faster_path 0.0.2

Alternative to Pathname
Documentation 
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require 'test_helper'
require 'faster_path/optional/refinements'

class RefinedPathname
  using FasterPath::RefinePathname
  using FasterPath::RefineFile
  def del_trailing_separator(pth)
    Pathname.allocate.send(:del_trailing_separator, pth)
  end
end

class DelTrailingSeparatorTest < Minitest::Test
  def test_del_trailing_separator
    assert_equal RefinedPathname.new.del_trailing_separator("/"), "/"
    assert_equal RefinedPathname.new.del_trailing_separator("/a"), "/a"
    assert_equal RefinedPathname.new.del_trailing_separator("/a/"), "/a"
    assert_equal RefinedPathname.new.del_trailing_separator("/a//"), "/a"
    assert_equal RefinedPathname.new.del_trailing_separator("."), "."
    assert_equal RefinedPathname.new.del_trailing_separator("./"), "."
    assert_equal RefinedPathname.new.del_trailing_separator(".//"), "."
  end

  def test_del_trailing_separator_in_dosish_context
    if File.dirname("A:") == "A:." # DOSISH_DRIVE_LETTER
      assert_equal RefinedPathname.new.del_trailing_separator("A:"), "A:"
      assert_equal RefinedPathname.new.del_trailing_separator("A:/"), "A:/"
      assert_equal RefinedPathname.new.del_trailing_separator("A://"), "A:/"
      assert_equal RefinedPathname.new.del_trailing_separator("A:."), "A:."
      assert_equal RefinedPathname.new.del_trailing_separator("A:./"), "A:."
      assert_equal RefinedPathname.new.del_trailing_separator("A:.//"), "A:."
    end

    if File.dirname("//") == "//" # DOSISH_UNC
      assert_equal RefinedPathname.new.del_trailing_separator("//"), "//"
      assert_equal RefinedPathname.new.del_trailing_separator("//a"), "//a"
      assert_equal RefinedPathname.new.del_trailing_separator("//a/"), "//a"
      assert_equal RefinedPathname.new.del_trailing_separator("//a//"), "//a"
      assert_equal RefinedPathname.new.del_trailing_separator("//a/b"), "//a/b"
      assert_equal RefinedPathname.new.del_trailing_separator("//a/b/"), "//a/b"
      assert_equal RefinedPathname.new.del_trailing_separator("//a/b//"), "//a/b"
      assert_equal RefinedPathname.new.del_trailing_separator("//a/b/c"), "//a/b/c"
      assert_equal RefinedPathname.new.del_trailing_separator("//a/b/c/"), "//a/b/c"
      assert_equal RefinedPathname.new.del_trailing_separator("//a/b/c//"), "//a/b/c"
    else
      assert_equal RefinedPathname.new.del_trailing_separator("///"), "/"
      assert_equal RefinedPathname.new.del_trailing_separator("///a/"), "///a"
    end

    if !File::ALT_SEPARATOR.nil? # DOSISH
      assert_equal RefinedPathname.new.del_trailing_separator("a\\"), "a"
      assert_equal RefinedPathname.new.del_trailing_separator("\225\\\\".dup.force_encoding("cp932")), "\225\\".dup.force_encoding("cp932")
      assert_equal RefinedPathname.new.del_trailing_separator("\225\\\\".dup.force_encoding("cp437")), "\225".dup.force_encoding("cp437")
    end
  end
end