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Allow roles to be declared empty

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git-svn-id: http://svn.rubyonrails.org/rails/tools/capistrano@6953 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
This commit is contained in:
Jamis Buck 2007-06-06 13:20:25 +00:00
parent d8d46ee839
commit 50942285c9
3 changed files with 5 additions and 5 deletions
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2
CHANGELOG
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@ -1,5 +1,7 @@
*SVN*
* Allow "empty" roles to be declared [Jamis Buck]
* Mercurial SCM module [Tobias Luetke, Matthew Elder]
* Invoke all commands via sh (customizable via :default_shell) [Jamis Buck]

1
lib/capistrano/configuration/roles.rb
View file

@ -43,7 +43,6 @@ module Capistrano
# role :web, "web2", "web3", :user => "www", :port => 2345
def role(which, *args)
options = args.last.is_a?(Hash) ? args.pop : {}
raise ArgumentError, "must give at least one host" if args.empty?
which = which.to_sym
args.each { |host| roles[which] << ServerDefinition.new(host, options) }
end

7
test/configuration/roles_test.rb
View file

@ -21,10 +21,9 @@ class ConfigurationRolesTest < Test::Unit::TestCase
assert @config.roles.empty?
end
def test_role_should_require_at_least_one_server
assert_raises ArgumentError do
@config.role :app
end
def test_role_should_allow_empty_list
@config.role :app
assert @config.roles[:app].empty?
end
def test_role_with_one_argument_should_add_to_roles_collection