38 lines
1.5 KiB
Elm
38 lines
1.5 KiB
Elm
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module Tests exposing (..)
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import Test exposing (..)
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import Expect
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import Fuzz exposing (list, int, tuple, string)
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import String
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all : Test
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all =
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describe "Sample Test Suite"
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[ describe "Unit test examples"
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[ test "Addition" <|
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\() ->
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Expect.equal (3 + 7) 10
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, test "String.left" <|
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\() ->
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Expect.equal "a" (String.left 1 "abcdefg")
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, test "This test should fail - you should remove it" <|
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\() ->
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Expect.fail "Failed as expected!"
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]
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, describe "Fuzz test examples, using randomly generated input"
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[ fuzz (list int) "Lists always have positive length" <|
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\aList ->
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List.length aList |> Expect.atLeast 0
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, fuzz (list int) "Sorting a list does not change its length" <|
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\aList ->
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List.sort aList |> List.length |> Expect.equal (List.length aList)
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, fuzzWith { runs = 1000 } int "List.member will find an integer in a list containing it" <|
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\i ->
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List.member i [ i ] |> Expect.true "If you see this, List.member returned False!"
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, fuzz2 string string "The length of a string equals the sum of its substrings' lengths" <|
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\s1 s2 ->
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s1 ++ s2 |> String.length |> Expect.equal (String.length s1 + String.length s2)
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]
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]
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