From a0563bf7b07f218f23c7f46e2fdb4c5c0fd7d488 Mon Sep 17 00:00:00 2001
From: Jeremy Kemper <jeremy@bitsweat.net>
Date: Sat, 3 Mar 2007 08:18:30 +0000
Subject: Cookie store: test that >4K raises CookieOverflow and that
 unverifiable cookies are automatically deleted.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@6294 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 .../test/controller/session/cookie_store_test.rb   | 56 +++++++++++++++++-----
 1 file changed, 43 insertions(+), 13 deletions(-)

(limited to 'actionpack/test/controller/session/cookie_store_test.rb')

diff --git a/actionpack/test/controller/session/cookie_store_test.rb b/actionpack/test/controller/session/cookie_store_test.rb
index 353785825b..8c1cb7a986 100755
--- a/actionpack/test/controller/session/cookie_store_test.rb
+++ b/actionpack/test/controller/session/cookie_store_test.rb
@@ -68,56 +68,86 @@ class CookieStoreTest < Test::Unit::TestCase
     end
   end
 
+  def test_restore_deletes_tampered_cookies
+    set_cookie! 'a--b'
+    new_session do |session|
+      assert_raise(CGI::Session::CookieStore::TamperedWithCookie) { session['fail'] }
+      assert_cookie_deleted session
+    end
+  end
+
   def test_close_doesnt_write_cookie_if_data_is_blank
     new_session do |session|
-      assert_nil session.cgi.output_cookies, session.cgi.output_cookies.inspect
+      assert_no_cookies session
       session.close
-      assert_nil session.cgi.output_cookies, session.cgi.output_cookies.inspect
+      assert_no_cookies session
     end
   end
 
   def test_close_doesnt_write_cookie_if_data_is_unchanged
     set_cookie! Cookies::TYPICAL.first
     new_session do |session|
-      assert_nil session.cgi.output_cookies, session.cgi.output_cookies.inspect
+      assert_no_cookies session
       session['user_id'] = session['user_id']
       session.close
-      assert_nil session.cgi.output_cookies, session.cgi.output_cookies.inspect
+      assert_no_cookies session
+    end
+  end
+
+  def test_close_raises_when_data_overflows
+    set_cookie! Cookies::EMPTY.first
+    new_session do |session|
+      session['overflow'] = 'bye!' * 1024
+      assert_raise(CGI::Session::CookieStore::CookieOverflow) { session.close }
+      assert_no_cookies session
     end
   end
 
   def test_close_marshals_and_writes_cookie
     set_cookie! Cookies::TYPICAL.first
     new_session do |session|
-      assert_nil session.cgi.output_cookies, session.cgi.output_cookies.inspect
+      assert_no_cookies session
       session['flash'] = {}
-      assert_nil session.cgi.output_cookies, session.cgi.output_cookies.inspect
+      assert_no_cookies session
       session.close
       assert_equal 1, session.cgi.output_cookies.size
       cookie = session.cgi.output_cookies.first
       assert_equal ['_myapp_session', [Cookies::FLASHED.first]],
                    [cookie.name, cookie.value]
+      assert_cookie cookie, Cookies::FLASHED.first
     end
   end
 
   def test_delete_writes_expired_empty_cookie_and_sets_data_to_nil
     set_cookie! Cookies::TYPICAL.first
     new_session do |session|
-      assert_nil session.cgi.output_cookies, session.cgi.output_cookies.inspect
+      assert_no_cookies session
       session.delete
-      assert_equal 1, session.cgi.output_cookies.size
-      cookie = session.cgi.output_cookies.first
-      assert_equal ['_myapp_session', [], 1.year.ago.to_date],
-                   [cookie.name, cookie.value, cookie.expires.to_date]
+      assert_cookie_deleted session
 
       # @data is set to nil so #close doesn't send another cookie.
       session.close
-      assert_equal ['_myapp_session', [], 1.year.ago.to_date],
-                   [cookie.name, cookie.value, cookie.expires.to_date]
+      assert_cookie_deleted session
     end
   end
 
   private
+    def assert_no_cookies(session)
+      assert_nil session.cgi.output_cookies, session.cgi.output_cookies.inspect
+    end
+
+    def assert_cookie_deleted(session, message = 'Expected session deletion cookie to be set')
+      assert_equal 1, session.cgi.output_cookies.size
+      cookie = session.cgi.output_cookies.first
+      assert_cookie cookie, nil, 1.year.ago.to_date, message
+    end
+
+    def assert_cookie(cookie, value = nil, expires = nil, message = nil)
+      assert_equal '_myapp_session', cookie.name, message
+      assert_equal [value].compact, cookie.value, message
+      assert_equal expires, cookie.expires ? cookie.expires.to_date : cookie.expires, message
+    end
+
     def set_cookie!(value)
       ENV['HTTP_COOKIE'] = "_myapp_session=#{value}"
     end
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