Add more cases to search spec

spec/requests/api/v2/search_spec.rb

@@ -85,27 +85,66 @@ describe 'Search API' do
         end
 
         context 'when a remote actor username has changed' do
-          let(:remote_actor_original_username) { 'original_username' }
+          let!(:remote_actor_keypair) do
-          let(:remote_actor) do
+            OpenSSL::PKey.read(<<~PEM_TEXT)
+              -----BEGIN RSA PRIVATE KEY-----
+              MIIEowIBAAKCAQEAqIAYvNFGbZ5g4iiK6feSdXD4bDStFM58A7tHycYXaYtzZQpI
+              eHXAmaXuZzXIwtrP4N0gIk8JNwZvXj2UPS+S07t0V9wNK94he01LV5EMz/GN4eNn
+              FmDL64HIEuKLvV8TvgjbUPRD6Y5X0UpKi2ZIFLSb96Q5w0Z/k7ntpVKV52y8kz5F
+              jr/O/0JuHryZe0yItzJh8kzFfeMf0EXzfSnaKvT7P9jhgC6uTre+jXyvVZjiHDrn
+              qvvucdI3I7DRfXo1OqARBrLjy+TdseUAjNYJ+OuPRI1URIWQI01DCHqcohVu9+Ar
+              +BiCjFp3ua+XMuJvrvbD61d1Fvig/9nbBRR+8QIDAQABAoIBAAgySHnFWI6gItR3
+              fkfiqIm80cHCN3Xk1C6iiVu+3oBOZbHpW9R7vl9e/WOA/9O+LPjiSsQOegtWnVvd
+              RRjrl7Hj20VDlZKv5Mssm6zOGAxksrcVbqwdj+fUJaNJCL0AyyseH0x/IE9T8rDC
+              I1GH+3tB3JkhkIN/qjipdX5ab8MswEPu8IC4ViTpdBgWYY/xBcAHPw4xuL0tcwzh
+              FBlf4DqoEVQo8GdK5GAJ2Ny0S4xbXHUURzx/R4y4CCts7niAiLGqd9jmLU1kUTMk
+              QcXfQYK6l+unLc7wDYAz7sFEHh04M48VjWwiIZJnlCqmQbLda7uhhu8zkF1DqZTu
+              ulWDGQECgYEA0TIAc8BQBVab979DHEEmMdgqBwxLY3OIAk0b+r50h7VBGWCDPRsC
+              STD73fQY3lNet/7/jgSGwwAlAJ5PpMXxXiZAE3bUwPmHzgF7pvIOOLhA8O07tHSO
+              L2mvQe6NPzjZ+6iAO2U9PkClxcvGvPx2OBvisfHqZLmxC9PIVxzruQECgYEAzjM6
+              BTUXa6T/qHvLFbN699BXsUOGmHBGaLRapFDBfVvgZrwqYQcZpBBhesLdGTGSqwE7
+              gWsITPIJ+Ldo+38oGYyVys+w/V67q6ud7hgSDTW3hSvm+GboCjk6gzxlt9hQ0t9X
+              8vfDOYhEXvVUJNv3mYO60ENqQhILO4bQ0zi+VfECgYBb/nUccfG+pzunU0Cb6Dp3
+              qOuydcGhVmj1OhuXxLFSDG84Tazo7juvHA9mp7VX76mzmDuhpHPuxN2AzB2SBEoE
+              cSW0aYld413JRfWukLuYTc6hJHIhBTCRwRQFFnae2s1hUdQySm8INT2xIc+fxBXo
+              zrp+Ljg5Wz90SAnN5TX0AQKBgDaatDOq0o/r+tPYLHiLtfWoE4Dau+rkWJDjqdk3
+              lXWn/e3WyHY3Vh/vQpEqxzgju45TXjmwaVtPATr+/usSykCxzP0PMPR3wMT+Rm1F
+              rIoY/odij+CaB7qlWwxj0x/zRbwB7x1lZSp4HnrzBpxYL+JUUwVRxPLIKndSBTza
+              GvVRAoGBAIVBcNcRQYF4fvZjDKAb4fdBsEuHmycqtRCsnkGOz6ebbEQznSaZ0tZE
+              +JuouZaGjyp8uPjNGD5D7mIGbyoZ3KyG4mTXNxDAGBso1hrNDKGBOrGaPhZx8LgO
+              4VXJ+ybXrATf4jr8ccZYsZdFpOphPzz+j55Mqg5vac5P1XjmsGTb
+              -----END RSA PRIVATE KEY-----
+            PEM_TEXT
+          end
+          let!(:remote_actor_inbox_url) { 'https://remote.domain/users/bob/inbox' }
+          let!(:remote_actor_original_username) { 'original_username' }
+          let!(:remote_actor) do
             Fabricate(:account,
                       domain: 'remote.domain',
                       uri: 'https://remote.domain/users/bob',
                       private_key: nil,
+                      public_key: remote_actor_keypair.public_key.to_pem,
                       username: remote_actor_original_username,
-                      protocol: 1) # activitypub
+                      protocol: 1, # activitypub
+                      inbox_url: remote_actor_inbox_url)
           end
-          let(:remote_actor_new_username) { 'new_username' }
+          let!(:remote_actor_old_handle) { "#{remote_actor_original_username}@remote.domain" }
-          let(:remote_actor_json) do
+          let!(:remote_actor_new_username) { 'new_username' }
+          let!(:remote_actor_json) do
             {
               '@context': 'https://www.w3.org/ns/activitystreams',
               id: remote_actor.uri,
               type: 'Person',
               preferredUsername: remote_actor_new_username,
-              inbox: "#{remote_actor.uri}#inbox",
+              inbox: remote_actor.inbox_url,
+              publicKey: {
+                id: "#{remote_actor.uri}#main-key",
+                owner: remote_actor.uri,
+                publicKeyPem: remote_actor.public_key,
+              },
             }.with_indifferent_access
           end
-          let(:remote_actor_new_handle) { "#{remote_actor_new_username}@remote.domain" }
+          let!(:remote_actor_new_handle) { "#{remote_actor_new_username}@remote.domain" }
-          let(:params) { { q: remote_actor_new_handle, resolve: '1' } }
           let(:webfinger_response) do
             {
               subject: "acct:#{remote_actor_new_handle}",
@@ -121,6 +160,7 @@ describe 'Search API' do
 
