/
invocations_spec.rb
217 lines (170 loc) · 6.56 KB
/
invocations_spec.rb
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require 'rspec/core/drb'
require 'rspec/core/bisect/coordinator'
require 'rspec/core/project_initializer'
module RSpec::Core
RSpec.describe Invocations do
let(:configuration_options) { instance_double(ConfigurationOptions) }
let(:err) { StringIO.new }
let(:out) { StringIO.new }
def run_invocation
subject.call(configuration_options, err, out)
end
describe Invocations::InitializeProject do
it "initializes a project and returns a 0 exit code" do
project_init = instance_double(ProjectInitializer, :run => nil)
allow(ProjectInitializer).to receive_messages(:new => project_init)
exit_code = run_invocation
expect(project_init).to have_received(:run)
expect(exit_code).to eq(0)
end
end
describe Invocations::DRbWithFallback do
context 'when a DRb server is running' do
it "builds a DRbRunner and runs the specs" do
drb_proxy = instance_double(RSpec::Core::DRbRunner, :run => 0)
allow(RSpec::Core::DRbRunner).to receive(:new).and_return(drb_proxy)
exit_code = run_invocation
expect(drb_proxy).to have_received(:run).with(err, out)
expect(exit_code).to eq(0)
end
end
context 'when a DRb server is not running' do
let(:runner) { instance_double(RSpec::Core::Runner, :run => 0) }
before(:each) do
allow(RSpec::Core::Runner).to receive(:new).and_return(runner)
allow(RSpec::Core::DRbRunner).to receive(:new).and_raise(DRb::DRbConnError)
end
it "outputs a message" do
run_invocation
expect(err.string).to include(
"No DRb server is running. Running in local process instead ..."
)
end
it "builds a runner instance and runs the specs" do
run_invocation
expect(RSpec::Core::Runner).to have_received(:new).with(configuration_options)
expect(runner).to have_received(:run).with(err, out)
end
if RSpec::Support::RubyFeatures.supports_exception_cause?
it "prevents the DRb error from being listed as the cause of expectation failures" do
allow(RSpec::Core::Runner).to receive(:new) do |configuration_options|
raise RSpec::Expectations::ExpectationNotMetError
end
expect {
run_invocation
}.to raise_error(RSpec::Expectations::ExpectationNotMetError) do |e|
expect(e.cause).to be_nil
end
end
end
end
end
describe Invocations::Bisect do
let(:original_cli_args) { %w[--bisect --seed 1234] }
let(:configuration_options) { ConfigurationOptions.new(original_cli_args) }
let(:success) { true }
before do
allow(RSpec::Core::Bisect::Coordinator).to receive(:bisect_with).and_return(success)
end
it "starts the bisection coordinator" do
run_invocation
expect(RSpec::Core::Bisect::Coordinator).to have_received(:bisect_with).with(
an_instance_of(Runner),
configuration_options.args,
an_instance_of(Formatters::BisectProgressFormatter)
)
end
context "when the bisection is successful" do
it "returns 0" do
exit_code = run_invocation
expect(exit_code).to eq(0)
end
end
context "when the bisection is unsuccessful" do
let(:success) { false }
it "returns 1" do
exit_code = run_invocation
expect(exit_code).to eq(1)
end
context "with a custom failure code set" do
it "returns the custom failure code" do
in_sub_process do
RSpec.configuration.failure_exit_code = 42
exit_code = run_invocation
expect(exit_code).to eq(42)
end
end
end
end
context "and the verbose option is specified" do
let(:original_cli_args) { %w[--bisect=verbose --seed 1234] }
it "starts the bisection coordinator with the debug formatter" do
run_invocation
expect(RSpec::Core::Bisect::Coordinator).to have_received(:bisect_with).with(
an_instance_of(Runner),
configuration_options.args,
an_instance_of(Formatters::BisectDebugFormatter)
)
end
end
end
describe Invocations::PrintVersion do
before do
allow(subject).to receive(:require).and_call_original
allow(subject).to receive(:require).with("rspec/rails/version").and_raise(LoadError)
end
it "prints the major.minor version of RSpec as a whole" do
stub_const("RSpec::Core::Version::STRING", "9.18.23")
run_invocation
expect(out.string).to include("RSpec 9.18\n")
end
it "prints off the whole version if it's a pre-release" do
stub_const("RSpec::Core::Version::STRING", "9.18.0-beta1")
run_invocation
expect(out.string).to include("RSpec 9.18.0-beta1\n")
end
it "prints off the version of each part of RSpec" do
[:Core, :Expectations, :Mocks, :Support].each_with_index do |const_name, index|
# validate that this is an existing const
expect(RSpec.const_get(const_name)::Version::STRING).to be_a String
stub_const("RSpec::#{const_name}::Version::STRING", "9.2.#{index}")
end
run_invocation
expect(out.string).to include(
"- rspec-core 9.2.0",
"- rspec-expectations 9.2.1",
"- rspec-mocks 9.2.2",
"- rspec-support 9.2.3"
)
end
it "indicates a part is not installed if it cannot be loaded" do
run_invocation
expect(out.string).not_to include("rspec-rails")
end
it "returns a zero exit code" do
expect(run_invocation).to eq 0
end
end
describe Invocations::PrintHelp do
let(:parser) { instance_double(OptionParser) }
let(:invalid_options) { %w[ -d ] }
subject { described_class.new(parser, invalid_options) }
before do
allow(parser).to receive(:to_s).and_return(<<-EOS)
-d
--bisect[=verbose] Repeatedly runs the suite in order...
EOS
end
it "prints the CLI options and returns a zero exit code" do
exit_code = run_invocation
expect(exit_code).to eq(0)
expect(out.string).to include("--bisect")
end
it "won't display invalid options in the help output" do
useless_lines = /^\s*-d\s*$\n/
run_invocation
expect(out.string).to_not match(useless_lines)
end
end
end
end