require 'spec_helper' describe Berkshelf::API::DependencyCache do describe "ClassMethods" do describe "::from_file" do let(:filepath) { @tempfile.path } before { @tempfile = Tempfile.new('berkshelf-api-rspec') } after { @tempfile.close(true) } subject { described_class.from_file(filepath) } context "when the file contains valid json" do before do @tempfile.write(JSON.generate({brooke: "winsor"})) @tempfile.flush end it "returns an instance of DependencyCache" do expect(subject).to be_a(described_class) end end context "when the filepath does not exist" do let(:filepath) { nil } it "raises a SaveNotFoundError" do expect { subject }.to raise_error(Berkshelf::API::SaveNotFoundError) end end context "when the file does not contain valid JSON" do let(:filepath) { @tempfile.path } before do @tempfile.write("asdfasdfasdf") @tempfile.flush end it "raises an InvalidSaveError" do expect { subject }.to raise_error(Berkshelf::API::InvalidSaveError) end end end end let(:chicken) do { "1.0" => { dependencies: { "tuna" => "= 3.0.0" }, platforms: { "centos" => ">= 0.0.0" } } } end let(:tuna) do { "3.0.0" => { dependencies: { }, platforms: { "centos" => ">= 0.0.0" } } } end let(:contents) do { "chicken" => chicken, "tuna" => tuna, } end subject { described_class.new(contents) } describe "#cookbooks" do it "should return a list of RemoteCookbooks" do expected_value = [ Berkshelf::API::RemoteCookbook.new("chicken", "1.0"), Berkshelf::API::RemoteCookbook.new("tuna", "3.0.0") ] expect(subject.cookbooks).to eql(expected_value) end end describe "#add" do let(:cookbook) { Berkshelf::API::RemoteCookbook.new("ruby", "1.2.3", "opscode") } before { subject.clear } it "adds items to the cache" do subject.add(cookbook, double(platforms: nil, dependencies: nil)) expect(subject.to_hash).to have(1).item end end describe "#save" do let(:path) { tmp_path.join('cerch.json') } it "saves the contents of the cache as json to the given path" do subject.save(path) expect(File.exist?(path)).to be_true end end describe "#clear" do let(:cookbook) { Berkshelf::API::RemoteCookbook.new("ruby", "1.2.3", "opscode") } before { subject.add(cookbook, double(platforms: nil, dependencies: nil)) } it "empties items added to the cache" do subject.clear expect(subject).to be_empty end end end