他サーバーからカスタム絵文字によるスタンプを受け取った時に、ライセンス情報を保存する＋ついでにテスト (#65)

* Wip: スタンプを他サーバーから受信するテスト作成、カスタム絵文字にdomainプロパティを追加

* Wip: ドメインに関するイレギュラーな状況に対応

* Wip: 他のサーバーのカスタム絵文字を送信するときのID変更処理を追加

* Wip: カスタム絵文字のIDを判定する場所を変更

* Wip: カスタム絵文字のURIを返す処理を削除（不要）

* Wip: 絵文字リアクション受け入れ処理リファクタリング

* Wip: 外部へ送信するカスタム絵文字データにライセンス情報を追加、ライセンス情報の受信をテストに追加

* Wip: ドメインブロックのテストを追加

* Wip: ついでに通常のドメインブロックを追加

spec/lib/activitypub/activity/like_spec.rb

@@ -29,6 +29,225 @@ RSpec.describe ActivityPub::Activity::Like do
     end
   end
 
+  describe '#perform when receive emoji reaction' do
+    subject do
+      described_class.new(json, sender).perform
+      EmojiReaction.where(status: status)
+    end
+
+    before do
+      stub_request(:get, 'http://example.com/emoji.png').to_return(body: attachment_fixture('emojo.png'))
+    end
+
+    let(:json) do
+      {
+        '@context': 'https://www.w3.org/ns/activitystreams',
+        id: 'foo',
+        type: 'Like',
+        actor: ActivityPub::TagManager.instance.uri_for(sender),
+        object: ActivityPub::TagManager.instance.uri_for(status),
+        content: content,
+        tag: tag,
+      }.with_indifferent_access
+    end
+    let(:content) { nil }
+    let(:tag) { nil }
+
+    context 'with unicode emoji' do
+      let(:content) { '😀' }
+
+      it 'create emoji reaction' do
+        expect(subject.count).to eq 1
+        expect(subject.first.name).to eq '😀'
+        expect(subject.first.account).to eq sender
+        expect(sender.favourited?(status)).to be false
+      end
+    end
+
+    context 'with custom emoji' do
+      let(:content) { ':tinking:' }
+      let(:tag) do
+        {
+          id: 'https://example.com/aaa',
+          type: 'Emoji',
+          icon: {
+            url: 'http://example.com/emoji.png',
+          },
+          name: 'tinking',
+          license: 'Everyone but Ohagi',
+        }
+      end
+
+      it 'create emoji reaction' do
+        expect(subject.count).to eq 1
+        expect(subject.first.name).to eq 'tinking'
+        expect(subject.first.account).to eq sender
+        expect(subject.first.custom_emoji).to_not be_nil
+        expect(subject.first.custom_emoji.shortcode).to eq 'tinking'
+        expect(subject.first.custom_emoji.domain).to eq 'example.com'
+        expect(sender.favourited?(status)).to be false
+      end
+
+      it 'custom emoji license is saved' do
+        expect(subject.first.custom_emoji.license).to eq 'Everyone but Ohagi'
+      end
+    end
+
+    context 'with custom emoji and custom domain' do
+      let(:content) { ':tinking:' }
+      let(:tag) do
+        {
+          id: 'https://example.com/aaa',
+          type: 'Emoji',
+          domain: 'post.kmycode.net',
+          icon: {
+            url: 'http://example.com/emoji.png',
+          },
+          name: 'tinking',
+        }
+      end
+
+      it 'create emoji reaction' do
+        expect(subject.count).to eq 1
+        expect(subject.first.name).to eq 'tinking'
+        expect(subject.first.account).to eq sender
+        expect(subject.first.custom_emoji).to_not be_nil
+        expect(subject.first.custom_emoji.shortcode).to eq 'tinking'
+        expect(subject.first.custom_emoji.domain).to eq 'post.kmycode.net'
+        expect(sender.favourited?(status)).to be false
+      end
+    end
+
+    context 'with custom emoji but invalid id' do
+      let(:content) { ':tinking:' }
+      let(:tag) do
+        {
+          id: 'aaa',
+          type: 'Emoji',
+          icon: {
+            url: 'http://example.com/emoji.png',
+          },
+          name: 'tinking',
+        }
+      end
+
+      it 'create emoji reaction' do
+        expect(subject.count).to eq 1
+        expect(subject.first.name).to eq 'tinking'
+        expect(subject.first.account).to eq sender
+        expect(subject.first.custom_emoji).to_not be_nil
