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require 'abstract_unit'
class ViewLoadPathsTest < ActionController::TestCase
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 "#{FIXTURE_LOAD_PATH}/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 :assign_shortcuts, @request, @response
@controller.send :initialize_template_class, @response
# Track the last warning.
@old_behavior = ActiveSupport::Deprecation.behavior
@last_message = nil
ActiveSupport::Deprecation.behavior = Proc.new { |message, callback| @last_message = message }
@paths = TestController.view_paths
end
def teardown
TestController.view_paths = @paths
ActiveSupport::Deprecation.behavior = @old_behavior
end
def expand(array)
array.map {|x| File.expand_path(x.to_s)}
end
def assert_paths(*paths)
controller = paths.first.is_a?(Class) ? paths.shift : @controller
assert_equal expand(paths), controller.view_paths.map { |p| p.to_s }
end
def test_template_load_path_was_set_correctly
assert_paths FIXTURE_LOAD_PATH
end
def test_controller_appends_view_path_correctly
@controller.append_view_path 'foo'
assert_paths(FIXTURE_LOAD_PATH, "foo")
@controller.append_view_path(%w(bar baz))
assert_paths(FIXTURE_LOAD_PATH, "foo", "bar", "baz")
@controller.append_view_path(FIXTURE_LOAD_PATH)
assert_paths(FIXTURE_LOAD_PATH, "foo", "bar", "baz", FIXTURE_LOAD_PATH)
end
def test_controller_prepends_view_path_correctly
@controller.prepend_view_path 'baz'
assert_paths("baz", FIXTURE_LOAD_PATH)
@controller.prepend_view_path(%w(foo bar))
assert_paths "foo", "bar", "baz", FIXTURE_LOAD_PATH
@controller.prepend_view_path(FIXTURE_LOAD_PATH)
assert_paths FIXTURE_LOAD_PATH, "foo", "bar", "baz", FIXTURE_LOAD_PATH
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_paths FIXTURE_LOAD_PATH, "foo"
@controller.append_view_path(%w(bar baz))
assert_paths FIXTURE_LOAD_PATH, "foo", "bar", "baz"
assert_paths TestController, *class_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_paths "baz", FIXTURE_LOAD_PATH
@controller.prepend_view_path(%w(foo bar))
assert_paths "foo", "bar", "baz", FIXTURE_LOAD_PATH
assert_paths TestController, *class_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 "#{FIXTURE_LOAD_PATH}/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 = [ "#{FIXTURE_LOAD_PATH}/override", FIXTURE_LOAD_PATH, "#{FIXTURE_LOAD_PATH}/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_decorate_view_paths_with_custom_resolver
decorator_class = Class.new(ActionView::PathResolver) do
def initialize(path_set)
@path_set = path_set
end
def find_all(*args)
@path_set.find_all(*args).collect do |template|
::ActionView::Template.new(
"Decorated body",
template.identifier,
template.handler,
{
:virtual_path => template.virtual_path,
:format => template.formats
}
)
end
end
end
decorator = decorator_class.new(TestController.view_paths)
TestController.view_paths = ActionView::PathSet.new.push(decorator)
get :hello_world
assert_response :success
assert_equal "Decorated body", @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_paths A, "a/path"
assert_paths A, *B.view_paths
assert_paths C, *original_load_paths
C.view_paths = []
assert_nothing_raised { C.append_view_path 'c/path' }
assert_paths C, "c/path"
end
def test_lookup_context_accessor
assert_equal ["test"], TestController.new.lookup_context.prefixes
end
end
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