require 'test_helper'
require 'pathname'

class Juwelier
  module Commands
    class TestReleaseGemspec < Test::Unit::TestCase

      rubyforge_command_context "running" do
        context "happily" do
          setup do
            stub(@command).clean_staging_area? { true }

            stub(@repo).checkout(anything)

            stub(@command).regenerate_gemspec!

            stub(@command).gemspec_changed? { true }
            stub(@command).commit_gemspec! { true }

            stub(@repo).push

            stub(@command).release_not_tagged? { true }

            @command.run
          end

          should "checkout master" do
            assert_received(@repo) {|repo| repo.checkout('master') }
          end

          should "regenerate gemspec" do
            assert_received(@command) {|command| command.regenerate_gemspec! }
          end

          should "commit gemspec" do
            assert_received(@command) {|command| command.commit_gemspec! }
          end

          should "push" do
            assert_received(@repo) {|repo| repo.push('origin', 'master:master') }
          end

        end

        context "happily with different remote, local branch and remote branch" do
          setup do
            stub(@command).clean_staging_area? { true }

            stub(@repo).checkout(anything)

            stub(@command).regenerate_gemspec!

            stub(@command).gemspec_changed? { true }
            stub(@command).commit_gemspec! { true }

            stub(@repo).push

            stub(@command).release_not_tagged? { true }

            @command.run({:remote => 'upstream', :local_branch => 'branch', :remote_branch => 'remote_branch'})
          end

          should "checkout local branch" do
            assert_received(@repo) {|repo| repo.checkout('branch') }
          end

          should "regenerate gemspec" do
            assert_received(@command) {|command| command.regenerate_gemspec! }
          end

          should "commit gemspec" do
            assert_received(@command) {|command| command.commit_gemspec! }
          end

          should "push" do
            assert_received(@repo) {|repo| repo.push('upstream', 'branch:remote_branch') }
          end

        end

        context "happily with different branch" do
          setup do
            stub(@command).clean_staging_area? { true }

            stub(@repo).checkout(anything)

            stub(@command).regenerate_gemspec!

            stub(@command).gemspec_changed? { true }
            stub(@command).commit_gemspec! { true }

            stub(@repo).push

            stub(@command).release_not_tagged? { true }

            @command.run({:branch => 'v3'})
          end

          should "checkout local branch" do
            assert_received(@repo) {|repo| repo.checkout('v3') }
          end

          should "regenerate gemspec" do
            assert_received(@command) {|command| command.regenerate_gemspec! }
          end

          should "commit gemspec" do
            assert_received(@command) {|command| command.commit_gemspec! }
          end

          should "push" do
            assert_received(@repo) {|repo| repo.push('origin', 'v3:v3') }
          end
        end

        context "with an unclean staging area" do
          setup do
            stub(@command).clean_staging_area? { false }
            stub(@command).system
          end

          should 'raise error' do
            assert_raises RuntimeError do
              @command.run
            end
          end

          should 'display git status' do
            @command.run rescue nil
            assert_received(@command) {|command| command.system("git status") }
          end
        end

        context "with an unchanged gemspec" do
          setup do
            stub(@command).clean_staging_area? { true }

            stub(@repo).checkout(anything)

            stub(@command).regenerate_gemspec!

            stub(@command).gemspec_changed? { false }
            dont_allow(@command).commit_gemspec! { true }

            stub(@repo).push

            stub(@command).release_not_tagged? { true }

            @command.run
          end

          should "checkout master" do
            assert_received(@repo) {|repo| repo.checkout('master') }
          end

          should "regenerate gemspec" do
            assert_received(@command) {|command| command.regenerate_gemspec! }
          end

          should "push" do
            assert_received(@repo) {|repo| repo.push('origin', 'master:master') }
          end

        end

        context "with a release already tagged" do
          setup do
            stub(@command).clean_staging_area? { true }

            stub(@repo).checkout(anything)

            stub(@command).regenerate_gemspec!

            stub(@command).gemspec_changed? { true }
            stub(@command).commit_gemspec! { true }

            stub(@repo).push

            stub(@command).release_not_tagged? { false }

            @command.run
          end

          should "checkout master" do
            assert_received(@repo) {|repo| repo.checkout('master') }
          end

          should "regenerate gemspec" do
            assert_received(@command) {|command| command.regenerate_gemspec! }
          end

          should "commit gemspec" do
            assert_received(@command) {|command| command.commit_gemspec! }
          end

          should "push" do
            assert_received(@repo) {|repo| repo.push('origin', 'master:master') }
          end

        end

      end


      build_command_context "building from juwelier" do
        setup do
          @command = Juwelier::Commands::ReleaseGemspec.build_for(@juwelier)
        end

        should "assign gemspec" do
          assert_same @gemspec, @command.gemspec
        end

        should "assign version" do
          assert_same @version, @command.version
        end

        should "assign repo" do
          assert_same @repo, @command.repo
        end

        should "assign output" do
          assert_same @output, @command.output
        end

        should "assign gemspec_helper" do
          assert_same @gemspec_helper, @command.gemspec_helper
        end

        should "assign base_dir" do
          assert_same @base_dir, @command.base_dir
        end
      end

      # FIXME this code had its ruby-git stuff replaced with `` and system, which is much harder to test, so re-enable these someday
      #context "clean_staging_area?" do

