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58 lines
1.6 KiB
Elm
58 lines
1.6 KiB
Elm
module Main exposing (..)
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import ElmTest exposing (..)
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import Hamming exposing (distance)
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tests : Test
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tests =
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suite
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"Hamming"
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[ test
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"identical strands"
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(assertEqual (Just 0) (distance "A" "A"))
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, test
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"long identical strands"
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(assertEqual (Just 0) (distance "GGACTGA" "GGACTGA"))
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, test
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"complete distance in single nucleotide strands"
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(assertEqual (Just 1) (distance "A" "G"))
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, test
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"complete distance in small strands"
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(assertEqual (Just 2) (distance "AG" "CT"))
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, test
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"small distance in small strands"
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(assertEqual (Just 1) (distance "AT" "CT"))
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, test
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"small distance"
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(assertEqual (Just 1) (distance "GGACG" "GGTCG"))
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, test
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"small distance in long strands"
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(assertEqual (Just 2) (distance "ACCAGGG" "ACTATGG"))
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, test
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"non-unique character in first strand"
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(assertEqual (Just 1) (distance "AGA" "AGG"))
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, test
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"non-unique character in second strand"
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(assertEqual (Just 1) (distance "AGG" "AGA"))
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, test
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"large distance"
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(assertEqual (Just 4) (distance "GATACA" "GCATAA"))
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, test
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"large distance in off-by-one strand"
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(assertEqual (Just 9) (distance "GGACGGATTCTG" "AGGACGGATTCT"))
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, test
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"empty strands"
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(assertEqual (Just 0) (distance "" ""))
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, test
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"disallow first strand longer"
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(assertEqual Nothing (distance "AATG" "AAA"))
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, test
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"disallow second strand longer"
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(assertEqual Nothing (distance "ATA" "AGTG"))
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]
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main : Program Never
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main =
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runSuite tests
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