free_mutant/spec/unit/mutant/runner/subject_spec.rb

61 lines
1.7 KiB
Ruby

# encoding: utf-8
require 'spec_helper'
describe Mutant::Runner::Subject, '#success?' do
subject { object.success? }
let(:object) { described_class.new(config, mutation_subject) }
let(:mutation_subject) do
double(
'Subject',
class: Mutant::Subject,
mutations: [mutation_a, mutation_b]
)
end
let(:reporter) { Mutant::Reporter::Trace.new }
let(:config) { double('Config', reporter: reporter, strategy: strategy) }
let(:mutation_a) { double('Mutation A') }
let(:mutation_b) { double('Mutation B') }
let(:strategy) { double('Strategy') }
let(:runner_a) do
double('Runner A', success?: success_a, stop?: stop_a)
end
let(:runner_b) do
double('Runner B', success?: success_b, stop?: stop_b)
end
let(:tests) { [double('test a'), double('test b')] }
before do
expect(strategy).to receive(:tests).with(mutation_subject).and_return(tests)
expect(Mutant::Runner).to receive(:run).with(config, mutation_a, tests).and_return(runner_a)
expect(Mutant::Runner).to receive(:run).with(config, mutation_b, tests).and_return(runner_b)
end
context 'with failing mutations' do
let(:stop_a) { false }
let(:stop_b) { false }
let(:success_a) { false }
let(:success_b) { true }
it { should be(false) }
it_should_behave_like 'an idempotent method'
end
context 'without failing mutations' do
let(:stop_a) { false }
let(:stop_b) { false }
let(:success_a) { true }
let(:success_b) { true }
it { should be(true) }
it_should_behave_like 'an idempotent method'
end
end