Cover StreamEntriesController more and remove redundant instructions (#3257)

* Cover StreamEntriesController more

* Remove redundant instructions in StreamEntriesController

app/controllers/stream_entries_controller.rb

@@ -11,12 +11,8 @@ class StreamEntriesController < ApplicationController
   def show
     respond_to do |format|
       format.html do
-        return gone if @stream_entry.activity.nil?
-
-        if @stream_entry.activity_type == 'Status'
-          @ancestors   = @stream_entry.activity.reply? ? cache_collection(@stream_entry.activity.ancestors(current_account), Status) : []
-          @descendants = cache_collection(@stream_entry.activity.descendants(current_account), Status)
-        end
+        @ancestors   = @stream_entry.activity.reply? ? cache_collection(@stream_entry.activity.ancestors(current_account), Status) : []
+        @descendants = cache_collection(@stream_entry.activity.descendants(current_account), Status)
       end
 
       format.atom do
@@ -46,7 +42,7 @@ class StreamEntriesController < ApplicationController
     @stream_entry = @account.stream_entries.where(activity_type: 'Status').find(params[:id])
     @type         = @stream_entry.activity_type.downcase
 
-    raise ActiveRecord::RecordNotFound if @stream_entry.activity.nil? || (@stream_entry.hidden? && (@stream_entry.activity_type != 'Status' || (@stream_entry.activity_type == 'Status' && !@stream_entry.activity.permitted?(current_account))))
+    raise ActiveRecord::RecordNotFound if @stream_entry.activity.nil? || (@stream_entry.hidden? && !@stream_entry.activity.permitted?(current_account))
   end
 
   def check_account_suspension

spec/controllers/stream_entries_controller_spec.rb

@@ -3,24 +3,95 @@ require 'rails_helper'
 RSpec.describe StreamEntriesController, type: :controller do
   render_views
 
-  let(:alice)  { Fabricate(:account, username: 'alice') }
-  let(:status) { Fabricate(:status, account: alice) }
+  shared_examples 'before_action' do |route|
+    context 'when account is not suspended anbd stream_entry is available' do
+      it 'assigns instance variables' do
+        status = Fabricate(:status)
+
+        get route, params: { account_username: status.account.username, id: status.stream_entry.id }
+
+        expect(assigns(:account)).to eq status.account
+        expect(assigns(:stream_entry)).to eq status.stream_entry
+        expect(assigns(:type)).to eq 'status'
+      end
+
+      it 'sets Link headers' do
+        alice = Fabricate(:account, username: 'alice')
+        status = Fabricate(:status, account: alice)
+
+        get route, params: { account_username: alice.username, id: status.stream_entry.id }
+
+        expect(response.headers['Link'].to_s).to eq "<http://test.host/users/alice/updates/#{status.stream_entry.id}.atom>; rel=\"alternate\"; type=\"application/atom+xml\""
+      end
+    end
+
+    context 'when account is suspended' do
+      it 'returns http status 410' do
+        account = Fabricate(:account, suspended: true)
+        status = Fabricate(:status, account: account)
+
+        get route, params: { account_username: account.username, id: status.stream_entry.id }
+
+        expect(response).to have_http_status(410)
+      end
+    end
+
+    context 'when activity is nil' do
+      it 'raises ActiveRecord::RecordNotFound' do
+        account = Fabricate(:account)
+        stream_entry = Fabricate.build(:stream_entry, account: account, activity: nil, activity_type: 'Status')
+        stream_entry.save!(validate: false)
+
+        get route, params: { account_username: account.username, id: stream_entry.id }
+
+        expect(response).to have_http_status(404)
+      end
+    end
+
+    context 'when it is hidden and it is not permitted' do
+      it 'raises ActiveRecord::RecordNotFound' do
+        status = Fabricate(:status)
+        user = Fabricate(:user)
+        status.account.block!(user.account)
+        status.stream_entry.update!(hidden: true)
+
+        sign_in(user)
+        get route, params: { account_username: status.account.username, id: status.stream_entry.id }
+
+        expect(response).to have_http_status(404)
+      end
+    end
+  end
 
   describe 'GET #show' do
-    it 'returns http success with HTML' do
-      get :show, params: { account_username: alice.username, id: status.stream_entry.id }
+    include_examples 'before_action', :show
+
+    it 'renders with HTML' do
+      ancestor = Fabricate(:status)
+      status = Fabricate(:status, in_reply_to_id: ancestor.id)
+      descendant = Fabricate(:status, in_reply_to_id: status.id)
+
+      get :show, params: { account_username: status.account.username, id: status.stream_entry.id }
+
+      expect(assigns(:ancestors)).to match_array([ancestor])
+      expect(assigns(:descendants)).to match_array([descendant])
       expect(response).to have_http_status(:success)
     end
 
     it 'returns http success with Atom' do
-      get :show, params: { account_username: alice.username, id: status.stream_entry.id }, format: 'atom'
+      status = Fabricate(:status)
+      get :show, params: { account_username: status.account.username, id: status.stream_entry.id }, format: 'atom'
       expect(response).to have_http_status(:success)
     end
   end
 
   describe 'GET #embed' do
+    include_examples 'before_action', :embed
+
     it 'returns embedded view of status' do
-      get :embed, params: { account_username: alice.username, id: status.stream_entry.id }
+      status = Fabricate(:status)
+
+      get :embed, params: { account_username: status.account.username, id: status.stream_entry.id }
 
       expect(response).to have_http_status(:success)
       expect(response.headers['X-Frame-Options']).to eq 'ALLOWALL'