require 'rails_helper' require 'post_revisor' describe PostRevisor do let(:topic) { Fabricate(:topic) } let(:newuser) { Fabricate(:newuser) } let(:post_args) { { user: newuser, topic: topic } } context 'TopicChanges' do let(:tc) { topic.reload PostRevisor::TopicChanges.new(topic, topic.user) } it 'provides a guardian' do expect(tc.guardian).to be_an_instance_of Guardian end it 'tracks changes properly' do expect(tc.diff).to eq({}) # it remembers changes we tell it to tc.record_change('height', '180cm', '170cm') expect(tc.diff['height']).to eq(['180cm', '170cm']) # it works with arrays of values tc.record_change('colors', nil, ['red', 'blue']) expect(tc.diff['colors']).to eq([nil, ['red', 'blue']]) # it does not record changes to the same val tc.record_change('wat', 'js', 'js') expect(tc.diff['wat']).to be_nil tc.record_change('tags', ['a', 'b'], ['a', 'b']) expect(tc.diff['tags']).to be_nil end end context 'revise wiki' do before do # There used to be a bug where wiki changes were considered posting "too similar" # so this is enabled and checked $redis.delete_prefixed('unique-post') SiteSetting.unique_posts_mins = 10 end it 'allows the user to change it to a wiki' do pc = PostCreator.new(newuser, topic_id: topic.id, raw: 'this is a post that will become a wiki') post = pc.create expect(post.revise(post.user, wiki: true)).to be_truthy post.reload expect(post.wiki).to be_truthy end end context 'revise' do let(:post) { Fabricate(:post, post_args) } let(:first_version_at) { post.last_version_at } subject { described_class.new(post) } describe 'with the same body' do it "doesn't change version" do expect { expect(subject.revise!(post.user, { raw: post.raw })).to eq(false) post.reload }.not_to change(post, :version) end end describe 'ninja editing' do it 'correctly applies edits' do SiteSetting.stubs(:editing_grace_period).returns(1.minute) subject.revise!(post.user, { raw: 'updated body' }, revised_at: post.updated_at + 10.seconds) post.reload expect(post.version).to eq(1) expect(post.public_version).to eq(1) expect(post.revisions.size).to eq(0) expect(post.last_version_at).to eq(first_version_at) expect(subject.category_changed).to be_blank end it "doesn't create a new version" do SiteSetting.stubs(:editing_grace_period).returns(1.minute) # making a revision subject.revise!(post.user, { raw: 'updated body' }, revised_at: post.updated_at + SiteSetting.editing_grace_period + 1.seconds) # "roll back" subject.revise!(post.user, { raw: 'Hello world' }, revised_at: post.updated_at + SiteSetting.editing_grace_period + 2.seconds) post.reload expect(post.version).to eq(1) expect(post.public_version).to eq(1) expect(post.revisions.size).to eq(0) end end describe 'revision much later' do let!(:revised_at) { post.updated_at + 2.minutes } before do SiteSetting.stubs(:editing_grace_period).returns(1.minute.to_i) subject.revise!(post.user, { raw: 'updated body' }, revised_at: revised_at) post.reload end it "doesn't update a category" do expect(subject.category_changed).to be_blank end it 'updates the versions' do expect(post.version).to eq(2) expect(post.public_version).to eq(2) end it 'creates a new revision' do expect(post.revisions.size).to eq(1) end it "updates the last_version_at" do expect(post.last_version_at.to_i).to eq(revised_at.to_i) end describe "new edit window" do before do subject.revise!(post.user, { raw: 'yet another updated body' }, revised_at: revised_at) post.reload end it "doesn't create a new version if you do another" do expect(post.version).to eq(2) expect(post.public_version).to eq(2) end it "doesn't change last_version_at" do expect(post.last_version_at.to_i).to eq(revised_at.to_i) end it "doesn't update a category" do expect(subject.category_changed).to be_blank end context "after second window" do let!(:new_revised_at) {revised_at + 2.minutes} before do subject.revise!(post.user, { raw: 'yet another, another updated body' }, revised_at: new_revised_at) post.reload end it "does create a new version after the edit window" do expect(post.version).to eq(3) expect(post.public_version).to eq(3) end it "does create a new version after the edit window" do expect(post.last_version_at.to_i).to eq(new_revised_at.to_i) end end end end describe 'category topic' do let!