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223 lines
8.0 KiB
Ruby
223 lines
8.0 KiB
Ruby
# frozen_string_literal: true
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require 'rails_helper'
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require 'user_name_suggester'
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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('myreallylongnam')
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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(UserNameSuggester.suggest('য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া-য়া'))
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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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