# frozen_string_literal: true require 'rails_helper' describe UsernameChanger do before do Jobs.run_immediately! end describe '#change' do let(:user) { Fabricate(:user) } context 'success' do let(:new_username) { "#{user.username}1234" } it 'should change the username' do @result = UsernameChanger.change(user, new_username) expect(@result).to eq(true) user.reload expect(user.username).to eq(new_username) expect(user.username_lower).to eq(new_username.downcase) end end context 'failure' do let(:wrong_username) { "" } let(:username_before_change) { user.username } let(:username_lower_before_change) { user.username_lower } it 'should not change the username' do @result = UsernameChanger.change(user, wrong_username) expect(@result).to eq(false) user.reload expect(user.username).to eq(username_before_change) expect(user.username_lower).to eq(username_lower_before_change) end end describe 'change the case of my username' do let!(:myself) { Fabricate(:user, username: 'hansolo') } it 'should change the username' do expect do expect(UsernameChanger.change(myself, "HanSolo", myself)).to eq(true) end.to change { UserHistory.count }.by(1) expect(UserHistory.last.action).to eq( UserHistory.actions[:change_username] ) expect(myself.reload.username).to eq('HanSolo') expect do UsernameChanger.change(myself, "HanSolo", myself) end.to change { UserHistory.count }.by(0) # make sure it does not log a dupe expect do UsernameChanger.change(myself, user.username, myself) end.to change { UserHistory.count }.by(0) # does not log if the username already exists end end describe 'allow custom minimum username length from site settings' do before do @custom_min = 2 SiteSetting.min_username_length = @custom_min end it 'should allow a shorter username than default' do result = UsernameChanger.change(user, 'a' * @custom_min) expect(result).not_to eq(false) end it 'should not allow a shorter username than limit' do result = UsernameChanger.change(user, 'a' * (@custom_min - 1)) expect(result).to eq(false) end it 'should not allow a longer username than limit' do result = UsernameChanger.change(user, 'a' * (User.username_length.end + 1)) expect(result).to eq(false) end end context 'posts and revisions' do let(:user) { Fabricate(:user, username: 'foo') } let(:topic) { Fabricate(:topic, user: user) } before do UserActionManager.enable Discourse.expects(:warn_exception).never end def create_post_and_change_username(args = {}, &block) post = create_post(args.merge(topic_id: topic.id)) args.delete(:revisions)&.each do |revision| post.revise(post.user, revision, force_new_version: true) end block.call(post) if block UsernameChanger.change(user, args[:target_username] || 'bar') post.reload end context 'mentions' do it 'rewrites cooked correctly' do post = create_post_and_change_username(raw: "Hello @foo") expect(post.cooked).to eq(%Q(

Hello @bar

)) post.rebake! expect(post.cooked).to eq(%Q(

Hello @bar

)) end it 'removes the username from the search index' do SearchIndexer.enable create_post_and_change_username(raw: "Hello @foo") results = Search.execute('foo', min_search_term_length: 1) expect(results.posts).to be_empty end it 'ignores case when replacing mentions' do post = create_post_and_change_username(raw: "There's no difference between @foo and @Foo") expect(post.raw).to eq("There's no difference between @bar and @bar") expect(post.cooked).to eq(%Q(

There’s no difference between @bar and @bar

)) end it 'replaces mentions when there are leading symbols' do post = create_post_and_change_username(raw: ".@foo -@foo %@foo _@foo ,@foo ;@foo @@foo") expect(post.raw).to eq(".@bar -@bar %@bar _@bar ,@bar ;@bar @@bar") expect(post.cooked).to match_html(<<~HTML)

.@bar -@bar %@bar _@bar ,@bar ;@bar @@bar

HTML end it 'replaces mentions within double and single quotes' do post = create_post_and_change_username(raw: %Q("@foo" '@foo')) expect(post.raw).to eq(%Q("@bar" '@bar')) expect(post.cooked).to eq(%Q(

@bar” ‘@bar

)) end it 'replaces Markdown formatted mentions' do post = create_post_and_change_username(raw: "**@foo** *@foo* _@foo_ ~~@foo~~") expect(post.raw).to eq("**@bar** *@bar* _@bar_ ~~@bar~~") expect(post.cooked).to match_html(<<~HTML)

