#! /usr/bin/env ruby
# -*- coding: UTF-8 -*-
#

require 'spec_helper'
#
describe EvenDoors::Particle do
    #
    before(:each) do
        EvenDoors::Spin.clear!
    end
    #
    it "payload manipulation" do
        p = EvenDoors::Particle.new
        #
        p['key']=666
        p['key'].should eql 666
        p.data('key').should eql 666
        p.get_data('key').should eql 666
        #
        p.set_data 'key', 69
        p['key'].should eql 69
        p.data('key').should eql 69
        p.get_data('key').should eql 69
    end
    #
    it "payload clone" do
        p = EvenDoors::Particle.new
        p['k00'] = { 'k0'=>0,'k1'=>1}
        p['k11'] = [1,2,3]
        o = EvenDoors::Particle.new
        o.clone_data p
        p['k00']=nil
        p['k00'].should be_nil
        o['k00']['k0'].should eql 0
        o['k00']['k1'].should eql 1
        p['k11']=nil
        p['k11'].should be_nil
        o['k11'][0].should eql 1
        o['k11'][1].should eql 2
        o['k11'][2].should eql 3
    end
    #
    it "particle merge" do
        p = EvenDoors::Particle.new
        q = EvenDoors::Particle.new
        o = EvenDoors::Particle.new
        p.merge! q
        p.merge! o
        p.merged(0).should be q
        p.merged(1).should be o
        p.merged(2).should be_nil
        p.merged_shift.should be q
        p.merged(0).should be o
        p.merged(1).should be_nil
        p.merged_shift.should be o
        p.merged(0).should be_nil
        p.merge! q
        p.merge! o
        p.merged(0).should be q
        p.merged(1).should be o
        p.clear_merged!
        p.merged(0).should be_nil
    end
    #
    it "routing: add_dsts, next_dst and dst_routed!" do
        p = EvenDoors::Particle.new
        d0 = EvenDoors::Door.new 'door0'
        d1 = EvenDoors::Door.new 'door1'
        p.dst.should be_nil
        p.next_dst.should be_nil
        p.add_dsts 'some?where,room0/room1/door?action,room/door,door'
        p.next_dst.should eql 'some?where'
        p.dst_routed! d0
        p.dst.should be d0
        p.next_dst.should eql 'room0/room1/door?action'
        p.dst_routed! d1
        p.dst.should be d1
        p.next_dst.should eql 'room/door'
        p.dst_routed! nil
        p.dst.should be_nil
        p.next_dst.should eql 'door'
    end
    #
    it "wrong path should raise exeption" do
        p = EvenDoors::Particle.new
        lambda { p.set_dst! 'action', '/room' }.should raise_error(EvenDoors::Exception)
        lambda { p.set_dst! 'action', 'room/' }.should raise_error(EvenDoors::Exception)
        lambda { p.set_dst! '', 'room/' }.should raise_error(EvenDoors::Exception)
        lambda { p.set_dst! 'action', 'room//door' }.should raise_error(EvenDoors::Exception)
        lambda { p.set_dst! ' ' }.should raise_error(EvenDoors::Exception)
        lambda { p.set_dst! ' ', '' }.should raise_error(EvenDoors::Exception)
        lambda { p.set_dst! 'f f' }.should raise_error(EvenDoors::Exception)
        lambda { p.set_dst! '', ' d' }.should raise_error(EvenDoors::Exception)
        lambda { p.set_dst! '' }.should raise_error(EvenDoors::Exception)
        lambda { p.set_dst! '', '' }.should raise_error(EvenDoors::Exception)
        lambda { p.set_dst! nil }.should raise_error(TypeError)
        lambda { p.set_dst! 'action', nil }.should raise_error(NoMethodError)
    end
    #
    it "routing: set_dst! and split_dst!" do
        p = EvenDoors::Particle.new
        d0 = EvenDoors::Door.new 'door0'
        #
        p.set_dst! 'action', 'room0/room1/door'
        p.split_dst!
        p.room.should eql 'room0/room1'
        p.door.should eql 'door'
        p.action.should eql 'action'
        #
        p.set_dst! 'action', 'room/door'
        p.split_dst!
        p.room.should eql 'room'
        p.door.should eql 'door'
        p.action.should eql 'action'
        #
        p.set_dst! 'action', ''
        p.split_dst!
