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227 lines
8.0 KiB
Ruby
227 lines
8.0 KiB
Ruby
# frozen_string_literal: true
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require "user_name_suggester"
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RSpec.describe UserNameSuggester do
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describe ".suggest" do
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before do
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SiteSetting.min_username_length = 3
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SiteSetting.max_username_length = 15
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SiteSetting.reserved_usernames = ""
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end
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it "keeps adding numbers to the username" do
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Fabricate(:user, username: "sam")
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Fabricate(:user, username: "sAm1")
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Fabricate(:user, username: "sam2")
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Fabricate(:user, username: "sam4")
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expect(UserNameSuggester.suggest("saM")).to eq("saM3")
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end
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it "doesn't raise an error on nil username and suggest the fallback username" do
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expect(UserNameSuggester.suggest(nil)).to eq(I18n.t("fallback_username"))
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end
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it "doesn't raise an error on integer username" do
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expect(UserNameSuggester.suggest(999)).to eq("999")
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end
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it "corrects weird characters" do
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expect(UserNameSuggester.suggest("Darth%^Vader")).to eq("Darth_Vader")
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end
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it "adds 1 to an existing username" do
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user = Fabricate(:user)
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expect(UserNameSuggester.suggest(user.username)).to eq("#{user.username}1")
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end
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it "adds numbers if it's too short" do
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expect(UserNameSuggester.suggest("a")).to eq("a11")
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end
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it "is able to guess a decent username from an email" do
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expect(UserNameSuggester.suggest("bob@example.com")).to eq("bob")
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end
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it "has a special case for me and i emails" do
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expect(UserNameSuggester.suggest("me@eviltrout.com")).to eq("eviltrout")
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expect(UserNameSuggester.suggest("i@eviltrout.com")).to eq("eviltrout")
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end
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it "shortens very long suggestions" do
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expect(UserNameSuggester.suggest("myreallylongnameisrobinwardesquire")).to eq(
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"myreallylongnam",
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)
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end
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it "makes room for the digit added if the username is too long" do
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User.create(username: "myreallylongnam", email: "fake@discourse.org")
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expect(UserNameSuggester.suggest("myreallylongnam")).to eq("myreallylongna1")
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end
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it "doesn't suggest reserved usernames" do
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SiteSetting.reserved_usernames = "myadmin|steve|steve1"
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expect(UserNameSuggester.suggest("myadmin@hissite.com")).to eq("myadmin1")
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expect(UserNameSuggester.suggest("steve")).to eq("steve2")
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end
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it "doesn't suggest generic usernames" do
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UserNameSuggester::GENERIC_NAMES.each do |name|
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expect(UserNameSuggester.suggest("#{name}@apple.org")).to eq("apple")
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end
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end
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it "removes leading character if it is not alphanumeric" do
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expect(UserNameSuggester.suggest(".myname")).to eq("myname")
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end
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it "allows leading _" do
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expect(UserNameSuggester.suggest("_myname")).to eq("_myname")
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end
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it "removes trailing characters if they are invalid" do
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expect(UserNameSuggester.suggest("myname!^$=")).to eq("myname")
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end
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it "suggest a fallback username if name contains only invalid characters" do
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suggestion = UserNameSuggester.suggest("---")
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expect(suggestion).to eq(I18n.t("fallback_username"))
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end
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it "allows dots in the middle" do
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expect(UserNameSuggester.suggest("my.name")).to eq("my.name")
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end
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it "remove leading dots" do
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expect(UserNameSuggester.suggest(".myname")).to eq("myname")
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end
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it "remove trailing dots" do
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expect(UserNameSuggester.suggest("myname.")).to eq("myname")
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end
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it "handles usernames with a sequence of 2 or more special chars" do
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expect(UserNameSuggester.suggest("Darth__Vader")).to eq("Darth_Vader")
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expect(UserNameSuggester.suggest("Darth_-_Vader")).to eq("Darth_Vader")
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end
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it "should handle typical facebook usernames" do
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expect(UserNameSuggester.suggest("roger.nelson.3344913")).to eq("roger.nelson.33")
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end
