diff options
Diffstat (limited to 'spec/lib/gitlab/ci/trace/checksum_spec.rb')
-rw-r--r-- | spec/lib/gitlab/ci/trace/checksum_spec.rb | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/spec/lib/gitlab/ci/trace/checksum_spec.rb b/spec/lib/gitlab/ci/trace/checksum_spec.rb new file mode 100644 index 00000000000..794794c3f69 --- /dev/null +++ b/spec/lib/gitlab/ci/trace/checksum_spec.rb @@ -0,0 +1,121 @@ +# frozen_string_literal: true + +require 'spec_helper' + +RSpec.describe Gitlab::Ci::Trace::Checksum do + let(:build) { create(:ci_build, :running) } + + subject { described_class.new(build) } + + context 'when build pending state exists' do + before do + create(:ci_build_pending_state, build: build, trace_checksum: 'crc32:d4777540') + end + + context 'when matching persisted trace chunks exist' do + before do + create_chunk(index: 0, data: 'a' * 128.kilobytes) + create_chunk(index: 1, data: 'b' * 128.kilobytes) + create_chunk(index: 2, data: 'ccccccccccccccccc') + end + + it 'calculates combined trace chunks CRC32 correctly' do + expect(subject.chunks_crc32).to eq 3564598592 + expect(subject).to be_valid + end + end + + context 'when trace chunks were persisted in a wrong order' do + before do + create_chunk(index: 0, data: 'b' * 128.kilobytes) + create_chunk(index: 1, data: 'a' * 128.kilobytes) + create_chunk(index: 2, data: 'ccccccccccccccccc') + end + + it 'makes trace checksum invalid' do + expect(subject).not_to be_valid + end + end + + context 'when one of the trace chunks is missing' do + before do + create_chunk(index: 0, data: 'a' * 128.kilobytes) + create_chunk(index: 2, data: 'ccccccccccccccccc') + end + + it 'makes trace checksum invalid' do + expect(subject).not_to be_valid + end + end + + context 'when checksums of persisted trace chunks do not match' do + before do + create_chunk(index: 0, data: 'a' * 128.kilobytes) + create_chunk(index: 1, data: 'X' * 128.kilobytes) + create_chunk(index: 2, data: 'ccccccccccccccccc') + end + + it 'makes trace checksum invalid' do + expect(subject).not_to be_valid + end + end + + context 'when persisted trace chunks are missing' do + it 'makes trace checksum invalid' do + expect(subject.state_crc32).to eq 3564598592 + expect(subject).not_to be_valid + end + end + end + + context 'when build pending state is missing' do + describe '#state_crc32' do + it 'returns nil' do + expect(subject.state_crc32).to be_nil + end + end + + describe '#valid?' do + it { is_expected.not_to be_valid } + end + end + + describe '#trace_chunks' do + before do + create_chunk(index: 0, data: 'abcdefg') + end + + it 'does not load raw_data from a database store' do + subject.trace_chunks.first.then do |chunk| + expect(chunk).to be_database + expect { chunk.raw_data } + .to raise_error ActiveModel::MissingAttributeError + end + end + end + + describe '#last_chunk' do + context 'when there are no chunks' do + it 'returns nil' do + expect(subject.last_chunk).to be_nil + end + end + + context 'when there are multiple chunks' do + before do + create_chunk(index: 1, data: '1234') + create_chunk(index: 0, data: 'abcd') + end + + it 'returns chunk with the highest index' do + expect(subject.last_chunk.chunk_index).to eq 1 + end + end + end + + def create_chunk(index:, data:) + create(:ci_build_trace_chunk, :persisted, build: build, + chunk_index: index, + initial_data: data) + end +end |