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68 lines
2.2 KiB
68 lines
2.2 KiB
require 'rails_helper'
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RSpec.describe TrendingTags do
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describe '.record_use!' do
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pending
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end
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describe '.update!' do
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let!(:at_time) { Time.now.utc }
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let!(:tag1) { Fabricate(:tag, name: 'Catstodon', trendable: true) }
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let!(:tag2) { Fabricate(:tag, name: 'DogsOfMastodon', trendable: true) }
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let!(:tag3) { Fabricate(:tag, name: 'OCs', trendable: true) }
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before do
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allow(Redis.current).to receive(:pfcount) do |key|
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case key
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when "activity:tags:#{tag1.id}:#{(at_time - 1.day).beginning_of_day.to_i}:accounts"
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2
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when "activity:tags:#{tag1.id}:#{at_time.beginning_of_day.to_i}:accounts"
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16
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when "activity:tags:#{tag2.id}:#{(at_time - 1.day).beginning_of_day.to_i}:accounts"
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0
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when "activity:tags:#{tag2.id}:#{at_time.beginning_of_day.to_i}:accounts"
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4
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when "activity:tags:#{tag3.id}:#{(at_time - 1.day).beginning_of_day.to_i}:accounts"
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13
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end
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end
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Redis.current.zadd('trending_tags', 0.9, tag3.id)
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Redis.current.sadd("trending_tags:used:#{at_time.beginning_of_day.to_i}", [tag1.id, tag2.id])
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tag3.update(max_score: 0.9, max_score_at: (at_time - 1.day).beginning_of_day + 12.hours)
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described_class.update!(at_time)
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end
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it 'calculates and re-calculates scores' do
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expect(described_class.get(10, filtered: false)).to eq [tag1, tag3]
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end
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it 'omits hashtags below threshold' do
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expect(described_class.get(10, filtered: false)).to_not include(tag2)
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end
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it 'decays scores' do
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expect(Redis.current.zscore('trending_tags', tag3.id)).to be < 0.9
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end
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end
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describe '.trending?' do
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let(:tag) { Fabricate(:tag) }
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before do
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10.times { |i| Redis.current.zadd('trending_tags', i + 1, Fabricate(:tag).id) }
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end
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it 'returns true if the hashtag is within limit' do
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Redis.current.zadd('trending_tags', 11, tag.id)
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expect(described_class.trending?(tag)).to be true
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end
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it 'returns false if the hashtag is outside the limit' do
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Redis.current.zadd('trending_tags', 0, tag.id)
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expect(described_class.trending?(tag)).to be false
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end
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end
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end
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