require 'spec_helper' require 'topic_view' describe TopicView do let(:topic) { create_topic } let(:coding_horror) { Fabricate(:coding_horror) } let(:first_poster) { topic.user } let(:topic_view) { TopicView.new(topic.id, coding_horror) } it "raises a not found error if the topic doesn't exist" do expect { TopicView.new(1231232, coding_horror) }.to raise_error(Discourse::NotFound) end it "raises an error if the user can't see the topic" do Guardian.any_instance.expects(:can_see?).with(topic).returns(false) expect { topic_view }.to raise_error(Discourse::InvalidAccess) end it "handles deleted topics" do admin = Fabricate(:admin) topic.trash!(admin) expect { TopicView.new(topic.id, Fabricate(:user)) }.to raise_error(Discourse::NotFound) expect { TopicView.new(topic.id, admin) }.not_to raise_error end context "chunk_size" do it "returns `chunk_size` by default" do expect(TopicView.new(topic.id, coding_horror).chunk_size).to eq(TopicView.chunk_size) end it "returns `slow_chunk_size` when slow_platform is true" do tv = TopicView.new(topic.id, coding_horror, slow_platform: true) expect(tv.chunk_size).to eq(TopicView.slow_chunk_size) end end context "with a few sample posts" do let!(:p1) { Fabricate(:post, topic: topic, user: first_poster, percent_rank: 1 )} let!(:p2) { Fabricate(:post, topic: topic, user: coding_horror, percent_rank: 0.5 )} let!(:p3) { Fabricate(:post, topic: topic, user: first_poster, percent_rank: 0 )} let(:moderator) { Fabricate(:moderator) } let(:admin) { Fabricate(:admin) } it "it can find the best responses" do best2 = TopicView.new(topic.id, coding_horror, best: 2) expect(best2.posts.count).to eq(2) expect(best2.posts[0].id).to eq(p2.id) expect(best2.posts[1].id).to eq(p3.id) topic.update_status('closed', true, Fabricate(:admin)) expect(topic.posts.count).to eq(4) # should not get the status post best = TopicView.new(topic.id, nil, best: 99) expect(best.posts.count).to eq(2) expect(best.filtered_post_ids.size).to eq(3) expect(best.current_post_ids).to match_array([p2.id, p3.id]) # should get no results for trust level too low best = TopicView.new(topic.id, nil, best: 99, min_trust_level: coding_horror.trust_level + 1) expect(best.posts.count).to eq(0) # should filter out the posts with a score that is too low best = TopicView.new(topic.id, nil, best: 99, min_score: 99) expect(best.posts.count).to eq(0) # should filter out everything if min replies not met best = TopicView.new(topic.id, nil, best: 99, min_replies: 99) expect(best.posts.count).to eq(0) # should punch through posts if the score is high enough p2.update_column(:score, 100) best = TopicView.new(topic.id, nil, best: 99, bypass_trust_level_score: 100, min_trust_level: coding_horror.trust_level + 1) expect(best.posts.count).to eq(1) # 0 means ignore best = TopicView.new(topic.id, nil, best: 99, bypass_trust_level_score: 0, min_trust_level: coding_horror.trust_level + 1) expect(best.posts.count).to eq(0) # If we restrict to posts a moderator liked, return none best = TopicView.new(topic.id, nil, best: 99, only_moderator_liked: true) expect(best.posts.count).to eq(0) # It doesn't count likes from admins PostAction.act(admin, p3, PostActionType.types[:like]) best = TopicView.new(topic.id, nil, best: 99, only_moderator_liked: true) expect(best.posts.count).to eq(0) # It should find the post liked by the moderator PostAction.act(moderator, p2, PostActionType.types[:like]) best = TopicView.new(topic.id, nil, best: 99, only_moderator_liked: true) expect(best.posts.count).to eq(1) end it "raises NotLoggedIn if the user isn't logged in and is trying to view a private message" do Topic.any_instance.expects(:private_message?).returns(true) expect { TopicView.new(topic.id, nil) }.to raise_error(Discourse::NotLoggedIn) end it "provides an absolute url" do expect(topic_view.absolute_url).to be_present end it "provides a summary of the first post" do expect(topic_view.summary).to be_present end describe "#get_canonical_path" do let(:user) { Fabricate(:user) } let(:topic) { Fabricate(:topic) } let(:path) { "/1234" } before do topic.stubs(:relative_url).returns(path) TopicView.any_instance.stubs(:find_topic).with(1234).returns(topic) end it "generates canonical path correctly" do