require "spec_helper"

describe Berkshelf::Dependency do
  let(:cookbook_name) { "nginx" }
  let(:berksfile) { double("berksfile", filepath: fixtures_path.join("Berksfile").to_s) }

  describe "ClassMethods" do
    describe "::new" do
      let(:source) { described_class.new(berksfile, cookbook_name) }

      context "given no location key (i.e. :git, :path, :site)" do
        it "sets a nil valie for location" do
          expect(source.location).to be_nil
        end
      end

      context "given no value for :locked_version" do
        it "returns a wildcard match for any version" do
          expect(source.locked_version).to be_nil
        end
      end

      context "given no value for :constraint" do
        it "returns a wildcard match for any version" do
          expect(source.version_constraint.to_s).to eq(">= 0.0.0")
        end
      end

      context "given a value for :constraint" do
        let(:source) { described_class.new(berksfile, cookbook_name, constraint: "~> 1.0.84") }

        it "returns a Semverse::Constraint for the given version for version_constraint" do
          expect(source.version_constraint.to_s).to eq("~> 1.0.84")
        end
      end

      context "given a location key :git" do
        let(:url) { "git://url_to_git" }
        let(:source) { described_class.new(berksfile, cookbook_name, git: url) }

        it "initializes a GitLocation for location" do
          expect(source.location).to be_a(Berkshelf::GitLocation)
        end

        it "points to the given Git URL" do
          expect(source.location.uri).to eq(url)
        end
      end

      context "given a location key :path" do
        context "given a value for path that contains a cookbook" do
          let(:path) { fixtures_path.join("cookbooks", "example_cookbook").to_s }
          let(:location) { described_class.new(berksfile, cookbook_name, path: path).location }

          it "initializes a PathLocation for location" do
            expect(location).to be_a(Berkshelf::PathLocation)
          end

          it "points to the specified path" do
            expect(location.options[:path]).to eq(path)
          end
        end

        context "given a group option containing a single group" do
          let(:group) { :production }
          let(:source) { described_class.new(berksfile, cookbook_name, group: group) }

          it "assigns the single group to the groups attribute" do
            expect(source.groups).to include(group)
          end
        end

        context "given a group option containing an array of groups" do
          let(:groups) { [ :development, :test ] }
          let(:source) { described_class.new(berksfile, cookbook_name, group: groups) }

          it "assigns all the groups to the group attribute" do
            expect(source.groups).to eq(groups)
          end
        end

        context "given no group option" do
          let(:source) { described_class.new(berksfile, cookbook_name) }

          it "has the default group assigned" do
            expect(source.groups).to include(:default)
          end
        end
      end
    end
  end

  subject { described_class.new(berksfile, cookbook_name) }

  describe "#add_group" do
    it "stores strings as symbols" do
      subject.add_group "foo"
      expect(subject.groups).to eq([:default, :foo])
    end

    it "does not store duplicate groups" do
      subject.add_group "bar"
      subject.add_group "bar"
      subject.add_group :bar
      expect(subject.groups).to eq([:default, :bar])
    end

    it "adds multiple groups" do
      subject.add_group "baz", "quux"
      expect(subject.groups).to eq([:default, :baz, :quux])
    end

    it "handles multiple groups as an array" do
      subject.add_group %w{baz quux}
      expect(subject.groups).to eq([:default, :baz, :quux])
    end
  end

  describe "#cached_cookbook"
  describe "#download"

  describe "#installed?" do
    it "returns true if self.cached_cookbook is not nil" do
      allow(subject).to receive(:cached_cookbook) { double("cb") }
      expect(subject.installed?).to be(true)
    end

    it "returns false if self.cached_cookbook is nil" do
      allow(subject).to receive(:cached_cookbook) { nil }
      expect(subject.installed?).to be(false)
    end
  end
end