58 lines
1.2 KiB
Clojure
58 lines
1.2 KiB
Clojure
(ns cli-matic.utils-candidates-test
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(:require [clojure.test :refer :all])
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(:require [cli-matic.utils-candidates :refer [str-distance
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candidate-suggestions]]))
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(defn abs [n] (max n (- n)))
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(defn float=
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"Approximate float equality.
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Jeez, in each and every language I used in my life I
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had to write this. Sometimes I wonder which way thing are
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going.
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"
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[a b]
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(let [fa (float a)
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fb (float b)
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err 0.001]
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(> err (abs (- fa fb)))))
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(deftest str-distance-test
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(are [s1 s2 d]
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(float= d (str-distance s1 s2))
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; same string = 0
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"pippo" "pippo" 0
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; one change
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"pippo" "Pippo" 0.20
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; compute as prc of longest
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"pippox" "Pippo" 0.334
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; nils?
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"xxx" nil 1
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; both empty
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"" "" 0
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; both nil
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nil nil 0))
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(deftest candidate-suggestions-test
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(are [c t r]
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(= r (vec (candidate-suggestions c t 0.5)))
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; only one
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["foo" "bar" "baz" "buzz"] "baar" ["bar" "baz"]
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;none
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["foo" "bar" "baz" "buzz"] "zebra" []
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; best comes first
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["foo" "bara" "barrr" "buzz" "o"] "bar" ["bara" "barrr"]
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;none found
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["foo" "bara" "barrr" "buzz" "o"] "qaqaqa" []))
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