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39 lines
1.7 KiB
Elm
39 lines
1.7 KiB
Elm
module Tests exposing (..)
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import Test exposing (..)
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import Expect
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import Hamming exposing (distance)
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tests : Test
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tests =
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describe "Hamming"
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[ test "identical strands" <|
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\() -> Expect.equal (Just 0) (distance "A" "A")
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, test "long identical strands" <|
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\() -> Expect.equal (Just 0) (distance "GGACTGA" "GGACTGA")
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, test "complete distance in single nucleotide strands" <|
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\() -> Expect.equal (Just 1) (distance "A" "G")
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, test "complete distance in small strands" <|
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\() -> Expect.equal (Just 2) (distance "AG" "CT")
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, test "small distance in small strands" <|
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\() -> Expect.equal (Just 1) (distance "AT" "CT")
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, test "small distance" <|
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\() -> Expect.equal (Just 1) (distance "GGACG" "GGTCG")
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, test "small distance in long strands" <|
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\() -> Expect.equal (Just 2) (distance "ACCAGGG" "ACTATGG")
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, test "non-unique character in first strand" <|
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\() -> Expect.equal (Just 1) (distance "AGA" "AGG")
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, test "non-unique character in second strand" <|
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\() -> Expect.equal (Just 1) (distance "AGG" "AGA")
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, test "large distance" <|
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\() -> Expect.equal (Just 4) (distance "GATACA" "GCATAA")
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, test "large distance in off-by-one strand" <|
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\() -> Expect.equal (Just 9) (distance "GGACGGATTCTG" "AGGACGGATTCT")
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, test "empty strands" <|
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\() -> Expect.equal (Just 0) (distance "" "")
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, test "disallow first strand longer" <|
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\() -> Expect.equal Nothing (distance "AATG" "AAA")
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, test "disallow second strand longer" <|
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\() -> Expect.equal Nothing (distance "ATA" "AGTG")
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]
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