mirror of
https://github.com/discourse/discourse.git
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4ea21fa2d0
This change both speeds up specs (less strings to allocate) and helps catch cases where methods in Discourse are mutating inputs. Overall we will be migrating everything to use #frozen_string_literal: true it will take a while, but this is the first and safest move in this direction
148 lines
6.0 KiB
Ruby
148 lines
6.0 KiB
Ruby
# frozen_string_literal: true
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require 'rails_helper'
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describe TopTopic do
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describe '#sorted_periods' do
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context "verify enum sequence" do
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before do
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@sorted_periods = TopTopic.sorted_periods
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end
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it "'daily' should be at 1st position" do
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expect(@sorted_periods[:daily]).to eq(1)
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end
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it "'all' should be at 6th position" do
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expect(@sorted_periods[:all]).to eq(6)
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end
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end
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end
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it { is_expected.to belong_to :topic }
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context "refresh!" do
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let!(:t1) { Fabricate(:topic) }
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let!(:t2) { Fabricate(:topic) }
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it "begins blank" do
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expect(TopTopic.all).to be_blank
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end
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context "after calculating" do
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before do
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TopTopic.refresh!
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end
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it "should have top topics" do
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expect(TopTopic.pluck(:topic_id)).to match_array([t1.id, t2.id])
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end
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end
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end
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describe "#compute_top_score_for" do
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let(:user) { Fabricate(:user) }
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let(:coding_horror) { Fabricate(:coding_horror) }
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let!(:topic_1) { Fabricate(:topic, posts_count: 10, like_count: 28) }
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let!(:t1_post_1) { Fabricate(:post, topic: topic_1, like_count: 28, post_number: 1) }
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let!(:topic_2) { Fabricate(:topic, posts_count: 10, like_count: 20) }
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let!(:t2_post_1) { Fabricate(:post, topic: topic_2, like_count: 10, post_number: 1) }
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let!(:t2_post_2) { Fabricate(:post, topic: topic_2, like_count: 10) }
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let!(:topic_3) { Fabricate(:topic, posts_count: 10) }
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let!(:t3_post_1) { Fabricate(:post, topic_id: topic_3.id) }
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let!(:t3_view_1) { TopicViewItem.add(topic_3.id, '127.0.0.1', user) }
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let!(:t3_view_2) { TopicViewItem.add(topic_3.id, '127.0.0.2', coding_horror) }
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# Note: all topics has 10 posts so we can skip "0 - ((10 - topics.posts_count) / 20) * #{period}_op_likes_count" calculation
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it "should compute top score" do
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# Default Formula: log(views_count) * {2} + op_likes_count * {0.5} + LEAST(likes_count / posts_count, {3}) + 10 + log(posts_count)
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#
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# topic_1 => 0 + 14 + 3 + 10 + 0 => 27
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# topic_2 => 0 + 5 + 3 + 10 + 0.301029995664 => 18.301029995664
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# topic_3 => 0.602059991328 + 0 + 0 + 10 + 0 => 10.602059991328
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TopTopic.refresh!
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top_topics = TopTopic.all
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expect(top_topics.where(topic_id: topic_1.id).pluck(:yearly_score).first).to eq(27)
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expect(top_topics.where(topic_id: topic_2.id).pluck(:yearly_score).first).to eq(18.301029995664)
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expect(top_topics.where(topic_id: topic_3.id).pluck(:yearly_score).first).to eq(10.602059991328)
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# when 'top_topics_formula_log_views_multiplier' setting is changed
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SiteSetting.top_topics_formula_log_views_multiplier = 4
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SiteSetting.top_topics_formula_first_post_likes_multiplier = 0.5 # unchanged
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SiteSetting.top_topics_formula_least_likes_per_post_multiplier = 3 # unchanged
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# New Formula: log(views_count) * {4} + op_likes_count * {0.5} + LEAST(likes_count / posts_count, {3}) + 10 + log(posts_count)
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#
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# topic_1 => 0 + 14 + 3 + 10 + 0 => 27
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# topic_2 => 0 + 5 + 3 + 10 + 0.301029995664 => 18.301029995664
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# topic_3 => 1.2041199826559 + 0 + 0 + 10 + 0 => 11.2041199826559
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TopTopic.refresh!