expect(TopicView.new(1234, user).canonical_path).to eql(path) expect(TopicView.new(1234, user, page: 5).canonical_path).to eql("/1234?page=5") end it "generates a canonical correctly for paged results" do expect(TopicView.new(1234, user, post_number: 10 * TopicView.chunk_size ) .canonical_path).to eql("/1234?page=10") end end describe "#next_page" do let(:p2) { stub(post_number: 2) } let(:topic) do topic = create_topic topic.stubs(:highest_post_number).returns(5) topic end let(:user) { Fabricate(:user) } before do TopicView.any_instance.expects(:find_topic).with(1234).returns(topic) TopicView.any_instance.stubs(:filter_posts) TopicView.any_instance.stubs(:last_post).returns(p2) TopicView.stubs(:chunk_size).returns(2) end it "should return the next page" do expect(TopicView.new(1234, user).next_page).to eql(2) end end context '.post_counts_by_user' do it 'returns the two posters with their counts' do expect(topic_view.post_counts_by_user.to_a).to match_array([[first_poster.id, 2], [coding_horror.id, 1]]) end it "doesn't return counts for posts with authors who have been deleted" do p2.user_id = nil p2.save! expect(topic_view.post_counts_by_user.to_a).to match_array([[first_poster.id, 2]]) end end context '.participants' do it 'returns the two participants hashed by id' do expect(topic_view.participants.to_a).to match_array([[first_poster.id, first_poster], [coding_horror.id, coding_horror]]) end end context '.all_post_actions' do it 'is blank at first' do expect(topic_view.all_post_actions).to be_blank end it 'returns the like' do PostAction.act(coding_horror, p1, PostActionType.types[:like]) expect(topic_view.all_post_actions[p1.id][PostActionType.types[:like]]).to be_present end end context '.all_active_flags' do it 'is blank at first' do expect(topic_view.all_active_flags).to be_blank end it 'returns the active flags' do PostAction.act(moderator, p1, PostActionType.types[:off_topic]) PostAction.act(coding_horror, p1, PostActionType.types[:off_topic]) expect(topic_view.all_active_flags[p1.id][PostActionType.types[:off_topic]].count).to eq(2) end it 'returns only the active flags' do PostAction.act(moderator, p1, PostActionType.types[:off_topic]) PostAction.act(coding_horror, p1, PostActionType.types[:off_topic]) PostAction.defer_flags!(p1, moderator) expect(topic_view.all_active_flags[p1.id]).to eq(nil) end end context '.read?' do it 'tracks correctly' do # anon is assumed to have read everything expect(TopicView.new(topic.id).read?(1)).to eq(true) # random user has nothing expect(topic_view.read?(1)).to eq(false) # a real user that just read it should have it marked PostTiming.process_timings(coding_horror, topic.id, 1, [[1,1000]]) expect(TopicView.new(topic.id, coding_horror).read?(1)).to eq(true) expect(TopicView.new(topic.id, coding_horror).topic_user).to be_present end end context '.topic_user' do it 'returns nil when there is no user' do expect(TopicView.new(topic.id, nil).topic_user).to be_blank end end context '#recent_posts' do before do 24.times do |t| # our let()s have already created 3 Fabricate(:post, topic: topic, user: first_poster, created_at: t.seconds.from_now) end end it 'returns at most 25 recent posts ordered newest first' do recent_posts = topic_view.recent_posts # count expect(recent_posts.count).to eq(25) # ordering expect(recent_posts.include?(p1)).to eq(false) expect(recent_posts.include?(p3)).to eq(true) expect(recent_posts.first.created_at).to be > recent_posts.last.created_at end end end context '.posts' do # Create the posts in a different order than the sort_order let!(:p5) { Fabricate(:post, topic: topic, user: coding_horror)} let!(:p2) { Fabricate(:post, topic: topic, user: coding_horror)} let!(:p6) { Fabricate(:post, topic: topic, user: Fabricate(:user), deleted_at: Time.now)} let!(:p4) { Fabricate(:post, topic: topic, user: coding_horror, deleted_at: Time.now)} let!(:p1) { Fabricate(:post, topic: topic, user: first_poster)} let!(:p7) { Fabricate(:post, topic: topic, user: coding_horror, deleted_at: Time.now)} let!