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Given a module name, this service will show you its dependencies along with a summary of their test results from the CPAN testers. The idea is that if you have a choice of several modules to use, this will show you which is the most reliable.

Please note: this site is a tool to analyse the dependencies of modules written in the Perl programming language. I can not help you with any problems you might have with using any modules.

It relies on modules having META.yml files so it can work out their dependencies, and is case-sensitive. The perl version number is used to filter test results and also to determine what's a core module and what's not - some core modules also exist seperately on the CPAN, but we don't bother looking at their dependencies. If you choose a version like X.Y as opposed to X.Y.Z, then you'll get test results for all X.Y.* versions, and we assume X.Y.0 for figuring out what's in core. If you choose 'any version', then you get all test results and we divine core modules from perl 5.005. Test results are cached for performance and may be up to three days out of date. Modules can depend on particular versions of other modules. We ignore that. Patches welcome.

Module Perl OS
purity warnings? Include dev builds of perl?

This service costs €50 a month to run. If you think it rocks incredibly hard, then I like shiny beads, but wouldn't say no to a little something to help defray costs either.

(Get results in XML)
- 0. Catalyst::Action::JSORB S B R D Results by OS and perl version 20 PASS0 UNKNOWN13 FAIL0 NA 20 PASSes, 0 UNKNOWNs, 13 FAILs, 0 NAs
- 1.      JS::jQuery S B R D Results by OS and perl version 355 PASS1 UNKNOWN0 FAIL0 NA 355 PASSes, 1 UNKNOWN, 0 FAILs, 0 NAs
2.          JS S B R D Results by OS and perl version 363 PASS2 UNKNOWN14 FAIL14 NA 363 PASSes, 2 UNKNOWNs, 14 FAILs, 14 NAs
- 3.      MooseX::Traits S B R D Results by OS and perl version 241 PASS1 UNKNOWN0 FAIL0 NA 241 PASSes, 1 UNKNOWN, 0 FAILs, 0 NAs
- 4.          Moose::Role S B R D Results by OS and perl version 67 PASS0 UNKNOWN0 FAIL1 NA 67 PASSes, 0 UNKNOWNs, 0 FAILs, 1 NA
- 5.              Package::DeprecationManager S B R D Results by OS and perl version 120 PASS0 UNKNOWN0 FAIL0 NA 120 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 6.                  Test::More S B R D Results by OS and perl version 798 PASS5 UNKNOWN1 FAIL0 NA 798 PASSes, 5 UNKNOWNs, 1 FAIL, 0 NAs
7.                      Test::Harness S B R D Results by OS and perl version 577 PASS1 UNKNOWN13 FAIL0 NA 577 PASSes, 1 UNKNOWN, 13 FAILs, 0 NAs
8.                      ExtUtils::MakeMaker S B R D Core module Core module
- 9.                  Test::Exception S B R D Results by OS and perl version 632 PASS0 UNKNOWN1 FAIL0 NA 632 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
- 10.                      Sub::Uplevel S B R D Results by OS and perl version 809 PASS1 UNKNOWN1 FAIL3 NA 809 PASSes, 1 UNKNOWN, 1 FAIL, 3 NAs
- 11.                          Module::Build S B R D Results by OS and perl version 470 PASS1 UNKNOWN2 FAIL3 NA 470 PASSes, 1 UNKNOWN, 2 FAILs, 3 NAs
- 12.                              File::Spec S B R D Results by OS and perl version 668 PASS6 UNKNOWN2 FAIL0 NA 668 PASSes, 6 UNKNOWNs, 2 FAILs, 0 NAs
