elm/exercises/hamming/HammingTests.elm

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2016-03-12 02:09:38 +00:00
module Main (..) where
import Task
import Console
import ElmTest exposing (..)
import Hamming exposing (distance)
tests : Test
tests =
suite
"Hamming"
[ test
"identical strands"
(assertEqual (distance "A" "A") (Just 0))
, test
"long identical strands"
(assertEqual (distance "GGACTGA" "GGACTGA") (Just 0))
, test
"complete distance in single nucleotide strands"
(assertEqual (distance "A" "G") (Just 1))
, test
"complete distance in small strands"
(assertEqual (distance "AG" "CT") (Just 2))
, test
"small distance in small strands"
(assertEqual (distance "AT" "CT") (Just 1))
, test
"small distance"
(assertEqual (distance "GGACG" "GGTCG") (Just 1))
, test
"small distance in long strands"
(assertEqual (distance "ACCAGGG" "ACTATGG") (Just 2))
, test
"non-unique character in first strand"
(assertEqual (distance "AGA" "AGG") (Just 1))
, test
"non-unique character in second strand"
(assertEqual (distance "AGG" "AGA") (Just 1))
, test
"large distance"
(assertEqual (distance "GATACA" "GCATAA") (Just 4))
, test
"large distance in off-by-one strand"
(assertEqual (distance "GGACGGATTCTG" "AGGACGGATTCT") (Just 9))
, test
"empty strands"
(assertEqual (distance "" "") (Just 0))
, test
"disallow first strand longer"
(assertEqual (distance "AATG" "AAA") Nothing)
, test
"disallow second strand longer"
(assertEqual (distance "ATA" "AGTG") Nothing)
]
port runner : Signal (Task.Task x ())
port runner =
Console.run (consoleRunner tests)