require 'test_helper'

module Gemdiff
  class CLITest < MiniTest::Spec
    before do
      @cli = CLI.new
    end

    describe "#find" do
      it "finds" do
        mock_gem "haml"
        @cli.expects(:puts).with("http://github.com/haml/haml")
        @cli.find "haml"
      end

      it "does not find" do
        mock_missing_gem
        @cli.expects(:puts).with("Could not find github repository for notfound.")
        @cli.find "notfound"
      end
    end

    describe "#open" do
      it "opens repo" do
        gem = mock_gem("haml")
        @cli.expects(:puts).with("http://github.com/haml/haml")
        gem.expects :open
        @cli.open "haml"
      end
    end

    describe "#releases" do
      it "opens releases page" do
        gem = mock_gem("haml")
        @cli.expects(:puts).with("http://github.com/haml/haml")
        gem.expects :releases
        @cli.releases "haml"
      end
    end

    describe "#master" do
      it "opens commits page" do
        gem = mock_gem("haml")
        @cli.expects(:puts).with("http://github.com/haml/haml")
        gem.expects :master
        @cli.master "haml"
      end
    end

    describe "#compare" do
      it "opens compare view using bundle" do
        gem = mock_gem("haml")
        @cli.expects(:puts).with("http://github.com/haml/haml")
        gem.expects(:set_versions).with(nil, nil)
        gem.expects(:missing_versions?).returns(true)
        @cli.expects(:puts).with(CLI::CHECKING_FOR_OUTDATED)
        gem.expects(:load_bundle_versions).returns(true)
        gem.expects(:compare_message).returns("compare message")
        @cli.expects(:puts).with("compare message")
        gem.expects :compare
        @cli.compare "haml"
      end

      it "opens compare view with versions" do
        gem = mock_gem("haml")
        @cli.expects(:puts).with("http://github.com/haml/haml")
        gem.expects(:set_versions).with("4.0.4", "4.0.5")
        gem.expects(:missing_versions?).returns(false)
        gem.expects(:compare_message).returns("compare message")
        @cli.expects(:puts).with("compare message")
        gem.expects :compare
        @cli.compare "haml", "4.0.4", "4.0.5"
      end

      it "returns when the gem is not found" do
        mock_missing_gem
        @cli.expects(:puts).with("Could not find github repository for notfound.")
        @cli.compare "notfound"
      end
    end

    describe "#outdated" do
      it "does nothing when nothing to update" do
        mock_inspector = mock do
          stubs list: []
          stubs outdated: ""
        end
        BundleInspector.stubs new: mock_inspector
        @cli.expects(:puts).with(CLI::CHECKING_FOR_OUTDATED)
        @cli.expects(:puts).with("")
        @cli.outdated
      end

      it "compares outdated gems with responses of y" do
        gem = OutdatedGem.new("haml", "4.0.4", "4.0.5")
        mock_inspector = mock do
          stubs list: [gem]
          stubs outdated: "outdated"
        end
        BundleInspector.stubs new: mock_inspector
        @cli.stubs ask: 'y'
        @cli.expects(:puts).with(CLI::CHECKING_FOR_OUTDATED)
        @cli.expects(:puts).with("outdated")
        @cli.expects(:puts).with("haml: 4.0.5 > 4.0.4")
        gem.expects :compare
        @cli.outdated
      end

      it "skips outdated gems without responses of y" do
        gem = OutdatedGem.new("haml", "4.0.4", "4.0.5")
        mock_inspector = mock do
          stubs list: [gem]
          stubs outdated: "outdated"
        end
        BundleInspector.stubs new: mock_inspector
        @cli.stubs ask: ''
        @cli.expects(:puts).with(CLI::CHECKING_FOR_OUTDATED)
        @cli.expects(:puts).with("outdated")
        @cli.expects(:puts).with("haml: 4.0.5 > 4.0.4")
        gem.expects(:compare).never
        @cli.outdated
      end
    end

    describe "#update" do
      before do
        @mock_gem = mock do
          stubs clean?: true
          stubs diff: "le diff"
          stubs show: "le show"
        end
        GemUpdater.stubs new: @mock_gem
      end

      it "updates the gem and returns with no response" do
        @cli.stubs ask: ''
        @cli.expects(:puts).with("Updating haml...")
        @mock_gem.expects :update
        @cli.expects(:puts).with("le diff")
        @cli.update "haml"
      end

      it "updates the gem and commits with responses of c" do
        @cli.stubs ask: 'c'
        @cli.expects(:puts).with("Updating haml...")
        @mock_gem.expects :update
        @cli.expects(:puts).with("le diff")
        @mock_gem.expects :commit
        @cli.expects(:puts).with("\nle show")
        @cli.update "haml"
      end

      it "updates the gem and resets with responses of r" do
        @cli.stubs ask: 'r'
        @cli.expects(:puts).with("Updating haml...")
        @mock_gem.expects :update
        @cli.expects(:puts).with("le diff")
        @mock_gem.expects(:reset).returns("le reset")
        @cli.expects(:puts).with("le reset")
        @cli.update "haml"
      end
    end

  private

    def mock_gem(name)
      gem = mock do
        stubs repo?: true
        stubs repo: "http://github.com/#{name}/#{name}"
      end
      OutdatedGem.stubs new: gem
      gem
    end

    def mock_missing_gem
      gem = mock { stubs repo?: false }
      OutdatedGem.stubs new: gem
      gem
    end
  end
end