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top_topics = TopTopic.all
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expect(top_topics.where(topic_id: topic_1.id).pluck(:yearly_score).first).to eq(27)
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expect(top_topics.where(topic_id: topic_2.id).pluck(:yearly_score).first).to eq(18.301029995664)
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expect(top_topics.where(topic_id: topic_3.id).pluck(:yearly_score).first).to eq(11.2041199826559)
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# when 'top_topics_formula_first_post_likes_multiplier' setting is changed
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SiteSetting.top_topics_formula_log_views_multiplier = 2 # unchanged
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SiteSetting.top_topics_formula_first_post_likes_multiplier = 2
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SiteSetting.top_topics_formula_least_likes_per_post_multiplier = 3 # unchanged
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# New Formula: log(views_count) * {2} + op_likes_count * {2} + LEAST(likes_count / posts_count, {3}) + 10 + log(posts_count)
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#
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# topic_1 => 0 + 56 + 3 + 10 + 0 => 69
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# topic_2 => 0 + 20 + 3 + 10 + 0.301029995664 => 33.301029995664
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# topic_3 => 0.602059991328 + 0 + 0 + 10 + 0 => 10.602059991328
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TopTopic.refresh!
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top_topics = TopTopic.all
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expect(top_topics.where(topic_id: topic_1.id).pluck(:yearly_score).first).to eq(69)
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expect(top_topics.where(topic_id: topic_2.id).pluck(:yearly_score).first).to eq(33.301029995664)
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expect(top_topics.where(topic_id: topic_3.id).pluck(:yearly_score).first).to eq(10.602059991328)
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# when 'top_topics_formula_least_likes_per_post_multiplier' setting is changed
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SiteSetting.top_topics_formula_log_views_multiplier = 2 # unchanged
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SiteSetting.top_topics_formula_first_post_likes_multiplier = 0.5 # unchanged
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SiteSetting.top_topics_formula_least_likes_per_post_multiplier = 6
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# New Formula: log(views_count) * {2} + op_likes_count * {0.5} + LEAST(likes_count / posts_count, {6}) + 10 + log(posts_count)
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#
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# topic_1 => 0 + 14 + 6 + 10 + 0 => 30
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# topic_2 => 0 + 5 + 6 + 10 + 0.301029995664 => 21.301029995664
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# topic_3 => 0.602059991328 + 0 + 0 + 10 + 0 => 10.602059991328
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TopTopic.refresh!
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top_topics = TopTopic.all
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expect(top_topics.where(topic_id: topic_1.id).pluck(:yearly_score).first).to eq(30)
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expect(top_topics.where(topic_id: topic_2.id).pluck(:yearly_score).first).to eq(21.301029995664)
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expect(top_topics.where(topic_id: topic_3.id).pluck(:yearly_score).first).to eq(10.602059991328)
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# handles invalid string value
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SiteSetting.top_topics_formula_log_views_multiplier = "not good"
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SiteSetting.top_topics_formula_first_post_likes_multiplier = "not good"
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SiteSetting.top_topics_formula_least_likes_per_post_multiplier = "not good"
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TopTopic.refresh!
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top_topics = TopTopic.all
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expect(top_topics.where(topic_id: topic_1.id).pluck(:yearly_score).first).to eq(27)
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expect(top_topics.where(topic_id: topic_2.id).pluck(:yearly_score).first).to eq(18.301029995664)
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expect(top_topics.where(topic_id: topic_3.id).pluck(:yearly_score).first).to eq(10.602059991328)
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end
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end
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end
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