require 'spec_helper'

unless ::Docker.podman?
  SingleCov.covered! uncovered: 2

  describe Docker::Network, docker_1_9: true do
    let(:name) do |example|
      example.description.downcase.gsub(/\s/, '-')
    end

    describe '#to_s' do
      subject { described_class.new(Docker.connection, info) }
      let(:connection) { Docker.connection }

      let(:id) do
        'a6c5ffd25e07a6c906accf804174b5eb6a9d2f9e07bccb8f5aa4f4de5be6d01d'
      end

      let(:info) do
        {
          'Name' => 'bridge',
          'Scope' => 'local',
          'Driver' => 'bridge',
          'IPAM' => {
            'Driver' => 'default',
            'Config' => [{ 'Subnet' => '172.17.0.0/16' }]
          },
          'Containers' => {},
          'Options' => {
            'com.docker.network.bridge.default_bridge' => 'true',
            'com.docker.network.bridge.enable_icc' => 'true',
            'com.docker.network.bridge.enable_ip_masquerade' => 'true',
            'com.docker.network.bridge.host_binding_ipv4' => '0.0.0.0',
            'com.docker.network.bridge.name' => 'docker0',
            'com.docker.network.driver.mtu' => '1500'
          },
          'id' => id
        }
      end

      let(:expected_string) do
        "Docker::Network { :id => #{id}, :info => #{info.inspect}, "\
          ":connection => #{connection} }"
      end

      its(:to_s) { should == expected_string }
    end

    describe '.create' do
      let!(:id) { subject.id }
      subject { described_class.create(name) }
      after { described_class.remove(id) }

      it 'creates a Network' do
        expect(Docker::Network.all.map(&:id)).to include(id)
      end
    end

    describe '.remove' do
      let(:id) { subject.id }
      subject { described_class.create(name) }

      it 'removes the Network' do
        described_class.remove(id)
        expect(Docker::Network.all.map(&:id)).to_not include(id)
      end
    end

    describe '.get' do
      after do
        described_class.remove(name)
      end

      let!(:network) { described_class.create(name) }

      it 'returns a network' do
        expect(Docker::Network.get(name).id).to eq(network.id)
      end
    end

    describe '.all' do
      let!(:networks) do
        5.times.map { |i| described_class.create("#{name}-#{i}") }
      end

      after do
        networks.each(&:remove)
      end

      it 'should return all networks' do
        expect(Docker::Network.all.map(&:id)).to include(*networks.map(&:id))
      end
    end

    describe '.prune', :docker_17_03 => true do
      it 'prune networks' do
        expect { Docker::Network.prune }.not_to raise_error
      end
    end

    describe '#connect' do
      let!(:container) do
        Docker::Container.create(
          'Cmd' => %w(sleep 10),
          'Image' => 'debian:stable'
        )
      end
      subject { described_class.create(name) }

      before(:each) { container.start }
      after(:each) do
        container.kill!.remove
        subject.remove
      end

      it 'connects a container to a network' do
        subject.connect(container.id)
        expect(subject.info['Containers']).to include(container.id)
      end
    end

    describe '#disconnect' do
      let!(:container) do
        Docker::Container.create(
          'Cmd' => %w(sleep 10),
          'Image' => 'debian:stable'
        )
      end

      subject { described_class.create(name) }

      before(:each) do
        container.start
        sleep 1
        subject.connect(container.id)
      end

      after(:each) do
        container.kill!.remove
        subject.remove
      end

      it 'connects a container to a network' do
        subject.disconnect(container.id)
        expect(subject.info['Containers']).not_to include(container.id)
      end
    end

    describe '#remove' do
      let(:id) { subject.id }
      let(:name) { 'test-network-remove' }
      subject { described_class.create(name) }

      it 'removes the Network' do
        subject.remove
        expect(Docker::Network.all.map(&:id)).to_not include(id)
      end
    end
  end
end