13.                                  Scalar::Util S B R D Results by OS and perl version 481 PASS3 UNKNOWN3 FAIL0 NA 481 PASSes, 3 UNKNOWNs, 3 FAILs, 0 NAs
14.                                  File::Path S B R D Core module Core module
15.                                  Test S B R D Core module Core module
16.                                  File::Basename S B R D Core module Core module
17.                              ExtUtils::Install S B R D Core module Core module
- 18.                              ExtUtils::CBuilder S B R D Results by OS and perl version 501 PASS0 UNKNOWN1 FAIL0 NA 501 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
19.                                  IO::File S B R D Core module Core module
20.                                  Text::ParseWords S B R D Core module Core module
21.                              ExtUtils::Manifest S B R D Core module Core module
22.                              Getopt::Long S B R D Core module Core module
23.                              Data::Dumper S B R D Core module Core module
- 24.                              ExtUtils::ParseXS S B R D Results by OS and perl version 312 PASS0 UNKNOWN2 FAIL0 NA 312 PASSes, 0 UNKNOWNs, 2 FAILs, 0 NAs
25.                                  Exporter S B R D Results by OS and perl version 939 PASS2 UNKNOWN1 FAIL1 NA 939 PASSes, 2 UNKNOWNs, 1 FAIL, 1 NA
26.                              File::Temp S B R D Results by OS and perl version 695 PASS0 UNKNOWN1 FAIL0 NA 695 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
- 27.                  Test::Warn S B R D Results by OS and perl version 968 PASS0 UNKNOWN2 FAIL0 NA 968 PASSes, 0 UNKNOWNs, 2 FAILs, 0 NAs
28.                      Tree::DAG_Node S B R D Results by OS and perl version 1781 PASS0 UNKNOWN3 FAIL0 NA 1781 PASSes, 0 UNKNOWNs, 3 FAILs, 0 NAs
29.                  Params::Util S B R D Results by OS and perl version 425 PASS2 UNKNOWN0 FAIL0 NA 425 PASSes, 2 UNKNOWNs, 0 FAILs, 0 NAs
30.                  Sub::Install S B R D Results by OS and perl version 1411 PASS1 UNKNOWN0 FAIL0 NA 1411 PASSes, 1 UNKNOWN, 0 FAILs, 0 NAs
31.              Try::Tiny S B R D Results by OS and perl version 322 PASS0 UNKNOWN0 FAIL0 NA 322 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 32.              Class::MOP S B R D Results by OS and perl version 72 PASS0 UNKNOWN0 FAIL1 NA 72 PASSes, 0 UNKNOWNs, 0 FAILs, 1 NA
- 33.                  MRO::Compat S B R D Results by OS and perl version 1200 PASS0 UNKNOWN1 FAIL0 NA 1200 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
- 34.                      Class::C3 S B R D Results by OS and perl version 214 PASS0 UNKNOWN0 FAIL0 NA 214 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
35.                          Algorithm::C3 S B R D Results by OS and perl version 633 PASS0 UNKNOWN1 FAIL0 NA 633 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
36.                  List::MoreUtils S B R D Results by OS and perl version 1701 PASS6 UNKNOWN60 FAIL0 NA 1701 PASSes, 6 UNKNOWNs, 60 FAILs, 0 NAs
37.                  Task::Weaken S B R D Results by OS and perl version 1177 PASS1 UNKNOWN0 FAIL0 NA 1177 PASSes, 1 UNKNOWN, 0 FAILs, 0 NAs
38.                  Package::Stash S B R D Results by OS and perl version 290 PASS0 UNKNOWN0 FAIL0 NA 290 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
