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|
#--
# =============================================================================
# Copyright (c) 2004, Jamis Buck (jgb3@email.byu.edu)
# All rights reserved.
#
# This source file is distributed as part of the Needle dependency injection
# library for Ruby. This file (and the library as a whole) may be used only as
# allowed by either the BSD license, or the Ruby license (or, by association
# with the Ruby license, the GPL). See the "doc" subdirectory of the Needle
# distribution for the texts of these licenses.
# -----------------------------------------------------------------------------
# needle website : http://needle.rubyforge.org
# project website: http://rubyforge.org/projects/needle
# =============================================================================
#++
$:.unshift "../lib"
require 'needle'
require 'needle/interceptor'
require 'needle/pipeline/interceptor'
require 'needle/service-point'
require 'test/unit'
class TC_ServicePoint < Test::Unit::TestCase
class Model
attr_reader :service_point
attr_reader :name
attr_reader :priority
attr_accessor :succ
def initialize(point,name,priority,opts={},&callback)
@point = point
@priority = priority || 0
end
def call( *args )
succ.call( *args )
end
def <=>( item )
priority <=> item.priority
end
def reset!
end
end
class Container
def initialize( descended=true )
@descended = descended
end
def root
self
end
def non_public_services_exist?
true
end
def non_public_services_exist=( flag )
end
def []( name )
case name
when :service_models
{ :mock => [ :mock ] }
when :pipeline_elements
{ :mock => Model, :interceptor => Needle::Pipeline::InterceptorElement }
end
end
def fullname
"container"
end
def descended_from?( c )
@descended
end
end
class Interceptor
def initialize( point, opts )
end
def process( chain, context )
chain.process_next( context )
end
end
def setup
@container = Container.new
end
def test_initialize
point = nil
assert_nothing_raised do
point =
Needle::ServicePoint.new( @container, "test", :model => :mock ) {
Hash.new }
end
assert_equal "test", point.name
assert_equal "container.test", point.fullname
assert_nothing_raised do
point =
Needle::ServicePoint.new( @container, "test", :pipeline => [] ) {
Hash.new }
end
end
def test_instance_with_explicit_pipeline_class
point =
Needle::ServicePoint.new( @container, "test", :pipeline => [ Model ] ) {
Hash.new }
inst = point.instance
assert_instance_of Hash, inst
end
def test_instance
point =
Needle::ServicePoint.new( @container, "test", :model => :mock ) {
Hash.new }
inst = point.instance
assert_instance_of Hash, inst
end
def test_constructor_parms_single
point =
Needle::ServicePoint.new( @container, "test", :model => :mock ) do |c,p|
assert_equal @container, c
Hash.new
end
point.instance
end
def test_constructor_parms_multiple
point =
Needle::ServicePoint.new( @container, "test", :model => :mock ) do |c,p|
assert_equal @container, c
assert_equal point, p
Hash.new
end
point.instance
end
def test_interceptor
point =
Needle::ServicePoint.new( @container, "test", :model => :mock ) {
Hash.new }
interceptor = Needle::Interceptor.new.with { Interceptor }
point.interceptor interceptor
inst = point.instance
assert_instance_of Needle::InterceptorChainBuilder::InterceptedServiceProxy, inst
end
def test_interceptor_after_instance
reg = Needle::Registry.new
reg.define.foo { "hello" }
events = []
reg.intercept( :foo ).doing do |ch,ctx|
events << "first"
ch.process_next ctx
end
reg.intercept( :foo ).doing do |ch,ctx|
events << "second"
ch.process_next ctx
end
obj1 = reg.foo
obj1.length
assert_equal [ "first", "second" ], events
events = []
reg.intercept( :foo ).doing do |ch,ctx|
events << "third"
ch.process_next ctx
end
obj2 = reg.foo
obj2.length
assert_equal [ "first", "second", "third" ], events
assert_not_same obj1, obj2
end
end
|
