discourse/spec/services/word_watcher_spec.rb

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# frozen_string_literal: true
require 'rails_helper'
describe WordWatcher do
let(:raw) { "Do you like liquorice?\n\nI really like them. One could even say that I am *addicted* to liquorice. Anf if\nyou can mix it up with some anise, then I'm in heaven ;)" }
after do
$redis.flushall
end
describe '.word_matcher_regexp' do
let!(:word1) { Fabricate(:watched_word, action: WatchedWord.actions[:block]).word }
let!(:word2) { Fabricate(:watched_word, action: WatchedWord.actions[:block]).word }
context 'format of the result regexp' do
it "is correct when watched_words_regular_expressions = true" do
SiteSetting.watched_words_regular_expressions = true
regexp = WordWatcher.word_matcher_regexp(:block)
expect(regexp.inspect).to eq("/(#{word1})|(#{word2})/i")
end
it "is correct when watched_words_regular_expressions = false" do
SiteSetting.watched_words_regular_expressions = false
regexp = WordWatcher.word_matcher_regexp(:block)
expect(regexp.inspect).to eq("/(?:\\W|^)(#{word1}|#{word2})(?=\\W|$)/i")
end
end
end
describe "word_matches_for_action?" do
it "is falsey when there are no watched words" do
expect(WordWatcher.new(raw).word_matches_for_action?(:require_approval)).to be_falsey
end
context "with watched words" do
fab!(:anise) { Fabricate(:watched_word, word: "anise", action: WatchedWord.actions[:require_approval]) }
it "is falsey without a match" do
expect(WordWatcher.new("No liquorice for me, thanks...").word_matches_for_action?(:require_approval)).to be_falsey
end
it "is returns matched words if there's a match" do
m = WordWatcher.new(raw).word_matches_for_action?(:require_approval)
expect(m).to be_truthy
expect(m[1]).to eq(anise.word)
end
it "finds at start of string" do
m = WordWatcher.new("#{anise.word} is garbage").word_matches_for_action?(:require_approval)
expect(m[1]).to eq(anise.word)
end
it "finds at end of string" do
m = WordWatcher.new("who likes #{anise.word}").word_matches_for_action?(:require_approval)
expect(m[1]).to eq(anise.word)
end
it "finds non-letters in place of letters" do
Fabricate(:watched_word, word: "co(onut", action: WatchedWord.actions[:require_approval])
m = WordWatcher.new("This co(onut is delicious.").word_matches_for_action?(:require_approval)
expect(m[1]).to eq("co(onut")
end
it "handles * for wildcards" do
Fabricate(:watched_word, word: "a**le*", action: WatchedWord.actions[:require_approval])
m = WordWatcher.new("I acknowledge you.").word_matches_for_action?(:require_approval)
expect(m[1]).to eq("acknowledge")
end
context "word boundary" do
it "handles word boundary" do
Fabricate(:watched_word, word: "love", action: WatchedWord.actions[:require_approval])
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expect(WordWatcher.new("I Love, bananas.").word_matches_for_action?(:require_approval)[1]).to eq("Love")
expect(WordWatcher.new("I LOVE; apples.").word_matches_for_action?(:require_approval)[1]).to eq("LOVE")
expect(WordWatcher.new("love: is a thing.").word_matches_for_action?(:require_approval)[1]).to eq("love")
expect(WordWatcher.new("I love. oranges").word_matches_for_action?(:require_approval)[1]).to eq("love")
expect(WordWatcher.new("I :love. pineapples").word_matches_for_action?(:require_approval)[1]).to eq("love")
expect(WordWatcher.new("peace ,love and understanding.").word_matches_for_action?(:require_approval)[1]).to eq("love")
end
end
context 'multiple matches' do
context 'non regexp words' do
it 'lists all matching words' do
%w{bananas hate hates}.each do |word|
Fabricate(:watched_word, word: word, action: WatchedWord.actions[:block])
end
matches = WordWatcher.new("I hate bananas").word_matches_for_action?(:block, all_matches: true)
expect(matches).to contain_exactly('hate', 'bananas')
matches = WordWatcher.new("She hates bananas too").word_matches_for_action?(:block, all_matches: true)
expect(matches).to contain_exactly('hates', 'bananas')
end
end
context 'regexp words' do
before do
SiteSetting.watched_words_regular_expressions = true
end
it 'lists all matching patterns' do
Fabricate(:watched_word, word: "(pine)?apples", action: WatchedWord.actions[:block])
Fabricate(:watched_word, word: "((move|store)(d)?)|((watch|listen)(ed|ing)?)", action: WatchedWord.actions[:block])
matches = WordWatcher.new("pine pineapples apples").word_matches_for_action?(:block, all_matches: true)
expect(matches).to contain_exactly('pineapples', 'apples')
matches = WordWatcher.new("go watched watch ed ing move d moveed moved moving").word_matches_for_action?(:block, all_matches: true)
expect(matches).to contain_exactly(*%w{watched watch move moved})
end
end
end
context "emojis" do
it "handles emoji" do
Fabricate(:watched_word, word: ":joy:", action: WatchedWord.actions[:require_approval])
m = WordWatcher.new("Lots of emojis here :joy:").word_matches_for_action?(:require_approval)
expect(m[1]).to eq(":joy:")
end
it "handles unicode emoji" do
Fabricate(:watched_word, word: "🎃", action: WatchedWord.actions[:require_approval])
m = WordWatcher.new("Halloween party! 🎃").word_matches_for_action?(:require_approval)
expect(m[1]).to eq("🎃")
end
it "handles emoji skin tone" do
Fabricate(:watched_word, word: ":woman:t5:", action: WatchedWord.actions[:require_approval])
m = WordWatcher.new("To Infinity and beyond! 🚀 :woman:t5:").word_matches_for_action?(:require_approval)
expect(m[1]).to eq(":woman:t5:")
end
end
context "regular expressions" do
before do
SiteSetting.watched_words_regular_expressions = true
end
it "supports regular expressions on word boundaries" do
Fabricate(
:watched_word,
word: /\btest\b/,
action: WatchedWord.actions[:block]
)
m = WordWatcher.new("this is not a test.").word_matches_for_action?(:block)
expect(m[0]).to eq("test")
end
it "supports regular expressions as a site setting" do
Fabricate(
:watched_word,
word: /tro[uo]+t/,
action: WatchedWord.actions[:require_approval]
)
m = WordWatcher.new("Evil Trout is cool").word_matches_for_action?(:require_approval)
expect(m[0]).to eq("Trout")
m = WordWatcher.new("Evil Troot is cool").word_matches_for_action?(:require_approval)
expect(m[0]).to eq("Troot")
m = WordWatcher.new("trooooooooot").word_matches_for_action?(:require_approval)
expect(m[0]).to eq("trooooooooot")
end
it "support uppercase" do
Fabricate(
:watched_word,
word: /a\S+ce/,
action: WatchedWord.actions[:require_approval]
)
m = WordWatcher.new('Amazing place').word_matches_for_action?(:require_approval)
expect(m).to be_nil
m = WordWatcher.new('Amazing applesauce').word_matches_for_action?(:require_approval)
expect(m[0]).to eq('applesauce')
m = WordWatcher.new('Amazing AppleSauce').word_matches_for_action?(:require_approval)
expect(m[0]).to eq('AppleSauce')
end
end
end
end
end