39.                  Sub::Name S B R D Results by OS and perl version 1716 PASS11 UNKNOWN2 FAIL1 NA 1716 PASSes, 11 UNKNOWNs, 2 FAILs, 1 NA
40.                  Data::OptList S B R D Results by OS and perl version 499 PASS0 UNKNOWN0 FAIL0 NA 499 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 41.                  Devel::GlobalDestruction S B R D Results by OS and perl version 1653 PASS8 UNKNOWN2 FAIL1 NA 1653 PASSes, 8 UNKNOWNs, 2 FAILs, 1 NA
42.                      Scope::Guard S B R D Results by OS and perl version 313 PASS0 UNKNOWN0 FAIL0 NA 313 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
43.                      Sub::Exporter S B R D Results by OS and perl version 1429 PASS5 UNKNOWN0 FAIL0 NA 1429 PASSes, 5 UNKNOWNs, 0 FAILs, 0 NAs
- 44.          namespace::autoclean S B R D Results by OS and perl version 296 PASS0 UNKNOWN2 FAIL0 NA 296 PASSes, 0 UNKNOWNs, 2 FAILs, 0 NAs
- 45.              B::Hooks::EndOfScope S B R D Results by OS and perl version 315 PASS0 UNKNOWN0 FAIL0 NA 315 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 46.                  Variable::Magic S B R D Results by OS and perl version 218 PASS0 UNKNOWN4 FAIL0 NA 218 PASSes, 0 UNKNOWNs, 4 FAILs, 0 NAs
47.                      base S B R D Results by OS and perl version 528 PASS0 UNKNOWN2 FAIL0 NA 528 PASSes, 0 UNKNOWNs, 2 FAILs, 0 NAs
48.                      XSLoader S B R D Results by OS and perl version 810 PASS2 UNKNOWN21 FAIL0 NA 810 PASSes, 2 UNKNOWNs, 21 FAILs, 0 NAs
- 49.              namespace::clean S B R D Results by OS and perl version 267 PASS0 UNKNOWN0 FAIL0 NA 267 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
50.                  constant S B R D Core module Core module
51.                  Sub::Identify S B R D Results by OS and perl version 1261 PASS4 UNKNOWN3 FAIL0 NA 1261 PASSes, 4 UNKNOWNs, 3 FAILs, 0 NAs
52.          ok S B R D Results by OS and perl version 1740 PASS1 UNKNOWN0 FAIL0 NA 1740 PASSes, 1 UNKNOWN, 0 FAILs, 0 NAs
- 53.      JS::Test::Base S B R D Results by OS and perl version 321 PASS1 UNKNOWN0 FAIL13 NA 321 PASSes, 1 UNKNOWN, 0 FAILs, 13 NAs
54.          JS::Test::Simple S B R D Results by OS and perl version 209 PASS0 UNKNOWN0 FAIL0 NA 209 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 55.      Path::Router S B R D Results by OS and perl version 221 PASS0 UNKNOWN0 FAIL0 NA 221 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 56.          MooseX::Clone S B R D Results by OS and perl version 332 PASS0 UNKNOWN0 FAIL0 NA 332 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 57.              Data::Visitor S B R D Results by OS and perl version 383 PASS0 UNKNOWN2 FAIL0 NA 383 PASSes, 0 UNKNOWNs, 2 FAILs, 0 NAs
- 58.                  Tie::ToObject S B R D Results by OS and perl version 1520 PASS1 UNKNOWN0 FAIL0 NA 1520 PASSes, 1 UNKNOWN, 0 FAILs, 0 NAs
59.                      Tie::RefHash S B R D Results by OS and perl version 1074 PASS1 UNKNOWN1 FAIL0 NA 1074 PASSes, 1 UNKNOWN, 1 FAIL, 0 NAs
60.              Hash::Util::FieldHash::Compat S B R D Results by OS and perl version 1276 PASS0 UNKNOWN1 FAIL1 NA 1276 PASSes, 0 UNKNOWNs, 1 FAIL, 1 NA
- 61.          Test::Deep S B R D Results by OS and perl version 969 PASS0 UNKNOWN2 FAIL0 NA 969 PASSes, 0 UNKNOWNs, 2 FAILs, 0 NAs
