25 lines
597 B
Ruby
25 lines
597 B
Ruby
# frozen_string_literal: true
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require "socket"
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require "formula_free_port"
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module Homebrew
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RSpec.describe FreePort do
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include described_class
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describe "#free_port" do
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it "returns a free TCP/IP port" do
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# IANA suggests user port from 1024 to 49151
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# and dynamic port for 49152 to 65535
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# http://www.iana.org/assignments/port-numbers
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min_port = 1024
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max_port = 65535
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port = free_port
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expect(port).to be_between(min_port, max_port)
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expect { TCPServer.new(port).close }.not_to raise_error
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end
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end
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end
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end
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