137 lines
3.0 KiB
Ruby
137 lines
3.0 KiB
Ruby
# frozen_string_literal: true
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require "abstract_unit"
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class ExecutorTest < ActiveSupport::TestCase
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class MyBody < Array
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def initialize(&block)
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@on_close = block
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end
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def foo
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"foo"
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end
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def bar
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"bar"
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end
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def close
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@on_close.call if @on_close
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end
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end
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def test_returned_body_object_always_responds_to_close
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body = call_and_return_body
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assert_respond_to body, :close
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end
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def test_returned_body_object_always_responds_to_close_even_if_called_twice
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body = call_and_return_body
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assert_respond_to body, :close
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body.close
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body = call_and_return_body
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assert_respond_to body, :close
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body.close
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end
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def test_returned_body_object_behaves_like_underlying_object
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body = call_and_return_body do
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b = MyBody.new
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b << "hello"
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b << "world"
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[200, { "Content-Type" => "text/html" }, b]
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end
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assert_equal 2, body.size
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assert_equal "hello", body[0]
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assert_equal "world", body[1]
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assert_equal "foo", body.foo
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assert_equal "bar", body.bar
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end
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def test_it_calls_close_on_underlying_object_when_close_is_called_on_body
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close_called = false
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body = call_and_return_body do
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b = MyBody.new do
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close_called = true
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end
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[200, { "Content-Type" => "text/html" }, b]
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end
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body.close
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assert close_called
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end
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def test_returned_body_object_responds_to_all_methods_supported_by_underlying_object
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body = call_and_return_body do
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[200, { "Content-Type" => "text/html" }, MyBody.new]
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end
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assert_respond_to body, :size
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assert_respond_to body, :each
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assert_respond_to body, :foo
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assert_respond_to body, :bar
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end
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def test_run_callbacks_are_called_before_close
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running = false
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executor.to_run { running = true }
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body = call_and_return_body
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assert running
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running = false
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body.close
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assert_not running
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end
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def test_complete_callbacks_are_called_on_close
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completed = false
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executor.to_complete { completed = true }
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body = call_and_return_body
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assert_not completed
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body.close
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assert completed
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end
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def test_complete_callbacks_are_called_on_exceptions
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completed = false
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executor.to_complete { completed = true }
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begin
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call_and_return_body do
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raise "error"
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end
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rescue
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end
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assert completed
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end
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def test_callbacks_execute_in_shared_context
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result = false
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executor.to_run { @in_shared_context = true }
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executor.to_complete { result = @in_shared_context }
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call_and_return_body.close
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assert result
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assert_not defined?(@in_shared_context) # it's not in the test itself
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end
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private
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def call_and_return_body(&block)
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app = middleware(block || proc { [200, {}, "response"] })
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_, _, body = app.call("rack.input" => StringIO.new(""))
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body
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end
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def middleware(inner_app)
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ActionDispatch::Executor.new(inner_app, executor)
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end
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def executor
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@executor ||= Class.new(ActiveSupport::Executor)
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end
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end
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