Stop trying to shoehorn all Salmon updates into the poor database-connected

StreamEntry model. Simply render Salmon slaps as they are needed

spec/services/process_interaction_service_spec.rb

@@ -1,15 +1,93 @@
 require 'rails_helper'
 
 RSpec.describe ProcessInteractionService do
+  let(:receiver) { Fabricate(:user, email: 'alice@example.com', account: Fabricate(:account, username: 'alice')).account }
+  let(:sender)   { Fabricate(:user, email: 'bob@example.com', account: Fabricate(:account, username: 'bob')).account }
+
   subject { ProcessInteractionService.new }
 
-  it 'creates account for new remote user'
-  it 'updates account for existing remote user'
-  it 'ignores envelopes that do not address the local user'
-  it 'accepts a status that mentions the local user'
-  it 'accepts a status that is a reply to the local user\'s'
-  it 'accepts a favourite to a status by the local user'
-  it 'accepts a reblog of a status of the local user'
-  it 'accepts a follow of the local user'
-  it 'accepts an unfollow of the local user'
+  describe 'follow request slap' do
+    before do
+      receiver.update(locked: true)
+
+      payload = <<XML
+<entry xmlns="http://www.w3.org/2005/Atom" xmlns:activity="http://activitystrea.ms/spec/1.0/">
+  <author>
+    <name>bob</name>
+    <uri>https://cb6e6126.ngrok.io/users/bob</uri>
+  </author>
+
+  <id>someIdHere</id>
+  <activity:verb>http://activitystrea.ms/schema/1.0/request-friend</activity:verb>
+</entry>
+XML
+
+      envelope = OStatus2::Salmon.new.pack(payload, sender.keypair)
+      subject.call(envelope, receiver)
+    end
+
+    it 'creates a record' do
+      expect(FollowRequest.find_by(account: sender, target_account: receiver)).to_not be_nil
+    end
+  end
+
+  describe 'follow request authorization slap' do
+    before do
+      receiver.update(locked: true)
+      FollowRequest.create(account: sender, target_account: receiver)
+
+      payload = <<XML
+<entry xmlns="http://www.w3.org/2005/Atom" xmlns:activity="http://activitystrea.ms/spec/1.0/">
+  <author>
+    <name>alice</name>
+    <uri>https://cb6e6126.ngrok.io/users/alice</uri>
+  </author>
+
+  <id>someIdHere</id>
+  <activity:verb>http://activitystrea.ms/schema/1.0/authorize</activity:verb>
+</entry>
+XML
+
+      envelope = OStatus2::Salmon.new.pack(payload, receiver.keypair)
+      subject.call(envelope, sender)
+    end
+
+    it 'creates a follow relationship' do
+      expect(Follow.find_by(account: sender, target_account: receiver)).to_not be_nil
+    end
+
+    it 'removes the follow request' do
+      expect(FollowRequest.find_by(account: sender, target_account: receiver)).to be_nil
+    end
+  end
+
+  describe 'follow request rejection slap' do
+    before do
+      receiver.update(locked: true)
+      FollowRequest.create(account: sender, target_account: receiver)
+
+      payload = <<XML
+<entry xmlns="http://www.w3.org/2005/Atom" xmlns:activity="http://activitystrea.ms/spec/1.0/">
+  <author>
+    <name>alice</name>
+    <uri>https://cb6e6126.ngrok.io/users/alice</uri>
+  </author>
+
+  <id>someIdHere</id>
+  <activity:verb>http://activitystrea.ms/schema/1.0/reject</activity:verb>
+</entry>
+XML
+
+      envelope = OStatus2::Salmon.new.pack(payload, receiver.keypair)
+      subject.call(envelope, sender)
+    end
+
+    it 'does not create a follow relationship' do
+      expect(Follow.find_by(account: sender, target_account: receiver)).to be_nil
+    end
+
+    it 'removes the follow request' do
+      expect(FollowRequest.find_by(account: sender, target_account: receiver)).to be_nil
+    end
+  end
 end