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require 'abstract_unit'
class ViewLoadPathsTest < Test::Unit::TestCase
LOAD_PATH_ROOT = File.join(File.dirname(__FILE__), '..', 'fixtures')
ActionController::Base.view_paths = [ LOAD_PATH_ROOT ]
class TestController < ActionController::Base
def self.controller_path() "test" end
def rescue_action(e) raise end
before_filter :add_view_path, :only => :hello_world_at_request_time
def hello_world() end
def hello_world_at_request_time() render(:action => 'hello_world') end
private
def add_view_path
prepend_view_path "#{LOAD_PATH_ROOT}/override"
end
end
class Test::SubController < ActionController::Base
layout 'test/sub'
def hello_world; render(:template => 'test/hello_world'); end
end
def setup
TestController.view_paths = nil
@request = ActionController::TestRequest.new
@response = ActionController::TestResponse.new
@controller = TestController.new
# Following is needed in order to setup @controller.template object properly
@controller.send :initialize_template_class, @response
@controller.send :assign_shortcuts, @request, @response
# Track the last warning.
@old_behavior = ActiveSupport::Deprecation.behavior
@last_message = nil
ActiveSupport::Deprecation.behavior = Proc.new { |message, callback| @last_message = message }
end
def teardown
ActiveSupport::Deprecation.behavior = @old_behavior
end
def test_template_load_path_was_set_correctly
assert_equal [ LOAD_PATH_ROOT ], @controller.view_paths
end
def test_controller_appends_view_path_correctly
@controller.append_view_path 'foo'
assert_equal [LOAD_PATH_ROOT, 'foo'], @controller.view_paths
@controller.append_view_path(%w(bar baz))
assert_equal [LOAD_PATH_ROOT, 'foo', 'bar', 'baz'], @controller.view_paths
end
def test_controller_prepends_view_path_correctly
@controller.prepend_view_path 'baz'
assert_equal ['baz', LOAD_PATH_ROOT], @controller.view_paths
@controller.prepend_view_path(%w(foo bar))
assert_equal ['foo', 'bar', 'baz', LOAD_PATH_ROOT], @controller.view_paths
end
def test_template_appends_view_path_correctly
@controller.instance_variable_set :@template, ActionView::Base.new(TestController.view_paths, {}, @controller)
class_view_paths = TestController.view_paths
@controller.append_view_path 'foo'
assert_equal [LOAD_PATH_ROOT, 'foo'], @controller.view_paths
@controller.append_view_path(%w(bar baz))
assert_equal [LOAD_PATH_ROOT, 'foo', 'bar', 'baz'], @controller.view_paths
assert_equal class_view_paths, TestController.view_paths
end
def test_template_prepends_view_path_correctly
@controller.instance_variable_set :@template, ActionView::Base.new(TestController.view_paths, {}, @controller)
class_view_paths = TestController.view_paths
@controller.prepend_view_path 'baz'
assert_equal ['baz', LOAD_PATH_ROOT], @controller.view_paths
@controller.prepend_view_path(%w(foo bar))
assert_equal ['foo', 'bar', 'baz', LOAD_PATH_ROOT], @controller.view_paths
assert_equal class_view_paths, TestController.view_paths
end
def test_view_paths
get :hello_world
assert_response :success
assert_equal "Hello world!", @response.body
end
def test_view_paths_override
TestController.prepend_view_path "#{LOAD_PATH_ROOT}/override"
get :hello_world
assert_response :success
assert_equal "Hello overridden world!", @response.body
end
def test_view_paths_override_for_layouts_in_controllers_with_a_module
@controller = Test::SubController.new
Test::SubController.view_paths = [ "#{LOAD_PATH_ROOT}/override", LOAD_PATH_ROOT, "#{LOAD_PATH_ROOT}/override2" ]
get :hello_world
assert_response :success
assert_equal "layout: Hello overridden world!", @response.body
end
def test_view_paths_override_at_request_time
get :hello_world_at_request_time
assert_response :success
assert_equal "Hello overridden world!", @response.body
end
def test_inheritance
original_load_paths = ActionController::Base.view_paths
self.class.class_eval %{
class A < ActionController::Base; end
class B < A; end
class C < ActionController::Base; end
}
A.view_paths = [ 'a/path' ]
assert_equal [ 'a/path' ], A.view_paths
assert_equal A.view_paths, B.view_paths
assert_equal original_load_paths, C.view_paths
C.view_paths = []
assert_nothing_raised { C.view_paths << 'c/path' }
assert_equal ['c/path'], C.view_paths
end
end
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