(:category) do category = Fabricate(:category) category.update_column(:topic_id, topic.id) category end let(:new_description) { "this is my new description." } it "should have no description by default" do expect(category.description).to be_blank end context "one paragraph description" do before do subject.revise!(post.user, { raw: new_description }) category.reload end it "returns the changed category info" do expect(subject.category_changed).to eq(category) end it "updates the description of the category" do expect(category.description).to eq(new_description) end end context "multiple paragraph description" do before do subject.revise!(post.user, { raw: "#{new_description}\n\nOther content goes here." }) category.reload end it "returns the changed category info" do expect(subject.category_changed).to eq(category) end it "updates the description of the category" do expect(category.description).to eq(new_description) end end context 'when updating back to the original paragraph' do before do category.update_column(:description, 'this is my description') subject.revise!(post.user, { raw: Category.post_template }) category.reload end it "puts the description back to nothing" do expect(category.description).to be_blank end it "returns the changed category info" do expect(subject.category_changed).to eq(category) end end end describe 'rate limiter' do let(:changed_by) { Fabricate(:coding_horror) } it "triggers a rate limiter" do EditRateLimiter.any_instance.expects(:performed!) subject.revise!(changed_by, { raw: 'updated body' }) end end describe "admin editing a new user's post" do let(:changed_by) { Fabricate(:admin) } before do SiteSetting.stubs(:newuser_max_images).returns(0) url = "http://i.imgur.com/wfn7rgU.jpg" Oneboxer.stubs(:onebox).with(url, anything).returns("") subject.revise!(changed_by, { raw: "So, post them here!\n#{url}" }) end it "allows an admin to insert images into a new user's post" do expect(post.errors).to be_blank end it "marks the admin as the last updater" do expect(post.last_editor_id).to eq(changed_by.id) end end describe "new user editing their own post" do before do SiteSetting.stubs(:newuser_max_images).returns(0) url = "http://i.imgur.com/FGg7Vzu.gif" Oneboxer.stubs(:cached_onebox).with(url, anything).returns("") subject.revise!(post.user, { raw: "So, post them here!\n#{url}" }) end it "doesn't allow images to be inserted" do expect(post.errors).to be_present end end describe 'with a new body' do let(:changed_by) { Fabricate(:coding_horror) } let!(:result) { subject.revise!(changed_by, { raw: "lets update the body. Здравствуйте" }) } it 'returns true' do expect(result).to eq(true) end it 'updates the body' do expect(post.raw).to eq("lets update the body. Здравствуйте") end it 'sets the invalidate oneboxes attribute' do expect(post.invalidate_oneboxes).to eq(true) end it 'increased the versions' do expect(post.version).to eq(2) expect(post.public_version).to eq(2) end it 'has the new revision' do expect(post.revisions.size).to eq(1) end it "saved the user who made the change in the revisions" do expect(post.revisions.first.user_id).to eq(changed_by.id) end it "updates the word count" do expect(post.word_count).to eq(5) post.topic.reload expect(post.topic.word_count).to eq(5) end context 'second poster posts again quickly' do before do SiteSetting.stubs(:editing_grace_period).returns(1.minute.to_i) subject.revise!(changed_by, { raw: 'yet another updated body' }, revised_at: post.updated_at + 10.seconds) post.reload end it 'is a ninja edit, because the second poster posted again quickly' do expect(post.version).to eq(2) expect(post.public_version).to eq(2) expect(post.revisions.size).to eq(1) end end end describe "topic excerpt" do it "topic excerpt is updated only if first post is revised" do revisor = described_class.new(post) first_post = topic.posts.by_post_number.first expect { revisor.revise!(first_post.user, { raw: 'Edit the first post' }, revised_at: first_post.updated_at + 10.seconds) topic.reload }.to change { topic.excerpt } second_post = Fabricate(:post, post_args.merge(post_number: 2, topic_id: topic.id)) expect { described_class.new(second_post).revise!(second_post.user, { raw: 'Edit the 2nd post' }) topic.reload }.to_not change { topic.excerpt } end end it "doesn't strip starting whitespaces" do subject.revise!