62.              Test::Tester S B R D Results by OS and perl version 1852 PASS1 UNKNOWN2 FAIL0 NA 1852 PASSes, 1 UNKNOWN, 2 FAILs, 0 NAs
63.              Test::NoWarnings S B R D Results by OS and perl version 561 PASS1 UNKNOWN0 FAIL0 NA 561 PASSes, 1 UNKNOWN, 0 FAILs, 0 NAs
- 64.      HTTP::Server::Simple S B R D Results by OS and perl version 269 PASS0 UNKNOWN22 FAIL0 NA 269 PASSes, 0 UNKNOWNs, 22 FAILs, 0 NAs
65.          CGI S B R D Core module Core module
66.      JS::JSON S B R D Results by OS and perl version 335 PASS1 UNKNOWN0 FAIL0 NA 335 PASSes, 1 UNKNOWN, 0 FAILs, 0 NAs
67.      Text::SimpleTable S B R D Results by OS and perl version 334 PASS0 UNKNOWN0 FAIL0 NA 334 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
68.      MooseX::AttributeHelpers S B R D Results by OS and perl version 432 PASS0 UNKNOWN8 FAIL0 NA 432 PASSes, 0 UNKNOWNs, 8 FAILs, 0 NAs
- 69.      MooseX::Types::Path::Class S B R D Results by OS and perl version 1243 PASS3 UNKNOWN3 FAIL0 NA 1243 PASSes, 3 UNKNOWNs, 3 FAILs, 0 NAs
- 70.          MooseX::Types S B R D Results by OS and perl version 80 PASS0 UNKNOWN1 FAIL0 NA 80 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
71.              Carp::Clan S B R D Results by OS and perl version 816 PASS2 UNKNOWN0 FAIL0 NA 816 PASSes, 2 UNKNOWNs, 0 FAILs, 0 NAs
72.          Path::Class S B R D Results by OS and perl version 263 PASS0 UNKNOWN3 FAIL0 NA 263 PASSes, 0 UNKNOWNs, 3 FAILs, 0 NAs
- 73.      HTTP::Response S B R D Results by OS and perl version 351 PASS0 UNKNOWN8 FAIL0 NA 351 PASSes, 0 UNKNOWNs, 8 FAILs, 0 NAs
- 74.          IO::Uncompress::Gunzip S B R D Results by OS and perl version 72 PASS0 UNKNOWN2 FAIL0 NA 72 PASSes, 0 UNKNOWNs, 2 FAILs, 0 NAs
75.              Compress::Raw::Zlib S B R D Results by OS and perl version 71 PASS0 UNKNOWN0 FAIL0 NA 71 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
76.              Compress::Raw::Bzip2 S B R D Results by OS and perl version 70 PASS0 UNKNOWN0 FAIL0 NA 70 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
77.          Net::FTP S B R D Results by OS and perl version 631 PASS1 UNKNOWN20 FAIL0 NA 631 PASSes, 1 UNKNOWN, 20 FAILs, 0 NAs
- 78.          URI S B R D Results by OS and perl version 367 PASS0 UNKNOWN6 FAIL0 NA 367 PASSes, 0 UNKNOWNs, 6 FAILs, 0 NAs
79.              MIME::Base64 S B R D Results by OS and perl version 434 PASS0 UNKNOWN0 FAIL0 NA 434 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
80.          HTML::Tagset S B R D Results by OS and perl version 1639 PASS3 UNKNOWN1 FAIL0 NA 1639 PASSes, 3 UNKNOWNs, 1 FAIL, 0 NAs
81.          HTML::Parser S B R D Results by OS and perl version 197 PASS0 UNKNOWN1 FAIL0 NA 197 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
- 82.          Digest::MD5 S B R D Results by OS and perl version 323 PASS0 UNKNOWN0 FAIL0 NA 323 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
83.              Digest::base S B R D Results by OS and perl version 577 PASS0 UNKNOWN0 FAIL0 NA 577 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
84.      Set::Object S B R D Results by OS and perl version 56 PASS0 UNKNOWN0 FAIL0 NA 56 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 85.      Buffer::Transactional S B R D Results by OS and perl version 105 PASS0 UNKNOWN10 FAIL0 NA 105 PASSes, 0 UNKNOWNs, 10 FAILs, 0 NAs
