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Contents
require 'spec_helper'
require 'reek/source/reference_collector'
include Reek::Source
describe ReferenceCollector do
context 'counting refs to self' do
def refs_to_self(src)
ReferenceCollector.new(src.to_reek_source.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 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
it 'ignores global variables' do
src = <<EOS
def accept(t, pat = /.*/nm, &block)
if pat
pat.respond_to?(:match) or raise TypeError, "has no `match'"
else
pat = t if t.respond_to?(:match)
end
unless block
block = pat.method(:convert).to_proc if pat.respond_to?(:convert)
end
@atype[t] = [pat, block]
end
EOS
expect(refs_to_self(src)).to eq(2)
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems