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Contents
(ns luhn-test
(:require [clojure.test :refer [deftest is testing]]
luhn))
(deftest validity-tests
(testing "single digit strings can not be valid"
(is (false? (luhn/valid? "1"))))
(testing "A single zero is invalid"
(is (false? (luhn/valid? "0"))))
(testing "simple valid sin"
(is (true? (luhn/valid? " 5 9 "))))
(testing "valid Canadian SIN"
(is (true? (luhn/valid? "046 454 286"))))
(testing "invalid Canadian SIN"
(is (false? (luhn/valid? "046 454 287"))))
(testing "invalid credit card"
(is (false? (luhn/valid? "8273 1232 7352 0569"))))
(testing "valid strings with a non-digit added become invalid"
(is (false? (luhn/valid? "046a 454 286"))))
(testing "punctuation is not allowed"
(is (false? (luhn/valid? "055-444-285"))))
(testing "symbols are not allowed"
(is (false? (luhn/valid? "055£ 444$ 285"))))
(testing "single zero with space is invalid"
(is (false? (luhn/valid? " 0"))))
(testing "lots of zeros are valid"
(is (true? (luhn/valid? " 00000"))))
(testing "another valid sin"
(is (true? (luhn/valid? "055 444 285"))))
(testing "nine doubled is nine"
(is (true? (luhn/valid? "091"))))
)
Version data entries
289 entries across 289 versions & 1 rubygems