(:p3) { Fabricate(:post, topic: topic, user: first_poster)} before do TopicView.stubs(:chunk_size).returns(3) # Update them to the sort order we're checking for [p1, p2, p3, p4, p5, p6, p7].each_with_index do |p, idx| p.sort_order = idx + 1 p.save end p6.user_id = nil # user got nuked p6.save! end describe "contains_gaps?" do it "works" do # does not contain contains_gaps with default filtering expect(topic_view.contains_gaps?).to eq(false) # contains contains_gaps when filtered by username" do expect(TopicView.new(topic.id, coding_horror, username_filters: ['eviltrout']).contains_gaps?).to eq(true) # contains contains_gaps when filtered by summary expect(TopicView.new(topic.id, coding_horror, filter: 'summary').contains_gaps?).to eq(true) # contains contains_gaps when filtered by best expect(TopicView.new(topic.id, coding_horror, best: 5).contains_gaps?).to eq(true) end end it "#restricts to correct topic" do t2 = Fabricate(:topic) category = Fabricate(:category, name: "my test") category.set_permissions(Group[:admins] => :full) category.save topic.category_id = category.id topic.save! expect{ TopicView.new(topic.id, coding_horror).posts.count }.to raise_error(Discourse::InvalidAccess) expect(TopicView.new(t2.id, coding_horror, post_ids: [p1.id,p2.id]).posts.count).to eq(0) end describe '#filter_posts_paged' do before { TopicView.stubs(:chunk_size).returns(2) } it 'returns correct posts for all pages' do expect(topic_view.filter_posts_paged(1)).to eq([p1, p2]) expect(topic_view.filter_posts_paged(2)).to eq([p3, p5]) expect(topic_view.filter_posts_paged(3)).to eq([]) expect(topic_view.filter_posts_paged(100)).to eq([]) end end describe "filter_posts_near" do def topic_view_near(post, show_deleted=false) TopicView.new(topic.id, coding_horror, post_number: post.post_number, show_deleted: show_deleted) end it "snaps to the lower boundary" do near_view = topic_view_near(p1) expect(near_view.desired_post).to eq(p1) expect(near_view.posts).to eq([p1, p2, p3]) expect(near_view.contains_gaps?).to eq(false) end it "snaps to the upper boundary" do near_view = topic_view_near(p5) expect(near_view.desired_post).to eq(p5) expect(near_view.posts).to eq([p2, p3, p5]) expect(near_view.contains_gaps?).to eq(false) end it "returns the posts in the middle" do near_view = topic_view_near(p2) expect(near_view.desired_post).to eq(p2) expect(near_view.posts).to eq([p1, p2, p3]) expect(near_view.contains_gaps?).to eq(false) end it "gaps deleted posts to an admin" do coding_horror.admin = true near_view = topic_view_near(p3) expect(near_view.desired_post).to eq(p3) expect(near_view.posts).to eq([p2, p3, p5]) expect(near_view.gaps.before).to eq({p5.id => [p4.id]}) expect(near_view.gaps.after).to eq({p5.id => [p6.id, p7.id]}) end it "returns deleted posts to an admin with show_deleted" do coding_horror.admin = true near_view = topic_view_near(p3, true) expect(near_view.desired_post).to eq(p3) expect(near_view.posts).to eq([p2, p3, p4]) expect(near_view.contains_gaps?).to eq(false) end it "gaps deleted posts by nuked users to an admin" do coding_horror.admin = true near_view = topic_view_near(p5) expect(near_view.desired_post).to eq(p5) # note: both p4 and p6 get skipped expect(near_view.posts).to eq([p2, p3, p5]) expect(near_view.gaps.before).to eq({p5.id => [p4.id]}) expect(near_view.gaps.after).to eq({p5.id => [p6.id, p7.id]}) end it "returns deleted posts by nuked users to an admin with show_deleted" do coding_horror.admin = true near_view = topic_view_near(p5, true) expect(near_view.desired_post).to eq(p5) expect(near_view.posts).to eq([p4, p5, p6]) expect(near_view.contains_gaps?).to eq(false) end context "when 'posts per page' exceeds the number of posts" do before { TopicView.stubs(:chunk_size).returns(100) } it 'returns all the posts' do near_view = topic_view_near(p5) expect(near_view.posts).to eq([p1, p2, p3, p5]) expect(near_view.contains_gaps?).to eq(false) end it 'gaps deleted posts to admins' do coding_horror.admin = true near_view = topic_view_near(p5) expect(near_view.posts).to eq([p1, p2, p3, p5]) expect(near_view.gaps.before).to eq({p5.id => [p4.id]}) expect(near_view.gaps.after).to eq({p5.id => [p6.id, p7.id]}) end it 'returns deleted posts to admins' do coding_horror.admin = true near_view = topic_view_near(p5, true) expect(near_view.posts).to eq([p1, p2, p3, p4, p5, p6, p7]) expect(near_view.contains_gaps?).to eq(false) end end end end end