@bar @bar @bar @bar

HTML end it 'replaces mentions when there are trailing symbols' do post = create_post_and_change_username(raw: "@foo. @foo, @foo: @foo; @foo_ @foo-") expect(post.raw).to eq("@bar. @bar, @bar: @bar; @bar_ @bar-") expect(post.cooked).to match_html(<<~HTML)

@bar. @bar, @bar: @bar; @bar_ @bar-

HTML end it 'does not replace mention in cooked when mention contains a trailing underscore' do # Older versions of Discourse detected a trailing underscore as part of a username. # That doesn't happen anymore, so we need to do create the `cooked` for this test manually. post = create_post_and_change_username(raw: "@foobar @foo") do |p| p.update_columns(raw: p.raw.gsub("@foobar", "@foo_"), cooked: p.cooked.gsub("@foobar", "@foo_")) end expect(post.raw).to eq("@bar_ @bar") expect(post.cooked).to eq(%Q(

@foo_ @bar

)) end it 'does not replace mentions when there are leading alphanumeric chars' do post = create_post_and_change_username(raw: "@foo a@foo 2@foo") expect(post.raw).to eq("@bar a@foo 2@foo") expect(post.cooked).to eq(%Q(

@bar a@foo 2@foo

)) end it 'does not replace username within email address' do post = create_post_and_change_username(raw: "@foo mail@foo.com") expect(post.raw).to eq("@bar mail@foo.com") expect(post.cooked).to eq(%Q(

@bar mail@foo.com

)) end it 'does not replace username in a mention of a similar username' do Fabricate(:user, username: 'foobar') Fabricate(:user, username: 'foo-bar') Fabricate(:user, username: 'foo_bar') Fabricate(:user, username: 'foo1') post = create_post_and_change_username(raw: "@foo @foobar @foo-bar @foo_bar @foo1") expect(post.raw).to eq("@bar @foobar @foo-bar @foo_bar @foo1") expect(post.cooked).to match_html(<<~HTML)

@bar @foobar @foo-bar @foo_bar @foo1

HTML end it 'updates the path to the user even when it links to /user instead of /u' do post = create_post_and_change_username(raw: "Hello @foo") post.update_column(:cooked, post.cooked.gsub("/u/foo", "/users/foo")) expect(post.raw).to eq("Hello @bar") expect(post.cooked).to eq(%Q(

Hello @bar

)) end it 'replaces mentions within revisions' do revisions = [{ raw: "Hello Foo" }, { title: "new topic title" }, { raw: "Hello @foo!" }, { raw: "Hello @foo!!" }] post = create_post_and_change_username(raw: "Hello @foo", revisions: revisions) expect(post.raw).to eq("Hello @bar!!") expect(post.cooked).to eq(%Q(

Hello @bar!!

)) expect(post.revisions.count).to eq(4) expect(post.revisions[0].modifications["raw"][0]).to eq("Hello @bar") expect(post.revisions[0].modifications["raw"][1]).to eq("Hello Foo") expect(post.revisions[0].modifications["cooked"][0]).to eq(%Q(

Hello @bar

)) expect(post.revisions[0].modifications["cooked"][1]).to eq(%Q(

Hello Foo

)) expect(post.revisions[1].modifications).to include("title") expect(post.revisions[2].modifications["raw"][0]).to eq("Hello Foo") expect(post.revisions[2].modifications["raw"][1]).to eq("Hello @bar!") expect(post.revisions[2].modifications["cooked"][0]).to eq(%Q(

Hello Foo

)) expect(post.revisions[2].modifications["cooked"][1]).to eq(%Q(

Hello @bar!

)) expect(post.revisions[3].modifications["raw"][0]).to eq("Hello @bar!") expect(post.revisions[3].modifications["raw"][1]).to eq("Hello @bar!!") expect(post.revisions[3].modifications["cooked"][0]).to eq(%Q(

Hello @bar!

)) expect(post.revisions[3].modifications["cooked"][1]).to eq(%Q(

Hello @bar!!