86.          IO::Scalar S B R D Results by OS and perl version 2018 PASS2 UNKNOWN3 FAIL0 NA 2018 PASSes, 2 UNKNOWNs, 3 FAILs, 0 NAs
87.          Data::UUID S B R D Results by OS and perl version 276 PASS11 UNKNOWN0 FAIL0 NA 276 PASSes, 11 UNKNOWNs, 0 FAILs, 0 NAs
- 88.      MooseX::Params::Validate S B R D Results by OS and perl version 304 PASS0 UNKNOWN1 FAIL0 NA 304 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
- 89.          Params::Validate S B R D Results by OS and perl version 503 PASS2 UNKNOWN2 FAIL0 NA 503 PASSes, 2 UNKNOWNs, 2 FAILs, 0 NAs
90.              Attribute::Handlers S B R D Results by OS and perl version 301 PASS0 UNKNOWN0 FAIL0 NA 301 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 91.              Pod::Man S B R D Results by OS and perl version 336 PASS0 UNKNOWN0 FAIL0 NA 336 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 92.                  Pod::Simple S B R D Results by OS and perl version 276 PASS0 UNKNOWN1 FAIL1 NA 276 PASSes, 0 UNKNOWNs, 1 FAIL, 1 NA
93.                      Pod::Escapes S B R D Results by OS and perl version 1238 PASS3 UNKNOWN0 FAIL0 NA 1238 PASSes, 3 UNKNOWNs, 0 FAILs, 0 NAs
94.                      Text::Wrap S B R D Results by OS and perl version 650 PASS0 UNKNOWN0 FAIL0 NA 650 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 95.          Devel::Caller S B R D Results by OS and perl version 310 PASS0 UNKNOWN0 FAIL0 NA 310 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
96.              PadWalker S B R D Results by OS and perl version 119 PASS0 UNKNOWN0 FAIL1 NA 119 PASSes, 0 UNKNOWNs, 0 FAILs, 1 NA
97.      Class::Inspector S B R D Results by OS and perl version 1227 PASS0 UNKNOWN0 FAIL0 NA 1227 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 98.      JSON::RPC::Common S B R D Results by OS and perl version 158 PASS0 UNKNOWN0 FAIL0 NA 158 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
99.          JSON S B R D Results by OS and perl version 387 PASS0 UNKNOWN0 FAIL0 NA 387 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 100.      Test::WWW::Mechanize S B R D Results by OS and perl version 172 PASS0 UNKNOWN38 FAIL0 NA 172 PASSes, 0 UNKNOWNs, 38 FAILs, 0 NAs
101.          Test::LongString S B R D Results by OS and perl version 391 PASS0 UNKNOWN0 FAIL0 NA 391 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 102.          WWW::Mechanize S B R D Results by OS and perl version 139 PASS0 UNKNOWN32 FAIL0 NA 139 PASSes, 0 UNKNOWNs, 32 FAILs, 0 NAs
103.              Pod::Usage S B R D Results by OS and perl version 758 PASS0 UNKNOWN2 FAIL0 NA 758 PASSes, 0 UNKNOWNs, 2 FAILs, 0 NAs
104.          HTML::TreeBuilder S B R D Results by OS and perl version 1608 PASS4 UNKNOWN77 FAIL1 NA 1608 PASSes, 4 UNKNOWNs, 77 FAILs, 1 NA
- 105.          Carp::Assert::More S B R D Results by OS and perl version 1510 PASS1 UNKNOWN9 FAIL0 NA 1510 PASSes, 1 UNKNOWN, 9 FAILs, 0 NAs
106.              Carp::Assert S B R D Results by OS and perl version 1607 PASS2 UNKNOWN8 FAIL0 NA 1607 PASSes, 2 UNKNOWNs, 8 FAILs, 0 NAs
Chance of all tests passing 17% (but note that this doesn't mean much)

The chance of success is calculated by multiplying the probabilities of the module and all its dependencies passing their tests.

code written while listening to
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so the bugs are all his fault