[rspec-users] hash form of stub_chain returning nil for chains with shared first message
dchelimsky at gmail.com
Sat Feb 12 14:55:44 EST 2011
On Feb 11, 2011, at 7:51 AM, Frederick Cheung wrote:
> On Feb 10, 7:30 pm, David Chelimsky <dchelim... at gmail.com> wrote:
>> On Feb 10, 2011, at 12:40 PM, Frederick Cheung wrote:
>>> I'm new using rspec, so please forgive me if I'm barking up the wrong tree, but...
>>> I'd expect this to pass (using rspec 2.5.1)
>>> describe 'stub_chain' do
>>> it "returns expected value from two chains with hash" do
>>> subject = Object.new
>>> subject.stub_chain(:msg1, :msg2 => :first)
>>> subject.stub_chain(:msg1, :msg3 => :second)
>> This ^^ is not documented to work. Seehttp://relishapp.com/rspec/rspec-mocks/v/2-5/dir/method-stubs/stub-a-....
>> subject.stub_chain(:msg1, :msg2).and_return(:first)
>> If that works, feel free to submit a feature request to support the format you were using.
> Fair enough. I'd been reading stub_chain_spec.rb (which does do stuff
> like @subject.stub_chain(:msg1, :msg2, :msg3, :msg4 => :return_value))
> rather than stub_chain.feature and had taken that (as well as
> ) to mean that subject.stub_chain(:msg1, :msg2 => :first) was official
I was wrong. I'd consider this documented, and that what you are experiencing is a bug.
Please submit an issue (https://github.com/rspec/rspec-mocks/issues).
>>> subject.msg1.msg2.should equal(:first)
>>> subject.msg1.msg3.should equal(:second)
>>> But it doesn't - subject.msg1.msg3 returns nil
>>> I think this is because in stub_chain (in rspec-mocks/lib/rspec/mocks/methods.rb, line 43) there is
>>> if matching_stub = __mock_proxy.__send__(:find_matching_method_stub, chain.to_sym)
>>> ie blk isn't used in any way. Changing this to matching_stub.invoke.stub_chain(*chain, &blk) makes my example pass
>>> Is this true or am I just misusing rspec?
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