)) end it 'replaces mentions in posts marked for deletion' do post = create_post_and_change_username(raw: "Hello @foo") do |p| PostDestroyer.new(p.user, p).destroy end expect(post.raw).to_not include("@foo") expect(post.cooked).to_not include("foo") expect(post.revisions.count).to eq(1) expect(post.revisions[0].modifications["raw"][0]).to eq("Hello @bar") expect(post.revisions[0].modifications["cooked"][0]).to eq(%Q(

Hello @bar

)) end it 'works when users are mentioned with HTML' do post = create_post_and_change_username(raw: '@foo and @someuser') expect(post.raw).to eq('@bar and @someuser') expect(post.cooked).to match_html('

@bar and @someuser

') end context "Unicode usernames" do before { SiteSetting.unicode_usernames = true } let(:user) { Fabricate(:user, username: 'թռչուն') } it 'it correctly updates mentions' do post = create_post_and_change_username(raw: "Hello @թռչուն", target_username: 'птица') expect(post.raw).to eq("Hello @птица") expect(post.cooked).to eq(%Q(

Hello @птица

)) end it 'does not replace mentions when there are leading alphanumeric chars' do post = create_post_and_change_username(raw: "Hello @թռչուն 鳥@թռչուն 2@թռչուն ٩@թռչուն", target_username: 'птица') expect(post.raw).to eq("Hello @птица 鳥@թռչուն 2@թռչուն ٩@թռչուն") expect(post.cooked).to eq(%Q(

Hello @птица 鳥@թռչուն 2@թռչուն ٩@թռչուն

)) end it 'does not replace username in a mention of a similar username' do Fabricate(:user, username: 'թռչուն鳥') Fabricate(:user, username: 'թռչուն-鳥') Fabricate(:user, username: 'թռչուն_鳥') Fabricate(:user, username: 'թռչուն٩') post = create_post_and_change_username(raw: "@թռչուն @թռչուն鳥 @թռչուն-鳥 @թռչուն_鳥 @թռչուն٩", target_username: 'птица') expect(post.raw).to eq("@птица @թռչուն鳥 @թռչուն-鳥 @թռչուն_鳥 @թռչուն٩") expect(post.cooked).to match_html(<<~HTML)

@птица @թռչուն鳥 @թռչուն-鳥 @թռչուն_鳥 @թռչուն٩

HTML end end end context 'quotes' do let(:quoted_post) { create_post(user: user, topic: topic, post_number: 1, raw: "quoted post") } let(:avatar_url) { user.avatar_template.gsub("{size}", "40") } it 'replaces the username in quote tags and updates avatar' do post = create_post_and_change_username(raw: <<~RAW) Lorem ipsum [quote="foo, post:1, topic:#{quoted_post.topic.id}"] quoted post [/quote] [quote='foo'] quoted post [/quote] [quote=foo, post:1, topic:#{quoted_post.topic.id}] quoted post [/quote] dolor sit amet RAW expect(post.raw).to eq(<<~RAW.strip) Lorem ipsum [quote="bar, post:1, topic:#{quoted_post.topic.id}"] quoted post [/quote] [quote='bar'] quoted post [/quote] [quote=bar, post:1, topic:#{quoted_post.topic.id}] quoted post [/quote] dolor sit amet RAW expect(post.cooked).to match_html(<<~HTML)

Lorem ipsum

dolor sit amet

HTML end context 'simple quote' do let(:raw) do <<~RAW Lorem ipsum [quote="foo, post:1, topic:#{quoted_post.topic.id}"] quoted [/quote] RAW end let(:expected_raw) do <<~RAW.strip Lorem ipsum [quote="bar, post:1, topic:#{quoted_post.topic.id}"] quoted [/quote] RAW end let(:expected_cooked) do <<~HTML