        p.room.should eql nil
        p.door.should eql nil
        p.action.should eql 'action'
        #
        p.set_dst! 'action'
        p.split_dst!
        p.room.should eql nil
        p.door.should eql nil
        p.action.should eql 'action'
        #
        p.clear_dsts!
        p.add_dsts 'door?action,?action'
        p.split_dst!
        p.room.should eql nil
        p.door.should eql 'door'
        p.action.should eql 'action'
        #
        p.dst_routed! d0
        #
        p.dst.should be d0
        p.split_dst!
        p.room.should eql nil
        p.door.should eql nil
        p.action.should eql 'action'
        #
    end
    #
    it "routing: error!" do
        p = EvenDoors::Particle.new
        d = EvenDoors::Door.new 'door'
        p.src = d
        p.add_dsts 'door?action,?action'
        p.next_dst.should eql 'door?action'
        p.error! 'err_msg'
        p[EvenDoors::ERROR_FIELD].should eql 'err_msg'
        p.action.should eq EvenDoors::ACT_ERROR
        p.dst.should be d
    end
    #
    it "link fields and link value" do
        p = EvenDoors::Particle.new
        p['k0'] = 'v0'
        p['k1'] = 'v1'
        p['k2'] = 'v2'
        p.set_link_fields 'k0,k2'
        p.link_value.should eql 'v0v2'
        p.set_link_fields 'k1,k0'
        p.link_value.should eql 'v1v0'
        p['k0']='vx'
        p.link_value.should eql 'v1vx'
    end
    #
    it "apply_link!" do
        p = EvenDoors::Particle.new
        p['k0'] = 'v0'
        p['k1'] = 'v1'
        p['k2'] = 'v2'
        p.set_link_fields 'k0,k2'
        p.add_dsts 'door?action,?action'
        p.src.should be_nil
        p.link_value.should eql 'v0v2'
        p.next_dst.should eql 'door?action'
        lnk = EvenDoors::Link.new('door0', 'door1?get,door2', 'k1', 'f0,f1', 'v0v1')
        f = Fake.new
        lnk.door = f
        p.apply_link! lnk
        p.src.should be f
        p.next_dst.should eql 'door1?get'
        p.link_value.should eql 'v1'
    end
    #
    it "json from to should work" do
        s0 = EvenDoors::Spin.new 'top'
        s1 = EvenDoors::Room.new 'room0', s0
        s2 = EvenDoors::Room.new 'room1', s1
        s3 = EvenDoors::Door.new 'doora', s2
        s4 = EvenDoors::Door.new 'doorb', s1
        p0 = EvenDoors::Particle.new
        p0['k0'] = 'v0'
        p0['k1'] = 'v1'
        p0['k2'] = 'v2'
        p0.src = s3
        p0.set_link_fields 'k0,k2'
        p0.add_dsts 'room0/room1/room2/doorX?myaction,door?action,?action'
        p0.split_dst!
        p1 = EvenDoors::Particle.new
        p1['k3'] = 'v6'
        p1['k4'] = 'v7'
        p1['k5'] = 'v8'
        p1.src = s3
        p1.dst_routed! s4
        p1.set_link_fields 'k5,k4,k3'
        p1.add_dsts 'room0/room1/door?action,output?action'
        p0.merge! p1
        px = EvenDoors::Particle.json_create( JSON.load( JSON.generate(p0) ) )
        ((px.ts-p0.ts)<0.5).should be_true
        px.src.should be s3
        px.dst.should be_nil
        px.room.should eql 'room0/room1/room2'
        px.door.should eql 'doorX'
        px.action.should eql 'myaction'
        px.next_dst.should eql 'room0/room1/room2/doorX?myaction'
        px.link_value.should eql 'v0v2'
        px['k0'].should eql 'v0'
        px['k1'].should eql 'v1'
        px['k2'].should eql 'v2'
        py = px.merged(0)
        ((py.ts-p1.ts)<0.5).should be_true
        py.src.should be s3
        py.dst.should be s4
        py.room.should be_nil
        py.door.should be_nil
        py.action.should be_nil
        py.next_dst.should eql 'room0/room1/door?action'
        py.link_value.should eql 'v8v7v6'
        py['k3'].should eql 'v6'
        py['k4'].should eql 'v7'
        py['k5'].should eql 'v8'
    end
    #
end
#
# EOF