      #  should "be false if there added files" do
      #    repo = build_repo :added => %w(README)

      #    command = Juwelier::Commands::ReleaseGemspec.new :repo => repo

      #    assert ! command.clean_staging_area?
      #  end

      #  should "be false if there are changed files" do
      #    repo = build_repo :changed => %w(README)

      #    command = Juwelier::Commands::ReleaseGemspec.new
      #    command.repo = repo

      #    assert ! command.clean_staging_area?
      #  end

      #  should "be false if there are deleted files" do
      #    repo = build_repo :deleted => %w(README)

      #    command = Juwelier::Commands::ReleaseGemspec.new
      #    command.repo = repo

      #    assert ! command.clean_staging_area?
      #  end

      #  should "be true if nothing added, changed, or deleted" do
      #    repo = build_repo

      #    command = Juwelier::Commands::ReleaseGemspec.new
      #    command.repo = repo

      #    assert command.clean_staging_area?
      #  end
      #end

      context "regenerate_gemspec!" do
        setup do
          @repo = Object.new
          stub(@repo) do
            add(anything)
            commit(anything)
          end

          @gemspec_helper = Object.new
          stub(@gemspec_helper) do
            write
            path {'zomg.gemspec'}
            update_version('1.2.3')
          end

          @output = StringIO.new

          @command                = Juwelier::Commands::ReleaseGemspec.new :output => @output,
                                                                   :repo => @repo,
                                                                   :gemspec_helper => @gemspec_helper,
                                                                   :version => '1.2.3'

          @command.regenerate_gemspec!
        end

        should "refresh gemspec version" do
          assert_received(@gemspec_helper) {|gemspec_helper| gemspec_helper.update_version('1.2.3') }
        end

        should "write gemspec" do
          assert_received(@gemspec_helper) {|gemspec_helper| gemspec_helper.write }
        end
      end

      context "commit_gemspec!" do
        setup do
          @repo = Object.new
          stub(@repo) do
            add(anything)
            commit(anything)
          end

          @gemspec_helper = Object.new
          stub(@gemspec_helper) do
            path {'zomg.gemspec'}
            update_version('1.2.3')
          end

          @output = StringIO.new

          @command                = Juwelier::Commands::ReleaseGemspec.new :output => @output,
                                                                   :repo => @repo,
                                                                   :gemspec_helper => @gemspec_helper,
                                                                   :version => '1.2.3'

          stub(@command).working_subdir { Pathname.new(".") }
          @command.commit_gemspec!
        end

        should "add gemspec to repository" do
          assert_received(@repo) {|repo| repo.add('zomg.gemspec') }
        end

        should "commit with commit message including version" do
          assert_received(@repo) {|repo| repo.commit("Regenerate gemspec for version 1.2.3") }
        end

      end

      context "commit_gemspec! in top dir" do
        setup do
          @repo = Object.new

          stub(@repo) do
            add(anything)
            commit(anything)
          end

          @gemspec_helper = Object.new
          stub(@gemspec_helper) do
            path {'zomg.gemspec'}
            update_version('1.2.3')
          end

          @output = StringIO.new

          @command = Juwelier::Commands::ReleaseGemspec.new :output => @output,
            :repo => @repo,
            :gemspec_helper => @gemspec_helper,
            :version => '1.2.3',
            :base_dir => '.'

          @dir = Object.new
          stub(@repo).dir { @dir }
          stub(@dir).path { "/x/y/z" }

          stub(@command).base_dir_path { Pathname.new("/x/y/z") }

          @command.commit_gemspec!
        end

        should "add gemspec to repository" do
          assert_received(@repo) {|repo| repo.add('zomg.gemspec') }
        end
      end

      context "commit_gemspec! in sub dir" do
        setup do
          @repo = Object.new

          stub(@repo) do
            add(anything)
            commit(anything)
          end

          @gemspec_helper = Object.new
          stub(@gemspec_helper) do
            path {'zomg.gemspec'}
            update_version('1.2.3')
          end

          @output = StringIO.new

          @command = Juwelier::Commands::ReleaseGemspec.new :output => @output,
            :repo => @repo,
            :gemspec_helper => @gemspec_helper,
            :version => '1.2.3',
            :base_dir => '.'

          @dir = Object.new
          stub(@repo).dir { @dir }
          stub(@dir).path { "/x/y/z" }

          stub(@command).base_dir_path { Pathname.new("/x/y/z/gem") }

          @command.commit_gemspec!
        end

        should "add gemspec to repository" do
          assert_received(@repo) {|repo| repo.add('gem/zomg.gemspec') }
        end
      end

      context "release_tagged? when no tag exists" do
        setup do
          @repo = Object.new
          stub(@repo).tag('v1.2.3') { raise Git::GitTagNameDoesNotExist, tag }

          @output = StringIO.new

          @command                = Juwelier::Commands::ReleaseGemspec.new
          @command.output         = @output
          @command.repo           = @repo
          @command.version        = '1.2.3'
        end

        should_eventually "be true" do
          assert @command.release_not_tagged?
        end

      end

      context "release_tagged? when tag exists" do
        setup do
          @repo = Object.new
          stub(@repo) do
            tag('v1.2.3') { Object.new }
          end

          @output = StringIO.new

          @command                = Juwelier::Commands::ReleaseGemspec.new
          @command.output         = @output
          @command.repo           = @repo
          @command.version        = '1.2.3'
        end

        should_eventually "be false" do
          assert @command.release_not_tagged?
        end

      end

      def build_repo(options = {})
        status = build_status options
        repo = Object.new
        stub(repo).status { status }
        repo
      end

      def build_status(options = {})
        options = {:added => [], :deleted => [], :changed => []}.merge(options)

        status = Object.new
        stub(status) do
          added { options[:added] }
          deleted { options[:deleted] }
          changed { options[:changed] }
        end

      end
    end
  end
end