From 3ce64d4f1608330072e1959a10f9b84205baebfa Mon Sep 17 00:00:00 2001
From: Nick Sieger <nick@nicksieger.com>
Date: Thu, 7 Aug 2008 08:33:42 -0700
Subject: Fix checkin method, add a couple more tests

---
 .../test/cases/threaded_connections_test.rb        | 38 +++++++++++++++++++---
 1 file changed, 34 insertions(+), 4 deletions(-)

(limited to 'activerecord/test/cases/threaded_connections_test.rb')

diff --git a/activerecord/test/cases/threaded_connections_test.rb b/activerecord/test/cases/threaded_connections_test.rb
index 3abe9aea56..a9d82037bc 100644
--- a/activerecord/test/cases/threaded_connections_test.rb
+++ b/activerecord/test/cases/threaded_connections_test.rb
@@ -44,7 +44,6 @@ unless %w(FrontBase).include? ActiveRecord::Base.connection.adapter_name
   class PooledConnectionsTest < ActiveRecord::TestCase
     def setup
       @connection = ActiveRecord::Base.remove_connection
-      @connections = []
       @allow_concurrency = ActiveRecord::Base.allow_concurrency
       ActiveRecord::Base.allow_concurrency = true
     end
@@ -55,8 +54,9 @@ unless %w(FrontBase).include? ActiveRecord::Base.connection.adapter_name
       ActiveRecord::Base.establish_connection(@connection)
     end
 
-    def gather_connections
+    def checkout_connections
       ActiveRecord::Base.establish_connection(@connection.merge({:pool => 2, :wait_timeout => 0.3}))
+      @connections = []
       @timed_out = 0
 
       4.times do
@@ -70,10 +70,40 @@ unless %w(FrontBase).include? ActiveRecord::Base.connection.adapter_name
       end
     end
 
-    def test_threaded_connections
-      gather_connections
+    def test_pooled_connection_checkout
+      checkout_connections
       assert_equal @connections.length, 2
       assert_equal @timed_out, 2
     end
+
+    def checkout_checkin_connections(pool_size, threads)
+      ActiveRecord::Base.establish_connection(@connection.merge({:pool => pool_size, :wait_timeout => 0.5}))
+      @connection_count = 0
+      @timed_out = 0
+      threads.times do
+        Thread.new do
+          begin
+            conn = ActiveRecord::Base.connection_pool.checkout
+            sleep 0.1
+            ActiveRecord::Base.connection_pool.checkin conn
+            @connection_count += 1
+          rescue ActiveRecord::ConnectionTimeoutError
+            @timed_out += 1
+          end
+        end.join
+      end
+    end
+
+    def test_pooled_connection_checkin_one
+      checkout_checkin_connections 1, 2
+      assert_equal 2, @connection_count
+      assert_equal 0, @timed_out
+    end
+
+    def test_pooled_connection_checkin_two
+      checkout_checkin_connections 2, 3
+      assert_equal 3, @connection_count
+      assert_equal 0, @timed_out
+    end
   end
 end
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