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# frozen_string_literal: true
require "abstract_unit"
class DispatcherTest < ActiveSupport::TestCase
class Foo
cattr_accessor :a, :b
end
class DummyApp
def call(env)
[200, {}, "response"]
end
end
def setup
Foo.a, Foo.b = 0, 0
ActionDispatch::Callbacks.reset_callbacks(:call)
end
def test_before_and_after_callbacks
ActionDispatch::Callbacks.before { |*args| Foo.a += 1; Foo.b += 1 }
ActionDispatch::Callbacks.after { |*args| Foo.a += 1; Foo.b += 1 }
dispatch
assert_equal 2, Foo.a
assert_equal 2, Foo.b
dispatch
assert_equal 4, Foo.a
assert_equal 4, Foo.b
dispatch do
raise "error"
end rescue nil
assert_equal 6, Foo.a
assert_equal 6, Foo.b
end
private
def dispatch(&block)
app = block || DummyApp.new
env = Rack::MockRequest.env_for("", {})
wrap_in_rack_lint(ActionDispatch::Callbacks, app, env)
end
def wrap_in_rack_lint(klass, app, env)
Rack::Lint.new(
klass.new(
Rack::Lint.new(app)
)
).call(env)
end
end
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