# Copyright (C) 2011-2012 RightScale, Inc, All Rights Reserved Worldwide.
#
# THIS PROGRAM IS CONFIDENTIAL AND PROPRIETARY TO RIGHTSCALE
# AND CONSTITUTES A VALUABLE TRADE SECRET. Any unauthorized use,
# reproduction, modification, or disclosure of this program is
# strictly prohibited. Any use of this program by an authorized
# licensee is strictly subject to the terms and conditions,
# including confidentiality obligations, set forth in the applicable
# License Agreement between RightScale.com, Inc. and
# the licensee

require File.expand_path(File.join(File.dirname(__FILE__), '..', 'spec_helper'))

describe RightConf::RubyConfigurator do

  def success_result(output=nil)
    flexmock('res', :success? => true, :output => output)
  end

  def failure_result(output=nil)
    flexmock('res', :success? => false, :output => output)
  end

  before(:each) do
    @configurator = create_configurator('ruby { version "42" }')
  end

  it 'should abort if rvm is present' do
    should_execute('rvm').once.and_return(success_result)
    expect { @configurator.run_linux }.to raise_error
  end

  context "with rbenv installed" do
    before(:each) do
      should_execute('rvm').once.and_return(failure_result)
      flexmock(File).should_receive(:exist?).with(File.join(ENV['HOME'], '.rbenv', 'bin', 'rbenv')).and_return(true)
      should_execute('rbenv', 'local', '42').and_return(success_result)
      should_execute('which', 'ruby').and_return(success_result(File.join(ENV['HOME'], '.rbenv', 'shims', 'ruby')))
    end

    it 'should succeed' do
      should_execute('rbenv').once.and_return(success_result('rbenv 0.4.0'))
      @configurator.run_linux
    end

    it 'should check rbenv version' do
      should_execute('rbenv').once.and_return(success_result('rbenv 0.3.0'))
      expect { @configurator.run_linux }.to raise_error
    end

  end

  context "without rbenv installed" do
    before(:each) do
      should_execute("git", "--version").once.and_return(success_result)
      should_execute("git", "clone", "git://github.com/sstephenson/rbenv.git", "#{ENV['HOME']}/.rbenv", {:abort_on_failure=>"Git clone of rbnev failed - server down?"}).once.and_return(success_result)
      should_execute("git", "clone", "git://github.com/sstephenson/ruby-build.git", "#{ENV['HOME']}/.rbenv/plugins/ruby-build", {:abort_on_failure=>"Git clone of ruby-build failed - server down?"}).once.and_return(success_result)

      should_execute('rvm').once.and_return(failure_result)
      should_execute('rbenv').once.and_return(failure_result)
      flexmock(File).should_receive(:exist?).with(File.join(ENV['HOME'], '.rbenv', 'bin', 'rbenv')).and_return(false)

      flexmock(FileUtils).should_receive(:cp).with(/.*\/patches\/ree-1.8.7-2012.02-rs-custom/, "#{ENV['HOME']}/.rbenv/plugins/ruby-build/share/ruby-build/ree-1.8.7-2012.02").and_return(true)
      flexmock(FileUtils).should_receive(:mkdir_p).with("#{ENV['HOME']}/.rbenv/plugins/ruby-build").and_return(true)
      flexmock(Kernel).should_receive(:system).and_return(true)
      should_execute('which', 'ruby').and_return(success_result(File.join(ENV['HOME'], '.rbenv', 'shims', 'ruby')))
    end

    it 'should install rbenv and ruby-build' do
      should_execute('rbenv', 'local', '42').and_return(success_result)
      @configurator.run_linux
    end

    it 'should install ruby if needed' do
      flexmock(RightConf::Platform).should_receive(:dispatch).with(Proc)
      should_execute('rbenv', 'local', '42').and_return(failure_result)
      flexmock(RightConf::Platform).should_receive(:dispatch).with('42', Proc)
      should_execute('rbenv', 'local', '42').and_return(success_result)
      @configurator.run_linux
    end
  end

end