Examples for Status#set_locality and .as_tag_timeline.

This commit also:

- exposes the local-only emoji so that it can be used in examples
- allows local_only to be set explicitly, i.e. for timeline filtering
  specs

app/models/status.rb

@@ -276,7 +276,11 @@ class Status < ApplicationRecord
 
   def marked_local_only?
     # match both with and without U+FE0F (the emoji variation selector)
-    /👁\ufe0f?\z/.match?(content)
+    /#{local_only_emoji}\ufe0f?\z/.match?(content)
+  end
+
+  def local_only_emoji
+    '👁'
   end
 
   private
@@ -305,7 +309,7 @@ class Status < ApplicationRecord
   end
 
   def set_locality
-    if account.domain.nil?
+    if account.domain.nil? && !attribute_changed?(:local_only)
       self.local_only = marked_local_only?
     end
   end

spec/models/status_spec.rb

@@ -197,6 +197,43 @@ RSpec.describe Status, type: :model do
     end
   end
 
+  describe 'on create' do
+    let(:local_account) { Fabricate(:account, username: 'local', domain: nil) }
+    let(:remote_account) { Fabricate(:account, username: 'remote', domain: 'example.com') }
+
+    subject { Status.new }
+
+    describe 'on a status that ends with the local-only emoji' do
+      before do
+        subject.text = 'A toot ' + subject.local_only_emoji
+      end
+
+      context 'if the status originates from this instance' do
+        before do
+          subject.account = local_account
+        end
+
+        it 'is marked local-only' do
+          subject.save!
+
+          expect(subject).to be_local_only
+        end
+      end
+
+      context 'if the status is remote' do
+        before do
+          subject.account = remote_account
+        end
+
+        it 'is not marked local-only' do
+          subject.save!
+
+          expect(subject).to_not be_local_only
+        end
+      end
+    end
+  end
+
   describe '.mutes_map' do
     let(:status)  { Fabricate(:status) }
     let(:account) { Fabricate(:account) }
@@ -570,6 +607,27 @@ RSpec.describe Status, type: :model do
       results = Status.as_tag_timeline(tag)
       expect(results).to include(status)
     end
+
+    context 'on a local-only status' do
+      let(:tag) { Fabricate(:tag) }
+      let(:status) { Fabricate(:status, local_only: true, tags: [tag]) }
+
+      context 'if account is nil' do
+        let(:account) { nil }
+
+        it 'filters the local-only status out of the result set' do
+          expect(Status.as_tag_timeline(tag, account)).not_to include(status)
+        end
+      end
+
+      context 'if account is not nil and local' do
+        let(:account) { Fabricate(:account, domain: nil) }
+
+        it 'keeps the local-only status in the result set' do
+          expect(Status.as_tag_timeline(tag, account)).to include(status)
+        end
+      end
+    end
   end
 
   describe '.permitted_for' do