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Diffstat (limited to 'spec/ruby/core/kernel/method_spec.rb')
| -rw-r--r-- | spec/ruby/core/kernel/method_spec.rb | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/spec/ruby/core/kernel/method_spec.rb b/spec/ruby/core/kernel/method_spec.rb new file mode 100644 index 0000000000..3fc566d6a6 --- /dev/null +++ b/spec/ruby/core/kernel/method_spec.rb @@ -0,0 +1,80 @@ +require_relative '../../spec_helper' +require_relative 'shared/method' +require_relative 'fixtures/classes' + +describe "Kernel#method" do + it_behaves_like :kernel_method, :method + + before :each do + @obj = KernelSpecs::A.new + end + + it "can be called on a private method" do + @obj.send(:private_method).should == :private_method + @obj.method(:private_method).should be_an_instance_of(Method) + end + + it "can be called on a protected method" do + @obj.send(:protected_method).should == :protected_method + @obj.method(:protected_method).should be_an_instance_of(Method) + end + + it "will see an alias of the original method as == when in a derived class" do + obj = KernelSpecs::B.new + obj.method(:aliased_pub_method).should == obj.method(:pub_method) + end + + it "can call methods created with define_method" do + m = @obj.method(:defined_method) + m.call.should == :defined + end + + it "can be called even if we only respond_to_missing? method, true" do + m = KernelSpecs::RespondViaMissing.new.method(:handled_privately) + m.should be_an_instance_of(Method) + m.call(1, 2, 3).should == "Done handled_privately([1, 2, 3])" + end + + it "can call a #method_missing accepting zero or one arguments" do + cls = Class.new do + def respond_to_missing?(name, *) + name == :foo or super + end + def method_missing + :no_args + end + end + m = cls.new.method(:foo) + -> { m.call }.should raise_error(ArgumentError) + + cls = Class.new do + def respond_to_missing?(name, *) + name == :bar or super + end + def method_missing(m) + m + end + end + m = cls.new.method(:bar) + m.call.should == :bar + end + + describe "converts the given name to a String using #to_str" do + it "calls #to_str to convert the given name to a String" do + name = mock("method-name") + name.should_receive(:to_str).and_return("hash") + Object.method(name).should == Object.method(:hash) + end + + it "raises a TypeError if the given name can't be converted to a String" do + -> { Object.method(nil) }.should raise_error(TypeError) + -> { Object.method([]) }.should raise_error(TypeError) + end + + it "raises a NoMethodError if the given argument raises a NoMethodError during type coercion to a String" do + name = mock("method-name") + name.should_receive(:to_str).and_raise(NoMethodError) + -> { Object.method(name) }.should raise_error(NoMethodError) + end + end +end |
