From be3e10cd26bc8ec29c6474d03a08a8e733108e7d Mon Sep 17 00:00:00 2001
From: Jon Leighton <j@jonathanleighton.com>
Date: Fri, 8 Mar 2013 13:34:58 +0000
Subject: Fix rails console --sandbox

I've also added a proper acceptance test which reproduced the issue.

Closes #9513, #9515.
---
 railties/test/application/console_test.rb | 82 ++++++++++++++++++++++++++++---
 1 file changed, 74 insertions(+), 8 deletions(-)

(limited to 'railties/test/application')

diff --git a/railties/test/application/console_test.rb b/railties/test/application/console_test.rb
index 3cb3643e3a..588682d3d4 100644
--- a/railties/test/application/console_test.rb
+++ b/railties/test/application/console_test.rb
@@ -81,18 +81,84 @@ class ConsoleTest < ActiveSupport::TestCase
     assert_equal 'Once upon a time in a world...',
       helper.truncate('Once upon a time in a world far far away')
   end
+end
+
+begin
+  require "pty"
+rescue LoadError
+end
 
-  def test_with_sandbox
-    require 'rails/all'
-    value = false
+class FullStackConsoleTest < ActiveSupport::TestCase
+  def setup
+    skip "PTY unavailable" unless defined?(PTY) && PTY.respond_to?(:open)
 
-    Class.new(Rails::Railtie) do
-      console do |app|
-        value = app.sandbox?
+    build_app
+    app_file 'app/models/post.rb', <<-CODE
+      class Post < ActiveRecord::Base
+      end
+    CODE
+    system "#{app_path}/bin/rails runner 'Post.connection.create_table :posts'"
+
+    @master, @slave = PTY.open
+  end
+
+  def teardown
+    teardown_app
+  end
+
+  def assert_output(expected, timeout = 0.2)
+    timeout = Time.now + timeout
+
+    output = ""
+    until output.include?(expected) || Time.now > timeout
+      if IO.select([@master], [], [], 0.1)
+        output << @master.readpartial(100)
       end
     end
 
-    load_environment(true)
-    assert value
+    assert output.include?(expected), "#{expected.inspect} expected, but got:\n\n#{output}"
+  end
+
+  def write_prompt(command)
+    @master.puts command
+    assert_output command
+  end
+
+  def kill(pid)
+    Process.kill('QUIT', pid)
+    Process.wait(pid)
+  rescue Errno::ESRCH
+  end
+
+  def spawn_console
+    pid = Process.spawn(
+      "#{app_path}/bin/rails console --sandbox",
+      in: @slave, out: @slave, err: @slave
+    )
+
+    assert_output "> ", 5
+    pid
+  end
+
+  def test_sandbox
+    pid = spawn_console
+
+    write_prompt "Post.count"
+    assert_output "=> 0"
+
+    write_prompt "Post.create"
+    assert_output "=> "
+
+    write_prompt "Post.count"
+    assert_output "=> 1"
+
+    kill pid
+
+    pid = spawn_console
+
+    write_prompt "Post.count"
+    assert_output "=> 0"
+  ensure
+    kill pid
   end
 end
-- 
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