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require 'spec_helper'
describe Gitlab::Ci::Trace::Stream do
describe 'delegates' do
subject { described_class.new { nil } }
it { is_expected.to delegate_method(:close).to(:stream) }
it { is_expected.to delegate_method(:tell).to(:stream) }
it { is_expected.to delegate_method(:seek).to(:stream) }
it { is_expected.to delegate_method(:size).to(:stream) }
it { is_expected.to delegate_method(:path).to(:stream) }
it { is_expected.to delegate_method(:truncate).to(:stream) }
it { is_expected.to delegate_method(:valid?).to(:stream).as(:present?) }
it { is_expected.to delegate_method(:file?).to(:path).as(:present?) }
end
describe '#limit' do
let(:stream) do
described_class.new do
StringIO.new((1..8).to_a.join("\n"))
end
end
it 'if size is larger we start from beginning' do
stream.limit(20)
expect(stream.tell).to eq(0)
end
it 'if size is smaller we start from the end' do
stream.limit(2)
expect(stream.raw).to eq("8")
end
context 'when the trace contains ANSI sequence and Unicode' do
let(:stream) do
described_class.new do
File.open(expand_fixture_path('trace/ansi-sequence-and-unicode'))
end
end
it 'forwards to the next linefeed, case 1' do
stream.limit(7)
result = stream.raw
expect(result).to eq('')
expect(result.encoding).to eq(Encoding.default_external)
end
it 'forwards to the next linefeed, case 2' do
stream.limit(29)
result = stream.raw
expect(result).to eq("\e[01;32m許功蓋\e[0m\n")
expect(result.encoding).to eq(Encoding.default_external)
end
# See https://gitlab.com/gitlab-org/gitlab-ce/issues/30796
it 'reads in binary, output as Encoding.default_external' do
stream.limit(52)
result = stream.html
expect(result).to eq("ヾ(´༎ຶД༎ຶ`)ノ<br><span class=\"term-fg-green\">許功蓋</span><br>")
expect(result.encoding).to eq(Encoding.default_external)
end
end
end
describe '#append' do
let(:tempfile) { Tempfile.new }
let(:stream) do
described_class.new do
tempfile.write("12345678")
tempfile.rewind
tempfile
end
end
after do
tempfile.unlink
end
it "truncates and append content" do
stream.append("89", 4)
stream.seek(0)
expect(stream.size).to eq(6)
expect(stream.raw).to eq("123489")
end
it 'appends in binary mode' do
'😺'.force_encoding('ASCII-8BIT').each_char.with_index do |byte, offset|
stream.append(byte, offset)
end
stream.seek(0)
expect(stream.size).to eq(4)
expect(stream.raw).to eq('😺')
end
end
describe '#set' do
let(:stream) do
described_class.new do
StringIO.new("12345678")
end
end
before do
stream.set("8901")
end
it "overwrite content" do
stream.seek(0)
expect(stream.size).to eq(4)
expect(stream.raw).to eq("8901")
end
end
describe '#raw' do
let(:path) { __FILE__ }
let(:lines) { File.readlines(path) }
let(:stream) do
described_class.new do
File.open(path)
end
end
it 'returns all contents if last_lines is not specified' do
result = stream.raw
expect(result).to eq(lines.join)
expect(result.encoding).to eq(Encoding.default_external)
end
context 'limit max lines' do
before do
# specifying BUFFER_SIZE forces to seek backwards
allow(described_class).to receive(:BUFFER_SIZE)
.and_return(2)
end
it 'returns last few lines' do
result = stream.raw(last_lines: 2)
expect(result).to eq(lines.last(2).join)
expect(result.encoding).to eq(Encoding.default_external)
end
it 'returns everything if trying to get too many lines' do
result = stream.raw(last_lines: lines.size * 2)
expect(result).to eq(lines.join)
expect(result.encoding).to eq(Encoding.default_external)
end
end
end
