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Versions: 18
Compression:
Stored size: 1.46 KB
Contents
RSpec.describe Mutant::Mutator::Registry do
describe '#lookup' do
subject { Mutant::Mutator::REGISTRY.lookup(node) }
context 'on registered node' do
let(:node) { s(:true) }
it { should eql(Mutant::Mutator::Node::Literal::Boolean) }
end
context 'on unknown node' do
let(:node) { s(:unknown) }
it 'raises error' do
expect { subject }.to raise_error(described_class::RegistryError, 'No mutator to handle: :unknown')
end
end
end
describe '#register' do
let(:object) { described_class.new }
let(:mutator) { double('Mutator') }
subject { object.register(type, mutator) }
context 'when registering an invalid node type' do
let(:type) { :invalid }
it 'raises error' do
expect { subject }.to raise_error(described_class::RegistryError, 'Invalid type registration: invalid')
end
end
context 'when registering a valid node type' do
let(:type) { :true }
it 'allows to lookup mutator' do
subject
expect(object.lookup(s(type))).to be(mutator)
end
it_behaves_like 'a command method'
end
context 'when duplicate the registration of a valid node type' do
let(:type) { :true }
it 'allows to lookup mutator' do
object.register(type, mutator)
expect { subject }.to raise_error(described_class::RegistryError, 'Duplicate type registration: true')
end
it_behaves_like 'a command method'
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems