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require File.expand_path('../helper', __FILE__)
class DelegatorTest < Test::Unit::TestCase
class Mirror
attr_reader :last_call
def method_missing(*a, &b)
@last_call = [*a.map(&:to_s)]
@last_call << b if b
end
end
def self.delegates(name)
it "delegates #{name}" do
m = mirror { send name }
assert_equal [name.to_s], m.last_call
end
it "delegates #{name} with arguments" do
m = mirror { send name, "foo", "bar" }
assert_equal [name.to_s, "foo", "bar"], m.last_call
end
it "delegates #{name} with block" do
block = proc { }
m = mirror { send(name, &block) }
assert_equal [name.to_s, block], m.last_call
end
end
setup do
@target_was = Sinatra::Delegator.target
end
def teardown
Sinatra::Delegator.target = @target_was
end
def delegation_app(&block)
mock_app { Sinatra::Delegator.target = self }
delegate(&block)
end
def mirror(&block)
mirror = Mirror.new
Sinatra::Delegator.target = mirror
delegate(&block)
end
def delegate(&block)
assert Sinatra::Delegator.target != Sinatra::Application
Object.new.extend(Sinatra::Delegator).instance_eval(&block) if block
Sinatra::Delegator.target
end
def target
Sinatra::Delegator.target
end
it 'defaults to Sinatra::Application as target' do
assert_equal Sinatra::Application, Sinatra::Delegator.target
end
%w[get put post delete options patch link unlink].each do |verb|
it "delegates #{verb} correctly" do
delegation_app do
send(verb, '/hello') { 'Hello World' }
end
request = Rack::MockRequest.new(@app)
response = request.request(verb.upcase, '/hello', {})
assert response.ok?
assert_equal 'Hello World', response.body
end
end
it "delegates head correctly" do
delegation_app do
head '/hello' do
response['X-Hello'] = 'World!'
'remove me'
end
end
request = Rack::MockRequest.new(@app)
response = request.request('HEAD', '/hello', {})
assert response.ok?
assert_equal 'World!', response['X-Hello']
assert_equal '', response.body
end
it "registers extensions with the delegation target" do
app, mixin = mirror, Module.new
Sinatra.register mixin
assert_equal ["register", mixin.to_s], app.last_call
end
it "registers helpers with the delegation target" do
app, mixin = mirror, Module.new
Sinatra.helpers mixin
assert_equal ["helpers", mixin.to_s], app.last_call
end
it "registers middleware with the delegation target" do
app, mixin = mirror, Module.new
Sinatra.use mixin
assert_equal ["use", mixin.to_s], app.last_call
end
it "should work with method_missing proxies for options" do
mixin = Module.new do
def respond_to?(method, *)
method.to_sym == :options or super
end
def method_missing(method, *args, &block)
return super unless method.to_sym == :options
{:some => :option}
end
end
value = nil
mirror do
extend mixin
value = options
end
assert_equal({:some => :option}, value)
end
it "delegates crazy method names" do
Sinatra::Delegator.delegate "foo:bar:"
method = mirror { send "foo:bar:" }.last_call.first
assert_equal "foo:bar:", method
end
delegates 'get'
delegates 'patch'
delegates 'put'
delegates 'post'
delegates 'delete'
delegates 'head'
delegates 'options'
delegates 'template'
delegates 'layout'
delegates 'before'
delegates 'after'
delegates 'error'
delegates 'not_found'
delegates 'configure'
delegates 'set'
delegates 'mime_type'
delegates 'enable'
delegates 'disable'
delegates 'use'
delegates 'development?'
delegates 'test?'
delegates 'production?'
delegates 'helpers'
delegates 'settings'
end
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