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
lambda { TopicView.new(1231232, coding_horror) }.should 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)
lambda { topic_view }.should raise_error(Discourse::InvalidAccess)
end
it "handles deleted topics" do
topic.trash!(coding_horror)
lambda { TopicView.new(topic.id, coding_horror) }.should raise_error(Discourse::NotFound)
coding_horror.stubs(:staff?).returns(true)
lambda { TopicView.new(topic.id, coding_horror) }.should_not raise_error
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)
best2.posts.count.should == 2
best2.posts[0].id.should == p2.id
best2.posts[1].id.should == p3.id
topic.update_status('closed', true, Fabricate(:admin))
topic.posts.count.should == 4
# should not get the status post
best = TopicView.new(topic.id, nil, best: 99)
best.posts.count.should == 2
best.filtered_post_ids.size.should == 3
best.current_post_ids.should =~ [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)
best.posts.count.should == 0
# should filter out the posts with a score that is too low
best = TopicView.new(topic.id, nil, best: 99, min_score: 99)
best.posts.count.should == 0
# should filter out everything if min replies not met
best = TopicView.new(topic.id, nil, best: 99, min_replies: 99)
best.posts.count.should == 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)
best.posts.count.should == 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)
best.posts.count.should == 0
# If we restrict to posts a moderator liked, return none
best = TopicView.new(topic.id, nil, best: 99, only_moderator_liked: true)
best.posts.count.should == 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)
best.posts.count.should == 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)
best.posts.count.should == 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)
lambda { TopicView.new(topic.id, nil) }.should raise_error(Discourse::NotLoggedIn)
end
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it "provides an absolute url" do
topic_view.absolute_url.should be_present
end
it "provides a summary of the first post" do
topic_view.summary.should 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
TopicView.new(1234, user).canonical_path.should eql(path)
TopicView.new(1234, user, page: 5).canonical_path.should eql("/1234?page=5")
end
it "generates a canonical correctly for paged results" do
SiteSetting.stubs(:posts_per_page).returns(5)
TopicView.new(1234, user, post_number: 50).canonical_path.should 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)
SiteSetting.stubs(:posts_per_page).returns(2)
end
it "should return the next page" do
TopicView.new(1234, user).next_page.should eql(2)
end
end
context '.post_counts_by_user' do
it 'returns the two posters with their counts' do
topic_view.post_counts_by_user.to_a.should =~ [[first_poster.id, 2], [coding_horror.id, 1]]
end
end
context '.participants' do
it 'returns the two participants hashed by id' do
topic_view.participants.to_a.should =~ [[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
topic_view.all_post_actions.should be_blank
end
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it 'returns the like' do
PostAction.act(coding_horror, p1, PostActionType.types[:like])
topic_view.all_post_actions[p1.id][PostActionType.types[:like]].should be_present
end
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end
context '.read?' do
it 'tracks correctly' do
# anon has nothing
TopicView.new(topic.id).read?(1).should be_false
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# random user has nothing
topic_view.read?(1).should be_false
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# a real user that just read it should have it marked
PostTiming.process_timings(coding_horror, topic.id, 1, [[1,1000]])
TopicView.new(topic.id, coding_horror).read?(1).should be_true
TopicView.new(topic.id, coding_horror).topic_user.should 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
TopicView.new(topic.id, nil).topic_user.should be_blank
end
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end
context '#recent_posts' do
before do
24.times do # our let()s have already created 3
Fabricate(:post, topic: topic, user: first_poster)
end
end
it 'returns at most 25 recent posts ordered newest first' do
recent_posts = topic_view.recent_posts
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# count
recent_posts.count.should == 25
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# ordering
recent_posts.include?(p1).should be_false
recent_posts.include?(p3).should be_true
recent_posts.first.created_at.should > 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!(:p4) { Fabricate(:post, topic: topic, user: coding_horror, deleted_at: Time.now)}
let!(:p1) { Fabricate(:post, topic: topic, user: first_poster)}
let!(:p3) { Fabricate(:post, topic: topic, user: first_poster)}
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before do
SiteSetting.stubs(:posts_per_page).returns(3)
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# Update them to the sort order we're checking for
[p1, p2, p3, p4, p5].each_with_index do |p, idx|
p.sort_order = idx + 1
p.save
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end
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end
describe '#filter_posts_paged' do
before { SiteSetting.stubs(:posts_per_page).returns(2) }
it 'returns correct posts for all pages' do
topic_view.filter_posts_paged(1).should == [p1, p2]
topic_view.filter_posts_paged(2).should == [p3, p5]
topic_view.filter_posts_paged(100).should == []
end
end
describe "filter_posts_near" do
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def topic_view_near(post)
TopicView.new(topic.id, coding_horror, post_number: post.post_number)
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end
it "snaps to the lower boundary" do
near_view = topic_view_near(p1)
near_view.desired_post.should == p1
near_view.posts.should == [p1, p2, p3]
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end
it "snaps to the upper boundary" do
near_view = topic_view_near(p5)
near_view.desired_post.should == p5
near_view.posts.should == [p2, p3, p5]
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end
it "returns the posts in the middle" do
near_view = topic_view_near(p2)
near_view.desired_post.should == p2
near_view.posts.should == [p1, p2, p3]
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end
it "returns deleted posts to an admin" do
coding_horror.admin = true
near_view = topic_view_near(p3)
near_view.desired_post.should == p3
near_view.posts.should == [p2, p3, p4]
end
context "when 'posts per page' exceeds the number of posts" do
before { SiteSetting.stubs(:posts_per_page).returns(100) }
it 'returns all the posts' do
near_view = topic_view_near(p5)
near_view.posts.should == [p1, p2, p3, p5]
end
end
end
end
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end