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# frozen_string_literal: true
require 'spec_helper'
require 'json'
require 'tempfile'
RSpec.describe Gitlab::Git::RuggedImpl::UseRugged, :seed_helper do
let(:project) { create(:project, :repository) }
let(:repository) { project.repository }
let(:feature_flag_name) { 'feature-flag-name' }
let(:temp_gitaly_metadata_file) { create_temporary_gitaly_metadata_file }
before(:all) do
create_gitaly_metadata_file
end
subject(:wrapper) do
klazz = Class.new do
include Gitlab::Git::RuggedImpl::UseRugged
def rugged_test(ref, test_number)
end
end
klazz.new
end
before do
allow(Gitlab::GitalyClient).to receive(:can_use_disk?).and_call_original
Gitlab::GitalyClient.instance_variable_set(:@can_use_disk, {})
end
describe '#execute_rugged_call', :request_store do
let(:args) { ['refs/heads/master', 1] }
before do
allow(Gitlab::PerformanceBar).to receive(:enabled_for_request?).and_return(true)
end
it 'instruments Rugged call' do
expect(subject).to receive(:rugged_test).with(args)
subject.execute_rugged_call(:rugged_test, args)
expect(Gitlab::RuggedInstrumentation.query_count).to eq(1)
expect(Gitlab::RuggedInstrumentation.list_call_details.count).to eq(1)
end
end
context 'when feature flag is not persisted' do
context 'when running puma with multiple threads' do
before do
allow(subject).to receive(:running_puma_with_multiple_threads?).and_return(true)
end
it 'returns false' do
expect(subject.use_rugged?(repository, feature_flag_name)).to be false
end
end
context 'when not running puma with multiple threads' do
before do
allow(subject).to receive(:running_puma_with_multiple_threads?).and_return(false)
end
it 'returns true when gitaly matches disk' do
expect(subject.use_rugged?(repository, feature_flag_name)).to be true
end
it 'returns false when disk access fails' do
allow(Gitlab::GitalyClient).to receive(:storage_metadata_file_path).and_return("/fake/path/doesnt/exist")
expect(subject.use_rugged?(repository, feature_flag_name)).to be false
end
it "returns false when gitaly doesn't match disk" do
allow(Gitlab::GitalyClient).to receive(:storage_metadata_file_path).and_return(temp_gitaly_metadata_file)
expect(subject.use_rugged?(repository, feature_flag_name)).to be_falsey
File.delete(temp_gitaly_metadata_file)
end
it "doesn't lead to a second rpc call because gitaly client should use the cached value" do
expect(subject.use_rugged?(repository, feature_flag_name)).to be true
expect(Gitlab::GitalyClient).not_to receive(:filesystem_id)
subject.use_rugged?(repository, feature_flag_name)
end
end
end
context 'when feature flag is persisted' do
it 'returns false when the feature flag is off' do
Feature.disable(feature_flag_name)
expect(subject.use_rugged?(repository, feature_flag_name)).to be_falsey
end
it "returns true when feature flag is on" do
Feature.enable(feature_flag_name)
allow(Gitlab::GitalyClient).to receive(:can_use_disk?).and_return(false)
expect(subject.use_rugged?(repository, feature_flag_name)).to be true
end
end
describe '#running_puma_with_multiple_threads?' do
context 'when using Puma' do
before do
stub_const('::Puma', class_double('Puma'))
allow(Gitlab::Runtime).to receive(:puma?).and_return(true)
end
it "returns false when Puma doesn't support the cli_config method" do
allow(::Puma).to receive(:respond_to?).with(:cli_config).and_return(false)
expect(subject.running_puma_with_multiple_threads?).to be_falsey
end
it 'returns false for single thread Puma' do
allow(::Puma).to receive_message_chain(:cli_config, :options).and_return(max_threads: 1)
expect(subject.running_puma_with_multiple_threads?).to be false
end
it 'returns true for multi-threaded Puma' do
allow(::Puma).to receive_message_chain(:cli_config, :options).and_return(max_threads: 2)
expect(subject.running_puma_with_multiple_threads?).to be true
end
end
context 'when not using Puma' do
before do
allow(Gitlab::Runtime).to receive(:puma?).and_return(false)
end
it 'returns false' do
expect(subject.running_puma_with_multiple_threads?).to be false
end
end
end
describe '#rugged_enabled_through_feature_flag?' do
subject { wrapper.send(:rugged_enabled_through_feature_flag?) }
before do
allow(Feature).to receive(:enabled?).with(:feature_key_1).and_return(true)
allow(Feature).to receive(:enabled?).with(:feature_key_2).and_return(true)
allow(Feature).to receive(:enabled?).with(:feature_key_3).and_return(false)
allow(Feature).to receive(:enabled?).with(:feature_key_4).and_return(false)
stub_const('Gitlab::Git::RuggedImpl::Repository::FEATURE_FLAGS', feature_keys)
end
context 'no feature keys given' do
let(:feature_keys) { [] }
it { is_expected.to be_falsey }
end
context 'all features are enabled' do
let(:feature_keys) { [:feature_key_1, :feature_key_2] }
it { is_expected.to be_truthy}
end
context 'all features are not enabled' do
let(:feature_keys) { [:feature_key_3, :feature_key_4] }
it { is_expected.to be_falsey }
end
context 'some feature is enabled' do
let(:feature_keys) { [:feature_key_4, :feature_key_2] }
it { is_expected.to be_truthy }
end
end
def create_temporary_gitaly_metadata_file
tmp = Tempfile.new('.gitaly-metadata')
gitaly_metadata = {
"gitaly_filesystem_id" => "some-value"
}
tmp.write(gitaly_metadata.to_json)
tmp.flush
tmp.close
tmp.path
end
def create_gitaly_metadata_file
File.open(File.join(SEED_STORAGE_PATH, '.gitaly-metadata'), 'w+') do |f|
gitaly_metadata = {
"gitaly_filesystem_id" => SecureRandom.uuid
}
f.write(gitaly_metadata.to_json)
end
end
end
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