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# frozen_string_literal: true RSpec.describe Mutant::Subject do let(:class_under_test) do Class.new(described_class) do def expression Mutant::Expression::Namespace::Exact.new(scope_name: 'SubjectA') end def match_expressions [ expression, Mutant::Expression::Namespace::Exact.new(scope_name: 'SubjectB') ] end end end let(:object) { class_under_test.new(context, node) } let(:node) do Parser::CurrentRuby.parse(<<-RUBY) def foo end RUBY end let(:context) do double( 'Context', source_path: 'source_path' ) end describe '#identification' do subject { object.identification } it { should eql('SubjectA:source_path:1') } end describe '#source_line' do subject { object.source_line } it { should be(1) } end describe '#source_lines' do subject { object.source_lines } it { should eql(1..2) } end describe '#prepare' do subject { object.prepare } it_should_behave_like 'a command method' end describe '#node' do subject { object.node } it { should be(node) } it_should_behave_like 'an idempotent method' end describe '#mutations' do subject { object.mutations } before do expect(Mutant::Mutator).to receive(:mutate).with(node).and_return([mutation_a, mutation_b]) end let(:mutation_a) { instance_double(Parser::AST::Node, :mutation_a) } let(:mutation_b) { instance_double(Parser::AST::Node, :mutation_b) } it 'generates neutral and evil mutations' do should eql([ Mutant::Mutation::Neutral.new(object, node), Mutant::Mutation::Evil.new(object, mutation_a), Mutant::Mutation::Evil.new(object, mutation_b) ]) end end end
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4 entries across 4 versions & 1 rubygems