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require 'spec_helper'
describe Projects::CountService do
let(:project) { build(:project, id: 1) }
let(:service) { described_class.new(project) }
describe '.query' do
it 'raises NotImplementedError' do
expect { described_class.query(project.id) }.to raise_error(NotImplementedError)
end
end
describe '#relation_for_count' do
it 'calls the class method query with the project id' do
expect(described_class).to receive(:query).with(project.id)
service.relation_for_count
end
end
describe '#count' do
before do
allow(service).to receive(:cache_key_name).and_return('count_service')
end
it 'returns the number of rows' do
allow(service).to receive(:uncached_count).and_return(1)
expect(service.count).to eq(1)
end
it 'caches the number of rows', :use_clean_rails_memory_store_caching do
expect(service).to receive(:uncached_count).once.and_return(1)
2.times do
expect(service.count).to eq(1)
end
end
end
describe '#refresh_cache', :use_clean_rails_memory_store_caching do
before do
allow(service).to receive(:cache_key_name).and_return('count_service')
end
it 'refreshes the cache' do
expect(service).to receive(:uncached_count).once.and_return(1)
service.refresh_cache
expect(service.count).to eq(1)
end
end
describe '#delete_cache', :use_clean_rails_memory_store_caching do
before do
allow(service).to receive(:cache_key_name).and_return('count_service')
end
it 'removes the cache' do
expect(service).to receive(:uncached_count).twice.and_return(1)
service.count
service.delete_cache
service.count
end
end
describe '#cache_key_name' do
it 'raises NotImplementedError' do
expect { service.cache_key_name }.to raise_error(NotImplementedError)
end
end
describe '#cache_key' do
it 'returns the cache key as an Array' do
allow(service).to receive(:cache_key_name).and_return('foo')
expect(service.cache_key).to eq(['projects', 'count_service', described_class::VERSION, 1, 'foo'])
end
end
end
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