require "minitest/autorun"
require "hoe"
require_relative "../lib/hoe/debug"
require "tmpdir"

class TestHoeDebug < Minitest::Test

  include Hoe::Debug

  # On Rake 0.8.7 verbose_flag is true, causing two tests to fail.
  RakeFileUtils.verbose_flag = nil

  attr_accessor :generated_files

  def setup
    super

    @generated_files = []
  end

  def assert_subprocess_silent
    out, err = capture_subprocess_io do
      yield
    end

    assert_equal "", out
    assert_equal "", err
  end

  def test_check_manifest
    in_tmpdir do
      manifest

      assert_subprocess_silent do
        check_manifest
      end
    end
  end

  def test_check_manifest_generated
    in_tmpdir do
      manifest "generated.rb"

      open "generated.rb", "w" do |io| io.puts "generated = true" end

      assert_subprocess_silent do
        check_manifest
      end
    end
  end

  def test_check_manifest_missing
    in_tmpdir do
      manifest

      open "missing.rb", "w" do |io| io.puts "missing = true" end

      e = nil

      out, err = capture_subprocess_io do
        e = assert_raises RuntimeError do
          check_manifest
        end
      end

      assert_match %r%^Command failed with status%, e.message
      assert_match %r%^\+missing.rb%, out
      assert_equal "", err
    end
  end

  def in_tmpdir
    old_LOAD_PATH = $LOAD_PATH.dup
    $LOAD_PATH.map! { |path| File.expand_path path }

    Dir.mktmpdir do |path|
      Dir.chdir path do
        yield
      end
    end
  ensure
    $LOAD_PATH.replace old_LOAD_PATH
  end

  def manifest extra = nil
    open "Manifest.txt", "w" do |io| # sorted
      io.puts "History.txt"
      io.puts "Manifest.txt"
      io.puts "README.txt"
      io.puts extra if extra
    end

    open "README.txt",  "w"  do |io| io.puts "= blah" end
    open "History.txt", "w"  do |io| io.puts "=== 1.0" end
  end

  def with_config
    yield({ "exclude" => /do not match anything/ }, "~/.hoerc")
  end
end
