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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 "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
end
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