           before do
             sign_in(user)
+            tom.follow!(remote_actor)
             stub_request(:get, "https://remote.domain/.well-known/webfinger?resource=acct:#{remote_actor_new_handle}")
               .to_return(
                 body: webfinger_response.to_json,
@@ -137,18 +177,100 @@ describe 'Search API' do
                 },
                 status: 200
               )
+            Sidekiq::Testing.inline!
           end
 
+          context 'when requesting the old handle' do
+            let!(:params) { { q: remote_actor_old_handle, resolve: '1' } }
+
+            it 'does not increase the number of accounts' do
+              expect do
+                get '/api/v2/search', headers: headers, params: params
+              end.to(not_change { Account.count })
+            end
+
+            it 'does not change the remote actor account' do
+              get '/api/v2/search', headers: headers, params: params
+              expect(remote_actor.reload.username).to eq(remote_actor_original_username)
+            end
+
+            it 'returns the remote actor account' do
+              get '/api/v2/search', headers: headers, params: params
+              expect(body_as_json[:accounts].pluck(:id)).to contain_exactly(remote_actor.id.to_s)
+            end
+          end
+
+          context 'when requesting the old handle of a stale account' do
+            let!(:params) { { q: remote_actor_old_handle, resolve: '1' } }
+
+            before do
+              stub_request(:get, 'https://remote.domain/.well-known/host-meta').to_return(status: 404)
+              remote_actor.update(last_webfingered_at: 2.days.ago)
+            end
+
+            it 'makes a webfinger request with the old handle' do
+              stub_request(:get, "https://remote.domain/.well-known/webfinger?resource=acct:#{remote_actor_old_handle}")
+              get '/api/v2/search', headers: headers, params: params
+              expect(
+                a_request(
+                  :get,
+                  "https://remote.domain/.well-known/webfinger?resource=acct:#{remote_actor_old_handle}"
+                )
+              ).to have_been_made.once
+            end
+
+            it 'does nothing if the webfinger request returns not found' do
+              stub_request(:get, "https://remote.domain/.well-known/webfinger?resource=acct:#{remote_actor_old_handle}")
+                .to_return(
+                  status: 404
+                )
+              get '/api/v2/search', headers: headers, params: params
+              expect(body_as_json[:accounts].empty?).to be(true)
+              expect(remote_actor.reload.username).to eq(remote_actor_original_username)
+            end
+
+            it 'merges the old account with the new account if the webfinger request succeeds' do
+              stub_request(:get, "https://remote.domain/.well-known/webfinger?resource=acct:#{remote_actor_old_handle}")
+                .to_return(
+                  body: {
+                    subject: "acct:#{remote_actor_old_handle}",
+                    links: [
+                      {
+                        rel: 'self',
+                        type: 'application/activity+json',
+                        href: remote_actor.uri,
+                      },
+                    ],
+                  }.to_json,
+                  headers: {
+                    'Content-Type' => 'application/json',
+                  },
+                  status: 200
+                )
+              expect do
+                get '/api/v2/search', headers: headers, params: params
+              end.to(not_change { Account.count })
+
+              expect(Account.exists?(id: remote_actor.id)).to be(false)
+              new_remote_actor = Account.find_by(
+                uri: remote_actor.uri,
+                username: remote_actor_new_username
+              )
+              expect(new_remote_actor.present?).to be(true)
+              expect(tom.following?(new_remote_actor)).to be(true)
+            end
+          end
+
+          context 'when requesting the new handle' do
+            let(:params) { { q: remote_actor_new_handle, resolve: '1' } }
+
             it 'does not increase the number of accounts' do
-            Sidekiq::Testing.inline!
               expect do
                 get '/api/v2/search', headers: headers, params: params
               end.to(not_change { Account.count })
             end
 
             it 'merges the old account with the new account' do
-            Sidekiq::Testing.inline!
-            tom.follow!(remote_actor)
               get '/api/v2/search', headers: headers, params: params
               expect(Account.exists?(id: remote_actor.id)).to be(false)
               new_remote_actor = Account.find_by(
@@ -160,6 +282,7 @@ describe 'Search API' do
             end
           end
         end
+      end
 
       context 'when search raises syntax error' do
         before { allow(Search).to receive(:new).and_raise(Mastodon::SyntaxError) }