free_mutant/spec/unit/mutant/isolation_spec.rb

57 lines
1.3 KiB
Ruby

RSpec.describe Mutant::Isolation::None do
before do
@initial = 1
end
describe '.run' do
let(:object) { described_class }
it 'does not isolate side effects' do
object.call { @initial = 2 }
expect(@initial).to be(2)
end
it 'return block value' do
expect(object.call { :foo }).to be(:foo)
end
it 'wraps *all* exceptions' do
expect { object.call { fail } }.to raise_error(Mutant::Isolation::Error)
end
end
end
RSpec.describe Mutant::Isolation::Fork do
before do
@initial = 1
end
describe '.run' do
let(:object) { described_class }
it 'does isolate side effects' do
object.call { @initial = 2 }
expect(@initial).to be(1)
end
it 'return block value' do
expect(object.call { :foo }).to be(:foo)
end
it 'wraps Parallel::DeadWorker exceptions' do
expect { object.call { fail Parallel::DeadWorker } }.to raise_error(Mutant::Isolation::Error)
end
it 'wraps Parallel::DeadWorker exceptions caused by crashing ruby' do
expect do
object.call do
# Silence rb_bug writes
$stderr.reopen(File.open('/dev/null', 'w'))
fail RbBug.call
end
end.to raise_error(Mutant::Isolation::Error)
end
end
end