67 lines
2.4 KiB
Ruby
67 lines
2.4 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Users::UpdateTodoCountCacheService do
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describe '#execute' do
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let_it_be(:user1) { create(:user) }
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let_it_be(:user2) { create(:user) }
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let_it_be(:todo1) { create(:todo, user: user1, state: :done) }
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let_it_be(:todo2) { create(:todo, user: user1, state: :done) }
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let_it_be(:todo3) { create(:todo, user: user1, state: :pending) }
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let_it_be(:todo4) { create(:todo, user: user2, state: :done) }
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let_it_be(:todo5) { create(:todo, user: user2, state: :pending) }
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let_it_be(:todo6) { create(:todo, user: user2, state: :pending) }
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def execute_all
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described_class.new([user1.id, user2.id]).execute
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end
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def execute_single
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described_class.new([user1.id]).execute
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end
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it 'updates the todos_counts for users', :use_clean_rails_memory_store_caching do
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Rails.cache.write(['users', user1.id, 'todos_done_count'], 0)
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Rails.cache.write(['users', user1.id, 'todos_pending_count'], 0)
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Rails.cache.write(['users', user2.id, 'todos_done_count'], 0)
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Rails.cache.write(['users', user2.id, 'todos_pending_count'], 0)
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expect { execute_all }
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.to change(user1, :todos_done_count).from(0).to(2)
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.and change(user1, :todos_pending_count).from(0).to(1)
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.and change(user2, :todos_done_count).from(0).to(1)
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.and change(user2, :todos_pending_count).from(0).to(2)
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Todo.delete_all
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expect { execute_all }
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.to change(user1, :todos_done_count).from(2).to(0)
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.and change(user1, :todos_pending_count).from(1).to(0)
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.and change(user2, :todos_done_count).from(1).to(0)
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.and change(user2, :todos_pending_count).from(2).to(0)
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end
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it 'avoids N+1 queries' do
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control_count = ActiveRecord::QueryRecorder.new { execute_single }.count
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expect { execute_all }.not_to exceed_query_limit(control_count)
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end
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it 'executes one query per batch of users' do
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stub_const("#{described_class}::QUERY_BATCH_SIZE", 1)
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expect(ActiveRecord::QueryRecorder.new { execute_single }.count).to eq(1)
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expect(ActiveRecord::QueryRecorder.new { execute_all }.count).to eq(2)
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end
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it 'sets the correct cache expire time' do
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expect(Rails.cache).to receive(:write)
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.with(['users', user1.id, anything], anything, expires_in: User::COUNT_CACHE_VALIDITY_PERIOD)
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.twice
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execute_single
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end
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end
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end
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