railties/lib/rails/tasks/restart.rake          |  4 ++++
 railties/test/application/rake/restart_test.rb | 31 ++++++++++++++++++++++++++
 4 files changed, 43 insertions(+)
 create mode 100644 railties/lib/rails/tasks/restart.rake
 create mode 100644 railties/test/application/rake/restart_test.rb

(limited to 'railties')

diff --git a/railties/CHANGELOG.md b/railties/CHANGELOG.md
index 8306233dcd..8b10144413 100644
--- a/railties/CHANGELOG.md
+++ b/railties/CHANGELOG.md
@@ -1,3 +1,10 @@
+*   Created rake restart task. Restarts your Rails app by touching the 
+    `tmp/restart.txt`.
+
+    Fixes #18876.
+
+    *Hyonjee Joo*
+
 *   Set Rails console to use log formatter and log level as specified for the
     given environment.
 
diff --git a/railties/lib/rails/tasks.rb b/railties/lib/rails/tasks.rb
index 945fbdb3e2..a5e4d2935e 100644
--- a/railties/lib/rails/tasks.rb
+++ b/railties/lib/rails/tasks.rb
@@ -7,6 +7,7 @@ require 'rake'
   log
   middleware
   misc
+  restart
   routes
   statistics
   tmp
diff --git a/railties/lib/rails/tasks/restart.rake b/railties/lib/rails/tasks/restart.rake
new file mode 100644
index 0000000000..1af0302824
--- /dev/null
+++ b/railties/lib/rails/tasks/restart.rake
@@ -0,0 +1,4 @@
+desc "Restart app by touching tmp/restart.txt"
+task restart: :environment do
+  FileUtils.touch('tmp/restart.txt')
+end
diff --git a/railties/test/application/rake/restart_test.rb b/railties/test/application/rake/restart_test.rb
new file mode 100644
index 0000000000..35099913fb
--- /dev/null
+++ b/railties/test/application/rake/restart_test.rb
@@ -0,0 +1,31 @@
+require "isolation/abstract_unit"
+
+module ApplicationTests
+  module RakeTests
+    class RakeRestartTest < ActiveSupport::TestCase
+      include ActiveSupport::Testing::Isolation
+
+      def setup
+        build_app
+        boot_rails
+      end
+
+      def teardown
+        teardown_app
+      end
+      
+      test 'rake restart touches tmp/restart.txt' do
+        Dir.chdir(app_path) do
+          `rake restart`
+          assert File.exist?("tmp/restart.txt")
+          
+          prev_mtime = File.mtime("tmp/restart.txt")
+          sleep(1)
+          `rake restart`
+          curr_mtime = File.mtime("tmp/restart.txt")
+          assert_not_equal prev_mtime, curr_mtime
+        end
+      end
+    end
+  end
+end
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