Lorem ipsum

HTML end it 'replaces the username in quote tags when the post is deleted' do post = create_post_and_change_username(raw: raw) do |p| PostDestroyer.new(Discourse.system_user, p).destroy end expect(post.raw).to eq(expected_raw) expect(post.cooked).to match_html(expected_cooked) end end end context 'oneboxes' do let(:quoted_post) { create_post(user: user, topic: topic, post_number: 1, raw: "quoted post") } let(:avatar_url) { user_avatar_url(user) } let(:evil_trout) { Fabricate(:evil_trout) } let(:another_quoted_post) { create_post(user: evil_trout, topic: topic, post_number: 2, raw: "evil post") } def protocol_relative_url(url) url.sub(/^https?:/, '') end def user_avatar_url(u) u.avatar_template.gsub("{size}", "40") end it 'updates avatar for linked topics and posts' do raw = "#{quoted_post.full_url}\n#{quoted_post.topic.url}" post = create_post_and_change_username(raw: raw) expect(post.raw).to eq(raw) expect(post.cooked).to match_html(<<~HTML)


HTML end it 'does not update the wrong avatar' do raw = "#{quoted_post.full_url}\n#{another_quoted_post.full_url}" post = create_post_and_change_username(raw: raw) expect(post.raw).to eq(raw) expect(post.cooked).to match_html(<<~HTML)


HTML end end it 'updates username in small action posts' do invited_by = Fabricate(:user) p1 = topic.add_small_action(invited_by, 'invited_user', 'foo') p2 = topic.add_small_action(invited_by, 'invited_user', 'foobar') UsernameChanger.change(user, 'bar') expect(p1.reload.custom_fields['action_code_who']).to eq('bar') expect(p2.reload.custom_fields['action_code_who']).to eq('foobar') end end context 'notifications' do def create_notification(type, notified_user, post, data = {}) Fabricate( :notification, notification_type: Notification.types[type], user: notified_user, data: data.to_json, topic: post&.topic, post_number: post&.post_number ) end def notification_data(notification) JSON.parse(notification.reload.data, symbolize_names: true) end def original_and_display_username(username) { original_username: username, display_username: username, foo: "bar" } end def original_username_and_some_text_as_display_username(username) { original_username: username, display_username: "some text", foo: "bar" } end def only_display_username(username) { display_username: username } end def username_and_something_else(username) { username: username, foo: "bar" } end it 'replaces usernames in notifications' do renamed_user = Fabricate(:user, username: "alice") another_user = Fabricate(:user, username: "another_user") notified_user = Fabricate(:user) p1 = Fabricate(:post, post_number: 1, user: renamed_user) p2 = Fabricate(:post, post_number: 1, user: another_user) Fabricate(:invite, invited_by: notified_user, user: renamed_user) Fabricate(:invite, invited_by: notified_user, user: another_user) n01 = create_notification(:mentioned, notified_user, p1, original_and_display_username("alice")) n02 = create_notification(:mentioned, notified_user, p2, original_and_display_username("another_user")) n03 = create_notification(:mentioned, notified_user, p1, original_username_and_some_text_as_display_username("alice")) n04 = create_notification(:mentioned, notified_user, p1, only_display_username("alice")) n05 = create_notification(:invitee_accepted, notified_user, nil, only_display_username("alice")) n06 = create_notification(:invitee_accepted, notified_user, nil, only_display_username("another_user")) n07 = create_notification(:granted_badge, renamed_user, nil, username_and_something_else("alice")) n08 = create_notification(:granted_badge, another_user, nil, username_and_something_else("another_user")) n09 = create_notification(:group_message_summary, renamed_user, nil, username_and_something_else("alice")) n10 = create_notification(:group_message_summary, another_user, nil, username_and_something_else("another_user")) UsernameChanger.change(renamed_user, "bob") expect(notification_data(n01)).to eq(original_and_display_username("bob")) expect(notification_data(n02)).to eq(original_and_display_username("another_user")) expect(notification_data(n03)).to eq(original_username_and_some_text_as_display_username("bob")) expect(notification_data(n04)).to eq(only_display_username("bob")) expect(notification_data(n05)).to eq(only_display_username("bob")) expect(notification_data(n06)).to eq(only_display_username("another_user")) expect(notification_data(n07)).to eq(username_and_something_else("bob")) expect(notification_data(n08)).to eq(username_and_something_else("another_user")) expect(notification_data(n09)).to eq(username_and_something_else("bob")) expect(notification_data(n10)).to eq(username_and_something_else("another_user")) end end end end