require 'test_helper'

module Vedeu

  describe Geometry do

    let(:described)  { Vedeu::Geometry }
    let(:instance)   { described.new(attributes) }
    let(:attributes) {
      {
        centred:    centred,
        height:     height,
        maximised:  maximised,
        name:       _name,
        repository: Vedeu.geometries,
        width:      width,
        x:          x,
        xn:         xn,
        y:          y,
        yn:         yn,
      }
    }
    let(:centred)   {}
    let(:height)    {}
    let(:maximised) { false }
    let(:_name)     {}
    let(:width)     {}
    let(:x)         {}
    let(:xn)        {}
    let(:y)         {}
    let(:yn)        {}

    before { Terminal.stubs(:size).returns([12, 40]) }

    describe '#initialize' do
      subject { instance }

      it { subject.must_be_instance_of(described) }
      it { subject.instance_variable_get('@attributes').must_equal(attributes) }
      it { subject.instance_variable_get('@centred').must_equal(centred) }
      it { subject.instance_variable_get('@height').must_equal(height) }
      it { subject.instance_variable_get('@maximised').must_equal(maximised) }
      it { subject.instance_variable_get('@name').must_equal(_name) }
      it { subject.instance_variable_get('@width').must_equal(width) }
      it { subject.instance_variable_get('@x').must_equal(x) }
      it { subject.instance_variable_get('@xn').must_equal(xn) }
      it { subject.instance_variable_get('@y').must_equal(y) }
      it { subject.instance_variable_get('@yn').must_equal(yn) }
      it do
        subject.instance_variable_get('@repository').must_equal(Vedeu.geometries)
      end
    end

    describe '#maximise' do
      let(:attributes) {
        {
          height:    6,
          maximised: false,
          name:      'maximise',
          width:     18
        }
      }

      subject { instance.maximise }

      it { subject.must_be_instance_of(described) }

      it { subject.maximised.must_equal(true) }
    end

    describe '#unmaximise' do
      let(:attributes) {
        {
          height:    6,
          maximised: true,
          name:      'unmaximise',
          width:     18
        }
      }

      subject { instance.unmaximise }

      it { subject.must_be_instance_of(described) }

      it { subject.maximised.must_equal(false) }
    end

    describe '#top, #right, #bottom, #left' do
      context 'maximised is true' do
        let(:attributes) { { maximised: true } }

        it { instance.top.must_equal(1) }
        it { instance.right.must_equal(40) }
        it { instance.bottom.must_equal(12) }
        it { instance.left.must_equal(1) }
      end

      context 'centred is true' do
        let(:attributes) { { height: 6, width: 18, centred: true } }

        it { instance.top.must_equal(3) }
        it { instance.right.must_equal(29) }
        it { instance.bottom.must_equal(9) }
        it { instance.left.must_equal(11) }
      end

      context 'centred is true and y is set, y is ignored' do
        let(:attributes) { { height: 6, width: 18, centred: true, y: 4 } }

        it { instance.top.must_equal(3) }
        it { instance.right.must_equal(29) }
        it { instance.bottom.must_equal(9) }
        it { instance.left.must_equal(11) }
      end

      context 'centred is true and x is set, x is ignored' do
        let(:attributes) { { height: 6, width: 18, centred: true, x: 4 } }

        it { instance.top.must_equal(3) }
        it { instance.right.must_equal(29) }
        it { instance.bottom.must_equal(9) }
        it { instance.left.must_equal(11) }
      end

      context 'centred is false' do
        let(:attributes) { { height: 6, width: 18 } }

        it { instance.top.must_equal(1) }
        it { instance.right.must_equal(18) }
        it { instance.bottom.must_equal(6) }
        it { instance.left.must_equal(1) }
      end

      context 'centred is false and y is set' do
        let(:attributes) { { height: 6, width: 18, y: 4 } }

        it { instance.top.must_equal(4) }
        it { instance.right.must_equal(18) }
        it { instance.bottom.must_equal(9) }
        it { instance.left.must_equal(1) }
      end

      context 'centred is false and x is set' do
        let(:attributes) { { height: 6, width: 18, x: 4 } }

        it { instance.top.must_equal(1) }
        it { instance.right.must_equal(21) }
        it { instance.bottom.must_equal(6) }
        it { instance.left.must_equal(4) }
      end

      context 'maximised' do
        let(:attributes) { { maximised: true } }

        it { instance.top.must_equal(1) }
        it { instance.right.must_equal(40) }
        it { instance.bottom.must_equal(12) }
        it { instance.left.must_equal(1) }
      end
    end

    describe '#maximise' do
      let(:attributes) { { maximised: true } }

      subject { instance.maximise }

      it { instance.top.must_equal(1) }
      it { instance.right.must_equal(40) }
      it { instance.bottom.must_equal(12) }
      it { instance.left.must_equal(1) }
    end

    describe '#unmaximise' do
      let(:attributes) { { maximised: false } }

      subject { instance.unmaximise }

      it { instance.top.must_equal(1) }
      it { instance.right.must_equal(40) }
      it { instance.bottom.must_equal(12) }
      it { instance.left.must_equal(1) }
    end

  end # Geometry

end # Vedeu