64 lines
1.8 KiB
Elixir
64 lines
1.8 KiB
Elixir
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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(~c"") == ~c""
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end
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@tag task_id: 1
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test "it allows lowercase Latin letters" do
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assert Username.sanitize(~c"anne") == ~c"anne"
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end
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@tag task_id: 1
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test "it allows the whole lowercase Latin alphabet" do
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lowercase_latin_letters = ~c"abcdefghijklmnopqrstuvwxyz"
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assert Username.sanitize(lowercase_latin_letters) == lowercase_latin_letters
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end
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@tag task_id: 1
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test "it removes numbers" do
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assert Username.sanitize(~c"schmidt1985") == ~c"schmidt"
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end
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@tag task_id: 1
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test "it removes punctuation" do
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assert Username.sanitize(~c"*fritz*!$%") == ~c"fritz"
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end
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@tag task_id: 1
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test "it removes whitespace" do
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assert Username.sanitize(~c" olaf ") == ~c"olaf"
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end
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@tag task_id: 1
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test "it removes all disallowed characters" do
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allowed_characters = ~c"abcdefghijklmnopqrstuvwxyz_ßäöü"
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input = Enum.to_list(0..0x10FFFF) -- allowed_characters
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assert Username.sanitize(input) == ~c""
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end
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@tag task_id: 2
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test "it allows underscores" do
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assert Username.sanitize(~c"marcel_huber") == ~c"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(~c"krüger") == ~c"krueger"
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assert Username.sanitize(~c"köhler") == ~c"koehler"
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assert Username.sanitize(~c"jäger") == ~c"jaeger"
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assert Username.sanitize(~c"groß") == ~c"gross"
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end
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@tag task_id: 3
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test "it substitutes German letters and removes disallowed characters" do
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assert Username.sanitize(~c"köhler_jäger42") == ~c"koehler_jaeger"
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end
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end
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end
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