143 lines
4 KiB
Ruby
143 lines
4 KiB
Ruby
class Double
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include Concord.new(:name, :attributes)
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def self.new(name, attributes = {})
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super
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end
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def update(_attributes)
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self
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end
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def method_missing(name, *arguments)
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super unless attributes.key?(name)
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fail "Arguments provided for #{name}" if arguments.any?
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attributes.fetch(name)
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end
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end
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# FIXME: This is not even close to a mutation covering spec.
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RSpec.describe Mutant::Runner do
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let(:object) { described_class.new(env) }
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let(:reporter) { Mutant::Reporter::Trace.new }
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let(:config) { Mutant::Config::DEFAULT.update(reporter: reporter, isolation: Mutant::Isolation::None) }
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let(:subjects) { [subject_a, subject_b] }
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let(:subject_a) { Double.new('Subject A', mutations: mutations_a, tests: subject_a_tests) }
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let(:subject_b) { Double.new('Subject B', mutations: mutations_b) }
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let(:subject_a_tests) { [test_a1, test_a2] }
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let(:env) do
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subjects = self.subjects
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Class.new(Mutant::Env) do
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define_method(:subjects) { subjects }
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end.new(config)
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end
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let(:mutations_a) { [mutation_a1, mutation_a2] }
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let(:mutations_b) { [] }
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let(:mutation_a1) { Double.new('Mutation A1') }
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let(:mutation_a2) { Double.new('Mutation A2') }
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let(:test_a1) { Double.new('Test A1') }
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let(:test_a2) { Double.new('Test A2') }
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let(:test_report_a1) { Double.new('Test Report A1') }
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before do
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allow(mutation_a1).to receive(:subject).and_return(subject_a)
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allow(mutation_a1).to receive(:insert)
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allow(mutation_a2).to receive(:subject).and_return(subject_a)
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allow(mutation_a2).to receive(:insert)
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allow(test_a1).to receive(:run).and_return(test_report_a1)
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allow(mutation_a1).to receive(:killed_by?).with(test_report_a1).and_return(true)
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allow(mutation_a2).to receive(:killed_by?).with(test_report_a1).and_return(true)
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end
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before do
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time = Time.at(0)
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allow(Time).to receive(:now).and_return(time)
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end
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let(:expected_subject_results) do
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[
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Mutant::Result::Subject.new(
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subject: subject_a,
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mutation_results: [
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Mutant::Result::Mutation.new(
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index: 0,
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mutation: mutation_a1,
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runtime: 0.0,
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test_results: [test_report_a1]
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),
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Mutant::Result::Mutation.new(
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index: 1,
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mutation: mutation_a2,
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runtime: 0.0,
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test_results: [test_report_a1]
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)
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],
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runtime: 0.0
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),
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Mutant::Result::Subject.new(
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subject: subject_b,
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mutation_results: [],
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runtime: 0.0
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)
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]
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end
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describe '#result' do
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let(:expected_result) do
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Mutant::Result::Env.new(
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env: env,
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runtime: 0.0,
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subject_results: expected_subject_results
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)
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end
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context 'on error free execution' do
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subject { object.result }
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its(:env) { should be(env) }
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it 'reports result' do
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expect { subject }.to change { config.reporter.report_calls }.from([]).to([expected_result])
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end
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end
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context 'when isolation raises error' do
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subject { object.result }
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its(:env) { should be(env) }
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its(:subject_results) { should eql(expected_subject_results) }
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it { should eql(expected_result) }
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before do
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expect(Mutant::Isolation::None).to receive(:call)
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.twice
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.and_raise(Mutant::Isolation::Error.new('test-exception-message'))
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expect(Mutant::Result::Test).to receive(:new).with(
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test: test_a1,
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mutation: mutation_a1,
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runtime: 0.0,
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output: 'test-exception-message',
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passed: false
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).and_return(test_report_a1)
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expect(Mutant::Result::Test).to receive(:new).with(
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test: test_a1,
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mutation: mutation_a2,
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runtime: 0.0,
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output: 'test-exception-message',
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passed: false
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).and_return(test_report_a1)
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end
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end
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end
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end
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