Add tests for SuspendAccountService and UnsuspendAccountService (#16627)

* Add tests for SuspendAccountService

* Add tests for UnsuspendAccountService

spec/services/suspend_account_service_spec.rb

+require 'rails_helper'
+
+RSpec.describe SuspendAccountService, type: :service do
+  shared_examples 'common behavior' do
+    let!(:local_follower) { Fabricate(:user, current_sign_in_at: 1.hour.ago).account }
+    let!(:list)           { Fabricate(:list, account: local_follower) }
+
+    subject do
+      -> { described_class.new.call(account) }
+    end
+
+    before do
+      allow(FeedManager.instance).to receive(:unmerge_from_home).and_return(nil)
+      allow(FeedManager.instance).to receive(:unmerge_from_list).and_return(nil)
+
+      local_follower.follow!(account)
+      list.accounts << account
+    end
+
+    it "unmerges from local followers' feeds" do
+      subject.call
+      expect(FeedManager.instance).to have_received(:unmerge_from_home).with(account, local_follower)
+      expect(FeedManager.instance).to have_received(:unmerge_from_list).with(account, list)
+    end
+
+    it 'marks account as suspended' do
+      is_expected.to change { account.suspended? }.from(false).to(true)
+    end
+  end
+
+  describe 'suspending a local account' do
+    def match_update_actor_request(req, account)
+      json = JSON.parse(req.body)
+      actor_id = ActivityPub::TagManager.instance.uri_for(account)
+      json['type'] == 'Update' && json['actor'] == actor_id && json['object']['id'] == actor_id && json['object']['suspended']
+    end
+
+    before do
+      stub_request(:post, 'https://alice.com/inbox').to_return(status: 201)
+      stub_request(:post, 'https://bob.com/inbox').to_return(status: 201)
+    end
+
+    include_examples 'common behavior' do
+      let!(:account)         { Fabricate(:account) }
+      let!(:remote_follower) { Fabricate(:account, uri: 'https://alice.com', inbox_url: 'https://alice.com/inbox', protocol: :activitypub) }
+      let!(:remote_reporter) { Fabricate(:account, uri: 'https://bob.com', inbox_url: 'https://bob.com/inbox', protocol: :activitypub) }
+      let!(:report)          { Fabricate(:report, account: remote_reporter, target_account: account) }
+
+      before do
+        remote_follower.follow!(account)
+      end
+
+      it 'sends an update actor to followers and reporters' do
+        subject.call
+        expect(a_request(:post, remote_follower.inbox_url).with { |req| match_update_actor_request(req, account) }).to have_been_made.once
+        expect(a_request(:post, remote_reporter.inbox_url).with { |req| match_update_actor_request(req, account) }).to have_been_made.once
+      end
+    end
+  end
+
+  describe 'suspending a remote account' do
+    def match_reject_follow_request(req, account, followee)
+      json = JSON.parse(req.body)
+      json['type'] == 'Reject' && json['actor'] == ActivityPub::TagManager.instance.uri_for(followee) && json['object']['actor'] == account.uri
+    end
+
+    before do
+      stub_request(:post, 'https://bob.com/inbox').to_return(status: 201)
+    end
+
+    include_examples 'common behavior' do
+      let!(:account)        { Fabricate(:account, domain: 'bob.com', uri: 'https://bob.com', inbox_url: 'https://bob.com/inbox', protocol: :activitypub) }
+      let!(:local_followee) { Fabricate(:account) }
+
+      before do
+        account.follow!(local_followee)
+      end
+
+      it 'sends a reject follow' do
+        subject.call
+        expect(a_request(:post, account.inbox_url).with { |req| match_reject_follow_request(req, account, local_followee) }).to have_been_made.once
+      end
+    end
+  end
+end

