259 lines
7.9 KiB
Ruby
259 lines
7.9 KiB
Ruby
# frozen_string_literal: true
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RSpec.describe UsernameValidator do
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def expect_valid(*usernames)
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usernames.each do |username|
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validator = UsernameValidator.new(username)
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aggregate_failures do
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expect(validator.valid_format?).to eq(true), "expected '#{username}' to be valid"
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expect(validator.errors).to be_empty
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end
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end
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end
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def expect_invalid(*usernames, error_message:)
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usernames.each do |username|
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validator = UsernameValidator.new(username)
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aggregate_failures do
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expect(validator.valid_format?).to eq(false), "expected '#{username}' to be invalid"
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expect(validator.errors).to include(error_message)
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end
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end
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end
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shared_examples "ASCII username" do
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it "is invalid when the username is blank" do
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expect_invalid("", error_message: I18n.t(:"user.username.blank"))
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end
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it "is invalid when the username is too short" do
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SiteSetting.min_username_length = 4
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expect_invalid("a", "ab", "abc", error_message: I18n.t(:"user.username.short", min: 4))
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end
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it "is valid when the username has the minimum length" do
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SiteSetting.min_username_length = 4
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expect_valid("abcd")
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end
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it "is invalid when the username is too long" do
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SiteSetting.max_username_length = 8
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expect_invalid("abcdefghi", error_message: I18n.t(:"user.username.long", max: 8))
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end
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it "is valid when the username has the maximum length" do
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SiteSetting.max_username_length = 8
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expect_valid("abcdefgh")
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end
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it "is valid when the username contains alphanumeric characters, dots, underscores and dashes" do
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expect_valid("ab-cd.123_ABC-xYz")
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end
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it "is invalid when the username contains non-alphanumeric characters other than dots, underscores and dashes" do
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expect_invalid("abc|", "a#bc", "abc xyz", error_message: I18n.t(:"user.username.characters"))
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end
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it "is valid when the username starts with a alphanumeric character or underscore" do
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expect_valid("abcd", "1abc", "_abc")
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end
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it "is invalid when the username starts with a dot or dash" do
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expect_invalid(
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".abc",
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"-abc",
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error_message: I18n.t(:"user.username.must_begin_with_alphanumeric_or_underscore"),
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)
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end
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it "is valid when the username ends with a alphanumeric character" do
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expect_valid("abcd", "abc9")
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end
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it "is invalid when the username ends with an underscore, a dot or dash" do
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expect_invalid(
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"abc_",
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"abc.",
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"abc-",
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error_message: I18n.t(:"user.username.must_end_with_alphanumeric"),
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)
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end
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it "is invalid when the username contains consecutive underscores, dots or dashes" do
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expect_invalid(
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"a__bc",
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"a..bc",
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"a--bc",
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error_message: I18n.t(:"user.username.must_not_contain_two_special_chars_in_seq"),
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)
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end
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it "is invalid when the username ends with certain file extensions" do
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expect_invalid(
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"abc.json",
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"abc.png",
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error_message: I18n.t(:"user.username.must_not_end_with_confusing_suffix"),
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)
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end
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end
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context "when Unicode usernames are disabled" do
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before { SiteSetting.unicode_usernames = false }
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include_examples "ASCII username"
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it "is invalid when the username contains non-ASCII characters except dots, underscores and dashes" do
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expect_invalid("abcö", "abc象", error_message: I18n.t(:"user.username.characters"))
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end
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end
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context "when Unicode usernames are enabled" do
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before { SiteSetting.unicode_usernames = true }
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context "with ASCII usernames" do
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include_examples "ASCII username"
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end
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context "with Unicode usernames" do
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before { SiteSetting.min_username_length = 1 }
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it "is invalid when the username is too short" do
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SiteSetting.min_username_length = 3
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expect_invalid("鳥", "পাখি", error_message: I18n.t(:"user.username.short", min: 3))
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end
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it "is valid when the username has the minimum length" do
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SiteSetting.min_username_length = 2
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expect_valid("পাখি", "طائر")
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end
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it "is invalid when the username is too long" do
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SiteSetting.max_username_length = 8
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expect_invalid(
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"חוטב_עצים",
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"Holzfäller",
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error_message: I18n.t(:"user.username.long", max: 8),
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)
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end
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it "is valid when the username has the maximum length" do
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SiteSetting.max_username_length = 9
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expect_valid("Дровосек", "چوب-لباسی", "தமிழ்-தமிழ்")
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end
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it "is invalid when the username has too many Unicode codepoints" do
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SiteSetting.max_username_length = 30
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expect_invalid(
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"য়ায়ায়ায়ায়ায়ায়ায়ায়ায়ায়ায়ায়ায়ায়ায়ায়ায়ায়ায়ায়ায়ায়ায়ায়া",
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error_message: I18n.t(:"user.username.too_long"),
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)
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end
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it "is valid when the username contains Unicode letters" do
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expect_valid(
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"鳥",
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"طائر",
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"թռչուն",
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"πουλί",
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"পাখি",
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"madár",
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"새",
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"پرنده",
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"птица",
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"fågel",
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"นก",
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"پرندے",
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"ציפור",
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)
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end
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it "is valid when the username contains numbers from the Nd or Nl Unicode category" do
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expect_valid("arabic٠١٢٣٤٥٦٧٨٩", "bengali০১২৩৪৫৬৭৮৯", "romanⅥ", "hangzhou〺")
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end
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it "is invalid when the username contains numbers from the No Unicode category" do
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expect_invalid("circled㊸", "fraction¾", error_message: I18n.t(:"user.username.characters"))
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end
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it "is invalid when the username contains symbols or emojis" do
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SiteSetting.min_username_length = 1
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expect_invalid(
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"©",
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"⇨",
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"“",
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"±",
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"‿",
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"😃",
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"🚗",
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error_message: I18n.t(:"user.username.characters"),
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)
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end
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it "is invalid when the username contains invisible characters" do
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expect_invalid(
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"a\u{034F}b",
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"a\u{115F}b",
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"a\u{1160}b",
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"a\u{17B4}b",
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"a\u{17B5}b",
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"a\u{180B}b",
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"a\u{180C}b",
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"a\u{180D}b",
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"a\u{3164}b",
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"a\u{FFA0}b",
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"a\u{FE00}b",
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"a\u{FE0F}b",
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"a\u{E0100}b",
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"a\u{E01EF}b",
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error_message: I18n.t(:"user.username.characters"),
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)
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end
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it "is invalid when the username contains zero width join characters" do
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expect_invalid("ണ്", "র্যাম", error_message: I18n.t(:"user.username.characters"))
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end
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it "is valid when the username ends with a Unicode Mark" do
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expect_valid("தமிழ்")
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end
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it "allows all Unicode letters when the allowlist is empty" do
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expect_valid("鳥")
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end
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context "with Unicode allowlist" do
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before { SiteSetting.allowed_unicode_username_characters = "[äöüÄÖÜß]" }
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it "is invalid when username contains non-allowlisted letters" do
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expect_invalid("鳥", "francès", error_message: I18n.t(:"user.username.characters"))
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end
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it "is valid when username contains only allowlisted letters" do
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expect_valid("Löwe", "Ötzi")
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end
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it "is valid when username contains only ASCII letters and numbers regardless of allowlist" do
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expect_valid("a-z_A-Z.0-9")
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end
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it "is valid after resetting the site setting" do
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SiteSetting.allowed_unicode_username_characters = ""
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expect_valid("鳥")
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end
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end
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end
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end
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end
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