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require 'abstract_unit'
ActionController::Base.helpers_dir = File.dirname(__FILE__) + '/../fixtures/helpers'
class TestController < ActionController::Base
attr_accessor :delegate_attr
def delegate_method() end
def rescue_action(e) raise end
end
module Fun
class GamesController < ActionController::Base
def render_hello_world
render :inline => "hello: <%= stratego %>"
end
def rescue_action(e) raise end
end
class PdfController < ActionController::Base
def test
render :inline => "test: <%= foobar %>"
end
def rescue_action(e) raise end
end
end
class ApplicationController < ActionController::Base
helper :all
end
module LocalAbcHelper
def a() end
def b() end
def c() end
end
class HelperTest < Test::Unit::TestCase
def setup
# Increment symbol counter.
@symbol = (@@counter ||= 'A0').succ!.dup
# Generate new controller class.
controller_class_name = "Helper#{@symbol}Controller"
eval("class #{controller_class_name} < TestController; end")
@controller_class = self.class.const_get(controller_class_name)
# Set default test helper.
self.test_helper = LocalAbcHelper
end
def test_deprecated_helper
assert_equal expected_helper_methods, missing_methods
assert_nothing_raised { @controller_class.helper TestHelper }
assert_equal [], missing_methods
end
def test_declare_helper
require 'abc_helper'
self.test_helper = AbcHelper
assert_equal expected_helper_methods, missing_methods
assert_nothing_raised { @controller_class.helper :abc }
assert_equal [], missing_methods
end
def test_declare_missing_helper
assert_equal expected_helper_methods, missing_methods
assert_raise(MissingSourceFile) { @controller_class.helper :missing }
end
def test_declare_missing_file_from_helper
require 'broken_helper'
rescue LoadError => e
assert_nil(/\bbroken_helper\b/.match(e.to_s)[1])
end
def test_helper_block
assert_nothing_raised {
@controller_class.helper { def block_helper_method; end }
}
assert master_helper_methods.include?('block_helper_method')
end
def test_helper_block_include
assert_equal expected_helper_methods, missing_methods
assert_nothing_raised {
@controller_class.helper { include HelperTest::TestHelper }
}
assert [], missing_methods
end
def test_helper_method
assert_nothing_raised { @controller_class.helper_method :delegate_method }
assert master_helper_methods.include?('delegate_method')
end
def test_helper_attr
assert_nothing_raised { @controller_class.helper_attr :delegate_attr }
assert master_helper_methods.include?('delegate_attr')
assert master_helper_methods.include?('delegate_attr=')
end
def test_helper_for_nested_controller
request = ActionController::TestRequest.new
response = ActionController::TestResponse.new
request.action = 'render_hello_world'
assert_equal 'hello: Iz guuut!', Fun::GamesController.process(request, response).body
end
def test_helper_for_acronym_controller
request = ActionController::TestRequest.new
response = ActionController::TestResponse.new
request.action = 'test'
assert_equal 'test: baz', Fun::PdfController.process(request, response).body
end
def test_all_helpers
methods = ApplicationController.master_helper_module.instance_methods.map(&:to_s)
# abc_helper.rb
assert methods.include?('bare_a')
# fun/games_helper.rb
assert methods.include?('stratego')
# fun/pdf_helper.rb
assert methods.include?('foobar')
end
def test_all_helpers_with_alternate_helper_dir
@controller_class.helpers_dir = File.dirname(__FILE__) + '/../fixtures/alternate_helpers'
# Reload helpers
@controller_class.master_helper_module = Module.new
@controller_class.helper :all
# helpers/abc_helper.rb should not be included
assert !master_helper_methods.include?('bare_a')
# alternate_helpers/foo_helper.rb
assert master_helper_methods.include?('baz')
end
def test_helper_proxy
methods = ApplicationController.helpers.methods.map(&:to_s)
# ActionView
assert methods.include?('pluralize')
# abc_helper.rb
assert methods.include?('bare_a')
# fun/games_helper.rb
assert methods.include?('stratego')
# fun/pdf_helper.rb
assert methods.include?('foobar')
end
private
def expected_helper_methods
TestHelper.instance_methods.map(&:to_s)
end
def master_helper_methods
@controller_class.master_helper_module.instance_methods.map(&:to_s)
end
def missing_methods
expected_helper_methods - master_helper_methods
end
def test_helper=(helper_module)
silence_warnings { self.class.const_set('TestHelper', helper_module) }
end
end
class IsolatedHelpersTest < Test::Unit::TestCase
class A < ActionController::Base
def index
render :inline => '<%= shout %>'
end
def rescue_action(e) raise end
end
class B < A
helper { def shout; 'B' end }
def index
render :inline => '<%= shout %>'
end
end
class C < A
helper { def shout; 'C' end }
def index
render :inline => '<%= shout %>'
end
end
def setup
@request = ActionController::TestRequest.new
@response = ActionController::TestResponse.new
@request.action = 'index'
end
def test_helper_in_a
assert_raise(ActionView::TemplateError) { A.process(@request, @response) }
end
def test_helper_in_b
assert_equal 'B', B.process(@request, @response).body
end
def test_helper_in_c
assert_equal 'C', C.process(@request, @response).body
end
end
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