From 408fe5facc482f84194bbe79865a26b57b2cc883 Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Wed, 31 May 2006 23:25:36 +0000
Subject: Added Array#to_s(:db) that'll produce a comma-separated list of ids
 [DHH] Split Grouping into its own file

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4387 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 activesupport/test/core_ext/array_ext_test.rb | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

(limited to 'activesupport/test/core_ext')

diff --git a/activesupport/test/core_ext/array_ext_test.rb b/activesupport/test/core_ext/array_ext_test.rb
index 0d5f58a9be..4cef0120d6 100644
--- a/activesupport/test/core_ext/array_ext_test.rb
+++ b/activesupport/test/core_ext/array_ext_test.rb
@@ -13,7 +13,7 @@ class ArrayExtToParamTests < Test::Unit::TestCase
   end
 end
 
-class ArrayExtConversionTests < Test::Unit::TestCase
+class ArrayExtToSentenceTests < Test::Unit::TestCase
   def test_plain_array_to_sentence
     assert_equal "", [].to_sentence
     assert_equal "one", ['one'].to_sentence
@@ -39,6 +39,19 @@ class ArrayExtConversionTests < Test::Unit::TestCase
   end
 end
 
+class ArrayExtToSTests < Test::Unit::TestCase
+  def test_to_s_db
+    collection = [
+      Class.new { def id() 1 end }.new,
+      Class.new { def id() 2 end }.new,
+      Class.new { def id() 3 end }.new
+    ]
+    
+    assert_equal "null", [].to_s(:db)
+    assert_equal "1,2,3", collection.to_s(:db)
+  end
+end
+
 class ArrayExtGroupingTests < Test::Unit::TestCase
   def test_group_by_with_perfect_fit
     groups = []
-- 
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