free_mutant/spec/unit/mutant/cli/attributes_spec.rb
2012-09-16 00:51:47 +02:00

89 lines
2.5 KiB
Ruby

require 'spec_helper'
shared_examples_for 'an invalid cli run' do
it 'should raise error' do
expect { subject }.to raise_error(described_class::Error, expected_message)
end
end
describe Mutant::CLI, '#attributes' do
subject { object.attributes }
let(:object) { described_class.new(arguments) }
context 'with unknown option' do
let(:arguments) { %w(--invalid Foo) }
let(:expected_message) { 'Unknown option: "--invalid"' }
it_should_behave_like 'an invalid cli run'
end
context 'without arguments' do
let(:arguments) { [] }
let(:expected_message) { 'No matchers given' }
it_should_behave_like 'an invalid cli run'
end
context 'with code filter and missing argument' do
let(:arguments) { %w(--code) }
let(:expected_message) { '"--code" is missing an argument' }
it_should_behave_like 'an invalid cli run'
end
context 'with explicit method matcher' do
let(:arguments) { %w(TestApp::Literal#float) }
let(:expected_options) do
{
:matcher => Mutant::Matcher::Chain.new([Mutant::Matcher::Method.parse('TestApp::Literal#float')]),
:mutation_filter => Mutant::Mutation::Filter::ALL,
:killer => Mutant::Killer::Rspec::Forking,
:reporter => Mutant::Reporter::CLI.new($stderr)
}
end
it { should eql(expected_options) }
end
context 'with library name' do
let(:arguments) { %w(::TestApp) }
let(:expected_options) do
{
:matcher => Mutant::Matcher::Chain.new([Mutant::Matcher::ObjectSpace.new(%r(\ATestApp(\z|::)))]),
:mutation_filter => Mutant::Mutation::Filter::ALL,
:killer => Mutant::Killer::Rspec::Forking,
:reporter => Mutant::Reporter::CLI.new($stderr)
}
end
it { should eql(expected_options) }
end
context 'with code filter' do
let(:arguments) { %w(--code faa --code bbb TestApp::Literal#float) }
let(:filters) do
[
Mutant::Mutation::Filter::Code.new('faa'),
Mutant::Mutation::Filter::Code.new('bbb'),
]
end
let(:expected_options) do
{
:mutation_filter => Mutant::Mutation::Filter::Whitelist.new(filters),
:matcher => Mutant::Matcher::Chain.new([Mutant::Matcher::Method.parse('TestApp::Literal#float')]),
:killer => Mutant::Killer::Rspec::Forking,
:reporter => Mutant::Reporter::CLI.new($stderr)
}
end
it { should eql(expected_options) }
end
end