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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "UnboundMethod#source_location" do
before :each do
@method = UnboundMethodSpecs::SourceLocation.method(:location).unbind
end
it "sets the first value to the path of the file in which the method was defined" do
file = @method.source_location[0]
file.should be_an_instance_of(String)
file.should == File.realpath('fixtures/classes.rb', __dir__)
end
it "sets the second value to an Integer representing the line on which the method was defined" do
line = @method.source_location[1]
line.should be_an_instance_of(Integer)
line.should == 5
end
it "returns the last place the method was defined" do
UnboundMethodSpecs::SourceLocation.method(:redefined).unbind.source_location[1].should == 13
end
it "returns the location of the original method even if it was aliased" do
UnboundMethodSpecs::SourceLocation.instance_method(:aka).source_location[1].should == 17
end
it "works for define_method methods" do
line = nil
cls = Class.new do
line = __LINE__ + 1
define_method(:foo) { }
end
method = cls.instance_method(:foo)
method.source_location[0].should =~ /#{__FILE__}/
method.source_location[1].should == line
end
it "works for define_singleton_method methods" do
line = nil
cls = Class.new do
line = __LINE__ + 1
define_singleton_method(:foo) { }
end
method = cls.method(:foo)
method.source_location[0].should =~ /#{__FILE__}/
method.source_location[1].should == line
end
it "works for eval with a given line" do
c = Class.new do
eval('def m; end', nil, "foo", 100)
end
location = c.instance_method(:m).source_location
ruby_version_is(""..."4.1") do
location.should == ["foo", 100]
end
ruby_version_is("4.1") do
location.should == ["foo", 100, 0, 100, 10]
end
end
end
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