require_relative '../../spec_helper'

describe "File.mkfifo" do
  platform_is_not :windows do
    before do
      @path = tmp('fifo')
    end

    after do
      rm_r(@path)
    end

    context "when path passed responds to :to_path" do
      it "creates a FIFO file at the path specified" do
        File.mkfifo(@path)
        File.ftype(@path).should == "fifo"
      end
    end

    context "when path passed is not a String value" do
      it "raises a TypeError" do
        -> { File.mkfifo(:"/tmp/fifo") }.should.raise(TypeError)
      end
    end

    context "when path does not exist" do
      it "raises an Errno::ENOENT exception" do
        -> { File.mkfifo("/bogus/path") }.should.raise(Errno::ENOENT)
      end
    end

    it "creates a FIFO file at the passed path" do
      File.mkfifo(@path.to_s)
      File.ftype(@path).should == "fifo"
    end

    it "creates a FIFO file with passed mode & ~umask" do
      File.mkfifo(@path, 0755)
      File.stat(@path).mode.should == 010755 & ~File.umask
    end

    it "creates a FIFO file with a default mode of 0666 & ~umask" do
      File.mkfifo(@path)
      File.stat(@path).mode.should == 010666 & ~File.umask
    end

    it "returns 0 after creating the FIFO file" do
      File.mkfifo(@path).should == 0
    end

    platform_is :darwin do
      it "accepts a path in a non-UTF-8, ASCII-compatible encoding containing non-ASCII characters" do
        utf8_path = tmp("file_mkfifo_utf8_path_\u{3042}.txt")
        # Can fail with UndefinedConversionError if tmp path has non-Shift_JIS chars (e.g. Emojis, Hangul, Cyrillic, accented letters)
        non_utf8_path = utf8_path.encode(Encoding::Windows_31J)

        begin
          File.mkfifo(non_utf8_path).should == 0
        ensure
          rm_r utf8_path
          rm_r non_utf8_path
        end
      end
    end
  end
end
