Changeset 7172

Timestamp:

07/09/07 21:49:37 (2 years ago)

Author:

david

Message:

Added Hash#except which is the inverse of Hash#slice -- return the hash except the keys that are specified [DHH]

Files:

• trunk/activesupport/CHANGELOG (modified) (1 diff)
• trunk/activesupport/lib/active_support/core_ext/hash.rb (modified) (2 diffs)
• trunk/activesupport/lib/active_support/core_ext/hash/except.rb (added)
• trunk/activesupport/test/core_ext/hash_ext_test.rb (modified) (1 diff)

trunk/activesupport/CHANGELOG

@@ -1 +1 @@
-*SVN*
+
+* Added Hash#except which is the inverse of Hash#slice -- return the hash except the keys that are specified [DHH]
-
-* Added support for pluralization with a different starting letter than the singular version (cow/kine) #4929 [norri_b/hasmanyjosh]

trunk/activesupport/lib/active_support/core_ext/hash.rb

@@ -1 @@
-
+ except
-  require "#{File.dirname(__FILE__)}/hash/#{ext}"
-end
@@ -10 +10 @@
-  include ActiveSupport::CoreExtensions::Hash::Diff
-  include ActiveSupport::CoreExtensions::Hash::Slice
+  include ActiveSupport::CoreExtensions::Hash::Except
-end

trunk/activesupport/test/core_ext/hash_ext_test.rb

@@ -277 +277 @@
-      assert_equal expected, copy
-    end
+  end
+
+  def test_except
+    original = { :a => 'x', :b => 'y', :c => 10 }
+    expected = { :a => 'x', :b => 'y' }
+
+    # Should return a new hash with only the given keys.
+    assert_equal expected, original.except(:c)
+    assert_not_equal expected, original
+
+    # Should replace the hash with only the given keys.
+    assert_equal expected, original.except!(:c)
+    assert_equal expected, original
-  end
-end