diff options
Diffstat (limited to 'spec/ruby/core/main/using_spec.rb')
| -rw-r--r-- | spec/ruby/core/main/using_spec.rb | 241 |
1 files changed, 128 insertions, 113 deletions
diff --git a/spec/ruby/core/main/using_spec.rb b/spec/ruby/core/main/using_spec.rb index 108cc50dad..314a6be416 100644 --- a/spec/ruby/core/main/using_spec.rb +++ b/spec/ruby/core/main/using_spec.rb @@ -1,135 +1,150 @@ -require File.expand_path('../../../spec_helper', __FILE__) +require_relative '../../spec_helper' +require_relative 'fixtures/classes' + +describe "main.using" do + it "requires one Module argument" do + -> do + eval('using', TOPLEVEL_BINDING) + end.should.raise(ArgumentError) + + -> do + eval('using "foo"', TOPLEVEL_BINDING) + end.should.raise(TypeError) + end -ruby_version_is "2.0.0" do - require File.expand_path('../fixtures/classes', __FILE__) + it "uses refinements from the given module only in the target file" do + require_relative 'fixtures/string_refinement' + load File.expand_path('../fixtures/string_refinement_user.rb', __FILE__) + MainSpecs::DATA[:in_module].should == 'foo' + MainSpecs::DATA[:toplevel].should == 'foo' + -> do + 'hello'.foo + end.should.raise(NoMethodError) + end - describe "main.using" do - it "requires one Module argument" do - lambda do - eval('using', TOPLEVEL_BINDING) - end.should raise_error(ArgumentError) + it "uses refinements from the given module for method calls in the target file" do + require_relative 'fixtures/string_refinement' + load File.expand_path('../fixtures/string_refinement_user.rb', __FILE__) + -> do + 'hello'.foo + end.should.raise(NoMethodError) + MainSpecs.call_foo('hello').should == 'foo' + end - lambda do - eval('using "foo"', TOPLEVEL_BINDING) - end.should raise_error(TypeError) + it "uses refinements from the given module in the eval string" do + cls = MainSpecs::DATA[:cls] = Class.new {def foo; 'foo'; end} + MainSpecs::DATA[:mod] = Module.new do + refine(cls) do + def foo; 'bar'; end + end end + eval(<<-EOS, TOPLEVEL_BINDING).should == 'bar' + using MainSpecs::DATA[:mod] + MainSpecs::DATA[:cls].new.foo + EOS + end - it "uses refinements from the given module only in the target file" do - require File.expand_path('../fixtures/string_refinement', __FILE__) - load File.expand_path('../fixtures/string_refinement_user.rb', __FILE__) - MainSpecs::DATA[:in_module].should == 'foo' - MainSpecs::DATA[:toplevel].should == 'foo' - lambda do - 'hello'.foo - end.should raise_error(NoMethodError) + it "does not affect methods defined before it is called" do + cls = Class.new {def foo; 'foo'; end} + MainSpecs::DATA[:mod] = Module.new do + refine(cls) do + def foo; 'bar'; end + end end + x = MainSpecs::DATA[:x] = Object.new + eval <<-EOS, TOPLEVEL_BINDING + x = MainSpecs::DATA[:x] + def x.before_using(obj) + obj.foo + end + using MainSpecs::DATA[:mod] + def x.after_using(obj) + obj.foo + end + EOS - it "uses refinements from the given module for method calls in the target file" do - require File.expand_path('../fixtures/string_refinement', __FILE__) - load File.expand_path('../fixtures/string_refinement_user.rb', __FILE__) - lambda do - 'hello'.foo - end.should raise_error(NoMethodError) - MainSpecs.call_foo('hello').should == 'foo' - end + obj = cls.new + x.before_using(obj).should == 'foo' + x.after_using(obj).should == 'bar' + end - it "uses refinements from the given module in the eval string" do - cls = MainSpecs::DATA[:cls] = Class.new {def foo; 'foo'; end} - MainSpecs::DATA[:mod] = Module.new do - refine(cls) do - def foo; 'bar'; end - end + it "propagates refinements added to existing modules after it is called" do + cls = Class.new {def foo; 'foo'; end} + mod = MainSpecs::DATA[:mod] = Module.new do + refine(cls) do + def foo; 'quux'; end end - eval(<<-EOS, TOPLEVEL_BINDING).should == 'bar' - using MainSpecs::DATA[:mod] - MainSpecs::DATA[:cls].new.foo - EOS end + x = MainSpecs::DATA[:x] = Object.new + eval <<-EOS, TOPLEVEL_BINDING + using MainSpecs::DATA[:mod] + x = MainSpecs::DATA[:x] + def x.call_foo(obj) + obj.foo + end + def x.call_bar(obj) + obj.bar + end + EOS + + obj = cls.new + x.call_foo(obj).should == 'quux' - it "does not affect methods defined before it is called" do - cls = Class.new {def foo; 'foo'; end} - MainSpecs::DATA[:mod] = Module.new do - refine(cls) do - def foo; 'bar'; end - end + mod.module_eval do + refine(cls) do + def bar; 'quux'; end end - x = MainSpecs::DATA[:x] = Object.new - eval <<-EOS, TOPLEVEL_BINDING - x = MainSpecs::DATA[:x] - def x.before_using(obj) - obj.foo - end - using MainSpecs::DATA[:mod] - def x.after_using(obj) - obj.foo - end - EOS - - obj = cls.new - x.before_using(obj).should == 'foo' - x.after_using(obj).should == 'bar' end - it "propagates refinements added to existing modules after it is called" do - cls = Class.new {def foo; 'foo'; end} - mod = MainSpecs::DATA[:mod] = Module.new do - refine(cls) do - def foo; 'quux'; end - end - end - x = MainSpecs::DATA[:x] = Object.new - eval <<-EOS, TOPLEVEL_BINDING - using MainSpecs::DATA[:mod] - x = MainSpecs::DATA[:x] - def x.call_foo(obj) - obj.foo - end - def x.call_bar(obj) - obj.bar - end - EOS - - obj = cls.new - x.call_foo(obj).should == 'quux' - - mod.module_eval do - refine(cls) do - def bar; 'quux'; end - end - end + x.call_bar(obj).should == 'quux' + end - x.call_bar(obj).should == 'quux' + it "does not propagate refinements of new modules added after it is called" do + cls = Class.new {def foo; 'foo'; end} + cls2 = Class.new {def bar; 'bar'; end} + mod = MainSpecs::DATA[:mod] = Module.new do + refine(cls) do + def foo; 'quux'; end + end end - - it "does not propagate refinements of new modules added after it is called" do - cls = Class.new {def foo; 'foo'; end} - cls2 = Class.new {def bar; 'bar'; end} - mod = MainSpecs::DATA[:mod] = Module.new do - refine(cls) do - def foo; 'quux'; end - end + x = MainSpecs::DATA[:x] = Object.new + eval <<-EOS, TOPLEVEL_BINDING + using MainSpecs::DATA[:mod] + x = MainSpecs::DATA[:x] + def x.call_foo(obj) + obj.foo end - x = MainSpecs::DATA[:x] = Object.new - eval <<-EOS, TOPLEVEL_BINDING - using MainSpecs::DATA[:mod] - x = MainSpecs::DATA[:x] - def x.call_foo(obj) - obj.foo - end - def x.call_bar(obj) - obj.bar - end - EOS - - x.call_foo(cls.new).should == 'quux' - - mod.module_eval do - refine(cls2) do - def bar; 'quux'; end - end + def x.call_bar(obj) + obj.bar end + EOS - x.call_bar(cls2.new).should == 'bar' + x.call_foo(cls.new).should == 'quux' + + mod.module_eval do + refine(cls2) do + def bar; 'quux'; end + end end + + x.call_bar(cls2.new).should == 'bar' + end + + it "raises error when called from method in wrapped script" do + -> do + load File.expand_path('../fixtures/using_in_method.rb', __FILE__), true + end.should.raise(RuntimeError) + end + + it "raises error when called on toplevel from module" do + -> do + load File.expand_path('../fixtures/using_in_main.rb', __FILE__), true + end.should.raise(RuntimeError) + end + + it "does not raise error when wrapped with module" do + -> do + load File.expand_path('../fixtures/using.rb', __FILE__), true + end.should_not.raise end end |
