# -*- coding: utf-8 -*-
require File.join(File.dirname(__FILE__), '..', '..', 'spec_helper')

describe DirTreeWalker do

  it 'should accept option :ignore with regex' do
    walker = DirTreeWalker.new :ignore => /^\./
    walker.ignore_file?('.thumbnails').should be_true
    walker.ignore_dir?('.thumbnails').should be_true
  end

  it 'should accept option :ignore with string' do
    walker = DirTreeWalker.new :ignore => '.git'
    walker.ignore_file?('.git').should be_true
    walker.ignore_dir?('.git').should be_true
  end

  it 'should accept option :ignore_dir' do
    dtw = DirTreeWalker.new :ignore_dir => [/^\./, "private_dir" ]
    dtw.should be_ignore_dir ".git"
    dtw.should be_ignore_dir "private_dir"
  end

  it "should accept option :ignore_file" do
    dtw = DirTreeWalker.new :ignore_file => [/.xml/, /(ignore)|(orig)/ ]
    dtw.should be_ignore_file "pippo.xml"
  end

  it 'should accept option :match' do
    dtw = DirTreeWalker.new :match => /.jpg/
    dtw.should be_match 'foo.jpg'
  end

  it "should ignore files and directory" do
    walker = DirTreeWalker.new(".")

    walker.ignore(/^\./)
    walker.ignore_file?(".thumbnails").should be_true
    walker.ignore_dir?(".thumbnails").should be_true

    walker.ignore_dir("thumbnails")
    walker.ignore_dir?(".thumbnails").should be_true
    walker.ignore_dir?("thumbnails").should be_true
    walker.ignore_dir?("pippo").should be_false

    walker.ignore_file("xvpics")
    walker.ignore_file?("xvpics").should be_true

    walker.ignore("sub")
    walker.ignore_file?("[Dsube]").should be_false
    walker.ignore_dir?("[Dsube]").should be_false
  end

  it "should accumulate file names" do
    dir_tree_walker = DirTreeWalker.new(File.join(FIXTURES, "test_dir_1"))

    accumulator     = []
    visitor         = BlockTreeNodeVisitor.new { |pathname| accumulator << File.basename(pathname) }
    dir_tree_walker.run(visitor)
    accumulator.length.should == 9
    accumulator.sort.should == %w{ test_dir_1 dir.1 dir.1.2 file.1.2.1 file.1.1 dir.2 file.2.1 .dir_with_dot dummy.txt }.sort
  end

  it "should accumulate file names 2" do
    dir_tree_walker = DirTreeWalker.new(File.join(FIXTURES, "test_dir_2"))
    dir_tree_walker.ignore("sub")

    accumulator = []
    visitor     = BlockTreeNodeVisitor.new { |pathname| accumulator << File.basename(pathname) }
    dir_tree_walker.run(visitor)
    accumulator.length.should == 2
    accumulator.sort.should == %w{ [Dsube] test_dir_2 }.sort
  end

  it "should ignore not accessible directory" do

    dir = File.join(FIXTURES, "test_dir_3_with_error")

    f1 = File.join(dir, "no_accessible_dir")
    Dir.rmdir(f1) if File.exist?(f1)
    Dir.mkdir(f1, 0000)

    f2 = File.join(dir, "accessible_dir")
    Dir.rmdir(f2) if File.exist?(f2)
    Dir.mkdir(f2)

    dir_tree_walker = DirTreeWalker.new(File.join(FIXTURES, "test_dir_3_with_error"))
    accumulator = []
    visitor     = BlockTreeNodeVisitor.new { |pathname| accumulator << File.basename(pathname) }
    dir_tree_walker.run(visitor)
    accumulator.length.should == 2
    accumulator.sort.should == %w{accessible_dir test_dir_3_with_error }.sort

    # Dir.rmdir(f1)
    # Dir.rmdir(f2)
  end

end