require 'spec_helper'

describe Bundler::SourceList do
  before do
    allow(Bundler).to receive(:root) { Pathname.new '/' }
  end

  subject(:source_list) { Bundler::SourceList.new }

  let(:rubygems_aggregate) { Bundler::Source::Rubygems.new }

  describe "adding sources" do
    before do
      source_list.add_path_source('path' => '/existing/path/to/gem')
      source_list.add_git_source('uri' => 'git://existing-git.org/path.git')
      source_list.add_rubygems_source('remotes' => ['https://existing-rubygems.org'])
    end

    describe "#add_path_source" do
      before do
        @duplicate = source_list.add_path_source('path' => '/path/to/gem')
        @new_source = source_list.add_path_source('path' => '/path/to/gem')
      end

      it "returns the new path source" do
        expect(@new_source).to be_instance_of(Bundler::Source::Path)
      end

      it "passes the provided options to the new source" do
        expect(@new_source.options).to eq('path' => '/path/to/gem')
      end

      it "adds the source to the beginning of path_sources" do
        expect(source_list.path_sources.first).to equal(@new_source)
      end

      it "removes existing duplicates" do
        expect(source_list.path_sources).not_to include equal(@duplicate)
      end
    end

    describe "#add_git_source" do
      before do
        @duplicate = source_list.add_git_source('uri' => 'git://host/path.git')
        @new_source = source_list.add_git_source('uri' => 'git://host/path.git')
      end

      it "returns the new git source" do
        expect(@new_source).to be_instance_of(Bundler::Source::Git)
      end

      it "passes the provided options to the new source" do
        expect(@new_source.options).to eq('uri' => 'git://host/path.git')
      end

      it "adds the source to the beginning of git_sources" do
        expect(source_list.git_sources.first).to equal(@new_source)
      end

      it "removes existing duplicates" do
        expect(source_list.git_sources).not_to include equal(@duplicate)
      end
    end

    describe "#add_rubygems_source" do
      before do
        @duplicate = source_list.add_rubygems_source('remotes' => ['https://rubygems.org/'])
        @new_source = source_list.add_rubygems_source('remotes' => ['https://rubygems.org/'])
      end

      it "returns the new rubygems source" do
        expect(@new_source).to be_instance_of(Bundler::Source::Rubygems)
      end

      it "passes the provided options to the new source" do
        expect(@new_source.options).to eq('remotes' => ['https://rubygems.org/'])
      end

      it "adds the source to the beginning of rubygems_sources" do
        expect(source_list.rubygems_sources.first).to equal(@new_source)
      end

      it "removes duplicates" do
        expect(source_list.rubygems_sources).not_to include equal(@duplicate)
      end
    end

    describe "#add_rubygems_remote" do
      before do
        @returned_source = source_list.add_rubygems_remote('https://rubygems.org/')
      end

      it "returns the aggregate rubygems source" do
        expect(@returned_source).to be_instance_of(Bundler::Source::Rubygems)
      end

      it "adds the provided remote to the beginning of the aggregate source" do
        source_list.add_rubygems_remote('https://othersource.org')
        expect(@returned_source.remotes.first).to eq(URI('https://othersource.org/'))
      end
    end
  end

  describe "#all_sources" do
    it "includes the aggregate rubygems source when rubygems sources have been added" do
      source_list.add_git_source('uri' => 'git://host/path.git')
      source_list.add_rubygems_source('remotes' => ['https://rubygems.org'])
      source_list.add_path_source('path' => '/path/to/gem')

      expect(source_list.all_sources).to include rubygems_aggregate
    end

    it "includes the aggregate rubygems source when no rubygems sources have been added" do
      source_list.add_git_source('uri' => 'git://host/path.git')
      source_list.add_path_source('path' => '/path/to/gem')

