# encoding: utf-8
require 'spec_helper'

describe Command do
  let(:git_repo) { 'git_repo' }

  context '#init' do
    it 'creates a new repository' do
      switch_to_working_directory do
        Command.init(git_repo)
      end

      expect(path_exists?(git_repo)).to be_true
    end
  end

  context '#add' do
    it 'add dir/file to repository' do
      git_init(git_repo)
      create_file(File.join(git_repo, 'file.txt'))

      Dir.chdir(::File.join(working_directory, git_repo)) do
        Command.add('file.txt')
      end

      expect(git_status(git_repo)).to include("\tnew file:   file.txt")
    end
  end

  context '#commit' do
    it 'commit dir/file to repository' do

      git_init(git_repo)

      create_file(File.join(git_repo, 'file.txt'))

      git_add(git_repo, 'file.txt')

      Dir.chdir(::File.join(working_directory, git_repo)) do
        Command.commit('file.txt')
      end

      expect(git_status(git_repo)).to include('nothing to commit, working directory clean')
    end
  end

  context '#show' do
    it 'show ref/sha in repository' do
      git_init(git_repo)
      create_file(File.join(git_repo, 'file.txt'))
      git_add(git_repo, 'file.txt')
      git_commit(git_repo)

      Dir.chdir(::File.join(working_directory, git_repo)) do
        expect(Command.show.first).to include('commit')
      end
    end
  end

  context '#diff_tree' do
    it 'diff values' do
      git_init(git_repo)

      create_file(File.join(git_repo, 'file.txt'))
      create_file(File.join(git_repo, 'file1.txt'))
      create_file(File.join(git_repo, 'file2.txt'))

      git_add(git_repo, 'file.txt')
      git_add(git_repo, 'file1.txt')
      git_add(git_repo, 'file2.txt')

      git_commit(git_repo)

      commit = git_show(git_repo, nil).first.split(" ")[1]

      Dir.chdir(::File.join(working_directory, git_repo)) do
        expect(Command.diff_tree(commit).last).to include('file2.txt')
      end
    end
  end

  context '#diff' do
    it 'diff values' do
      git_init(git_repo)

      create_file(File.join(git_repo, 'file.txt'))
      git_add(git_repo, 'file.txt')
      git_commit(git_repo)

      create_file(File.join(git_repo, 'file1.txt'))
      create_file(File.join(git_repo, 'file2.txt'))
      git_add(git_repo, 'file1.txt')
      git_add(git_repo, 'file2.txt')

      git_commit(git_repo)

      commit = git_show(git_repo, nil).first.split(" ")[1]

      Dir.chdir(::File.join(working_directory, git_repo)) do
        expect(Command.diff(commit,"#{commit}^").last).to include('file2.txt')
      end
    end
  end
end