discourse/spec/components/topic_view_spec.rb

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require 'spec_helper'
require 'topic_view'
describe TopicView do
let(:topic) { create_topic }
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let(:coding_horror) { Fabricate(:coding_horror) }
let(:first_poster) { topic.user }
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let(:topic_view) { TopicView.new(topic.id, coding_horror) }
it "raises a not found error if the topic doesn't exist" do
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expect { TopicView.new(1231232, coding_horror) }.to raise_error(Discourse::NotFound)
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end
it "raises an error if the user can't see the topic" do
Guardian.any_instance.expects(:can_see?).with(topic).returns(false)
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expect { topic_view }.to raise_error(Discourse::InvalidAccess)
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end
it "handles deleted topics" do
admin = Fabricate(:admin)
topic.trash!(admin)
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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
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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)
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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)
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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))
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expect(topic.posts.count).to eq(4)
# should not get the status post
best = TopicView.new(topic.id, nil, best: 99)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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expect { TopicView.new(topic.id, nil) }.to raise_error(Discourse::NotLoggedIn)
end
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it "provides an absolute url" do
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expect(topic_view.absolute_url).to be_present
end
it "provides a summary of the first post" do
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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
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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
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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
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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
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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
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expect(topic_view.participants.to_a).to match_array([[first_poster.id, first_poster], [coding_horror.id, coding_horror]])
end
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end
context '.all_post_actions' do
it 'is blank at first' do
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expect(topic_view.all_post_actions).to be_blank
end
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it 'returns the like' do
PostAction.act(coding_horror, p1, PostActionType.types[:like])
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expect(topic_view.all_post_actions[p1.id][PostActionType.types[:like]]).to be_present
end
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end
context '.all_active_flags' do
it 'is blank at first' do
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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])
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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)
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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
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expect(TopicView.new(topic.id).read?(1)).to eq(true)
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# random user has nothing
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expect(topic_view.read?(1)).to eq(false)
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coding_horror.created_at = 2.days.ago
# a real user that just read it should have it marked
PostTiming.process_timings(coding_horror, topic.id, 1, [[1,1000]])
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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
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end
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context '.topic_user' do
it 'returns nil when there is no user' do
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expect(TopicView.new(topic.id, nil).topic_user).to be_blank
end
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end
context '#recent_posts' do
before do
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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
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it 'returns at most 25 recent posts ordered newest first' do
recent_posts = topic_view.recent_posts
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# count
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expect(recent_posts.count).to eq(25)
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# ordering
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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
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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)}
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before do
TopicView.stubs(:chunk_size).returns(3)
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# 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
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end
p6.user_id = nil # user got nuked
p6.save!
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end
describe "contains_gaps?" do
it "works" do
# does not contain contains_gaps with default filtering
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expect(topic_view.contains_gaps?).to eq(false)
# contains contains_gaps when filtered by username" do
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expect(TopicView.new(topic.id, coding_horror, username_filters: ['eviltrout']).contains_gaps?).to eq(true)
# contains contains_gaps when filtered by summary
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expect(TopicView.new(topic.id, coding_horror, filter: 'summary').contains_gaps?).to eq(true)
# contains contains_gaps when filtered by best
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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)
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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
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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
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def topic_view_near(post, show_deleted=false)
TopicView.new(topic.id, coding_horror, post_number: post.post_number, show_deleted: show_deleted)
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end
it "snaps to the lower boundary" do
near_view = topic_view_near(p1)
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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)
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end
it "snaps to the upper boundary" do
near_view = topic_view_near(p5)
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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)
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end
it "returns the posts in the middle" do
near_view = topic_view_near(p2)
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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)
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end
it "gaps deleted posts to an admin" do
coding_horror.admin = true
near_view = topic_view_near(p3)
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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)
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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)
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expect(near_view.desired_post).to eq(p5)
# note: both p4 and p6 get skipped
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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)
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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)
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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)
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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)
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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
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end