2023-02-22 00:55:31 +00:00
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# frozen_string_literal: true
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2021-11-25 12:07:38 +00:00
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require 'rails_helper'
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RSpec.describe Trends::Tags do
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subject { described_class.new(threshold: 5, review_threshold: 10) }
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let!(:at_time) { DateTime.new(2021, 11, 14, 10, 15, 0) }
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describe '#add' do
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let(:tag) { Fabricate(:tag) }
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before do
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subject.add(tag, 1, at_time)
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end
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it 'records history' do
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expect(tag.history.get(at_time).accounts).to eq 1
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end
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it 'records use' do
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expect(subject.send(:recently_used_ids, at_time)).to eq [tag.id]
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end
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end
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2022-02-24 23:34:14 +00:00
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describe '#query' do
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2021-11-25 12:07:38 +00:00
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pending
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end
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describe '#refresh' do
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let!(:today) { at_time }
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let!(:yesterday) { today - 1.day }
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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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2.times { |i| subject.add(tag1, i, yesterday) }
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13.times { |i| subject.add(tag3, i, yesterday) }
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16.times { |i| subject.add(tag1, i, today) }
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4.times { |i| subject.add(tag2, i, today) }
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end
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context do
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before do
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subject.refresh(yesterday + 12.hours)
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subject.refresh(at_time)
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end
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it 'calculates and re-calculates scores' do
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2022-02-24 23:34:14 +00:00
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expect(subject.query.limit(10).to_a).to eq [tag1, tag3]
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2021-11-25 12:07:38 +00:00
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end
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it 'omits hashtags below threshold' do
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2022-02-24 23:34:14 +00:00
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expect(subject.query.limit(10).to_a).to_not include(tag2)
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2021-11-25 12:07:38 +00:00
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end
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end
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it 'decays scores' do
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subject.refresh(yesterday + 12.hours)
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original_score = subject.score(tag3.id)
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expect(original_score).to eq 144.0
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subject.refresh(yesterday + 12.hours + subject.options[:max_score_halflife])
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decayed_score = subject.score(tag3.id)
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expect(decayed_score).to be <= original_score / 2
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end
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end
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end
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