From c38ad208c361cc77e2fa305a0e929f35363c0fcd Mon Sep 17 00:00:00 2001 From: Eugen Rochko Date: Sun, 27 Mar 2016 23:51:18 +0200 Subject: [PATCH] Fix mentions regex to exclude usernames in Medium URLs --- app/models/account.rb | 2 +- spec/models/account_spec.rb | 24 ++++++++++++++++++++++++ 2 files changed, 25 insertions(+), 1 deletion(-) diff --git a/app/models/account.rb b/app/models/account.rb index 007fc77b6..f61f4c765 100644 --- a/app/models/account.rb +++ b/app/models/account.rb @@ -31,7 +31,7 @@ class Account < ActiveRecord::Base has_many :following, through: :active_relationships, source: :target_account has_many :followers, through: :passive_relationships, source: :account - MENTION_RE = /(?:^|\W)@([a-z0-9_]+(?:@[a-z0-9\.\-]+)?)/i + MENTION_RE = /(?:^|\s|\.)@([a-z0-9_]+(?:@[a-z0-9\.\-]+)?)/i def follow!(other_account) self.active_relationships.where(target_account: other_account).first_or_create!(target_account: other_account) diff --git a/spec/models/account_spec.rb b/spec/models/account_spec.rb index 059e4ee3a..9d19fd3b4 100644 --- a/spec/models/account_spec.rb +++ b/spec/models/account_spec.rb @@ -111,4 +111,28 @@ RSpec.describe Account, type: :model do describe '.find_local' do pending end + + describe 'MENTION_RE' do + subject { Account::MENTION_RE } + + it 'matches usernames in the middle of a sentence' do + expect(subject.match('Hello to @alice from me')[1]).to eq 'alice' + end + + it 'matches usernames in the beginning of status' do + expect(subject.match('@alice Hey how are you?')[1]).to eq 'alice' + end + + it 'matches dot-prepended usernames' do + expect(subject.match('.@alice I want everybody to see this')[1]).to eq 'alice' + end + + it 'does not match e-mails' do + expect(subject.match('Drop me an e-mail at alice@example.com')).to be_nil + end + + it 'does not match URLs' do + expect(subject.match('Check this out https://medium.com/@alice/some-article#.abcdef123')).to be_nil + end + end end