# frozen_string_literal: true require 'rails_helper' describe UserDestroyer do fab!(:user) { Fabricate(:user) } fab!(:admin) { Fabricate(:admin) } describe 'new' do it 'raises an error when user is nil' do expect { UserDestroyer.new(nil) }.to raise_error(Discourse::InvalidParameters) end it 'raises an error when user is not a User' do expect { UserDestroyer.new(5) }.to raise_error(Discourse::InvalidParameters) end end describe 'destroy' do before do @admin = Fabricate(:admin) @user = Fabricate(:user_with_secondary_email) end it 'raises an error when user is nil' do expect { UserDestroyer.new(@admin).destroy(nil) }.to raise_error(Discourse::InvalidParameters) end it 'raises an error when user is not a User' do expect { UserDestroyer.new(@admin).destroy('nothing') }.to raise_error(Discourse::InvalidParameters) end it 'raises an error when regular user tries to delete another user' do expect { UserDestroyer.new(@user).destroy(Fabricate(:user)) }.to raise_error(Discourse::InvalidAccess) end shared_examples "successfully destroy a user" do it 'should delete the user' do expect { destroy }.to change { User.count }.by(-1) end it 'should return the deleted user record' do return_value = destroy expect(return_value).to eq(@user) expect(return_value).to be_destroyed end it 'should log the action' do StaffActionLogger.any_instance.expects(:log_user_deletion).with(@user, anything).once destroy end it "should not log the action if quiet is true" do expect { UserDestroyer.new(@admin).destroy(@user, destroy_opts.merge(quiet: true)) }.to_not change { UserHistory.where(action: UserHistory.actions[:delete_user]).count } end it 'triggers a extensibility event' do event = DiscourseEvent.track_events { destroy }.last expect(event[:event_name]).to eq(:user_destroyed) expect(event[:params].first).to eq(@user) end end shared_examples "email block list" do it "doesn't add email to block list by default" do ScreenedEmail.expects(:block).never destroy end it "adds emails to block list if block_email is true" do expect { UserDestroyer.new(@admin).destroy(@user, destroy_opts.merge(block_email: true)) }.to change { ScreenedEmail.count }.by(2) end end context 'user deletes self' do let(:destroy_opts) { { delete_posts: true, context: "/u/username/preferences/account" } } subject(:destroy) { UserDestroyer.new(@user).destroy(@user, destroy_opts) } include_examples "successfully destroy a user" it 'should log proper context' do destroy expect(UserHistory.where(action: UserHistory.actions[:delete_user]).last.context).to eq(I18n.t("staff_action_logs.user_delete_self", url: "/u/username/preferences/account")) end end context "with a reviewable post" do let!(:reviewable) { Fabricate(:reviewable, created_by: user) } it "removes the queued post" do UserDestroyer.new(admin).destroy(user) expect(Reviewable.where(created_by_id: user.id).count).to eq(0) end end context "with a reviewable user" do let(:reviewable) { Fabricate(:reviewable, created_by: admin) } it 'sets the reviewable user as rejected' do UserDestroyer.new(admin).destroy(reviewable.target) expect(reviewable.reload.status).to eq(Reviewable.statuses[:rejected]) end end context "with a directory item record" do it "removes the directory item" do DirectoryItem.create!( user: user, period_type: 1, likes_received: 0, likes_given: 0, topics_entered: 0, topic_count: 0, post_count: 0 ) UserDestroyer.new(admin).destroy(user) expect(DirectoryItem.where(user_id: user.id).count).to eq(0) end end context "with a draft" do let!(:draft) { Draft.set(user, 'test', 0, 'test') } it "removed the draft" do UserDestroyer.new(admin).destroy(user) expect(Draft.where(user_id: user.id).count).to eq(0) end end context 'user has posts' do let!(:topic_starter) { Fabricate(:user) } let!(:topic) { Fabricate(:topic, user: topic_starter) } let!(:first_post) { Fabricate(:post, user: topic_starter, topic: topic) } let!(:post) { Fabricate(:post, user: @user, topic: topic) } context "delete_posts is false" do subject(:destroy) { UserDestroyer.new(@admin).destroy(@user) } before do @user.stubs(:post_count).returns(1) @user.stubs(:first_post_created_at).returns(Time.zone.now) end it 'should raise the right error' do StaffActionLogger.any_instance.expects(:log_user_deletion).never expect { destroy }.to raise_error(UserDestroyer::PostsExistError) expect(user.reload.id).to be_present end end context "delete_posts is true" do let(:destroy_opts) { { delete_posts: true } } context "staff deletes user" do subject(:destroy) { UserDestroyer.new(@admin).destroy(@user, destroy_opts) } include_examples "successfully destroy a user" include_examples "email block list" it "deletes the posts" do destroy expect(post.reload.deleted_at).not_to eq(nil) expect(post.user_id).to eq(nil) end it "does not delete topics started by others in which the user has replies" do destroy expect(topic.reload.deleted_at).to eq(nil) expect(topic.user_id).not_to eq(nil) end it "deletes topics started by the deleted user" do spammer_topic = Fabricate(:topic, user: @user) Fabricate(:post, user: @user, topic: spammer_topic) destroy expect(spammer_topic.reload.deleted_at).not_to eq(nil) expect(spammer_topic.user_id).to eq(nil) end context "delete_as_spammer is true" do before { destroy_opts[:delete_as_spammer] = true } it "approves reviewable flags" do spammer_post = Fabricate(:post, user: @user) reviewable = PostActionCreator.inappropriate(@admin, spammer_post).reviewable