26 lines
1010 B
Clojure
26 lines
1010 B
Clojure
(ns cipher-analytical-machine.analyzers.analyzers-test
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(:require
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[clojure.test :refer :all]
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[cipher-analytical-machine.analyzers.analyzers :refer :all]))
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(deftest count-characters-test
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(testing "Count two dublicates and one uniq character from a string."
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(is (= {\a 2 \b 1}
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(count-characters "aba")))))
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(deftest chi-squared-letter-statistic-test
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(testing "If the frequence of A is 0.1, the text length is 100 and contains 20 times, then the chi-squared is 10."
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(is (= 10.0
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(chi-squared-letter-statistic 20 0.1 100))))
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(testing "If the frequence of A is 0.1, the text length is 10 and contains 5 times, then the chi-squared is 16.0."
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(is (= 16.0
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(chi-squared-letter-statistic 5 0.1 10)))))
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(deftest chi-squared-statistic-test
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(let [text "aaaaabbbbb"]
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(testing "If the frequences of a and b is 0.1, the text length is 10 and contains them 5 times, then score is 32."
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(is (= 32.0
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(chi-squared-statistic text {\a 0.1 \b 0.1}))))))
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