JezK
Edit File: middleware_stack_test.rb
require 'abstract_unit' class MiddlewareStackTest < ActiveSupport::TestCase class FooMiddleware; end class BarMiddleware; end class BazMiddleware; end def setup @stack = ActionController::MiddlewareStack.new @stack.use FooMiddleware @stack.use BarMiddleware end test "use should push middleware as class onto the stack" do assert_difference "@stack.size" do @stack.use BazMiddleware end assert_equal BazMiddleware, @stack.last.klass end test "use should push middleware as a string onto the stack" do assert_difference "@stack.size" do @stack.use "MiddlewareStackTest::BazMiddleware" end assert_equal BazMiddleware, @stack.last.klass end test "use should push middleware as a symbol onto the stack" do assert_difference "@stack.size" do @stack.use :"MiddlewareStackTest::BazMiddleware" end assert_equal BazMiddleware, @stack.last.klass end test "use should push middleware class with arguments onto the stack" do assert_difference "@stack.size" do @stack.use BazMiddleware, true, :foo => "bar" end assert_equal BazMiddleware, @stack.last.klass assert_equal([true, {:foo => "bar"}], @stack.last.args) end test "insert inserts middleware at the integer index" do @stack.insert(1, BazMiddleware) assert_equal BazMiddleware, @stack[1].klass end test "insert_after inserts middleware after the integer index" do @stack.insert_after(1, BazMiddleware) assert_equal BazMiddleware, @stack[2].klass end test "insert_before inserts middleware before another middleware class" do @stack.insert_before(BarMiddleware, BazMiddleware) assert_equal BazMiddleware, @stack[1].klass end test "insert_after inserts middleware after another middleware class" do @stack.insert_after(BarMiddleware, BazMiddleware) assert_equal BazMiddleware, @stack[2].klass end test "swaps one middleware out for another" do assert_equal FooMiddleware, @stack[0].klass @stack.swap(FooMiddleware, BazMiddleware) assert_equal BazMiddleware, @stack[0].klass end test "active returns all only enabled middleware" do assert_no_difference "@stack.active.size" do assert_difference "@stack.size" do @stack.use BazMiddleware, :if => lambda { false } end end end test "lazy evaluates middleware class" do assert_difference "@stack.size" do @stack.use lambda { BazMiddleware } end assert_equal BazMiddleware, @stack.last.klass end test "lazy evaluates middleware arguments" do assert_difference "@stack.size" do @stack.use BazMiddleware, lambda { :foo } end assert_equal [:foo], @stack.last.send(:build_args) end end