#TODO get 'spec' into $LOAD by minispec-maven-plugin
load File.expand_path(File.join('spec', 'setup.rb'))
require 'jbundler/classpath_file'
require 'maven/tools/jarfile'
require 'jbundler/gemfile_lock'

describe JBundler::ClasspathFile do

  let(:workdir) { File.join('target', 'tmp') }
  let(:jfile) { File.join(workdir, 'jarfile') }
  let(:gfile_lock) { File.join(workdir, 'gemfile.lock') }
  let(:jfile_lock) { jfile + ".lock"}
  let(:cpfile) { File.join(workdir, 'cp.rb') }
  let(:jarfile) { Maven::Tools::Jarfile.new(jfile) }
  let(:gemfile_lock) { JBundler::GemfileLock.new(jarfile, gfile_lock) }
  subject { JBundler::ClasspathFile.new(cpfile) }

  before do
    FileUtils.mkdir_p(workdir)
    Dir[File.join(workdir, '*')].each { |f| FileUtils.rm_f f }
  end

  it 'needs no update when all files are missing' do
    subject.needs_update?(jarfile, gemfile_lock).must_equal false
  end

  it 'needs update when only gemfile' do
    FileUtils.touch gfile_lock
    subject.needs_update?(jarfile, gemfile_lock).must_equal true
  end

  it 'needs update when only jarfile' do
    FileUtils.touch jfile
    subject.needs_update?(jarfile, gemfile_lock).must_equal true
  end

  it 'needs update when jarfilelock is missing' do
    FileUtils.touch gfile_lock
    FileUtils.touch jfile
    FileUtils.touch cpfile
    subject.needs_update?(jarfile, gemfile_lock).must_equal true
  end

  it 'needs no update when classpath file is the youngest' do
    FileUtils.touch jfile
    FileUtils.touch jfile_lock
    FileUtils.touch cpfile
    subject.needs_update?(jarfile, gemfile_lock).must_equal false
  end

  it 'needs update when jar file is the youngest' do
    FileUtils.touch gfile_lock
    FileUtils.touch jfile_lock
    FileUtils.touch cpfile
    sleep 1
    FileUtils.touch jfile
    subject.needs_update?(jarfile, gemfile_lock).must_equal true
  end

  it 'needs update when jar lockfile is the youngest' do
    FileUtils.touch gfile_lock
    FileUtils.touch jfile
    FileUtils.touch cpfile
    sleep 1
    FileUtils.touch jfile_lock
    subject.needs_update?(jarfile, gemfile_lock).must_equal true
  end

  it 'needs update when gem lockfile is the youngest' do
    FileUtils.touch jfile
    FileUtils.touch cpfile
    FileUtils.touch jfile_lock
    sleep 1
    FileUtils.touch gfile_lock
    subject.needs_update?(jarfile, gemfile_lock).must_equal true
  end

  it 'generates a classpath ruby file' do
    subject.generate("a:b:c:d:f:".split(File::PATH_SEPARATOR))
    File.read(cpfile).must_equal <<-EOF
JBUNDLER_CLASSPATH = []
JBUNDLER_CLASSPATH << 'a'
JBUNDLER_CLASSPATH << 'b'
JBUNDLER_CLASSPATH << 'c'
JBUNDLER_CLASSPATH << 'd'
JBUNDLER_CLASSPATH << 'f'
JBUNDLER_CLASSPATH.freeze
JBUNDLER_CLASSPATH.each { |c| require c }
EOF
  end
end