discourse/spec/components/post_destroyer_spec.rb

736 lines
23 KiB
Ruby

require 'rails_helper'
require 'post_destroyer'
describe PostDestroyer do
before do
UserActionCreator.enable
end
let(:moderator) { Fabricate(:moderator) }
let(:admin) { Fabricate(:admin) }
let(:post) { create_post }
describe "destroy_old_hidden_posts" do
it "destroys posts that have been hidden for 30 days" do
Fabricate(:admin)
now = Time.now
freeze_time(now - 60.days)
topic = post.topic
reply1 = create_post(topic: topic)
freeze_time(now - 40.days)
reply2 = create_post(topic: topic)
PostAction.hide_post!(reply2, PostActionType.types[:off_topic])
freeze_time(now - 20.days)
reply3 = create_post(topic: topic)
PostAction.hide_post!(reply3, PostActionType.types[:off_topic])
freeze_time(now - 10.days)
reply4 = create_post(topic: topic)
freeze_time(now)
PostDestroyer.destroy_old_hidden_posts
reply1.reload
reply2.reload
reply3.reload
reply4.reload
expect(reply1.deleted_at).to eq(nil)
expect(reply2.deleted_at).not_to eq(nil)
expect(reply3.deleted_at).to eq(nil)
expect(reply4.deleted_at).to eq(nil)
end
end
describe 'destroy_old_stubs' do
it 'destroys stubs for deleted by user posts' do
SiteSetting.delete_removed_posts_after = 24
Fabricate(:admin)
topic = post.topic
reply1 = create_post(topic: topic)
reply2 = create_post(topic: topic)
reply3 = create_post(topic: topic)
PostDestroyer.new(reply1.user, reply1).destroy
PostDestroyer.new(reply2.user, reply2).destroy
reply2.update_column(:updated_at, 2.days.ago)
PostDestroyer.destroy_stubs
reply1.reload
reply2.reload
reply3.reload
expect(reply1.deleted_at).to eq(nil)
expect(reply2.deleted_at).not_to eq(nil)
expect(reply3.deleted_at).to eq(nil)
# if topic is deleted we should still be able to destroy stubs
topic.trash!
reply1.update_column(:updated_at, 2.days.ago)
PostDestroyer.destroy_stubs
reply1.reload
expect(reply1.deleted_at).to eq(nil)
# flag the post, it should not nuke the stub anymore
topic.recover!
PostAction.act(Fabricate(:coding_horror), reply1, PostActionType.types[:spam])
PostDestroyer.destroy_stubs
reply1.reload
expect(reply1.deleted_at).to eq(nil)
# defer the flag, we should be able to delete the stub
PostAction.defer_flags!(reply1, Discourse.system_user)
PostDestroyer.destroy_stubs
reply1.reload
expect(reply1.deleted_at).to_not eq(nil)
end
it 'uses the delete_removed_posts_after site setting' do
Fabricate(:admin)
topic = post.topic
reply1 = create_post(topic: topic)
reply2 = create_post(topic: topic)
PostDestroyer.new(reply1.user, reply1).destroy
PostDestroyer.new(reply2.user, reply2).destroy
SiteSetting.delete_removed_posts_after = 1
reply2.update_column(:updated_at, 70.minutes.ago)
PostDestroyer.destroy_stubs
reply1.reload
reply2.reload
expect(reply1.deleted_at).to eq(nil)
expect(reply2.deleted_at).not_to eq(nil)
SiteSetting.delete_removed_posts_after = 72
reply1.update_column(:updated_at, 2.days.ago)
PostDestroyer.destroy_stubs
expect(reply1.reload.deleted_at).to eq(nil)
SiteSetting.delete_removed_posts_after = 47
PostDestroyer.destroy_stubs
expect(reply1.reload.deleted_at).not_to eq(nil)
end
it "deletes posts immediately if delete_removed_posts_after is 0" do
Fabricate(:admin)
topic = post.topic
reply1 = create_post(topic: topic)
SiteSetting.delete_removed_posts_after = 0
PostDestroyer.new(reply1.user, reply1).destroy
expect(reply1.reload.deleted_at).not_to eq(nil)
end
end
describe "recovery and user actions" do
it "recreates user actions" do
reply = create_post(topic: post.topic)
author = reply.user
post_action = author.user_actions.where(action_type: UserAction::REPLY, target_post_id: reply.id).first
expect(post_action).to be_present
PostDestroyer.new(moderator, reply).destroy
# User Action is removed
post_action = author.user_actions.where(action_type: UserAction::REPLY, target_post_id: reply.id).first
expect(post_action).to be_blank
PostDestroyer.new(moderator, reply).recover
# On recovery, the user action is recreated
post_action = author.user_actions.where(action_type: UserAction::REPLY, target_post_id: reply.id).first
