discourse/spec/serializers/topic_view_serializer_spec.rb

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require 'rails_helper'
describe TopicViewSerializer do
let(:topic) { Fabricate(:topic) }
let(:user) { Fabricate(:user) }
describe '#suggested_topics' do
let(:topic2) { Fabricate(:topic) }
before do
TopicUser.update_last_read(user, topic2.id, 0, 0)
end
describe 'when loading last chunk' do
it 'should include suggested topics' do
topic_view = TopicView.new(topic.id, user)
json = described_class.new(topic_view, scope: Guardian.new(user), root: false).as_json
expect(json[:suggested_topics].first.id).to eq(topic2.id)
end
end
describe 'when not loading last chunk' do
let(:post) { Fabricate(:post, topic: topic) }
let(:post2) { Fabricate(:post, topic: topic) }
it 'should not include suggested topics' do
post
post2
topic_view = TopicView.new(topic.id, user, post_ids: [post.id])
topic_view.next_page
json = described_class.new(topic_view, scope: Guardian.new(user), root: false).as_json
expect(json[:suggested_topics]).to eq(nil)
end
end
end
end