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# frozen_string_literal: true
require 'rails_helper'
RSpec.describe Trends::Statuses do
subject! { described_class.new(threshold: 5, review_threshold: 10, score_halflife: 8.hours) }
let!(:at_time) { DateTime.new(2021, 11, 14, 10, 15, 0) }
describe 'Trends::Statuses::Query' do
let!(:query) { subject.query }
let!(:today) { at_time }
let!(:status_foo) { Fabricate(:status, text: 'Foo', language: 'en', trendable: true, created_at: today) }
let!(:status_bar) { Fabricate(:status, text: 'Bar', language: 'en', trendable: true, created_at: today) }
before do
default_threshold_value.times { reblog(status_foo, today) }
default_threshold_value.times { reblog(status_bar, today) }
subject.refresh(today)
end
describe '#filtered_for' do
let(:account) { Fabricate(:account) }
it 'returns a composable query scope' do
expect(query.filtered_for(account)).to be_a Trends::Query
end
it 'filters out blocked accounts' do
account.block!(status_foo.account)
expect(query.filtered_for(account).to_a).to eq [status_bar]
end
it 'filters out muted accounts' do
account.mute!(status_bar.account)
expect(query.filtered_for(account).to_a).to eq [status_foo]
end
it 'filters out blocked-by accounts' do
status_foo.account.block!(account)
expect(query.filtered_for(account).to_a).to eq [status_bar]
end
end
end
describe '#add' do
let(:status) { Fabricate(:status) }
before do
subject.add(status, 1, at_time)
end
it 'records use' do
expect(subject.send(:recently_used_ids, at_time)).to eq [status.id]
end
end
describe '#query' do
it 'returns a composable query scope' do
expect(subject.query).to be_a Trends::Query
end
it 'responds to filtered_for' do
expect(subject.query).to respond_to(:filtered_for)
end
end
describe '#refresh' do
let!(:today) { at_time }
let!(:yesterday) { today - 1.day }
let!(:status_foo) { Fabricate(:status, text: 'Foo', language: 'en', trendable: true, created_at: yesterday) }
let!(:status_bar) { Fabricate(:status, text: 'Bar', language: 'en', trendable: true, created_at: today) }
let!(:status_baz) { Fabricate(:status, text: 'Baz', language: 'en', trendable: true, created_at: today) }
before do
default_threshold_value.times { reblog(status_foo, today) }
default_threshold_value.times { reblog(status_bar, today) }
(default_threshold_value - 1).times { reblog(status_baz, today) }
end
context 'when status trends are refreshed' do
before do
subject.refresh(today)
end
it 'returns correct statuses from query' do
results = subject.query.limit(10).to_a
expect(results).to eq [status_bar, status_foo]
expect(results).to_not include(status_baz)
end
end
it 'decays scores' do
subject.refresh(today)
original_score = status_bar.trend.score
expect(original_score).to be_a Float
subject.refresh(today + subject.options[:score_halflife])
decayed_score = status_bar.trend.reload.score
expect(decayed_score).to be <= original_score / 2
end
end
def reblog(status, at_time)
reblog = Fabricate(:status, reblog: status, created_at: at_time)
subject.add(status, reblog.account_id, at_time)
end
def default_threshold_value
described_class.default_options[:threshold]
end
end