expect(post_action).to be_present
end
describe "post_count recovery" do
before do
post
@user = post.user
@reply = create_post(topic: post.topic, user: @user)
expect(@user.user_stat.post_count).to eq(1)
end
context "recovered by user" do
it "should increment the user's post count" do
PostDestroyer.new(@user, @reply).destroy
expect(@user.user_stat.topic_count).to eq(1)
expect(@user.user_stat.post_count).to eq(1)
PostDestroyer.new(@user, @reply.reload).recover
expect(@user.user_stat.topic_count).to eq(1)
expect(@user.reload.user_stat.post_count).to eq(1)
expect(UserAction.where(target_topic_id: post.topic_id, action_type: UserAction::NEW_TOPIC).count).to eq(1)
expect(UserAction.where(target_topic_id: post.topic_id, action_type: UserAction::REPLY).count).to eq(1)
end
end
context "recovered by admin" do
it "should increment the user's post count" do
PostDestroyer.new(moderator, @reply).destroy
expect(@user.reload.user_stat.topic_count).to eq(1)
expect(@user.user_stat.post_count).to eq(0)
PostDestroyer.new(admin, @reply).recover
expect(@user.reload.user_stat.topic_count).to eq(1)
expect(@user.user_stat.post_count).to eq(1)
PostDestroyer.new(moderator, post).destroy
expect(@user.reload.user_stat.topic_count).to eq(0)
expect(@user.user_stat.post_count).to eq(0)
PostDestroyer.new(admin, post).recover
expect(@user.reload.user_stat.topic_count).to eq(1)
expect(@user.user_stat.post_count).to eq(1)
expect(UserAction.where(target_topic_id: post.topic_id, action_type: UserAction::NEW_TOPIC).count).to eq(1)
expect(UserAction.where(target_topic_id: post.topic_id, action_type: UserAction::REPLY).count).to eq(1)
end
end
end
end
describe "recovery and post actions" do
let(:codinghorror) { Fabricate(:coding_horror) }
let!(:like) { PostAction.act(codinghorror, post, PostActionType.types[:like]) }
let!(:another_like) { PostAction.act(moderator, post, PostActionType.types[:like]) }
it "restores public post actions" do
PostDestroyer.new(moderator, post).destroy
expect(PostAction.exists?(id: like.id)).to eq(false)
PostDestroyer.new(moderator, post).recover
expect(PostAction.exists?(id: like.id)).to eq(true)
end
it "does not recover previously-deleted actions" do
PostAction.remove_act(codinghorror, post, PostActionType.types[:like])
expect(PostAction.exists?(id: like.id)).to eq(false)
PostDestroyer.new(moderator, post).destroy
PostDestroyer.new(moderator, post).recover
expect(PostAction.exists?(id: another_like.id)).to eq(true)
expect(PostAction.exists?(id: like.id)).to eq(false)
end
it "updates post like count" do
PostDestroyer.new(moderator, post).destroy
PostDestroyer.new(moderator, post).recover
post.reload
expect(post.like_count).to eq(2)
expect(post.custom_fields["deleted_public_actions"]).to be_nil
end
end
describe 'basic destroying' do
it "as the creator of the post, doesn't delete the post" do
begin
post2 = create_post
user_stat = post2.user.user_stat
called = 0
topic_destroyed = -> (topic, user) do
expect(topic).to eq(post2.topic)
expect(user).to eq(post2.user)
called += 1
end
DiscourseEvent.on(:topic_destroyed, &topic_destroyed)
@orig = post2.cooked
# Guardian.new(post2.user).can_delete_post?(post2) == false
PostDestroyer.new(post2.user, post2).destroy
post2.reload
expect(post2.deleted_at).to be_blank
expect(post2.deleted_by).to be_blank
expect(post2.user_deleted).to eq(true)
expect(post2.raw).to eq(I18n.t('js.post.deleted_by_author', count: 24))
expect(post2.version).to eq(2)
expect(called).to eq(1)
expect(user_stat.reload.post_count).to eq(0)
expect(user_stat.reload.topic_count).to eq(1)
called = 0
topic_recovered = -> (topic, user) do
expect(topic).to eq(post2.topic)
expect(user).to eq(post2.user)
called += 1
end
DiscourseEvent.on(:topic_recovered, &topic_recovered)
# lets try to recover
PostDestroyer.new(post2.user, post2).recover
post2.reload
expect(post2.version).to eq(3)
expect(post2.user_deleted).to eq(false)
expect(post2.cooked).to eq(@orig)
expect(called).to eq(1)
expect(user_stat.reload.post_count).to eq(0)