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it "removes underscore at the end of long usernames that get truncated" do
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expect(UserNameSuggester.suggest("uuuuuuuuuuuuuu_u")).to_not end_with("_")
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end
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it "adds number if it's too short after removing trailing underscore" do
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User.stubs(:username_length).returns(8..8)
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expect(UserNameSuggester.suggest("uuuuuuu_u")).to eq("uuuuuuu1")
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end
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it "preserves current username" do
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# if several users have username "bill" on the external site,
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# they will have usernames bill, bill1, bill2 etc in Discourse:
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Fabricate(:user, username: "bill")
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Fabricate(:user, username: "bill1")
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Fabricate(:user, username: "bill2")
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Fabricate(:user, username: "bill3")
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Fabricate(:user, username: "bill4")
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# the number should be preserved, bill3 should remain bill3
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suggestion = UserNameSuggester.suggest("bill", current_username: "bill3")
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expect(suggestion).to eq "bill3"
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end
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it "skips input made entirely of disallowed characters" do
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SiteSetting.unicode_usernames = false
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input = %w[Πλάτων علي William]
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suggestion = UserNameSuggester.suggest(*input)
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expect(suggestion).to eq "William"
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end
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it "uses the first item if it isn't made entirely of disallowed characters" do
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SiteSetting.unicode_usernames = false
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input = %w[William علي Πλάτων]
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suggestion = UserNameSuggester.suggest(*input)
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expect(suggestion).to eq "William"
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end
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context "with Unicode usernames disabled" do
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before { SiteSetting.unicode_usernames = false }
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it "transliterates some characters" do
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expect(UserNameSuggester.suggest("Jørn")).to eq("Jorn")
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end
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it "uses fallback username if there are Unicode characters only" do
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fallback_username = I18n.t("fallback_username")
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expect(UserNameSuggester.suggest("طائر")).to eq(fallback_username)
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expect(UserNameSuggester.suggest("πουλί")).to eq(fallback_username)
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end
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end
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context "with Unicode usernames enabled" do
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before { SiteSetting.unicode_usernames = true }
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it "normalizes unicode usernames with Σ to lowercase" do
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expect(UserNameSuggester.suggest('ΣΣ\'"ΣΣ')).to eq("σς_σς")
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end
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it "does not transliterate" do
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expect(UserNameSuggester.suggest("Jørn")).to eq("Jørn")
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end
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it "does not replace Unicode characters" do
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expect(UserNameSuggester.suggest("طائر")).to eq("طائر")
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expect(UserNameSuggester.suggest("πουλί")).to eq("πουλί")
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end
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it "shortens usernames by counting grapheme clusters" do
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SiteSetting.max_username_length = 10
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expect(UserNameSuggester.suggest("बहुत-लंबा-उपयोगकर्ता-नाम")).to eq("बहुत-लंबा-उपयो")
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end
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it "adds numbers if it's too short" do
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expect(UserNameSuggester.suggest("鳥")).to eq("鳥11")
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# grapheme cluster consists of 3 code points
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expect(UserNameSuggester.suggest("য়া")).to eq("য়া11")
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end
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it "normalizes usernames" do
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actual = "Löwe" # NFD, "Lo\u0308we"
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expected = "Löwe" # NFC, "L\u00F6we"
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expect(UserNameSuggester.suggest(actual)).to eq(expected)
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end
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it "does not suggest a username longer than max column size" do
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SiteSetting.max_username_length = 40
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expect(
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UserNameSuggester.suggest(
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"য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া",
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),
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).to eq("য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া")
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end
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it "uses allowlist" do
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SiteSetting.allowed_unicode_username_characters = "[äöüßÄÖÜẞ]"
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expect(UserNameSuggester.suggest("πουλί")).to eq(I18n.t("fallback_username"))
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expect(UserNameSuggester.suggest("a鳥b")).to eq("a_b")
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expect(UserNameSuggester.suggest("Löwe")).to eq("Löwe")
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SiteSetting.allowed_unicode_username_characters = "[য়া]"
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expect(UserNameSuggester.suggest("aয়াb鳥c")).to eq("aয়াb_c")
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end
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end
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end
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end
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