Rewrite account_controller_spec (#5633)

* make accounts_controller_spec DRY

* Add blocked user spec

spec/controllers/accounts_controller_spec.rb

@@ -4,6 +4,7 @@ RSpec.describe AccountsController, type: :controller do
   render_views
 
   let(:alice)  { Fabricate(:account, username: 'alice') }
+  let(:eve)  { Fabricate(:user) }
 
   describe 'GET #show' do
     let!(:status1) { Status.create!(account: alice, text: 'Hello world') }
@@ -19,93 +20,123 @@ RSpec.describe AccountsController, type: :controller do
     let!(:status_pin3) { StatusPin.create!(account: alice, status: status7, created_at: 10.minutes.ago) }
 
     before do
+      alice.block!(eve.account)
       status3.media_attachments.create!(account: alice, file: fixture_file_upload('files/attachment.jpg', 'image/jpeg'))
     end
 
-    context 'atom' do
+    shared_examples 'responses' do
       before do
-        get :show, params: { username: alice.username, max_id: status4.stream_entry.id, since_id: status1.stream_entry.id }, format: 'atom'
+        sign_in(current_user) if defined? current_user
+        get :show, params: {
+          username: alice.username,
+          max_id: (max_id if defined? max_id),
+          since_id: (since_id if defined? since_id),
+          current_user: (current_user if defined? current_user),
+        }, format: format
       end
 
       it 'assigns @account' do
         expect(assigns(:account)).to eq alice
       end
 
-      it 'assigns @entries' do
-        entries = assigns(:entries).to_a
-        expect(entries.size).to eq 2
-        expect(entries[0].status).to eq status3
-        expect(entries[1].status).to eq status2
+      it 'returns http success' do
+        expect(response).to have_http_status(:success)
       end
 
-      it 'returns http success with Atom' do
-        expect(response).to have_http_status(:success)
+      it 'returns correct format' do
+        expect(response.content_type).to eq content_type
+      end
+    end
+
+    context 'atom' do
+      let(:format) { 'atom' }
+      let(:content_type) { 'application/atom+xml' }
+
+      shared_examples 'responsed streams' do
+        it 'assigns @entries' do
+          entries = assigns(:entries).to_a
+          expect(entries.size).to eq expected_statuses.size
+          entries.each.zip(expected_statuses.each) do |entry, expected_status|
+            expect(entry.status).to eq expected_status
+          end
+        end
+      end
+
+      include_examples 'responses'
+
+      context 'without max_id nor since_id' do
+        let(:expected_statuses) { [status7, status6, status5, status4, status3, status2, status1] }
+
+        include_examples 'responsed streams'
+      end
+
+      context 'with max_id and since_id' do
+        let(:max_id) { status4.stream_entry.id }
+        let(:since_id) { status1.stream_entry.id }
+        let(:expected_statuses) { [status3, status2] }
+
+        include_examples 'responsed streams'
       end
     end
 
     context 'activitystreams2' do
-      before do
-        get :show, params: { username: alice.username }, format: 'json'
+      let(:format) { 'json' }
+      let(:content_type) { 'application/activity+json' }
+
+      include_examples 'responses'
     end
 
-      it 'assigns @account' do
-        expect(assigns(:account)).to eq alice
-      end
-
-      it 'returns http success with Activity Streams 2.0' do
-        expect(response).to have_http_status(:success)
-      end
-
-      it 'returns application/activity+json' do
-        expect(response.content_type).to eq 'application/activity+json'
-      end
-    end
-
-    context 'html without since_id nor max_id' do
-      before do
-        get :show, params: { username: alice.username }
-      end
-
-      it 'assigns @account' do
-        expect(assigns(:account)).to eq alice
-      end
+    context 'html' do
+      let(:format) { nil }
+      let(:content_type) { 'text/html' }
 
+      shared_examples 'responsed statuses' do
         it 'assigns @pinned_statuses' do
           pinned_statuses = assigns(:pinned_statuses).to_a
-        expect(pinned_statuses.size).to eq 3
-        expect(pinned_statuses[0]).to eq status7
-        expect(pinned_statuses[1]).to eq status5
-        expect(pinned_statuses[2]).to eq status6
+          expect(pinned_statuses.size).to eq expected_pinned_statuses.size
+          pinned_statuses.each.zip(expected_pinned_statuses.each) do |pinned_status, expected_pinned_status|
+            expect(pinned_status).to eq expected_pinned_status
           end
-
-      it 'returns http success' do
-        expect(response).to have_http_status(:success)
-      end
-    end
-
-    context 'html with since_id and max_id' do
-      before do
-        get :show, params: { username: alice.username, max_id: status4.id, since_id: status1.id }
-      end
-
-      it 'assigns @account' do
-        expect(assigns(:account)).to eq alice
         end
 
         it 'assigns @statuses' do
           statuses = assigns(:statuses).to_a
-        expect(statuses.size).to eq 2
-        expect(statuses[0]).to eq status3
-        expect(statuses[1]).to eq status2
+          expect(statuses.size).to eq expected_statuses.size
+          statuses.each.zip(expected_statuses.each) do |status, expected_status|
+            expect(status).to eq expected_status
+          end
+        end
       end
 
-      it 'assigns an empty array to @pinned_statuses' do
-        pinned_statuses = assigns(:pinned_statuses).to_a
-        expect(pinned_statuses.size).to eq 0
+      include_examples 'responses'
+
+      context 'with anonymous visitor' do
+        context 'without since_id nor max_id' do
+          let(:expected_statuses) { [status7, status6, status5, status4, status3, status2, status1] }
+          let(:expected_pinned_statuses) { [status7, status5, status6] }
+
+          include_examples 'responsed statuses'
         end
 
-      it 'returns http success' do
-        expect(response).to have_http_status(:success)
+        context 'with since_id nor max_id' do
+          let(:max_id) { status4.id }
+          let(:since_id) { status1.id }
+          let(:expected_statuses) { [status3, status2] }
+          let(:expected_pinned_statuses) { [] }
+
+          include_examples 'responsed statuses'
+        end
+      end
+
+      context 'with blocked visitor' do
+        let(:current_user) { eve }
+
+        context 'without since_id nor max_id' do
+          let(:expected_statuses) { [] }
+          let(:expected_pinned_statuses) { [] }
+
+          include_examples 'responsed statuses'
+        end
       end
     end
   end