describe '#html_with_state' do
let(:stream) do
described_class.new do
StringIO.new("1234")
end
end
it 'returns html content with state' do
result = stream.html_with_state
expect(result.html).to eq("1234")
end
context 'follow-up state' do
let!(:last_result) { stream.html_with_state }
before do
stream.append("5678", 4)
stream.seek(0)
end
it "returns appended trace" do
result = stream.html_with_state(last_result.state)
expect(result.append).to be_truthy
expect(result.html).to eq("5678")
end
end
end
describe '#html' do
let(:stream) do
described_class.new do
StringIO.new("12\n34\n56")
end
end
it "returns html" do
expect(stream.html).to eq("12<br>34<br>56")
end
it "returns html for last line only" do
expect(stream.html(last_lines: 1)).to eq("56")
end
end
describe '#extract_coverage' do
let(:stream) do
described_class.new do
StringIO.new(data)
end
end
subject { stream.extract_coverage(regex) }
context 'valid content & regex' do
let(:data) { 'Coverage 1033 / 1051 LOC (98.29%) covered' }
let(:regex) { '\(\d+.\d+\%\) covered' }
it { is_expected.to eq("98.29") }
end
context 'valid content & bad regex' do
let(:data) { 'Coverage 1033 / 1051 LOC (98.29%) covered\n' }
let(:regex) { 'very covered' }
it { is_expected.to be_nil }
end
context 'no coverage content & regex' do
let(:data) { 'No coverage for today :sad:' }
let(:regex) { '\(\d+.\d+\%\) covered' }
it { is_expected.to be_nil }
end
context 'multiple results in content & regex' do
let(:data) do
<<~HEREDOC
(98.39%) covered
(98.29%) covered
HEREDOC
end
let(:regex) { '\(\d+.\d+\%\) covered' }
it 'returns the last matched coverage' do
is_expected.to eq("98.29")
end
end
context 'when BUFFER_SIZE is smaller than stream.size' do
let(:data) { 'Coverage 1033 / 1051 LOC (98.29%) covered\n' }
let(:regex) { '\(\d+.\d+\%\) covered' }
before do
stub_const('Gitlab::Ci::Trace::Stream::BUFFER_SIZE', 5)
end
it { is_expected.to eq("98.29") }
end
context 'when regex is multi-byte char' do
let(:data) { '95.0 ゴッドファット\n' }
let(:regex) { '\d+\.\d+ ゴッドファット' }
before do
stub_const('Gitlab::Ci::Trace::Stream::BUFFER_SIZE', 5)
end
it { is_expected.to eq('95.0') }
end
context 'when BUFFER_SIZE is equal to stream.size' do
let(:data) { 'Coverage 1033 / 1051 LOC (98.29%) covered\n' }
let(:regex) { '\(\d+.\d+\%\) covered' }
before do
stub_const('Gitlab::Ci::Trace::Stream::BUFFER_SIZE', data.length)
end
it { is_expected.to eq("98.29") }
end
context 'using a regex capture' do
let(:data) { 'TOTAL 9926 3489 65%' }
let(:regex) { 'TOTAL\s+\d+\s+\d+\s+(\d{1,3}\%)' }
it { is_expected.to eq("65") }
end
context 'malicious regexp' do
let(:data) { malicious_text }
let(:regex) { malicious_regexp }
include_examples 'malicious regexp'
end
context 'multi-line data with rooted regexp' do
let(:data) { "\n65%\n" }
let(:regex) { '^(\d+)\%$' }
it { is_expected.to eq('65') }
end
context 'long line' do
let(:data) { 'a' * 80000 + '100%' + 'a' * 80000 }
let(:regex) { '\d+\%' }
it { is_expected.to eq('100') }
end
context 'many lines' do
let(:data) { "foo\n" * 80000 + "100%\n" + "foo\n" * 80000 }
let(:regex) { '\d+\%' }
it { is_expected.to eq('100') }
end
context 'empty regex' do
let(:data) { 'foo' }
let(:regex) { '' }
it 'skips processing' do
expect(stream).not_to receive(:read)
is_expected.to be_nil
end
end
context 'nil regex' do
let(:data) { 'foo' }
let(:regex) { nil }
it 'skips processing' do
expect(stream).not_to receive(:read)
is_expected.to be_nil
end
end
end
end
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