require File.expand_path("../../../../base", __FILE__)

require Vagrant.source_root.join("plugins/kernel_v2/config/vm")

describe VagrantPlugins::Kernel_V2::VMConfig do
  subject { described_class.new }

  describe "#provision" do
    it "stores the provisioners" do
      subject.provision("shell", inline: "foo")
      subject.provision("shell", inline: "bar")
      subject.finalize!

      r = subject.provisioners
      expect(r.length).to eql(2)
      expect(r[0].config.inline).to eql("foo")
      expect(r[1].config.inline).to eql("bar")
    end

    it "allows provisioner settings to be overriden" do
      subject.provision("shell", path: "foo", inline: "foo", id: "s")
      subject.provision("shell", inline: "bar", id: "s")
      subject.finalize!

      r = subject.provisioners
      expect(r.length).to eql(1)
      expect(r[0].config.inline).to eql("bar")
      expect(r[0].config.path).to eql("foo")
    end

    it "marks as invalid if a bad name" do
      subject.provision("nope", inline: "foo")
      subject.finalize!

      r = subject.provisioners
      expect(r.length).to eql(1)
      expect(r[0]).to be_invalid
    end

    describe "merging" do
      it "copies the configs" do
        subject.provision("shell", inline: "foo")
        subject_provs = subject.provisioners

        other = described_class.new
        other.provision("shell", inline: "bar")

        merged = subject.merge(other)
        merged_provs = merged.provisioners

        expect(merged_provs.length).to eql(2)
        expect(merged_provs[0].config.inline).
          to eq(subject_provs[0].config.inline)
        expect(merged_provs[0].config.object_id).
          to_not eq(subject_provs[0].config.object_id)
      end

      it "uses the proper order when merging overrides" do
        subject.provision("shell", inline: "foo", id: "original")
        subject.provision("shell", inline: "other", id: "other")

        other = described_class.new
        other.provision("shell", inline: "bar")
        other.provision("shell", inline: "foo-overload", id: "original")

        merged = subject.merge(other)
        merged_provs = merged.provisioners

        expect(merged_provs.length).to eql(3)
        expect(merged_provs[0].config.inline).
          to eq("other")
        expect(merged_provs[1].config.inline).
          to eq("bar")
        expect(merged_provs[2].config.inline).
          to eq("foo-overload")
      end

      it "can preserve order for overrides" do
        subject.provision("shell", inline: "foo", id: "original")
        subject.provision("shell", inline: "other", id: "other")

        other = described_class.new
        other.provision("shell", inline: "bar")
        other.provision(
          "shell", inline: "foo-overload", id: "original",
          preserve_order: true)

        merged = subject.merge(other)
        merged_provs = merged.provisioners

        expect(merged_provs.length).to eql(3)
        expect(merged_provs[0].config.inline).
          to eq("foo-overload")
        expect(merged_provs[1].config.inline).
          to eq("other")
        expect(merged_provs[2].config.inline).
          to eq("bar")
      end
    end
  end
end