expect(reviewable).to be_pending destroy reviewable.reload expect(reviewable).to be_approved end end end context "users deletes self" do subject(:destroy) { UserDestroyer.new(@user).destroy(@user, destroy_opts) } include_examples "successfully destroy a user" include_examples "email block list" it "deletes the posts" do destroy expect(post.reload.deleted_at).not_to eq(nil) expect(post.user_id).to eq(nil) end end end end context 'user has no posts, but user_stats table has post_count > 0' do before do # out of sync user_stat data shouldn't break UserDestroyer @user.user_stat.update_attribute(:post_count, 1) end let(:destroy_opts) { {} } subject(:destroy) { UserDestroyer.new(@user).destroy(@user, delete_posts: false) } include_examples "successfully destroy a user" end context 'user has deleted posts' do let!(:deleted_post) { Fabricate(:post, user: @user, deleted_at: 1.hour.ago) } it "should mark the user's deleted posts as belonging to a nuked user" do expect { UserDestroyer.new(@admin).destroy(@user) }.to change { User.count }.by(-1) expect(deleted_post.reload.user_id).to eq(nil) end end context 'user has no posts' do context 'and destroy succeeds' do let(:destroy_opts) { {} } subject(:destroy) { UserDestroyer.new(@admin).destroy(@user) } include_examples "successfully destroy a user" include_examples "email block list" end context 'and destroy fails' do subject(:destroy) { UserDestroyer.new(@admin).destroy(@user) } it 'should not log the action' do @user.stubs(:destroy).returns(false) StaffActionLogger.any_instance.expects(:log_user_deletion).never destroy end end end context 'user has posts with links' do context 'external links' do before do @post = Fabricate(:post_with_external_links, user: @user) TopicLink.extract_from(@post) end it "doesn't add ScreenedUrl records by default" do ScreenedUrl.expects(:watch).never UserDestroyer.new(@admin).destroy(@user, delete_posts: true) end it "adds ScreenedUrl records when :block_urls is true" do ScreenedUrl.expects(:watch).with(anything, anything, has_key(:ip_address)).at_least_once UserDestroyer.new(@admin).destroy(@user, delete_posts: true, block_urls: true) end end context 'internal links' do before do @post = Fabricate(:post_with_external_links, user: @user) TopicLink.extract_from(@post) TopicLink.any_instance.stubs(:internal).returns(true) end it "doesn't add ScreenedUrl records" do ScreenedUrl.expects(:watch).never UserDestroyer.new(@admin).destroy(@user, delete_posts: true, block_urls: true) end end context 'with oneboxed links' do before do @post = Fabricate(:post_with_youtube, user: @user) TopicLink.extract_from(@post) end it "doesn't add ScreenedUrl records" do ScreenedUrl.expects(:watch).never UserDestroyer.new(@admin).destroy(@user, delete_posts: true, block_urls: true) end end end context 'ip address screening' do it "doesn't create screened_ip_address records by default" do ScreenedIpAddress.expects(:watch).never UserDestroyer.new(@admin).destroy(@user) end context "block_ip is true" do it "creates a new screened_ip_address record" do ScreenedIpAddress.expects(:watch).with(@user.ip_address).returns(stub_everything) UserDestroyer.new(@admin).destroy(@user, block_ip: true) end it "creates two new screened_ip_address records when registration_ip_address is different than last ip_address" do @user.registration_ip_address = '12.12.12.12' ScreenedIpAddress.expects(:watch).with(@user.ip_address).returns(stub_everything) ScreenedIpAddress.expects(:watch).with(@user.registration_ip_address).returns(stub_everything) UserDestroyer.new(@admin).destroy(@user, block_ip: true) end end end context 'user created a category' do let!(:category) { Fabricate(:category_with_definition, user: @user) } it "assigns the system user to the categories" do UserDestroyer.new(@admin).destroy(@user, delete_posts: true) expect(category.reload.user_id).to eq(Discourse.system_user.id) expect(category.topic).to be_present expect(category.topic.user_id).to eq(Discourse.system_user.id) end end context 'user got an email' do let!(:email_log) { Fabricate(:email_log, user: user) } it "deletes the email log" do expect { UserDestroyer.new(@admin).destroy(user, delete_posts: true) }.to change { EmailLog.count }.by(-1) end end context 'user liked things' do before do @topic = Fabricate(:topic, user: Fabricate(:user)) @post = Fabricate(:post, user: @topic.user, topic: @topic) PostActionCreator.like(@user, @post) end it 'should destroy the like' do expect { UserDestroyer.new(@admin).destroy(@user, delete_posts: true) }.to change { PostAction.count }.by(-1) expect(@post.reload.like_count).to eq(0) end end context 'user belongs to groups that grant trust level' do let(:group) { Fabricate(:group, grant_trust_level: 2) } before do group.add(user) end it 'can delete the user' do d = UserDestroyer.new(admin) expect { d.destroy(user) }.to change { User.count }.by(-1) end end context 'user has staff action logs' do before do logger = StaffActionLogger.new(user) logger.log_site_setting_change( 'site_description', 'Our friendly community', 'My favourite community' ) end it "should keep the staff action log and add the username" do username = user.username log = UserHistory.staff_action_records( Discourse.system_user, acting_user: username ).to_a[0] UserDestroyer.new(admin).destroy(user, delete_posts: true) log.reload expect(log.details).to include(username) end end end end