require "helper"
require "inspec/resource"
require "inspec/resources/docker_service"

describe "Inspec::Resources::DockerService" do
  describe "docker_service" do
    it "check docker service parsing" do
      resource = load_resource("docker_service", "service1")
      _(resource.id).must_equal "2ghswegspre1"
      _(resource.tag).must_equal "1.0"
      _(resource.image).must_equal "foo/image:1.0"
      _(resource.repo).must_equal "foo/image"
      _(resource.image_name).must_equal "foo/image"
      _(resource.replicas).must_equal "3/3"
      _(resource.mode).must_equal "replicated"
      _(resource.ports).must_equal "*:1234->1234/tcp"
    end

    it "check docker service from id" do
      resource = load_resource("docker_service", id: "2ghswegspre1")
      _(resource.id).must_equal "2ghswegspre1"
      _(resource.tag).must_equal "1.0"
      _(resource.image).must_equal "foo/image:1.0"
      _(resource.repo).must_equal "foo/image"
      _(resource.image_name).must_equal "foo/image"
      _(resource.replicas).must_equal "3/3"
      _(resource.mode).must_equal "replicated"
      _(resource.ports).must_equal "*:1234->1234/tcp"
    end

    it "check docker service from image" do
      resource = load_resource("docker_service", image: "foo/image:1.0")
      _(resource.id).must_equal "2ghswegspre1"
      _(resource.tag).must_equal "1.0"
      _(resource.image).must_equal "foo/image:1.0"
      _(resource.repo).must_equal "foo/image"
      _(resource.image_name).must_equal "foo/image"
      _(resource.replicas).must_equal "3/3"
      _(resource.mode).must_equal "replicated"
      _(resource.ports).must_equal "*:1234->1234/tcp"
    end

    it "prints as a docker_image resource" do
      resource = load_resource("docker_service", "service1")
      _(resource.to_s).must_equal "Docker Service service1"
    end
  end

  describe "#parse_components_from_image" do
    let(:resource) { load_resource("docker_service", "service1") }
    let(:parsed)   { resource.send(:parse_components_from_image, image_string) }

    describe "a nil image string" do
      let(:image_string) { nil }

      it "returns an empty hash" do
        _(parsed).must_equal({})
      end
    end

    describe "an image string containing a simple repo" do
      let(:image_string) { "chef/inspec" }

      it "returns correct data" do
        _(parsed[:repo]).must_equal "chef/inspec"
        _(parsed[:tag]).must_be_nil
      end
    end

    describe "parses an image string containing a repo with a port number" do
      let(:image_string) { "localhost:5000/chef/inspec" }

      it "returns correct data" do
        _(parsed[:repo]).must_equal "localhost:5000/chef/inspec"
        _(parsed[:tag]).must_be_nil
      end
    end

    describe "parses an image string containing a repo with a tag" do
      let(:image_string) { "chef/inspec:1.46.3" }

      it "returns correct data" do
        _(parsed[:repo]).must_equal "chef/inspec"
        _(parsed[:tag]).must_equal "1.46.3"
      end
    end

    describe "parses an image string containing a repo with a port number and a tag" do
      let(:image_string) { "localhost:5000/chef/inspec:1.46.3" }

      it "returns correct data" do
        _(parsed[:repo]).must_equal "localhost:5000/chef/inspec"
        _(parsed[:tag]).must_equal "1.46.3"
      end
    end
  end
end