132 lines
4.6 KiB
Elm
132 lines
4.6 KiB
Elm
module Tests exposing (..)
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import Test exposing (..)
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import Expect
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import AnimationHelpers
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exposing
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( calculateAnimation
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, movePosition
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, distanceFromSpeed
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, fmod
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, rectToRectCollision
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)
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trimFloatX : Int -> Float -> Float
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trimFloatX precision num =
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((num * toFloat (10 ^ precision)) |> round |> toFloat) / toFloat (10 ^ precision)
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trimTupleX : Int -> ( Float, Float ) -> ( Float, Float )
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trimTupleX precision ( first, second ) =
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( trimFloatX precision first, trimFloatX precision second )
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trimFloat1 =
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trimFloatX 1
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trimTuple1 =
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trimTupleX 1
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all : Test
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all =
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describe "Elmman Test Suite"
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[ describe "Animations frame mapping function"
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[ test "Animation frame calculations" <|
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\() ->
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Expect.equal (calculateAnimation 100 500 ( 0, 200 )) 40
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, test "Animation frame calculations 2" <|
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\() ->
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Expect.equal (calculateAnimation 500 500 ( 0, 200 )) 200
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, test "Animation frame calculations 3" <|
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\() ->
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Expect.equal (calculateAnimation 501 500 ( 0, 200 )) 0
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, test "Animation frame calculations with increased range" <|
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\() ->
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Expect.equal (calculateAnimation 500 500 ( 100, 300 )) 300
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, test "Animation frame calculations with increased range 2" <|
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\() ->
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Expect.equal (calculateAnimation 100 500 ( 100, 300 )) 140
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, test "Animation frame calculations with negative range" <|
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\() ->
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Expect.equal (calculateAnimation 100 500 ( -100, 100 )) -60
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]
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, describe "Position movement function"
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[ test "Move 45 degrees 10 units" <|
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\() ->
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Expect.equal
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(trimTuple1 (movePosition ( 0, 0 ) 45 10))
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( 7.1, 7.1 )
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, test "Move 45 degrees 200 units from 10,10" <|
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\() ->
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Expect.equal
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(trimTuple1 (movePosition ( 10, 10 ) 45 200))
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( 151.4, 151.4 )
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, test "Move 158 degrees 200 units" <|
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\() ->
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Expect.equal
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(trimTuple1 (movePosition ( 0, 0 ) 158 200))
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( -185.4, 74.9 )
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, test "Move 360 degrees 200 units" <|
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\() ->
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Expect.equal
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(trimTuple1 (movePosition ( 0, 0 ) 360 200))
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( 200, 0 )
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, test "Move 312 degrees 150 units" <|
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\() ->
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Expect.equal
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(trimTuple1 (movePosition ( 0, 0 ) 312 150))
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( 100.4, -111.5 )
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]
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, describe "convert speed/time to distance function"
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[ test "speed 200u/s for 4ms" <|
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\() ->
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Expect.equal
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(trimFloat1 (distanceFromSpeed 200 4))
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0.8
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, test "speed 2000u/s for 1ms" <|
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\() ->
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Expect.equal
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(distanceFromSpeed 2000 1)
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2
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, test "speed 1 u/s for 1ms" <|
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\() ->
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Expect.equal
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(distanceFromSpeed 1 1)
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0.001
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, test "speed 1 u/s for 1000ms" <|
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\() ->
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Expect.equal
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(distanceFromSpeed 1 1000)
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1
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]
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, describe "modulus for float"
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[ test "10.15 % 9" <|
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\() ->
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Expect.equal
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(trimFloatX 2 (fmod 10.15 9))
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1.15
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, test "51934 % 123" <|
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\() ->
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Expect.equal
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(fmod 51934 123)
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28
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]
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, describe "Rectangle collision testing"
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[ test "No collision" <|
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\() ->
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Expect.false "Expect rectangles not to collide" <|
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rectToRectCollision
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( ( 10, 10 ), ( 20, 30 ) )
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( ( 30, 50 ), ( 40, 60 ) )
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, test "Collide left" <|
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\() ->
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Expect.true "Expect rectangles to collide" <|
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rectToRectCollision
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( ( 30, 10 ), ( 50, 30 ) )
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( ( 10, 10 ), ( 40, 30 ) )
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]
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]
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