Add coverage for api/v2/media endpoint (mastodon#28027)

app/controllers/api/v2/media_controller.rb

@@ -2,12 +2,22 @@
 
 class Api::V2::MediaController < Api::V1::MediaController
   def create
-    @media_attachment = current_account.media_attachments.create!({ delay_processing: true }.merge(media_attachment_params))
-    render json: @media_attachment, serializer: REST::MediaAttachmentSerializer, status: @media_attachment.not_processed? ? 202 : 200
+    @media_attachment = current_account.media_attachments.create!(media_and_delay_params)
+    render json: @media_attachment, serializer: REST::MediaAttachmentSerializer, status: status_from_media_processing
   rescue Paperclip::Errors::NotIdentifiedByImageMagickError
     render json: file_type_error, status: 422
   rescue Paperclip::Error => e
     Rails.logger.error "#{e.class}: #{e.message}"
     render json: processing_error, status: 500
   end
+
+  private
+
+  def media_and_delay_params
+    { delay_processing: true }.merge(media_attachment_params)
+  end
+
+  def status_from_media_processing
+    @media_attachment.not_processed? ? 202 : 200
+  end
 end

spec/requests/api/v2/media_spec.rb

@@ -9,10 +9,82 @@
   let(:headers) { { 'Authorization' => "Bearer #{token.token}" } }
 
   describe 'POST /api/v2/media' do
-    it 'returns http success' do
-      post '/api/v2/media', headers: headers, params: { file: fixture_file_upload('attachment-jpg.123456_abcd', 'image/jpeg') }
-      expect(File.exist?(user.account.media_attachments.first.file.path(:small))).to be true
-      expect(response).to have_http_status(200)
+    context 'when small media format attachment is processed immediately' do
+      let(:params) { { file: fixture_file_upload('attachment-jpg.123456_abcd', 'image/jpeg') } }
+
+      it 'returns http success' do
+        post '/api/v2/media', headers: headers, params: params
+
+        expect(File.exist?(user.account.media_attachments.first.file.path(:small)))
+          .to be true
+
+        expect(response)
+          .to have_http_status(200)
+
+        expect(body_as_json)
+          .to be_a(Hash)
+      end
+    end
+
+    context 'when large format media attachment has not been processed' do
+      let(:params) { { file: fixture_file_upload('attachment.webm', 'video/webm') } }
+
+      it 'returns http accepted' do
+        post '/api/v2/media', headers: headers, params: params
+
+        expect(File.exist?(user.account.media_attachments.first.file.path(:small)))
+          .to be true
+
+        expect(response)
+          .to have_http_status(202)
+
+        expect(body_as_json)
+          .to be_a(Hash)
+      end
+    end
+
+    describe 'when paperclip errors occur' do
+      let(:media_attachments) { double }
+      let(:params)            { { file: fixture_file_upload('attachment.jpg', 'image/jpeg') } }
+
+      before do
+        allow(User).to receive(:find).with(token.resource_owner_id).and_return(user)
+        allow(user.account).to receive(:media_attachments).and_return(media_attachments)
+      end
+
+      context 'when imagemagick cannot identify the file type' do
+        before do
+          allow(media_attachments).to receive(:create!).and_raise(Paperclip::Errors::NotIdentifiedByImageMagickError)
+        end
+
+        it 'returns http unprocessable entity' do
+          post '/api/v2/media', headers: headers, params: params
+
+          expect(response)
+            .to have_http_status(422)
+
+          expect(body_as_json)
+            .to be_a(Hash)
+            .and include(error: /File type/)
+        end
+      end
+
+      context 'when there is a generic error' do
+        before do
+          allow(media_attachments).to receive(:create!).and_raise(Paperclip::Error)
+        end
+
+        it 'returns http 500' do
+          post '/api/v2/media', headers: headers, params: params
+
+          expect(response)
+            .to have_http_status(500)
+
+          expect(body_as_json)
+            .to be_a(Hash)
+            .and include(error: /processing/)
+        end
+      end
     end
   end
 end