File: exists.rb

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describe :dir_exists, :shared => true do
  it "returns true if the given directory exists" do
    Dir.send(@method, File.dirname(__FILE__)).should be_true
  end

  it "returns true for '.'" do
    Dir.send(@method, '.').should be_true
  end

  it "returns true for '..'" do
    Dir.send(@method, '..').should be_true
  end

  it "understands non-ASCII paths" do
    subdir = File.join(tmp("\u{9876}\u{665}"))
    Dir.send(@method, subdir).should be_false
    Dir.mkdir(subdir)
    Dir.send(@method, subdir).should be_true
    Dir.rmdir(subdir)
  end

  it "understands relative paths" do
    Dir.send(@method, File.dirname(__FILE__) + '/../').should be_true
  end

  it "returns false if the given directory doesn't exist" do
    Dir.send(@method, 'y26dg27n2nwjs8a/').should be_false
  end

  it "doesn't require the name to have a trailing slash" do
    dir = File.dirname(__FILE__)
    dir.sub!(/\/$/,'')
    Dir.send(@method, dir).should be_true
  end

  it "doesn't expand paths" do
    Dir.send(@method, File.expand_path('~')).should be_true
    Dir.send(@method, '~').should be_false
  end

  it "returns false if the argument exists but is a file" do
    File.exists?(__FILE__).should be_true
    Dir.send(@method, __FILE__).should be_false
  end

  ruby_version_is "1.9" do
    it "calls #to_path on non String arguments" do
      p = mock('path')
      p.should_receive(:to_path).and_return(File.dirname(__FILE__))
      Dir.send(@method, p)
    end
  end
end