free_mutant/spec/unit/mutant/env_spec.rb
2015-11-13 04:47:47 +00:00

76 lines
2.9 KiB
Ruby

RSpec.describe Mutant::Env do
context '#kill' do
let(:object) do
described_class.new(
config: config,
actor_env: Mutant::Actor::Env.new(Thread),
parser: Mutant::Parser.new,
selector: selector,
subjects: [],
mutations: [],
matchable_scopes: [],
integration: integration
)
end
let(:integration) { integration_class.new(config) }
let(:config) do
Mutant::Config::DEFAULT.with(isolation: isolation, integration: integration_class)
end
let(:isolation) { double('Isolation') }
let(:mutation) { Mutant::Mutation::Evil.new(mutation_subject, Mutant::AST::Nodes::N_NIL) }
let(:wrapped_node) { double('Wrapped Node') }
let(:context) { double('Context') }
let(:test_a) { double('Test A') }
let(:test_b) { double('Test B') }
let(:tests) { [test_a, test_b] }
let(:selector) { double('Selector') }
let(:integration_class) { Mutant::Integration::Null }
let(:mutation_subject) do
double(
'Subject',
identification: 'subject',
context: context,
source: 'original',
tests: tests
)
end
subject { object.kill(mutation) }
shared_examples_for 'mutation kill' do
it { should eql(Mutant::Result::Mutation.new(mutation: mutation, test_result: test_result)) }
end
before do
expect(selector).to receive(:call).with(mutation_subject).and_return(tests)
allow(Time).to receive(:now).and_return(Time.at(0))
end
context 'when isolation does not raise error' do
let(:test_result) { double('Test Result A', passed: false) }
before do
expect(isolation).to receive(:call).and_yield.and_return(test_result)
expect(mutation_subject).to receive(:prepare).and_return(mutation_subject).ordered
expect(context).to receive(:root).with(s(:nil)).and_return(wrapped_node).ordered
expect(Mutant::Loader::Eval).to receive(:call).with(wrapped_node, mutation_subject).and_return(nil).ordered
end
include_examples 'mutation kill'
end
context 'when isolation does raise error' do
before do
expect(isolation).to receive(:call).and_raise(Mutant::Isolation::Error, 'test-error')
end
let(:test_result) { Mutant::Result::Test.new(tests: tests, output: 'test-error', passed: false, runtime: 0.0) }
include_examples 'mutation kill'
end
end
end