442 lines
11 KiB
Ruby
442 lines
11 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Gitlab::Ci::Trace::Stream, :clean_gitlab_redis_cache do
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let_it_be(:build) { create(:ci_build, :running) }
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before do
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stub_feature_flags(ci_enable_live_trace: true)
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end
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describe 'delegates' do
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subject { described_class.new { nil } }
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it { is_expected.to delegate_method(:close).to(:stream) }
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it { is_expected.to delegate_method(:tell).to(:stream) }
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it { is_expected.to delegate_method(:seek).to(:stream) }
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it { is_expected.to delegate_method(:size).to(:stream) }
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it { is_expected.to delegate_method(:path).to(:stream) }
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it { is_expected.to delegate_method(:truncate).to(:stream) }
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it { is_expected.to delegate_method(:valid?).to(:stream).as(:present?) }
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end
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describe '#limit' do
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shared_examples_for 'limits' do
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it 'if size is larger we start from beginning' do
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stream.limit(20)
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expect(stream.tell).to eq(0)
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end
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it 'if size is smaller we start from the end' do
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stream.limit(2)
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expect(stream.raw).to eq("8")
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end
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context 'when the trace contains ANSI sequence and Unicode' do
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let(:stream) do
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described_class.new do
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File.open(expand_fixture_path('trace/ansi-sequence-and-unicode'))
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end
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end
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it 'forwards to the next linefeed, case 1' do
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stream.limit(7)
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result = stream.raw
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expect(result).to eq('')
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expect(result.encoding).to eq(Encoding.default_external)
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end
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it 'forwards to the next linefeed, case 2' do
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stream.limit(29)
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result = stream.raw
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expect(result).to eq("\e[01;32m許功蓋\e[0m\n")
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expect(result.encoding).to eq(Encoding.default_external)
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end
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# See https://gitlab.com/gitlab-org/gitlab-foss/issues/30796
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it 'reads in binary, output as Encoding.default_external' do
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stream.limit(52)
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result = stream.html
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expect(result).to eq(
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"<span>ヾ(´༎ຶД༎ຶ`)ﾉ<br/></span>"\
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"<span class=\"term-fg-green\">許功蓋</span>"\
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"<span><br/></span>")
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expect(result.encoding).to eq(Encoding.default_external)
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end
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end
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end
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context 'when stream is StringIO' do
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let(:stream) do
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described_class.new do
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StringIO.new((1..8).to_a.join("\n"))
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end
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end
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it_behaves_like 'limits'
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end
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context 'when stream is ChunkedIO' do
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let(:stream) do
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described_class.new do
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Gitlab::Ci::Trace::ChunkedIO.new(build).tap do |chunked_io|
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chunked_io.write((1..8).to_a.join("\n"))
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chunked_io.seek(0, IO::SEEK_SET)
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end
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end
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end
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it_behaves_like 'limits'
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end
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end
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describe '#append' do
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shared_examples_for 'appends' do
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it "truncates and append content" do
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stream.append(+"89", 4)
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stream.seek(0)
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expect(stream.size).to eq(6)
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expect(stream.raw).to eq("123489")
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end
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it 'appends in binary mode' do
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(+'😺').force_encoding('ASCII-8BIT').each_char.with_index do |byte, offset|
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stream.append(byte, offset)
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end
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stream.seek(0)
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expect(stream.size).to eq(4)
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expect(stream.raw).to eq('😺')
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end
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end
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context 'when stream is Tempfile' do
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let(:tempfile) { Tempfile.new }
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let(:stream) do
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described_class.new do
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tempfile.write("12345678")
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tempfile.rewind
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tempfile
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end
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end
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after do
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tempfile.unlink
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end
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it_behaves_like 'appends'
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end
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context 'when stream is ChunkedIO' do
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let(:stream) do
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described_class.new do
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Gitlab::Ci::Trace::ChunkedIO.new(build).tap do |chunked_io|
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chunked_io.write('12345678')
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chunked_io.seek(0, IO::SEEK_SET)
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end
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end
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end
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it_behaves_like 'appends'
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end
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end
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describe '#set' do
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shared_examples_for 'sets' do
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before do
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stream.set(+"8901")
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end
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it "overwrite content" do
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stream.seek(0)
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expect(stream.size).to eq(4)
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expect(stream.raw).to eq("8901")
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end
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end
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context 'when stream is StringIO' do
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let(:stream) do
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described_class.new do
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StringIO.new(+"12345678")
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end
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end
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it_behaves_like 'sets'
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end
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context 'when stream is ChunkedIO' do
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let(:stream) do
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described_class.new do
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Gitlab::Ci::Trace::ChunkedIO.new(build).tap do |chunked_io|
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chunked_io.write('12345678')
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chunked_io.seek(0, IO::SEEK_SET)
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end
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end
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end
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it_behaves_like 'sets'
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end
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end
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describe '#raw' do
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shared_examples_for 'sets' do
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it 'returns all contents if last_lines is not specified' do
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result = stream.raw
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expect(result).to eq(lines.join)
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expect(result.encoding).to eq(Encoding.default_external)
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end
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context 'limit max lines' do
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before do
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# specifying BUFFER_SIZE forces to seek backwards
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allow(described_class).to receive(:BUFFER_SIZE)
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.and_return(2)
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end
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it 'returns last few lines' do
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result = stream.raw(last_lines: 2)
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expect(result).to eq(lines.last(2).join)
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expect(result.encoding).to eq(Encoding.default_external)
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end
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it 'returns everything if trying to get too many lines' do
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result = stream.raw(last_lines: lines.size * 2)
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expect(result).to eq(lines.join)