expect(user_stat.reload.topic_count).to eq(1)
ensure
DiscourseEvent.off(:topic_destroyed, &topic_destroyed)
DiscourseEvent.off(:topic_recovered, &topic_recovered)
end
end
it "when topic is destroyed, it updates user_stats correctly" do
SiteSetting.min_topic_title_length = 5
post.topic.update_column(:title, "xyz")
user1 = post.user
user2 = Fabricate(:user)
reply = create_post(topic_id: post.topic_id, user: user2)
reply2 = create_post(topic_id: post.topic_id, user: user1)
expect(user1.user_stat.topic_count).to eq(1)
expect(user1.user_stat.post_count).to eq(1)
expect(user2.user_stat.topic_count).to eq(0)
expect(user2.user_stat.post_count).to eq(1)
PostDestroyer.new(Fabricate(:admin), post).destroy
user1.reload
user2.reload
expect(user1.user_stat.topic_count).to eq(0)
expect(user1.user_stat.post_count).to eq(0)
expect(user2.user_stat.topic_count).to eq(0)
expect(user2.user_stat.post_count).to eq(0)
end
it "accepts a delete_removed_posts_after option" do
SiteSetting.delete_removed_posts_after = 0
PostDestroyer.new(post.user, post, delete_removed_posts_after: 1).destroy
post.reload
expect(post.deleted_at).to eq(nil)
expect(post.user_deleted).to eq(true)
expect(post.raw).to eq(I18n.t('js.post.deleted_by_author', count: 1))
end
context "as a moderator" do
it "deletes the post" do
author = post.user
reply = create_post(topic_id: post.topic_id, user: author)
post_count = author.post_count
history_count = UserHistory.count
PostDestroyer.new(moderator, reply).destroy
expect(reply.deleted_at).to be_present
expect(reply.deleted_by).to eq(moderator)
author.reload
expect(author.post_count).to eq(post_count - 1)
expect(UserHistory.count).to eq(history_count + 1)
end
end
context "as an admin" do
it "deletes the post" do
PostDestroyer.new(admin, post).destroy
expect(post.deleted_at).to be_present
expect(post.deleted_by).to eq(admin)
end
it "updates the user's topic_count for first post" do
author = post.user
expect {
PostDestroyer.new(admin, post).destroy
author.reload
}.to change { author.topic_count }.by(-1)
expect(author.user_stat.post_count).to eq(0)
end
it "updates the user's post_count for reply" do
author = post.user
reply = create_post(topic: post.topic, user: author)
expect {
PostDestroyer.new(admin, reply).destroy
author.reload
}.to change { author.post_count }.by(-1)
expect(author.user_stat.topic_count).to eq(1)
end
it "doesn't count whispers" do
user_stat = admin.user_stat
whisper = PostCreator.new(
admin,
topic_id: post.topic.id,
reply_to_post_number: 1,
post_type: Post.types[:whisper],
raw: 'this is a whispered reply'
).create
expect(user_stat.reload.post_count).to eq(0)
expect {
PostDestroyer.new(admin, whisper).destroy
}.to_not change { user_stat.reload.post_count }
end
end
end
context 'private message' do
let(:author) { Fabricate(:user) }
let(:private_message) { Fabricate(:private_message_topic, user: author) }
let!(:first_post) { Fabricate(:post, topic: private_message, user: author) }
let!(:second_post) { Fabricate(:post, topic: private_message, user: author, post_number: 2) }
it "doesn't update post_count for a reply" do
expect {
PostDestroyer.new(admin, second_post).destroy
author.reload
}.to_not change { author.post_count }
expect {
PostDestroyer.new(admin, second_post).recover
}.to_not change { author.post_count }
end
it "doesn't update topic_count for first post" do
expect {
PostDestroyer.new(admin, first_post).destroy
author.reload
}.to_not change { author.topic_count }
expect(author.post_count).to eq(0) # also unchanged
end
it 'triggers the extensibility events' do
events = DiscourseEvent.track_events { PostDestroyer.new(admin, first_post).destroy }.last(2)
expect(events[0][:event_name]).to eq(:post_destroyed)
expect(events[0][:params].first).to eq(first_post)
expect(events[1][:event_name]).to eq(:topic_destroyed)
expect(events[1][:params].first).to eq(first_post.topic)
end
end
context 'deleting the second post in a topic' do
let(:user) { Fabricate(:user) }
let!(:post) { create_post(user: user) }
let(:topic) { post.topic }