spec/services/unsuspend_account_service_spec.rb

+require 'rails_helper'
+
+RSpec.describe UnsuspendAccountService, type: :service do
+  shared_examples 'common behavior' do
+    let!(:local_follower) { Fabricate(:user, current_sign_in_at: 1.hour.ago).account }
+    let!(:list)           { Fabricate(:list, account: local_follower) }
+
+    subject do
+      -> { described_class.new.call(account) }
+    end
+
+    before do
+      allow(FeedManager.instance).to receive(:merge_into_home).and_return(nil)
+      allow(FeedManager.instance).to receive(:merge_into_list).and_return(nil)
+
+      local_follower.follow!(account)
+      list.accounts << account
+
+      account.suspend!(origin: :local)
+    end
+  end
+
+  describe 'unsuspending a local account' do
+    def match_update_actor_request(req, account)
+      json = JSON.parse(req.body)
+      actor_id = ActivityPub::TagManager.instance.uri_for(account)
+      json['type'] == 'Update' && json['actor'] == actor_id && json['object']['id'] == actor_id && !json['object']['suspended']
+    end
+
+    before do
+      stub_request(:post, 'https://alice.com/inbox').to_return(status: 201)
+      stub_request(:post, 'https://bob.com/inbox').to_return(status: 201)
+    end
+
+    it 'marks account as unsuspended' do
+      is_expected.to change { account.suspended? }.from(true).to(false)
+    end
+
+    include_examples 'common behavior' do
+      let!(:account)         { Fabricate(:account) }
+      let!(:remote_follower) { Fabricate(:account, uri: 'https://alice.com', inbox_url: 'https://alice.com/inbox', protocol: :activitypub) }
+      let!(:remote_reporter) { Fabricate(:account, uri: 'https://bob.com', inbox_url: 'https://bob.com/inbox', protocol: :activitypub) }
+      let!(:report)          { Fabricate(:report, account: remote_reporter, target_account: account) }
+
+      before do
+        remote_follower.follow!(account)
+      end
+
+      it "merges back into local followers' feeds" do
+        subject.call
+        expect(FeedManager.instance).to have_received(:merge_into_home).with(account, local_follower)
+        expect(FeedManager.instance).to have_received(:merge_into_list).with(account, list)
+      end
+
+      it 'sends an update actor to followers and reporters' do
+        subject.call
+        expect(a_request(:post, remote_follower.inbox_url).with { |req| match_update_actor_request(req, account) }).to have_been_made.once
+        expect(a_request(:post, remote_reporter.inbox_url).with { |req| match_update_actor_request(req, account) }).to have_been_made.once
+      end
+    end
+  end
+
+  describe 'unsuspending a remote account' do
+    include_examples 'common behavior' do
+      let!(:account)                 { Fabricate(:account, domain: 'bob.com', uri: 'https://bob.com', inbox_url: 'https://bob.com/inbox', protocol: :activitypub) }
+      let!(:reslove_account_service) { double }
+
+      before do
+        allow(ResolveAccountService).to receive(:new).and_return(reslove_account_service)
+      end
+
+      context 'when the account is not remotely suspended' do
+        before do
+          allow(reslove_account_service).to receive(:call).with(account).and_return(account)
+        end
+
+        it 're-fetches the account' do
+          subject.call
+          expect(reslove_account_service).to have_received(:call).with(account)
+        end
+
+        it "merges back into local followers' feeds" do
+          subject.call
+          expect(FeedManager.instance).to have_received(:merge_into_home).with(account, local_follower)
+          expect(FeedManager.instance).to have_received(:merge_into_list).with(account, list)
+        end
+
+        it 'marks account as unsuspended' do
+          is_expected.to change { account.suspended? }.from(true).to(false)
+        end
+      end
+
+      context 'when the account is remotely suspended' do
+        before do
+          allow(reslove_account_service).to receive(:call).with(account) do |account|
+            account.suspend!(origin: :remote)
+            account
+          end
+        end
+
+        it 're-fetches the account' do
+          subject.call
+          expect(reslove_account_service).to have_received(:call).with(account)
+        end
+
+        it "does not merge back into local followers' feeds" do
+          subject.call
+          expect(FeedManager.instance).to_not have_received(:merge_into_home).with(account, local_follower)
+          expect(FeedManager.instance).to_not have_received(:merge_into_list).with(account, list)
+        end
+
+        it 'does not mark the account as unsuspended' do
+          is_expected.not_to change { account.suspended? }
+        end
+      end
+
+      context 'when the account is remotely deleted' do
+        before do
+          allow(reslove_account_service).to receive(:call).with(account).and_return(nil)
+        end
+
+        it 're-fetches the account' do
+          subject.call
+          expect(reslove_account_service).to have_received(:call).with(account)
+        end
+
+        it "does not merge back into local followers' feeds" do
+          subject.call
+          expect(FeedManager.instance).to_not have_received(:merge_into_home).with(account, local_follower)
+          expect(FeedManager.instance).to_not have_received(:merge_into_list).with(account, list)
+        end
+      end
+    end
+  end
+end