require 'rails_helper' require 'post_merger' describe PostMerger do let(:moderator) { Fabricate(:moderator) } let(:admin) { Fabricate(:admin) } let(:user) { Fabricate(:user) } let(:post) { create_post } let(:topic) { post.topic } describe ".merge" do it "should merge posts into the latest post correctly" do reply1 = create_post(topic: topic, raw: 'The first reply', post_number: 2, user: user) reply2 = create_post(topic: topic, raw: "The second reply\nSecond line", post_number: 3, user: user) reply3 = create_post(topic: topic, raw: 'The third reply', post_number: 4, user: user) replies = [reply3, reply2, reply1] message = MessageBus.track_publish("/topic/#{topic.id}") { PostMerger.new(admin, replies).merge }.last expect(message.data[:type]).to eq(:revised) expect(message.data[:post_number]).to eq(reply3.post_number) expect(reply1.trashed?).to eq(true) expect(reply2.trashed?).to eq(true) expect(reply3.deleted_at).to eq(nil) expect(reply3.edit_reason).to eq(I18n.t( "merge_posts.edit_reason", count: replies.count - 1, username: admin.username )) expect(reply3.raw).to eq( "The first reply\n\nThe second reply\nSecond line\n\nThe third reply" ) end it "should not allow the first post in a topic to be merged" do post.update_attributes!(user: user) reply1 = create_post(topic: topic, post_number: post.post_number, user: user) reply2 = create_post(topic: topic, post_number: post.post_number, user: user) expect { PostMerger.new(admin, [reply2, post, reply1]).merge }.to raise_error(Discourse::InvalidAccess) end it "should only allow staff user to merge posts" do reply1 = create_post(topic: topic, post_number: post.post_number, user: user) reply2 = create_post(topic: topic, post_number: post.post_number, user: user) expect { PostMerger.new(user, [reply2, reply1]).merge }.to raise_error(Discourse::InvalidAccess) end it "should not allow posts from different topics to be merged" do another_post = create_post(user: post.user) expect { PostMerger.new(user, [another_post, post]).merge }.to raise_error( PostMerger::CannotMergeError, I18n.t("merge_posts.errors.different_topics") ) end it "should not allow posts from different users to be merged" do another_post = create_post(user: user, topic_id: topic.id) expect { PostMerger.new(user, [another_post, post]).merge }.to raise_error( PostMerger::CannotMergeError, I18n.t("merge_posts.errors.different_users") ) end end end