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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Git::ObjectPool do
let(:pool_repository) { create(:pool_repository) }
let(:source_repository) { pool_repository.source_project.repository }
subject { pool_repository.object_pool }
describe '#storage' do
it "equals the pool repository's shard name" do
expect(subject.storage).not_to be_nil
expect(subject.storage).to eq(pool_repository.shard_name)
end
end
describe '#create' do
before do
subject.create # rubocop:disable Rails/SaveBang
end
context "when the pool doesn't exist yet" do
it 'creates the pool' do
expect(subject.exists?).to be(true)
end
end
context 'when the pool already exists' do
it 'raises an FailedPrecondition' do
expect do
subject.create # rubocop:disable Rails/SaveBang
end.to raise_error(GRPC::FailedPrecondition)
end
end
end
describe '#exists?' do
context "when the object pool doesn't exist" do
it 'returns false' do
expect(subject.exists?).to be(false)
end
end
context 'when the object pool exists' do
let(:pool) { create(:pool_repository, :ready) }
subject { pool.object_pool }
it 'returns true' do
expect(subject.exists?).to be(true)
end
end
end
describe '#link' do
let!(:pool_repository) { create(:pool_repository, :ready) }
context 'when linked for the first time' do
it 'sets a remote' do
expect do
subject.link(source_repository)
end.not_to raise_error
end
end
context 'when the remote is already set' do
before do
subject.link(source_repository)
end
it "doesn't raise an error" do
expect do
subject.link(source_repository)
end.not_to raise_error
end
end
end
describe '#fetch' do
context 'when the object pool repository exists' do
let!(:pool_repository) { create(:pool_repository, :ready) }
context 'without changes' do
it 'does not raise an error' do
expect { subject.fetch }.not_to raise_error
end
end
context 'with new commit in source repository' do
let(:branch_name) { Gitlab::Git::Ref.extract_branch_name(source_repository.root_ref) }
let(:source_ref_name) { "refs/heads/#{branch_name}" }
let(:pool_ref_name) { "refs/remotes/origin/heads/#{branch_name}" }
let(:new_commit_id) do
source_repository.create_file(
pool_repository.source_project.owner,
'a.file',
'This is a file',
branch_name: branch_name,
message: 'Add a file'
)
end
it 'fetches objects from the source repository' do
# Sanity-check that the commit does not yet exist in the pool repository.
expect(subject.repository.commit(new_commit_id)).to be_nil
subject.fetch
expect(subject.repository.commit(pool_ref_name).id).to eq(new_commit_id)
expect(subject.repository.commit_count(pool_ref_name))
.to eq(source_repository.raw_repository.commit_count(source_ref_name))
end
end
end
end
end
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