晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 .
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Current File : //usr/share/doc/perl-CPAN-Meta/t/converter-fragments.t
use strict;
use warnings;
use Test::More 0.88;

use CPAN::Meta::Converter;

delete $ENV{PERL_YAML_BACKEND};
delete $ENV{PERL_JSON_BACKEND};
delete $ENV{CPAN_META_JSON_BACKEND};
delete $ENV{CPAN_META_JSON_DECODER};

my $spec2 = {
    version => '2',
    url => 'http://search.cpan.org/perldoc?CPAN::Meta::Spec',
};

my @cases = (
    #<<< No perltidy
    {
        label  => "v1.4 requires -> v2 prereqs",
        from   => "1.4",
        to     => "2",
        input  => {
            requires => {
                'File::Spec' => "0.80",
            },
        },
        expect => {
            'meta-spec' => $spec2,
            prereqs => {
                runtime => {
                    requires => {
                        'File::Spec' => "0.80",
                    },
                }
            }
        },
    },
    {
        label  => "v1.4 x_custom -> v2 x_custom",
        from   => "1.4",
        to     => "2",
        input  => {
            x_authority => 'DAGOLDEN',
        },
        expect => {
            'meta-spec' => $spec2,
            x_authority => 'DAGOLDEN',
        },
    },
    {
        label  => "meta-spec included",
        to     => "2",
        input  => {
            'meta-spec' => { version => '1.0' },
            requires => {
                'File::Spec' => "0.80",
            },
        },
        expect => {
            'meta-spec' => $spec2,
            prereqs => {
                runtime => {
                    requires => {
                        'File::Spec' => "0.80",
                    },
                }
            }
        },
    },
    {
        # this is a test of default version and intentionally gives bad
        # data that will get dropped by the conversion
        label  => "default version",
        from   => "2",
        to     => "2",
        input  => {
            requires => {
                'File::Spec' => "0.80",
            },
        },
        expect => {
            'meta-spec' => $spec2,
        },
    },
    {
        # fields deprecated from older versions
        label  => "v1.4 prereq stuff -> v2 prereqs",
        from   => "1.4",
        to     => "2",
        input  => {
            configure_requires => {
                'File::Spec' => "0.80",
            },
            build_requires => {
                'Scalar::Util' => '1.0',
            },
            requires => {
                'B' => '3.1',
            },
            recommends => {
                'Config' => '4.0',
            },
            conflicts => {
                'File::Temp' => "0.2",
            },
        },
        expect => {
            'meta-spec' => $spec2,
            prereqs => {
                configure => {
                    requires => {
                        'File::Spec' => "0.80",
                    },
                },
                build => {
                    requires => {
                        'Scalar::Util' => '1.0',
                    },
                },
                runtime => {
                    conflicts => {
                        'File::Temp' => "0.2",
                    },
                    requires => {
                        'B' => '3.1',
                    },
                    recommends => {
                        'Config' => '4.0',
                    },
                },
            },
        },
    },
    {
        label  => "v1.1 license_url: -> v2 license",
        from   => "1.1",
        to     => "2",
        input  => {
            license_url => 'http://opensource.org/licenses/Artistic-1.0',
            license => 'perl',
        },
        expect => {
            'meta-spec' => $spec2,
            license => [ 'perl_5' ],
        },
    },
);

for my $c (@cases) {
    my $cmc = CPAN::Meta::Converter->new(
        $c->{input}, $c->{from} ? (default_version => $c->{from} ) : ()
    );
    my $got = $cmc->upgrade_fragment;
    my $exp = $c->{expect};
    is_deeply( $got, $exp, $c->{label} )
      or diag "GOT:\n", explain($got), "EXPECTED:\n", explain($exp);
}

done_testing;
# vim: ts=8 sts=4 sw=4 et :

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