require_relative '../../spec_helper' require_relative 'fixtures/caller' describe 'Kernel#caller' do it 'is a private method' do Kernel.should have_private_instance_method(:caller) end it 'returns an Array of caller locations' do KernelSpecs::CallerTest.locations.empty?.should == false end it 'returns an Array of caller locations using a custom offset' do locations = KernelSpecs::CallerTest.locations(2) locations[0].should =~ %r{runner/mspec.rb} end it 'returns an Array of caller locations using a custom limit' do locations = KernelSpecs::CallerTest.locations(1, 1) locations.length.should == 1 end it 'returns an Array of caller locations using a range' do locations = KernelSpecs::CallerTest.locations(1..1) locations.length.should == 1 end it 'returns the locations as String instances' do locations = KernelSpecs::CallerTest.locations line = __LINE__ - 1 locations[0].should include("#{__FILE__}:#{line}:in") end it "returns an Array with the block given to #at_exit at the base of the stack" do path = fixture(__FILE__, "caller_at_exit.rb") lines = ruby_exe(path).lines lines.should == [ "#{path}:6:in `foo'\n", "#{path}:2:in `block in
'\n" ] end ruby_version_is "2.6" do it "works with endless ranges" do locations1 = KernelSpecs::CallerTest.locations(0) locations2 = KernelSpecs::CallerTest.locations(eval("(2..)")) locations2.map(&:to_s).should == locations1[2..-1].map(&:to_s) end end end