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

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

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

  it 'sets the ID when created' do
    Stanza.new('message').id.wont_be_nil
  end

  it 'sets the document when created' do
    Stanza.new('message').doc.wont_be_nil
  end

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

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

    s.id = nil
    s.id.must_be_nil
    s['id'].must_be_nil
  end

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

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

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

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

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

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

  it 'provides "attr_accessor" for type' do
    s = 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 = Stanza.new('message')
    err = s.as_error 'internal-server-error', 'cancel'
    err.must_be_instance_of StanzaError::InternalServerError
  end

  it 'can be converted into an error by error class' do
    s = Stanza.new('message')
    err = s.as_error StanzaError::InternalServerError, 'cancel'
    err.must_be_instance_of StanzaError::InternalServerError
  end
end