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authorDaniel Schierbeck <daniel.schierbeck@gmail.com>2008-09-21 14:56:02 +0200
committerMichael Koziarski <michael@koziarski.com>2008-10-19 13:42:52 +0200
commitab2b1570fdfcb6fa148f30ccd6edcff6428b4d7a (patch)
tree8e013c9a080e2e87c20137acc1becf285f02fe3e /activesupport
parent731c63f8ebc93e703b1a114d86f4f9f694ae48bf (diff)
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Made the :prefix option on Module#delegate accept a custom prefix.
Signed-off-by: Michael Koziarski <michael@koziarski.com>
Diffstat (limited to 'activesupport')
-rw-r--r--activesupport/lib/active_support/core_ext/module/delegation.rb2
-rw-r--r--activesupport/test/core_ext/module_test.rb9
2 files changed, 10 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/core_ext/module/delegation.rb b/activesupport/lib/active_support/core_ext/module/delegation.rb
index fee4454cb2..bd3afa1961 100644
--- a/activesupport/lib/active_support/core_ext/module/delegation.rb
+++ b/activesupport/lib/active_support/core_ext/module/delegation.rb
@@ -53,7 +53,7 @@ class Module
raise ArgumentError, "Delegation needs a target. Supply an options hash with a :to key as the last argument (e.g. delegate :hello, :to => :greeter)."
end
- prefix = options[:prefix] ? "#{to}_" : ""
+ prefix = options[:prefix] && (options[:prefix] == true ? "#{to}_" : "#{options[:prefix]}_")
methods.each do |method|
module_eval(<<-EOS, "(__DELEGATION__)", 1)
diff --git a/activesupport/test/core_ext/module_test.rb b/activesupport/test/core_ext/module_test.rb
index 071eefcb29..46d63748bc 100644
--- a/activesupport/test/core_ext/module_test.rb
+++ b/activesupport/test/core_ext/module_test.rb
@@ -38,6 +38,7 @@ end
Invoice = Struct.new(:client) do
delegate :street, :city, :name, :to => :client, :prefix => true
+ delegate :street, :city, :name, :to => :client, :prefix => :customer
end
class Name
@@ -97,6 +98,14 @@ class ModuleTest < Test::Unit::TestCase
assert_equal invoice.client_city, "Chicago"
end
+ def test_delegation_custom_prefix
+ david = Someone.new("David", Somewhere.new("Paulina", "Chicago"))
+ invoice = Invoice.new(david)
+ assert_equal invoice.customer_name, "David"
+ assert_equal invoice.customer_street, "Paulina"
+ assert_equal invoice.customer_city, "Chicago"
+ end
+
def test_parent
assert_equal Yz::Zy, Yz::Zy::Cd.parent
assert_equal Yz, Yz::Zy.parent