      expect(source_list.all_sources).to include rubygems_aggregate
    end

    it "returns path sources before git sources before rubygems sources before the aggregate" do
      source_list.add_git_source('uri' => 'git://host/path.git')
      source_list.add_rubygems_source('remotes' => ['https://rubygems.org'])
      source_list.add_path_source('path' => '/path/to/gem')

      expect(source_list.all_sources).to eq [
        Bundler::Source::Path.new('path' => '/path/to/gem'),
        Bundler::Source::Git.new('uri' => 'git://host/path.git'),
        Bundler::Source::Rubygems.new('remotes' => ['https://rubygems.org']),
        rubygems_aggregate,
      ]
    end

    it "returns sources of the same type in the reverse order that they were added" do
      source_list.add_git_source('uri' => 'git://third-git.org/path.git')
      source_list.add_rubygems_source('remotes' => ['https://fifth-rubygems.org'])
      source_list.add_path_source('path' => '/third/path/to/gem')
      source_list.add_rubygems_source('remotes' => ['https://fourth-rubygems.org'])
      source_list.add_path_source('path' => '/second/path/to/gem')
      source_list.add_rubygems_source('remotes' => ['https://third-rubygems.org'])
      source_list.add_git_source('uri' => 'git://second-git.org/path.git')
      source_list.add_rubygems_source('remotes' => ['https://second-rubygems.org'])
      source_list.add_path_source('path' => '/first/path/to/gem')
      source_list.add_rubygems_source('remotes' => ['https://first-rubygems.org'])
      source_list.add_git_source('uri' => 'git://first-git.org/path.git')

      expect(source_list.all_sources).to eq [
        Bundler::Source::Path.new('path' => '/first/path/to/gem'),
        Bundler::Source::Path.new('path' => '/second/path/to/gem'),
        Bundler::Source::Path.new('path' => '/third/path/to/gem'),
        Bundler::Source::Git.new('uri' => 'git://first-git.org/path.git'),
        Bundler::Source::Git.new('uri' => 'git://second-git.org/path.git'),
        Bundler::Source::Git.new('uri' => 'git://third-git.org/path.git'),
        Bundler::Source::Rubygems.new('remotes' => ['https://first-rubygems.org']),
        Bundler::Source::Rubygems.new('remotes' => ['https://second-rubygems.org']),
        Bundler::Source::Rubygems.new('remotes' => ['https://third-rubygems.org']),
        Bundler::Source::Rubygems.new('remotes' => ['https://fourth-rubygems.org']),
        Bundler::Source::Rubygems.new('remotes' => ['https://fifth-rubygems.org']),
        rubygems_aggregate,
      ]
    end
  end

  describe "#path_sources" do
    it "returns an empty array when no path sources have been added" do
      source_list.add_rubygems_remote('https://rubygems.org')
      source_list.add_git_source('uri' => 'git://host/path.git')
      expect(source_list.path_sources).to be_empty
    end

    it "returns path sources in the reverse order that they were added" do
      source_list.add_git_source('uri' => 'git://third-git.org/path.git')
      source_list.add_rubygems_remote('https://fifth-rubygems.org')
      source_list.add_path_source('path' => '/third/path/to/gem')
      source_list.add_rubygems_remote('https://fourth-rubygems.org')
      source_list.add_path_source('path' => '/second/path/to/gem')
      source_list.add_rubygems_remote('https://third-rubygems.org')
      source_list.add_git_source('uri' => 'git://second-git.org/path.git')
      source_list.add_rubygems_remote('https://second-rubygems.org')
      source_list.add_path_source('path' => '/first/path/to/gem')
      source_list.add_rubygems_remote('https://first-rubygems.org')
      source_list.add_git_source('uri' => 'git://first-git.org/path.git')

      expect(source_list.path_sources).to eq [
        Bundler::Source::Path.new('path' => '/first/path/to/gem'),
        Bundler::Source::Path.new('path' => '/second/path/to/gem'),
        Bundler::Source::Path.new('path' => '/third/path/to/gem'),
      ]
    end
  end

