113 lines
2.3 KiB
Ruby
113 lines
2.3 KiB
Ruby
RSpec.describe Mutant::Subject::Method::Instance do
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let(:object) { described_class.new(config, context, node) }
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let(:context) { double }
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let(:config) { Mutant::Config::DEFAULT }
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let(:node) do
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s(:def, :foo, s(:args))
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end
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describe '#prepare' do
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let(:context) do
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Mutant::Context::Scope.new(scope, double('Source Path'))
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end
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let(:scope) do
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Class.new do
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attr_reader :bar
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def initialize
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@bar = :boo
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end
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def foo
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end
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end
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end
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subject { object.prepare }
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context 'on non initialize methods' do
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it 'undefines method on scope' do
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expect { subject }.to change { scope.instance_methods.include?(:foo) }.from(true).to(false)
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end
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it_should_behave_like 'a command method'
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end
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context 'on initialize method' do
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let(:node) do
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s(:def, :initialize, s(:args))
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end
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it 'does not write warnings' do
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warnings = Mutant::WarningFilter.use do
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subject
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end
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expect(warnings).to eql([])
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end
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it 'undefines method on scope' do
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subject
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expect { scope.new }.to raise_error(NoMethodError)
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end
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it_should_behave_like 'a command method'
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end
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end
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describe '#source' do
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subject { object.source }
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it { should eql("def foo\nend") }
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end
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end
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RSpec.describe Mutant::Subject::Method::Instance::Memoized do
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let(:object) { described_class.new(config, context, node) }
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let(:context) { double }
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let(:config) { Mutant::Config::DEFAULT }
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let(:node) do
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s(:def, :foo, s(:args))
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end
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describe '#prepare' do
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let(:context) do
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Mutant::Context::Scope.new(scope, double('Source Path'))
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end
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let(:scope) do
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Class.new do
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include Memoizable
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def foo
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end
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memoize :foo
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end
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end
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subject { object.prepare }
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it 'undefines memoizer' do
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expect { subject }.to change { scope.memoized?(:foo) }.from(true).to(false)
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end
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it 'undefines method on scope' do
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expect { subject }.to change { scope.instance_methods.include?(:foo) }.from(true).to(false)
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end
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it_should_behave_like 'a command method'
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end
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describe '#source' do
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subject { object.source }
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it { should eql("def foo\nend\nmemoize(:foo)") }
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end
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end
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