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Contents
require_relative '../../spec_helper'
require_lib 'reek/ast/reference_collector'
RSpec.describe Reek::AST::ReferenceCollector do
describe '#num_refs_to_self' do
def refs_to_self(src)
syntax_tree = Reek::Source::SourceCode.from(src).syntax_tree
described_class.new(syntax_tree).num_refs_to_self
end
it 'with no refs to self' do
expect(refs_to_self('def no_envy(arga) arga.barg end')).to eq(0)
end
it 'counts a call to super' do
expect(refs_to_self('def simple() super; end')).to eq(1)
end
it 'counts a call to super with arguments' do
expect(refs_to_self('def simple() super(); end')).to eq(1)
end
it 'counts a local call' do
expect(refs_to_self('def simple() to_s; end')).to eq(1)
end
it 'counts a use of self' do
expect(refs_to_self('def simple() lv = self; end')).to eq(1)
end
it 'counts a call with self as receiver' do
expect(refs_to_self('def simple() self.to_s; end')).to eq(1)
end
it 'counts uses of an ivar' do
expect(refs_to_self('def no_envy() @item.to_a; @item = 4; @item end')).to eq(3)
end
it 'counts an ivar passed to a method' do
expect(refs_to_self('def no_envy(arga) arga.barg(@item); arga end')).to eq(1)
end
it 'ignores global variables' do
expect(refs_to_self('def no_envy(arga) $s2.to_a; $s2[arga] end')).to eq(0)
end
end
end
Version data entries
23 entries across 21 versions & 2 rubygems