let(:second_user) { Fabricate(:coding_horror) }
let!(:second_post) { create_post(topic: topic, user: second_user) }
before do
PostDestroyer.new(moderator, second_post).destroy
topic.reload
end
it 'resets the last_poster_id back to the OP' do
expect(topic.last_post_user_id).to eq(user.id)
end
it 'resets the last_posted_at back to the OP' do
expect(topic.last_posted_at.to_i).to eq(post.created_at.to_i)
end
it 'resets the highest_post_number' do
expect(topic.highest_post_number).to eq(post.post_number)
end
context 'topic_user' do
let(:topic_user) { second_user.topic_users.find_by(topic_id: topic.id) }
it 'clears the posted flag for the second user' do
expect(topic_user.posted?).to eq(false)
end
it "sets the second user's last_read_post_number back to 1" do
expect(topic_user.last_read_post_number).to eq(1)
end
it "sets the second user's last_read_post_number back to 1" do
expect(topic_user.highest_seen_post_number).to eq(1)
end
end
end
context "deleting a post belonging to a deleted topic" do
let!(:topic) { post.topic }
let(:author) { post.user }
before do
topic.trash!(admin)
post.reload
end
context "as a moderator" do
before do
PostDestroyer.new(moderator, post).destroy
end
it "deletes the post" do
expect(post.deleted_at).to be_present
expect(post.deleted_by).to eq(moderator)
expect(author.user_stat.post_count).to eq(0)
end
end
context "as an admin" do
subject { PostDestroyer.new(admin, post).destroy }
it "deletes the post" do
subject
expect(post.deleted_at).to be_present
expect(post.deleted_by).to eq(admin)
end
it "creates a new user history entry" do
expect { subject }.to change { UserHistory.count }.by(1)
end
it 'triggers a extensibility event' do
events = DiscourseEvent.track_events { subject }
expect(events[0][:event_name]).to eq(:post_destroyed)
expect(events[0][:params].first).to eq(post)
end
end
end
context "deleting a reply belonging to a deleted topic" do
let!(:topic) { post.topic }
let!(:reply) { create_post(topic_id: topic.id, user: post.user) }
let(:author) { reply.user }
before do
topic.trash!(admin)
post.reload
reply.reload
end
context "as a moderator" do
subject { PostDestroyer.new(moderator, reply).destroy }
it "deletes the reply" do
subject
expect(reply.deleted_at).to be_present
expect(reply.deleted_by).to eq(moderator)
end
it "doesn't decrement post_count again" do
expect { subject }.to_not change { author.user_stat.post_count }
end
end
context "as an admin" do
subject { PostDestroyer.new(admin, reply).destroy }
it "deletes the post" do
subject
expect(reply.deleted_at).to be_present
expect(reply.deleted_by).to eq(admin)
end
it "doesn't decrement post_count again" do
expect { subject }.to_not change { author.user_stat.post_count }
end
it "creates a new user history entry" do
expect { subject }.to change { UserHistory.count }.by(1)
end
end
end
it "deletes a post belonging to a non-existent topic" do
DB.exec("DELETE FROM topics WHERE id = ?", post.topic_id)
post.reload
PostDestroyer.new(admin, post).destroy
expect(post.deleted_at).to be_present
expect(post.deleted_by).to eq(admin)
end
describe 'after delete' do
let!(:coding_horror) { Fabricate(:coding_horror) }
let!(:post) { Fabricate(:post, raw: "Hello @CodingHorror") }
it "should feature the users again (in case they've changed)" do
Jobs.expects(:enqueue).with(:feature_topic_users, has_entries(topic_id: post.topic_id))
PostDestroyer.new(moderator, post).destroy
end
describe 'with a reply' do
let!(:reply) { Fabricate(:basic_reply, user: coding_horror, topic: post.topic) }
let!(:post_reply) { PostReply.create(post_id: post.id, reply_id: reply.id) }
it 'changes the post count of the topic' do
post.reload
expect {
PostDestroyer.new(moderator, reply).destroy
post.topic.reload
}.to change(post.topic, :posts_count).by(-1)
end
it 'lowers the reply_count when the reply is deleted' do
expect {
PostDestroyer.new(moderator, reply).destroy
}.to change(post.post_replies, :count).by(-1)
end
it 'should increase the post_number when there are deletion gaps' do
PostDestroyer.new(moderator, reply).destroy
p = Fabricate(:post, user: post.user, topic: post.topic)
expect(p.post_number).to eq(3)
end
end
end
context '@mentions' do
it 'removes notifications when deleted' do
SiteSetting.queue_jobs = false
user = Fabricate(:evil_trout)
post = create_post(raw: 'Hello @eviltrout')
expect {
PostDestroyer.new(Fabricate(:moderator), post).destroy
}.to change(user.notifications, :count).by(-1)
end
end
describe "post actions" do
let(:second_post) { Fabricate(:post, topic_id: post.topic_id) }
let!(:bookmark) { PostAction.act(moderator, second_post, PostActionType.types[:bookmark]) }
let!(:flag) { PostAction.act(moderator, second_post, PostActionType.types[:off_topic]) }
before do
Jobs::SendSystemMessage.clear
end
it "should delete public post actions and agree with flags" do
second_post.expects(:update_flagged_posts_count)
PostDestroyer.new(moderator, second_post).destroy
expect(PostAction.find_by(id: bookmark.id)).to eq(nil)
off_topic = PostAction.find_by(id: flag.id)
expect(off_topic).not_to eq(nil)
expect(off_topic.agreed_at).not_to eq(nil)
second_post.reload
expect(second_post.bookmark_count).to eq(0)
expect(second_post.off_topic_count).to eq(1)
expect(Jobs::SendSystemMessage.jobs.size).to eq(1)
end
it "should not send the flags_agreed_and_post_deleted message if it was deleted by system" do
expect(PostAction.flagged_posts_count).to eq(1)
PostDestroyer.new(Discourse.system_user, second_post).destroy
expect(Jobs::SendSystemMessage.jobs.size).to eq(0)
expect(PostAction.flagged_posts_count).to eq(0)
end
it "should not send the flags_agreed_and_post_deleted message if it was deleted by author" do
SiteSetting.delete_removed_posts_after = 0
expect(PostAction.flagged_posts_count).to eq(1)
PostDestroyer.new(second_post.user, second_post).destroy
expect(Jobs::SendSystemMessage.jobs.size).to eq(0)
expect(PostAction.flagged_posts_count).to eq(0)
end
it "should not send the flags_agreed_and_post_deleted message if flags were deferred" do
expect(PostAction.flagged_posts_count).to eq(1)
PostAction.defer_flags!(second_post, moderator)
second_post.reload
expect(PostAction.flagged_posts_count).to eq(0)
PostDestroyer.new(moderator, second_post).destroy
expect(Jobs::SendSystemMessage.jobs.size).to eq(0)
end
it "should not send the flags_agreed_and_post_deleted message if defer_flags is true" do
expect(PostAction.flagged_posts_count).to eq(1)
PostDestroyer.new(moderator, second_post, defer_flags: true).destroy
expect(Jobs::SendSystemMessage.jobs.size).to eq(0)
expect(PostAction.flagged_posts_count).to eq(0)
end
it "should set the deleted_public_actions custom field" do
PostDestroyer.new(moderator, second_post).destroy
expect(second_post.custom_fields["deleted_public_actions"]).to eq("#{bookmark.id}")
end
end
describe "user actions" do
let(:codinghorror) { Fabricate(:coding_horror) }
let(:second_post) { Fabricate(:post, topic_id: post.topic_id) }
def create_user_action(action_type)
UserAction.log_action!(action_type: action_type,
user_id: codinghorror.id,
acting_user_id: codinghorror.id,
target_topic_id: second_post.topic_id,
target_post_id: second_post.id)
end
it "should delete the user actions" do
bookmark = create_user_action(UserAction::BOOKMARK)
like = create_user_action(UserAction::LIKE)
PostDestroyer.new(moderator, second_post).destroy
expect(UserAction.find_by(id: bookmark.id)).to be_nil
expect(UserAction.find_by(id: like.id)).to be_nil
end
end
describe 'topic links' do
let!(:first_post) { Fabricate(:post) }
let!(:topic) { first_post.topic }
let!(:second_post) { Fabricate(:post_with_external_links, topic: topic) }
before { TopicLink.extract_from(second_post) }
it 'should destroy the topic links when moderator destroys the post' do
PostDestroyer.new(moderator, second_post.reload).destroy
expect(topic.topic_links.count).to eq(0)
end
it 'should destroy the topic links when the user destroys the post' do
PostDestroyer.new(second_post.user, second_post.reload).destroy
expect(topic.topic_links.count).to eq(0)
end
end
end