gitlab-ce/qa/spec/specs/parallel_runner_spec.rb

127 lines
4.1 KiB
Ruby

# frozen_string_literal: true
require 'etc'
RSpec.describe QA::Specs::ParallelRunner do
include QA::Support::Helpers::StubEnv
subject(:runner) { described_class }
let(:parallel_tests) { instance_double(ParallelTests::CLI, run: nil) }
let(:parallel_processes) { 2 }
let(:runtime_log) { "tmp/parallel_runtime_rspec.log" }
let(:example_data) { { "./1_spec.rb[1:1]" => "passed", "./2_spec.rb[1:1]" => "pending" } }
let(:spec_paths) { [] }
before do
allow(ParallelTests::CLI).to receive(:new).and_return(parallel_tests)
allow(Etc).to receive(:nprocessors).and_return(parallel_processes)
allow(ENV).to receive(:store)
allow(File).to receive(:write).with(runtime_log, kind_of(String))
allow(QA::Support::KnapsackReport).to receive(:knapsack_report).with(example_data).and_return({ "spec.rb" => 1 })
allow(QA::Runtime::Browser).to receive(:configure!)
allow(QA::Runtime::Release).to receive(:perform_before_hooks)
stub_env("QA_GITLAB_URL", "http://127.0.0.1:3000")
stub_env("QA_PARALLEL_PROCESSES", parallel_processes.to_s)
end
def parallel_cli_args(processes = parallel_processes)
[
"--type", "rspec",
"-n", processes.to_s,
"--runtime-log", runtime_log,
"--serialize-stdout",
"--first-is-1",
"--combine-stderr"
]
end
shared_examples "parallel cli runner" do |name, processes:, input_args:, specs:, received_args:|
it name do
runner.run(input_args, specs, example_data)
expect(parallel_tests).to have_received(:run).with([*parallel_cli_args(processes), *received_args])
end
end
it_behaves_like "parallel cli runner", "builds correct arguments without additional rspec args", {
processes: 2,
input_args: [],
specs: [],
received_args: []
}
it_behaves_like "parallel cli runner", "builds correct arguments with additional rspec args", {
processes: 2,
input_args: ['--force-color'],
specs: [],
received_args: ['--', '--force-color']
}
it_behaves_like "parallel cli runner", "builds correct arguments with specific specs", {
processes: 1,
input_args: [],
specs: ["qa/specs/features/api_spec.rb"],
received_args: ["--", "qa/specs/features/api_spec.rb"]
}
it_behaves_like "parallel cli runner", "builds correct arguments with specific specs and rspec options", {
processes: 2,
input_args: ["--force-color"],
specs: ["qa/specs/features/api_spec.rb", "qa/specs/features/api_2_spec.rb", "qa/specs/features/api_2_spec.rb"],
received_args: [
"--", "--force-color",
"--", "qa/specs/features/api_spec.rb", "qa/specs/features/api_2_spec.rb", "qa/specs/features/api_2_spec.rb"
]
}
it_behaves_like "parallel cli runner", "builds correct arguments with default spec folder", {
processes: 1,
input_args: [],
specs: QA::Specs::Runner::DEFAULT_TEST_PATH_ARGS,
received_args: ["--", "1_spec.rb"]
}
it "creates runtime log" do
runner.run([], spec_paths, example_data)
expect(File).to have_received(:write).with(runtime_log, "spec.rb:1")
end
context "with QA_GITLAB_URL not set" do
before do
stub_env("QA_GITLAB_URL", nil)
QA::Support::GitlabAddress.instance_variable_set(:@initialized, nil)
end
after do
QA::Support::GitlabAddress.instance_variable_set(:@initialized, nil)
end
it "sets QA_GITLAB_URL variable for subprocess" do
runner.run([], spec_paths, example_data)
expect(ENV).to have_received(:store).with("QA_GITLAB_URL", "http://127.0.0.1:3000")
end
end
context "with QA_PARALLEL_PROCESSES not set" do
before do
stub_env("QA_PARALLEL_PROCESSES", nil)
allow(Etc).to receive(:nprocessors).and_return(8)
end
it "sets number of processes to half of available processors" do
allow(QA::Runtime::Env).to receive(:parallel_processes).and_call_original
runner.run([], spec_paths, example_data)
expect(QA::Runtime::Env).to have_received(:parallel_processes)
actual_processes = QA::Runtime::Env.parallel_processes
expect(parallel_tests).to have_received(:run) do |args|
expect(args).to eq(parallel_cli_args(actual_processes))
end
end
end
end