d03e7fbdc2
* Future changes depend on this one * Also fixes the smell of "stateless" integration objects we had in the past
133 lines
3.3 KiB
Ruby
133 lines
3.3 KiB
Ruby
RSpec.describe Mutant::Env::Bootstrap do
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let(:config) do
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Mutant::Config::DEFAULT.update(
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jobs: 1,
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reporter: Mutant::Reporter::Trace.new,
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includes: [],
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requires: [],
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matcher: Mutant::Matcher::Config::DEFAULT
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)
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end
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let(:integration) { Mutant::Integration::Null.new(config) }
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let(:expected_env) do
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Mutant::Env.new(
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cache: Mutant::Cache.new,
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subjects: [],
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matchable_scopes: [],
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mutations: [],
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config: config,
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selector: Mutant::Selector::Expression.new(integration),
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actor_env: Mutant::Actor::Env.new(Thread),
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integration: integration
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)
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end
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shared_examples_for 'bootstrap call' do
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it { should eql(expected_env) }
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end
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let(:object_space_modules) { [] }
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before do
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allow(ObjectSpace).to receive(:each_object).with(Module).and_return(object_space_modules.each)
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end
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describe '.call' do
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subject { described_class.call(config) }
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context 'when Module#name calls result in exceptions' do
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let(:invalid_class) do
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Class.new do
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def self.name
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fail
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end
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end
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end
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let(:object_space_modules) { [invalid_class] }
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after do
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# Fix Class#name so other specs do not see this one
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class << invalid_class
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undef :name
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def name
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end
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end
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end
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it 'warns via reporter' do
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expected_warnings = [
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"Class#name from: #{invalid_class} raised an error: RuntimeError. #{Mutant::Env::SEMANTICS_MESSAGE}"
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]
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expect { subject }.to change { config.reporter.warn_calls }.from([]).to(expected_warnings)
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end
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include_examples 'bootstrap call'
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end
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context 'when includes are present' do
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let(:config) { super().update(includes: %w[foo bar]) }
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before do
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%w[foo bar].each do |component|
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expect($LOAD_PATH).to receive(:<<).with(component).and_return($LOAD_PATH)
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end
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end
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include_examples 'bootstrap call'
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end
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context 'when Module#name does not return a String or nil' do
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let(:invalid_class) do
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Class.new do
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def self.name
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Object
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end
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end
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end
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let(:object_space_modules) { [invalid_class] }
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after do
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# Fix Class#name so other specs do not see this one
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class << invalid_class
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undef :name
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def name
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end
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end
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end
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it 'warns via reporter' do
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expected_warnings = [
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"Class#name from: #{invalid_class.inspect} returned Object. #{Mutant::Env::SEMANTICS_MESSAGE}"
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]
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expect { subject }.to change { config.reporter.warn_calls }.from([]).to(expected_warnings)
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end
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include_examples 'bootstrap call'
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end
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context 'when scope matches expression' do
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let(:mutations) { [double('Mutation')] }
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let(:subjects) { [double('Subject', mutations: mutations)] }
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before do
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expect(Mutant::Matcher::Compiler).to receive(:call).and_return(subjects)
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end
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let(:expected_env) do
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super().update(
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subjects: subjects,
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mutations: mutations
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)
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end
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include_examples 'bootstrap call'
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end
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end
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end
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