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# frozen_string_literal: true
require 'spec_helper'
describe Projects::GitDeduplicationService do
include ExclusiveLeaseHelpers
let(:pool) { create(:pool_repository, :ready) }
let(:project) { create(:project, :repository) }
let(:lease_key) { "git_deduplication:#{project.id}" }
let(:lease_timeout) { Projects::GitDeduplicationService::LEASE_TIMEOUT }
subject(:service) { described_class.new(project) }
describe '#execute' do
context 'when there is not already a lease' do
context 'when the project does not have a pool repository' do
it 'calls disconnect_git_alternates' do
stub_exclusive_lease(lease_key, timeout: lease_timeout)
expect(project.repository).to receive(:disconnect_alternates)
service.execute
end
end
context 'when the project has a pool repository' do
let(:project) { create(:project, :repository, pool_repository: pool) }
context 'when the project is a source project' do
let(:lease_key) { "git_deduplication:#{pool.source_project.id}" }
subject(:service) { described_class.new(pool.source_project) }
it 'calls fetch' do
stub_exclusive_lease(lease_key, timeout: lease_timeout)
allow(pool.source_project).to receive(:git_objects_poolable?).and_return(true)
expect(pool.object_pool).to receive(:fetch)
service.execute
end
it 'does not call fetch if git objects are not poolable' do
stub_exclusive_lease(lease_key, timeout: lease_timeout)
allow(pool.source_project).to receive(:git_objects_poolable?).and_return(false)
expect(pool.object_pool).not_to receive(:fetch)
service.execute
end
it 'does not call fetch if pool and project are not on the same storage' do
stub_exclusive_lease(lease_key, timeout: lease_timeout)
allow(pool.source_project.repository).to receive(:storage).and_return('special_storage_001')
expect(pool.object_pool).not_to receive(:fetch)
service.execute
end
end
it 'links the repository to the object pool' do
expect(project).to receive(:link_pool_repository)
service.execute
end
it 'does not link the repository to the object pool if they are not on the same storage' do
allow(project.repository).to receive(:storage).and_return('special_storage_001')
expect(project).not_to receive(:link_pool_repository)
service.execute
end
end
context 'when a lease is already out' do
before do
stub_exclusive_lease_taken(lease_key, timeout: lease_timeout)
end
it 'fails when a lease is already out' do
expect(service).to receive(:log_error).with('Cannot obtain an exclusive lease. There must be another instance already in execution.')
service.execute
end
end
end
end
end
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