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Diffstat (limited to 'spec/ruby/core/method/source_location_spec.rb')
-rw-r--r-- | spec/ruby/core/method/source_location_spec.rb | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/spec/ruby/core/method/source_location_spec.rb b/spec/ruby/core/method/source_location_spec.rb new file mode 100644 index 0000000000..2ba2fdf5e9 --- /dev/null +++ b/spec/ruby/core/method/source_location_spec.rb @@ -0,0 +1,95 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +describe "Method#source_location" do + before :each do + @method = MethodSpecs::SourceLocation.method(:location) + end + + it "returns an Array" do + @method.source_location.should be_an_instance_of(Array) + end + + it "sets the first value to the path of the file in which the method was defined" do + file = @method.source_location.first + file.should be_an_instance_of(String) + file.should == File.dirname(__FILE__) + '/fixtures/classes.rb' + end + + it "sets the last value to a Fixnum representing the line on which the method was defined" do + line = @method.source_location.last + line.should be_an_instance_of(Fixnum) + line.should == 5 + end + + it "returns the last place the method was defined" do + MethodSpecs::SourceLocation.method(:redefined).source_location.last.should == 13 + end + + it "returns the location of the original method even if it was aliased" do + MethodSpecs::SourceLocation.new.method(:aka).source_location.last.should == 17 + end + + it "works for methods defined with a block" do + line = nil + klass = Class.new do + line = __LINE__ + 1 + define_method(:f) { } + end + + method = klass.new.method(:f) + method.source_location[0].should =~ /#{__FILE__}/ + method.source_location[1].should == line + end + + it "works for methods defined with a Method" do + line = nil + klass = Class.new do + line = __LINE__ + 1 + def f + end + define_method :g, new.method(:f) + end + + method = klass.new.method(:g) + method.source_location[0].should =~ /#{__FILE__}/ + method.source_location[1].should == line + end + + it "works for methods defined with an UnboundMethod" do + line = nil + klass = Class.new do + line = __LINE__ + 1 + def f + end + define_method :g, instance_method(:f) + end + + method = klass.new.method(:g) + method.source_location[0].should =~ /#{__FILE__}/ + method.source_location[1].should == line + end + + it "works for methods whose visibility has been overridden in a subclass" do + line = nil + superclass = Class.new do + line = __LINE__ + 1 + def f + end + end + subclass = Class.new(superclass) do + private :f + end + + method = subclass.new.method(:f) + method.source_location[0].should =~ /#{__FILE__}/ + method.source_location[1].should == line + end + + describe "for a Method generated by respond_to_missing?" do + it "returns nil" do + m = MethodSpecs::Methods.new + m.method(:handled_via_method_missing).source_location.should be_nil + end + end +end |