require File.join(File.dirname(__FILE__), *%w[.. spec_helper])

describe Blather::Stanza do
  it 'provides .next_id helper for generating new IDs' do
    proc { Blather::Stanza.next_id }.must_change 'Blather::Stanza.next_id'
  end

  it 'provides a handler registration mechanism' do
    class Registration < Blather::Stanza; register :handler_test, :handler, 'test:namespace'; end
    Registration.handler_hierarchy.must_include :handler_test
    Blather::Stanza.handler_list.must_include :handler_test
  end

  it 'can register based on handler' do
    class RegisterHandler < Blather::Stanza; register :register_handler; end
    Blather::Stanza.class_from_registration(:register_handler, nil).must_equal RegisterHandler
  end

  it 'can register based on given name' do
    class RegisterName < Blather::Stanza; register :handler, :registered_name; end
    Blather::Stanza.class_from_registration(:registered_name, nil).must_equal RegisterName
  end

  it 'can register subclass handlers' do
    class SuperClassRegister < Blather::Stanza; register :super_class; end
    class SubClassRegister < SuperClassRegister; register :sub_class; end
    SuperClassRegister.handler_hierarchy.wont_include :sub_class
    SubClassRegister.handler_hierarchy.must_include :super_class
  end

  it 'can import a node' do
    s = Blather::Stanza.import Blather::XMPPNode.new('foo')
    s.element_name.must_equal 'foo'
  end

  it 'provides an #error? helper' do
    s = Blather::Stanza.new('message')
    s.error?.must_equal false
    s.type = :error
    s.error?.must_equal true
  end

  it 'will generate a reply' do
    s = Blather::Stanza.new('message')
    s.from = f = Blather::JID.new('n@d/r')
    s.to = t = Blather::JID.new('d@n/r')

    r = s.reply
    r.object_id.wont_equal s.object_id
    r.from.must_equal t
    r.to.must_equal f
  end

  it 'convert to a reply' do
    s = Blather::Stanza.new('message')
    s.from = f = Blather::JID.new('n@d/r')
    s.to = t = Blather::JID.new('d@n/r')

    r = s.reply!
    r.object_id.must_equal s.object_id
    r.from.must_equal t
    r.to.must_equal f
  end

  it 'provides "attr_accessor" for id' do
    s = Blather::Stanza.new('message')
    s.id.must_be_nil
    s[:id].must_be_nil

    s.id = '123'
    s.id.must_equal '123'
    s[:id].must_equal '123'
  end

  it 'provides "attr_accessor" for to' do
    s = Blather::Stanza.new('message')
    s.to.must_be_nil
    s[:to].must_be_nil

    s.to = Blather::JID.new('n@d/r')
    s.to.wont_be_nil
    s.to.must_be_kind_of Blather::JID

    s[:to].wont_be_nil
    s[:to].must_equal 'n@d/r'
  end

  it 'provides "attr_accessor" for from' do
    s = Blather::Stanza.new('message')
    s.from.must_be_nil
    s[:from].must_be_nil

    s.from = Blather::JID.new('n@d/r')
    s.from.wont_be_nil
    s.from.must_be_kind_of Blather::JID

    s[:from].wont_be_nil
    s[:from].must_equal 'n@d/r'
  end

  it 'provides "attr_accessor" for type' do
    s = Blather::Stanza.new('message')
    s.type.must_be_nil
    s[:type].must_be_nil

    s.type = 'testing'
    s.type.wont_be_nil
    s[:type].wont_be_nil
  end

  it 'can be converted into an error by error name' do
    s = Blather::Stanza.new('message')
    err = s.as_error 'internal-server-error', 'cancel'
    err.name.must_equal :internal_server_error
  end
end