require_relative "../../../../base"

describe "VagrantPlugins::GuestDebian::Cap::ConfigureNetworks" do
  let(:caps) do
    VagrantPlugins::GuestDebian::Plugin
      .components
      .guest_capabilities[:debian]
  end

  let(:guest) { double("guest") }
  let(:machine) { double("machine", guest: guest) }
  let(:comm) { VagrantTests::DummyCommunicator::Communicator.new(machine) }


  before do
    allow(machine).to receive(:communicate).and_return(comm)
  end

  after do
    comm.verify_expectations!
  end

  describe "#build_interface_entries" do
    let(:network_0) do
      {
        interface: 0,
        type: "dhcp",
      }
    end

    let(:network_1) do
      {
        interface: 1,
        type: "static",
        ip: "33.33.33.10",
        netmask: "255.255.0.0",
        gateway: "33.33.0.1",
      }
    end
  end

  describe ".configure_networks" do
    let(:cap) { caps.get(:configure_networks) }

    before do
      allow(guest).to receive(:capability).with(:network_interfaces)
        .and_return(["eth1", "eth2"])
    end

    let(:network_0) do
      {
        interface: 0,
        type: "dhcp",
      }
    end

    let(:network_1) do
      {
        interface: 1,
        type: "static",
        ip: "33.33.33.10",
        netmask: "255.255.0.0",
        gateway: "33.33.0.1",
      }
    end

    before do
      allow(comm).to receive(:test).with("systemctl | grep '^-.mount'").and_return(false)
      allow(comm).to receive(:test).with("sudo systemctl status systemd-networkd.service").and_return(false)
      allow(comm).to receive(:test).with("netplan -h").and_return(false)
    end

    it "creates and starts the networks using net-tools" do
      cap.configure_networks(machine, [network_0, network_1])

      expect(comm.received_commands[0]).to match("/sbin/ifdown 'eth1' || true")
      expect(comm.received_commands[0]).to match("/sbin/ip addr flush dev 'eth1'")
      expect(comm.received_commands[0]).to match("/sbin/ifdown 'eth2' || true")
      expect(comm.received_commands[0]).to match("/sbin/ip addr flush dev 'eth2'")
      expect(comm.received_commands[0]).to match("/sbin/ifup 'eth1'")
      expect(comm.received_commands[0]).to match("/sbin/ifup 'eth2'")
    end

    context "with systemd" do
      before do
        expect(comm).to receive(:test).with("systemctl | grep '^-.mount'").and_return(true)
        allow(comm).to receive(:test).with("netplan -h").and_return(false)
      end

      it "creates and starts the networks using net-tools" do
        cap.configure_networks(machine, [network_0, network_1])

        expect(comm.received_commands[0]).to match("/sbin/ifdown 'eth1' || true")
        expect(comm.received_commands[0]).to match("/sbin/ip addr flush dev 'eth1'")
        expect(comm.received_commands[0]).to match("/sbin/ifdown 'eth2' || true")
        expect(comm.received_commands[0]).to match("/sbin/ip addr flush dev 'eth2'")
        expect(comm.received_commands[0]).to match("/sbin/ifup 'eth1'")
        expect(comm.received_commands[0]).to match("/sbin/ifup 'eth2'")
      end

      context "with systemd-networkd" do
        before do
          expect(comm).to receive(:test).with("sudo systemctl status systemd-networkd.service").and_return(true)
        end

        it "creates and starts the networks using systemd-networkd" do
          cap.configure_networks(machine, [network_0, network_1])

          expect(comm.received_commands[0]).to match("mv -f '/tmp/vagrant-network-entry.*' '/etc/systemd/network/.*network'")
          expect(comm.received_commands[0]).to match("chown")
          expect(comm.received_commands[0]).to match("chmod")
          expect(comm.received_commands[0]).to match("systemctl restart")
        end
      end

      context "with netplan" do
        before do
          expect(comm).to receive(:test).with("netplan -h").and_return(true)
        end

        it "creates and starts the networks for systemd with netplan" do
          cap.configure_networks(machine, [network_0, network_1])

          expect(comm.received_commands[0]).to match("mv -f '/tmp/vagrant-network-entry.*' '/etc/netplan/.*.yaml'")
          expect(comm.received_commands[0]).to match("chown")
          expect(comm.received_commands[0]).to match("chmod")
          expect(comm.received_commands[0]).to match("netplan apply")
        end
      end
    end
  end
end