#
# Copyright:: Copyright (c) 2014 Chef Software Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

require "spec_helper"
require "chef-dk/policyfile/chef_server_cookbook_source"

describe ChefDK::Policyfile::ChefServerCookbookSource do
  subject { described_class.new(cookbook_source) }

  let(:cookbook_source) { "https://chef.example.com/organizations/example" }

  let(:http_connection) { double("Chef::ServerAPI") }

  let(:universe_response_encoded) { JSON.parse(IO.read(File.join(fixtures_path, "cookbooks_api/chef_server_universe.json"))) }

  let(:pruned_universe) { JSON.parse(IO.read(File.join(fixtures_path, "cookbooks_api/pruned_chef_server_universe.json"))) }

  describe "fetching the Universe graph" do

    before do
      expect(subject).to receive(:http_connection_for).with(cookbook_source).and_return(http_connection)
    end

    it "fetches the universe graph" do
      expect(http_connection).to receive(:get).with("/universe").and_return(universe_response_encoded)
      actual_universe = subject.universe_graph
      expect(actual_universe).to have_key("apt")
      expect(actual_universe["apt"]).to eq(pruned_universe["apt"])
      expect(subject.universe_graph).to eq(pruned_universe)
    end

    it "generates location options for a cookbook from the given graph" do
      expected_opts = {
        chef_server: "https://chef.example.com/organizations/example",
        http_client: http_connection,
        version: "4.2.3",
      }
      expect(subject.source_options_for("ohai", "4.2.3")).to eq(expected_opts)
    end
  end
end