  describe "#git_sources" do
    it "returns an empty array when no git sources have been added" do
      source_list.add_rubygems_remote('https://rubygems.org')
      source_list.add_path_source('path' => '/path/to/gem')

      expect(source_list.git_sources).to be_empty
    end

    it "returns git sources in the reverse order that they were added" do
      source_list.add_git_source('uri' => 'git://third-git.org/path.git')
      source_list.add_rubygems_remote('https://fifth-rubygems.org')
      source_list.add_path_source('path' => '/third/path/to/gem')
      source_list.add_rubygems_remote('https://fourth-rubygems.org')
      source_list.add_path_source('path' => '/second/path/to/gem')
      source_list.add_rubygems_remote('https://third-rubygems.org')
      source_list.add_git_source('uri' => 'git://second-git.org/path.git')
      source_list.add_rubygems_remote('https://second-rubygems.org')
      source_list.add_path_source('path' => '/first/path/to/gem')
      source_list.add_rubygems_remote('https://first-rubygems.org')
      source_list.add_git_source('uri' => 'git://first-git.org/path.git')

      expect(source_list.git_sources).to eq [
        Bundler::Source::Git.new('uri' => 'git://first-git.org/path.git'),
        Bundler::Source::Git.new('uri' => 'git://second-git.org/path.git'),
        Bundler::Source::Git.new('uri' => 'git://third-git.org/path.git'),
      ]
    end
  end

  describe "#rubygems_sources" do
    it "includes the aggregate rubygems source when rubygems sources have been added" do
      source_list.add_git_source('uri' => 'git://host/path.git')
      source_list.add_rubygems_source('remotes' => ['https://rubygems.org'])
      source_list.add_path_source('path' => '/path/to/gem')

      expect(source_list.rubygems_sources).to include rubygems_aggregate
    end

    it "returns only the aggregate rubygems source when no rubygems sources have been added" do
      source_list.add_git_source('uri' => 'git://host/path.git')
      source_list.add_path_source('path' => '/path/to/gem')

      expect(source_list.rubygems_sources).to eq [rubygems_aggregate]
    end

    it "returns rubygems sources in the reverse order that they were added" do
      source_list.add_git_source('uri' => 'git://third-git.org/path.git')
      source_list.add_rubygems_source('remotes' => ['https://fifth-rubygems.org'])
      source_list.add_path_source('path' => '/third/path/to/gem')
      source_list.add_rubygems_source('remotes' => ['https://fourth-rubygems.org'])
      source_list.add_path_source('path' => '/second/path/to/gem')
      source_list.add_rubygems_source('remotes' => ['https://third-rubygems.org'])
      source_list.add_git_source('uri' => 'git://second-git.org/path.git')
      source_list.add_rubygems_source('remotes' => ['https://second-rubygems.org'])
      source_list.add_path_source('path' => '/first/path/to/gem')
      source_list.add_rubygems_source('remotes' => ['https://first-rubygems.org'])
      source_list.add_git_source('uri' => 'git://first-git.org/path.git')

      expect(source_list.rubygems_sources).to eq [
        Bundler::Source::Rubygems.new('remotes' => ['https://first-rubygems.org']),
        Bundler::Source::Rubygems.new('remotes' => ['https://second-rubygems.org']),
        Bundler::Source::Rubygems.new('remotes' => ['https://third-rubygems.org']),
        Bundler::Source::Rubygems.new('remotes' => ['https://fourth-rubygems.org']),
        Bundler::Source::Rubygems.new('remotes' => ['https://fifth-rubygems.org']),
        rubygems_aggregate,
      ]
    end
  end

  describe "#get" do
    context "when it includes an equal source" do
      let(:rubygems_source) { Bundler::Source::Rubygems.new('remotes' => ['https://rubygems.org']) }
      before { @equal_source = source_list.add_rubygems_remote('https://rubygems.org') }

      it "returns the equal source" do
        expect(source_list.get(rubygems_source)).to be @equal_source
      end
    end

