Merge pull request #179 from glitch-soc/keyword-mute

Keyword muting

spec/controllers/settings/keyword_mutes_controller_spec.rb

@@ -0,0 +1,5 @@
+require 'rails_helper'
+
+RSpec.describe Settings::KeywordMutesController, type: :controller do
+
+end

spec/fabricators/glitch_keyword_mute_fabricator.rb

@@ -0,0 +1,2 @@
+Fabricator('Glitch::KeywordMute') do
+end

spec/helpers/settings/keyword_mutes_helper_spec.rb

@@ -0,0 +1,15 @@
+require 'rails_helper'
+
+# Specs in this file have access to a helper object that includes
+# the Settings::KeywordMutesHelper. For example:
+#
+# describe Settings::KeywordMutesHelper do
+#   describe "string concat" do
+#     it "concats two strings with spaces" do
+#       expect(helper.concat_strings("this","that")).to eq("this that")
+#     end
+#   end
+# end
+RSpec.describe Settings::KeywordMutesHelper, type: :helper do
+  pending "add some examples to (or delete) #{__FILE__}"
+end

spec/lib/feed_manager_spec.rb

@@ -119,6 +119,44 @@ RSpec.describe FeedManager do
         reblog = Fabricate(:status, reblog: status, account: jeff)
         expect(FeedManager.instance.filter?(:home, reblog, alice.id)).to be true
       end
+
+      it 'returns true for a status containing a muted keyword' do
+        Fabricate('Glitch::KeywordMute', account: alice, keyword: 'take')
+        status = Fabricate(:status, text: 'This is a hot take', account: bob)
+
+        expect(FeedManager.instance.filter?(:home, status, alice.id)).to be true
+      end
+
+      it 'returns true for a reply containing a muted keyword' do
+        Fabricate('Glitch::KeywordMute', account: alice, keyword: 'take')
+        s1 = Fabricate(:status, text: 'Something', account: alice)
+        s2 = Fabricate(:status, text: 'This is a hot take', thread: s1, account: bob)
+
+        expect(FeedManager.instance.filter?(:home, s2, alice.id)).to be true
+      end
+
+      it 'returns true for a status whose spoiler text contains a muted keyword' do
+        Fabricate('Glitch::KeywordMute', account: alice, keyword: 'take')
+        status = Fabricate(:status, spoiler_text: 'This is a hot take', account: bob)
+
+        expect(FeedManager.instance.filter?(:home, status, alice.id)).to be true
+      end
+
+      it 'returns true for a reblog containing a muted keyword' do
+        Fabricate('Glitch::KeywordMute', account: alice, keyword: 'take')
+        status = Fabricate(:status, text: 'This is a hot take', account: bob)
+        reblog = Fabricate(:status, reblog: status, account: jeff)
+
+        expect(FeedManager.instance.filter?(:home, reblog, alice.id)).to be true
+      end
+
+      it 'returns true for a reblog whose spoiler text contains a muted keyword' do
+        Fabricate('Glitch::KeywordMute', account: alice, keyword: 'take')
+        status = Fabricate(:status, spoiler_text: 'This is a hot take', account: bob)
+        reblog = Fabricate(:status, reblog: status, account: jeff)
+
+        expect(FeedManager.instance.filter?(:home, reblog, alice.id)).to be true
+      end
     end
 
     context 'for mentions feed' do
@@ -147,6 +185,13 @@ RSpec.describe FeedManager do
         bob.follow!(alice)
         expect(FeedManager.instance.filter?(:mentions, status, bob.id)).to be false
       end
+
+      it 'returns true for status that contains a muted keyword' do
+        Fabricate('Glitch::KeywordMute', account: bob, keyword: 'take')
+        status = Fabricate(:status, text: 'This is a hot take', account: alice)
+        bob.follow!(alice)
+        expect(FeedManager.instance.filter?(:mentions, status, bob.id)).to be true
+      end
     end
   end
 

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