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expect(result.encoding).to eq(Encoding.default_external)
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end
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end
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end
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let(:path) { __FILE__ }
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let(:lines) { File.readlines(path) }
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context 'when stream is File' do
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let(:stream) do
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described_class.new do
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File.open(path)
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end
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end
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it_behaves_like 'sets'
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end
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context 'when stream is ChunkedIO' do
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let(:stream) do
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described_class.new do
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Gitlab::Ci::Trace::ChunkedIO.new(build).tap do |chunked_io|
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chunked_io.write(File.binread(path))
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chunked_io.seek(0, IO::SEEK_SET)
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end
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end
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end
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it_behaves_like 'sets'
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end
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end
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describe '#html' do
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shared_examples_for 'htmls' do
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it "returns html" do
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expect(stream.html).to eq("<span>12<br/>34<br/>56</span>")
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end
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it "returns html for last line only" do
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expect(stream.html(last_lines: 1)).to eq("<span>56</span>")
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end
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end
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context 'when stream is StringIO' do
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let(:stream) do
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described_class.new do
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StringIO.new("12\n34\n56")
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end
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end
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it_behaves_like 'htmls'
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end
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context 'when stream is ChunkedIO' do
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let(:stream) do
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described_class.new do
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Gitlab::Ci::Trace::ChunkedIO.new(build).tap do |chunked_io|
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chunked_io.write("12\n34\n56")
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chunked_io.seek(0, IO::SEEK_SET)
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end
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end
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end
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it_behaves_like 'htmls'
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end
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end
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describe '#extract_coverage' do
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shared_examples_for 'extract_coverages' do
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context 'valid content & regex' do
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let(:data) { 'Coverage 1033 / 1051 LOC (98.29%) covered' }
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let(:regex) { '\(\d+.\d+\%\) covered' }
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it { is_expected.to eq("98.29") }
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end
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context 'valid content & bad regex' do
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let(:data) { 'Coverage 1033 / 1051 LOC (98.29%) covered\n' }
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let(:regex) { 'very covered' }
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it { is_expected.to be_nil }
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end
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context 'no coverage content & regex' do
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let(:data) { 'No coverage for today :sad:' }
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let(:regex) { '\(\d+.\d+\%\) covered' }
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it { is_expected.to be_nil }
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end
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context 'multiple results in content & regex' do
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let(:data) do
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<<~HEREDOC
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(98.39%) covered
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(98.29%) covered
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HEREDOC
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end
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let(:regex) { '\(\d+.\d+\%\) covered' }
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it 'returns the last matched coverage' do
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is_expected.to eq("98.29")
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end
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end
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context 'when BUFFER_SIZE is smaller than stream.size' do
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let(:data) { 'Coverage 1033 / 1051 LOC (98.29%) covered\n' }
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let(:regex) { '\(\d+.\d+\%\) covered' }
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before do
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stub_const('Gitlab::Ci::Trace::Stream::BUFFER_SIZE', 5)
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end
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it { is_expected.to eq("98.29") }
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end
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context 'when regex is multi-byte char' do
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let(:data) { '95.0 ゴッドファット\n' }
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let(:regex) { '\d+\.\d+ ゴッドファット' }
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before do
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stub_const('Gitlab::Ci::Trace::Stream::BUFFER_SIZE', 5)
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end
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it { is_expected.to eq('95.0') }
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end
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context 'when BUFFER_SIZE is equal to stream.size' do
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let(:data) { 'Coverage 1033 / 1051 LOC (98.29%) covered\n' }
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let(:regex) { '\(\d+.\d+\%\) covered' }
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before do
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stub_const('Gitlab::Ci::Trace::Stream::BUFFER_SIZE', data.length)
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end
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it { is_expected.to eq("98.29") }
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end
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context 'using a regex capture' do
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let(:data) { 'TOTAL 9926 3489 65%' }
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let(:regex) { 'TOTAL\s+\d+\s+\d+\s+(\d{1,3}\%)' }
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it { is_expected.to eq("65") }
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end
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context 'malicious regexp' do
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let(:data) { malicious_text }
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let(:regex) { malicious_regexp_re2 }
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include_examples 'malicious regexp'
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end
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context 'multi-line data with rooted regexp' do
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let(:data) { "\n65%\n" }
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let(:regex) { '^(\d+)\%$' }
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it { is_expected.to eq('65') }
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end
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context 'long line' do
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let(:data) { 'a' * 80000 + '100%' + 'a' * 80000 }
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let(:regex) { '\d+\%' }
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it { is_expected.to eq('100') }
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end
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context 'many lines' do
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let(:data) { "foo\n" * 80000 + "100%\n" + "foo\n" * 80000 }
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let(:regex) { '\d+\%' }
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it { is_expected.to eq('100') }
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end
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context 'empty regex' do
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let(:data) { 'foo' }
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let(:regex) { '' }
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it 'skips processing' do
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expect(stream).not_to receive(:read)
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is_expected.to be_nil
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end
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end
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context 'nil regex' do
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let(:data) { 'foo' }
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let(:regex) { nil }
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it 'skips processing' do
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expect(stream).not_to receive(:read)
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is_expected.to be_nil
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end
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end
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end
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subject { stream.extract_coverage(regex) }
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context 'when stream is StringIO' do
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let(:stream) do
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described_class.new do
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StringIO.new(data)
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end
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end
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it_behaves_like 'extract_coverages'
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end
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context 'when stream is ChunkedIO' do
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let(:stream) do
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described_class.new do
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Gitlab::Ci::Trace::ChunkedIO.new(build).tap do |chunked_io|
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chunked_io.write(data)
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chunked_io.seek(0, IO::SEEK_SET)
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end
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end
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end
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it_behaves_like 'extract_coverages'
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end
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end
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end
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