(post.user, { raw: " <-- whitespaces --> " }) post.reload expect(post.raw).to eq(" <-- whitespaces -->") end context "#publish_changes" do let!(:post) { Fabricate(:post, topic_id: topic.id) } it "should publish topic changes to clients" do revisor = described_class.new(topic.ordered_posts.first, topic) messages = MessageBus.track_publish do revisor.revise!(newuser, { title: 'this is a test topic' }) end message = messages.find { |message| message.channel == "/topic/#{topic.id}" } payload = message.data expect(payload[:reload_topic]).to eq(true) end end context "tagging" do context "tagging disabled" do before do SiteSetting.tagging_enabled = false end it "doesn't add the tags" do result = subject.revise!(Fabricate(:user), { raw: "lets totally update the body", tags: ['totally', 'update'] }) expect(result).to eq(true) post.reload expect(post.topic.tags.size).to eq(0) end end context "tagging enabled" do before do SiteSetting.tagging_enabled = true end context "can create tags" do before do SiteSetting.min_trust_to_create_tag = 0 SiteSetting.min_trust_level_to_tag_topics = 0 end it "can create all tags if none exist" do expect { @result = subject.revise!(Fabricate(:user), { raw: "lets totally update the body", tags: ['totally', 'update'] }) }.to change { Tag.count }.by(2) expect(@result).to eq(true) post.reload expect(post.topic.tags.map(&:name).sort).to eq(['totally', 'update']) end it "creates missing tags if some exist" do Fabricate(:tag, name: 'totally') expect { @result = subject.revise!(Fabricate(:user), { raw: "lets totally update the body", tags: ['totally', 'update'] }) }.to change { Tag.count }.by(1) expect(@result).to eq(true) post.reload expect(post.topic.tags.map(&:name).sort).to eq(['totally', 'update']) end it "can remove all tags" do topic.tags = [Fabricate(:tag, name: "super"), Fabricate(:tag, name: "stuff")] result = subject.revise!(Fabricate(:user), { raw: "lets totally update the body", tags: [] }) expect(result).to eq(true) post.reload expect(post.topic.tags.size).to eq(0) end it "can't add staff-only tags" do SiteSetting.staff_tags = "important" result = subject.revise!(Fabricate(:user), { raw: "lets totally update the body", tags: ['important', 'stuff'] }) expect(result).to eq(false) expect(post.topic.errors.present?).to eq(true) end it "staff can add staff-only tags" do SiteSetting.staff_tags = "important" result = subject.revise!(Fabricate(:admin), { raw: "lets totally update the body", tags: ['important', 'stuff'] }) expect(result).to eq(true) post.reload expect(post.topic.tags.map(&:name).sort).to eq(['important', 'stuff']) end context "with staff-only tags" do before do SiteSetting.staff_tags = "important" topic = post.topic topic.tags = [Fabricate(:tag, name: "super"), Fabricate(:tag, name: "important"), Fabricate(:tag, name: "stuff")] end it "staff-only tags can't be removed" do result = subject.revise!(Fabricate(:user), { raw: "lets totally update the body", tags: ['stuff'] }) expect(result).to eq(false) expect(post.topic.errors.present?).to eq(true) post.reload expect(post.topic.tags.map(&:name).sort).to eq(['important', 'stuff', 'super']) end it "can't remove all tags if some are staff-only" do result = subject.revise!(Fabricate(:user), { raw: "lets totally update the body", tags: [] }) expect(result).to eq(false) expect(post.topic.errors.present?).to eq(true) post.reload expect(post.topic.tags.map(&:name).sort).to eq(['important', 'stuff', 'super']) end it "staff-only tags can be removed by staff" do result = subject.revise!(Fabricate(:admin), { raw: "lets totally update the body", tags: ['stuff'] }) expect(result).to eq(true) post.reload expect(post.topic.tags.map(&:name)).to eq(['stuff']) end it "staff can remove all tags" do result = subject.revise!(Fabricate(:admin), { raw: "lets totally update the body", tags: [] }) expect(result).to eq(true) post.reload expect(post.topic.tags.size).to eq(0) end end end context "cannot create tags" do before do SiteSetting.min_trust_to_create_tag = 4 SiteSetting.min_trust_level_to_tag_topics = 0 end it "only uses existing tags" do Fabricate(:tag, name: 'totally') expect { @result = subject.revise!(Fabricate(:user), { raw: "lets totally update the body", tags: ['totally', 'update'] }) }.to_not change { Tag.count } expect(@result).to eq(true) post.reload expect(post.topic.tags.map(&:name)).to eq(['totally']) end end end end end end