    context "when it does not include an equal source" do
      let(:path_source) { Bundler::Source::Path.new('path' => '/path/to/gem') }

      it "returns nil" do
        expect(source_list.get(path_source)).to be_nil
      end
    end
  end

  describe "#lock_sources" do
    it "combines the rubygems sources into a single instance, removing duplicate remotes from the front" do
      source_list.add_git_source('uri' => 'git://third-git.org/path.git')
      source_list.add_rubygems_source('remotes' => ['https://fourth-rubygems.org']) # intentional duplicate
      source_list.add_path_source('path' => '/third/path/to/gem')
      source_list.add_rubygems_source('remotes' => ['https://first-rubygems.org'])
      source_list.add_path_source('path' => '/second/path/to/gem')
      source_list.add_rubygems_source('remotes' => ['https://second-rubygems.org'])
      source_list.add_git_source('uri' => 'git://second-git.org/path.git')
      source_list.add_rubygems_source('remotes' => ['https://third-rubygems.org'])
      source_list.add_path_source('path' => '/first/path/to/gem')
      source_list.add_rubygems_source('remotes' => ['https://fourth-rubygems.org'])
      source_list.add_git_source('uri' => 'git://first-git.org/path.git')

      expect(source_list.lock_sources).to eq [
        Bundler::Source::Git.new('uri' => 'git://first-git.org/path.git'),
        Bundler::Source::Git.new('uri' => 'git://second-git.org/path.git'),
        Bundler::Source::Git.new('uri' => 'git://third-git.org/path.git'),
        Bundler::Source::Path.new('path' => '/first/path/to/gem'),
        Bundler::Source::Path.new('path' => '/second/path/to/gem'),
        Bundler::Source::Path.new('path' => '/third/path/to/gem'),
        Bundler::Source::Rubygems.new('remotes' => [
          'https://first-rubygems.org',
          'https://second-rubygems.org',
          'https://third-rubygems.org',
          'https://fourth-rubygems.org',
        ]),
      ]
    end
  end

  describe "replace_sources!" do
    let(:existing_locked_source) { Bundler::Source::Path.new('path' => '/existing/path') }
    let(:removed_locked_source)  { Bundler::Source::Path.new('path' => '/removed/path') }

    let(:locked_sources) { [existing_locked_source, removed_locked_source] }

    before do
      @existing_source = source_list.add_path_source('path' => '/existing/path')
      @new_source = source_list.add_path_source('path' => '/new/path')
      source_list.replace_sources!(locked_sources)
    end

    it "maintains the order and number of sources" do
      expect(source_list.path_sources).to eq [@new_source, @existing_source]
    end

    it "retains the same instance of the new source" do
      expect(source_list.path_sources[0]).to be @new_source
    end

    it "replaces the instance of the existing source" do
      expect(source_list.path_sources[1]).to be existing_locked_source
    end
  end

  describe "#cached!" do
    let(:rubygems_source) { source_list.add_rubygems_remote('https://rubygems.org') }
    let(:git_source)      { source_list.add_git_source('uri' => 'git://host/path.git') }
    let(:path_source)     { source_list.add_path_source('path' => '/path/to/gem') }

    it "calls #cached! on all the sources" do
      expect(rubygems_source).to receive(:cached!)
      expect(git_source).to receive(:cached!)
      expect(path_source).to receive(:cached!)
      source_list.cached!
    end
  end

  describe "#remote!" do
    let(:rubygems_source) { source_list.add_rubygems_remote('https://rubygems.org') }
    let(:git_source)      { source_list.add_git_source('uri' => 'git://host/path.git') }
    let(:path_source)     { source_list.add_path_source('path' => '/path/to/gem') }

    it "calls #remote! on all the sources" do
      expect(rubygems_source).to receive(:remote!)
      expect(git_source).to receive(:remote!)
      expect(path_source).to receive(:remote!)
      source_list.remote!
    end
  end

end