From: Aaron Patterson <aaron@...>
Date: 2010-04-01T05:06:14+09:00
Subject: [ruby-core:29178] Re: [trunk:bug] Many rubygems tests fail with psych tests.


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On Wed, Mar 31, 2010 at 03:13:32PM +0900, NARUSE, Yui wrote:
> 2010/3/31 NARUSE, Yui <naruse@airemix.jp>:
> > Hi,
> >
> > 2010/3/31 Aaron Patterson <aaron@tenderlovemaking.com>:
> >> On Tue, Mar 30, 2010 at 07:13:32PM +0900, NARUSE, Yui wrote:
> >>> (2010/03/30 17:55), Tanaka Akira wrote:
> >>> I patched rubygems and got following backtrace.
> >>> This is not happen when only Rubygems tests run.
> >>> On test-all, Psych effects rubygems tests.
> >>
> >> I believe this is because both YAML and Psych add Object#to_yaml.
> >>
> >> I am working with Eric to convert Rubygems to take advantage of Psych.
> >> That should clear up the problem.
> >
> > I applied workaround patch in r27125.
>=20
> I noticed this is from API incompatibility:
> YAML.dump( obj, io =3D nil )
> Psych.dump o, options =3D {}
>=20
> def YAML.dump( obj, io =3D nil )
>   obj.to_yaml( io || io2 =3D StringIO.new )
>=20
> def psych_to_yaml options =3D {}
>   Psych.dump self, options
>=20
> def self.dump o, options =3D {}
>   visitor =3D Psych::Visitors::YAMLTree.new options
>=20
> So if Psych.dump can treat io like dump(o, io, options =3D{}),
> it can be fixed fundamentally.
> Is this acceptable solution?

Yes, I think that is fine.  Would you like to apply, or shall I?

--=20
Aaron Patterson
http://tenderlovemaking.com/

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