JezK

Name: test
Start: 2022-11-25
End: 2022-11-25

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

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25 Nov. 2022

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JezK

Edit File: middleware_stack_test.rb

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