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31 lines
842 B
31 lines
842 B
class Passphrase
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def initialize(raw)
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@raw = raw
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end
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def valid?
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words = @raw.split(/\s+/).map {|word| word.split(//).sort.join }
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words.uniq.size == words.size
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end
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end
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# require "minitest/autorun"
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if $0 == __FILE__
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p ARGF.read.split("\n").map {|line| Passphrase.new(line) }.select(&:valid?).size
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end
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require "minitest"
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class TestPassphrase < Minitest::Test
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def test_valid
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# assert Passphrase.new("aa bb cc dd ee").valid?
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# refute Passphrase.new("aa bb cc dd aa").valid?
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# assert Passphrase.new("aa bb cc dd aaa").valid?
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assert Passphrase.new("abcde fghij").valid?
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refute Passphrase.new("abcde xyz ecdab").valid?
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assert Passphrase.new("a ab abc abd abf abj").valid?
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assert Passphrase.new("iiii oiii ooii oooi oooo").valid?
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refute Passphrase.new("oiii ioii iioi iiio").valid?
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end
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end
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