+        expect(subject.first.custom_emoji.shortcode).to eq 'tinking'
+        expect(subject.first.custom_emoji.domain).to eq 'example.com'
+        expect(sender.favourited?(status)).to be false
+      end
+    end
+
+    context 'with custom emoji but local domain' do
+      let(:content) { ':tinking:' }
+      let(:tag) do
+        {
+          id: 'aaa',
+          type: 'Emoji',
+          domain: Rails.configuration.x.local_domain,
+          icon: {
+            url: 'http://example.com/emoji.png',
+          },
+          name: 'tinking',
+        }
+      end
+
+      it 'create emoji reaction' do
+        expect(subject.count).to eq 1
+        expect(subject.first.name).to eq 'tinking'
+        expect(subject.first.account).to eq sender
+        expect(subject.first.custom_emoji).to_not be_nil
+        expect(subject.first.custom_emoji.shortcode).to eq 'tinking'
+        expect(subject.first.custom_emoji.domain).to be_nil
+        expect(sender.favourited?(status)).to be false
+      end
+    end
+
+    context 'with unicode emoji and reject_media enabled' do
+      let(:content) { '😀' }
+
+      before do
+        Fabricate(:domain_block, domain: 'example.com', severity: :noop, reject_media: true)
+      end
+
+      it 'create emoji reaction' do
+        expect(subject.count).to eq 1
+        expect(subject.first.name).to eq '😀'
+        expect(subject.first.account).to eq sender
+        expect(sender.favourited?(status)).to be false
+      end
+    end
+
+    context 'with custom emoji and reject_media enabled' do
+      let(:content) { ':tinking:' }
+      let(:tag) do
+        {
+          id: 'https://example.com/aaa',
+          type: 'Emoji',
+          icon: {
+            url: 'http://example.com/emoji.png',
+          },
+          name: 'tinking',
+        }
+      end
+
+      before do
+        Fabricate(:domain_block, domain: 'example.com', severity: :noop, reject_media: true)
+      end
+
+      it 'create emoji reaction' do
+        expect(subject.count).to eq 0
+        expect(sender.favourited?(status)).to be false
+      end
+    end
+
+    context 'when emoji reaction is disabled' do
+      let(:content) { '😀' }
+
+      before do
+        Form::AdminSettings.new(enable_emoji_reaction: false).save
+      end
+
+      it 'create emoji reaction' do
+        expect(subject.count).to eq 0
+        expect(sender.favourited?(status)).to be true
+      end
+    end
+
+    context 'when emoji reaction between other servers is disabled' do
+      let(:recipient) { Fabricate(:account, domain: 'narrow.com', uri: 'https://narrow.com/') }
+      let(:content) { '😀' }
+
+      before do
+        Form::AdminSettings.new(receive_other_servers_emoji_reaction: false).save
+      end
+
+      it 'create emoji reaction' do
+        expect(subject.count).to eq 0
+        expect(sender.favourited?(status)).to be false
+      end
+    end
+
+    context 'when emoji reaction between other servers is disabled but that status is local' do
+      let(:content) { '😀' }
+
+      before do
+        Form::AdminSettings.new(receive_other_servers_emoji_reaction: false).save
+      end
+
+      it 'create emoji reaction' do
+        expect(subject.count).to eq 1
+        expect(subject.first.name).to eq '😀'
+        expect(subject.first.account).to eq sender
+        expect(sender.favourited?(status)).to be false
+      end
+    end
+  end
+
   describe '#perform when domain_block' do
     subject { described_class.new(json, sender) }
 
@@ -50,7 +269,7 @@ RSpec.describe ActivityPub::Activity::Like do
       subject.perform
     end
 
-    it 'does not create a favourite from sender to status', pending: 'considering spec' do
+    it 'does not create a favourite from sender to status' do
       expect(sender.favourited?(status)).to be false
     end
   end