1 files changed, 89 insertions, 0 deletions
diff --git a/spec/models/glitch/keyword_mute_spec.rb b/spec/models/glitch/keyword_mute_spec.rb
new file mode 100644
index 000000000..1423823ba
--- /dev/null
+++ b/spec/models/glitch/keyword_mute_spec.rb
@@ -0,0 +1,89 @@
+require 'rails_helper'
+
+RSpec.describe Glitch::KeywordMute, type: :model do
+  let(:alice) { Fabricate(:account, username: 'alice').tap(&:save!) }
+  let(:bob) { Fabricate(:account, username: 'bob').tap(&:save!) }
+
+  describe '.matcher_for' do
+    let(:matcher) { Glitch::KeywordMute.matcher_for(alice) }
+
+    describe 'with no mutes' do
+      before do
+        Glitch::KeywordMute.delete_all
+      end
+
+      it 'does not match' do
+        expect(matcher =~ 'This is a hot take').to be_falsy
+      end
+    end
+
+    describe 'with mutes' do
+      it 'does not match keywords set by a different account' do
+        Glitch::KeywordMute.create!(account: bob, keyword: 'take')
+
+        expect(matcher =~ 'This is a hot take').to be_falsy
+      end
+
+      it 'does not match if no keywords match the status text' do
+        Glitch::KeywordMute.create!(account: alice, keyword: 'cold')
+
+        expect(matcher =~ 'This is a hot take').to be_falsy
+      end
+
+      it 'considers word boundaries when matching' do
+        Glitch::KeywordMute.create!(account: alice, keyword: 'bob', whole_word: true)
+
+        expect(matcher =~ 'bobcats').to be_falsy
+      end
+
+      it 'matches substrings if whole_word is false' do
+        Glitch::KeywordMute.create!(account: alice, keyword: 'take', whole_word: false)
+
+        expect(matcher =~ 'This is a shiitake mushroom').to be_truthy
+      end
+
+      it 'matches keywords at the beginning of the text' do
+        Glitch::KeywordMute.create!(account: alice, keyword: 'take')
+
+        expect(matcher =~ 'Take this').to be_truthy
+      end
+
+      it 'matches keywords at the end of the text' do
+        Glitch::KeywordMute.create!(account: alice, keyword: 'take')
+
+        expect(matcher =~ 'This is a hot take').to be_truthy
+      end
+
+      it 'matches if at least one keyword case-insensitively matches the text' do
+        Glitch::KeywordMute.create!(account: alice, keyword: 'hot')
+
+        expect(matcher =~ 'This is a HOT take').to be_truthy
+      end
+
+      it 'matches keywords surrounded by non-alphanumeric ornamentation' do
+        Glitch::KeywordMute.create!(account: alice, keyword: 'hot')
+
+        expect(matcher =~ '(hot take)').to be_truthy
+      end
+
+      it 'escapes metacharacters in keywords' do
+        Glitch::KeywordMute.create!(account: alice, keyword: '(hot take)')
+
+        expect(matcher =~ '(hot take)').to be_truthy
+      end
+
+      it 'uses case-folding rules appropriate for more than just English' do
+        Glitch::KeywordMute.create!(account: alice, keyword: 'großeltern')
+
+        expect(matcher =~ 'besuch der grosseltern').to be_truthy
+      end
+
+      it 'matches keywords that are composed of multiple words' do
+        Glitch::KeywordMute.create!(account: alice, keyword: 'a shiitake')
+
+        expect(matcher =~ 'This is a shiitake').to be_truthy
+        expect(matcher =~ 'This is shiitake').to_not be_truthy
+      end
+    end
+  end
+end