free_mutant/spec/unit/mutant/runner_spec.rb
2014-07-07 14:07:47 +00:00

127 lines
3.7 KiB
Ruby

require 'spec_helper'
describe Mutant::Runner do
let(:object) { described_class.new(env) }
let(:reporter) { Mutant::Reporter::Trace.new }
let(:config) { Mutant::Config::DEFAULT.update(reporter: reporter, isolation: Mutant::Isolation::None) }
let(:subjects) { [subject_a, subject_b] }
class Double
include Concord.new(:name, :attributes)
def self.new(name, attributes = {})
super
end
def update(attributes)
self
end
def method_missing(name, *arguments)
super unless attributes.key?(name)
fail "Arguments provided for #{name}" if arguments.any?
attributes.fetch(name)
end
end
let(:subject_a) { Double.new('Subject A', mutations: mutations_a, tests: subject_a_tests) }
let(:subject_b) { Double.new('Subject B', mutations: mutations_b) }
let(:subject_a_tests) { [test_a1, test_a2] }
let(:env) do
subjects = self.subjects
Class.new(Mutant::Env) do
define_method(:subjects) { subjects }
end.new(config)
end
let(:mutations_a) { [mutation_a1, mutation_a2] }
let(:mutations_b) { [] }
let(:mutation_a1) { Double.new('Mutation A1') }
let(:mutation_a2) { Double.new('Mutation A2') }
let(:test_a1) { Double.new('Test A1') }
let(:test_a2) { Double.new('Test A2') }
let(:test_report_a1) { Double.new('Test Report A1') }
before do
allow(mutation_a1).to receive(:subject).and_return(subject_a)
allow(mutation_a1).to receive(:insert)
allow(mutation_a2).to receive(:subject).and_return(subject_a)
allow(mutation_a2).to receive(:insert)
allow(test_a1).to receive(:run).and_return(test_report_a1)
allow(mutation_a1).to receive(:killed_by?).with(test_report_a1).and_return(true)
allow(mutation_a2).to receive(:killed_by?).with(test_report_a1).and_return(true)
end
before do
time = Time.at(0)
allow(Time).to receive(:now).and_return(time)
end
let(:expected_subject_results) do
[
Mutant::Result::Subject.new(
subject: subject_a,
mutation_results: [
Mutant::Result::Mutation.new(
mutation: mutation_a1,
runtime: 0.0,
test_results: [test_report_a1]
),
Mutant::Result::Mutation.new(
mutation: mutation_a2,
runtime: 0.0,
test_results: [test_report_a1]
)
],
runtime: 0.0
),
Mutant::Result::Subject.new(
subject: subject_b,
mutation_results: [],
runtime: 0.0
)
]
end
describe '#result' do
context 'on normal execution' do
subject { object.result }
its(:env) { should be(env) }
its(:subject_results) { should eql(expected_subject_results) }
end
context 'when isolation raises error' do
subject { object.result }
its(:env) { should be(env) }
its(:subject_results) { should eql(expected_subject_results) }
before do
expect(Mutant::Isolation::None).to receive(:call).and_raise(Mutant::Isolation::Error.new('test-exception-message')).twice
expect(Mutant::Result::Test).to receive(:new).with(
test: test_a1,
mutation: mutation_a1,
runtime: 0.0,
output: 'test-exception-message',
passed: false
).and_return(test_report_a1)
expect(Mutant::Result::Test).to receive(:new).with(
test: test_a1,
mutation: mutation_a2,
runtime: 0.0,
output: 'test-exception-message',
passed: false
).and_return(test_report_a1)
end
end
end
end