mirror of
https://github.com/rjNemo/exercism-elixir
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33 lines
961 B
Elixir
33 lines
961 B
Elixir
defmodule UsernameTest do
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use ExUnit.Case
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describe "sanitize/1" do
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@tag task_id: 1
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test "works for an empty charlist" do
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assert Username.sanitize('') == ''
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end
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@tag task_id: 1
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test "it keeps lowercase latin letters" do
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input = Enum.to_list(0..0x10FFFF) -- [?_, ?ß, ?ä, ?ö, ?ü]
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expected = 'abcdefghijklmnopqrstuvwxyz'
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actual = Username.sanitize(input)
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assert Enum.take(actual, Enum.count(expected)) == expected
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assert Enum.count(actual) == Enum.count(expected)
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end
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@tag task_id: 2
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test "it keeps underscores" do
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assert Username.sanitize('marcel_huber') == 'marcel_huber'
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end
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@tag task_id: 3
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test "it substitutes german letters" do
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assert Username.sanitize('krüger') == 'krueger'
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assert Username.sanitize('köhler') == 'koehler'
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assert Username.sanitize('jäger') == 'jaeger'
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assert Username.sanitize('groß') == 'gross'
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end
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end
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end
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