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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 Test results are cached for performance and may be up to three days out of date.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. Directory::Deploy S B R D Results by OS and perl version 143 PASS0 UNKNOWN9 FAIL0 NA 143 PASSes, 0 UNKNOWNs, 9 FAILs, 0 NAs
- 1.      Scalar::Util S B R D Results by OS and perl version 596 PASS3 UNKNOWN3 FAIL0 NA 596 PASSes, 3 UNKNOWNs, 3 FAILs, 0 NAs
- 2.          Test::More S B R D Results by OS and perl version 334 PASS0 UNKNOWN0 FAIL0 NA 334 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
3.              Test::Harness S B R D Results by OS and perl version 284 PASS0 UNKNOWN5 FAIL0 NA 284 PASSes, 0 UNKNOWNs, 5 FAILs, 0 NAs
4.              ExtUtils::MakeMaker S B R D Core module Core module
- 5.      Directory::Scratch S B R D Results by OS and perl version 1055 PASS4 UNKNOWN32 FAIL1 NA 1055 PASSes, 4 UNKNOWNs, 32 FAILs, 1 NA
6.          File::Copy S B R D Core module Core module
7.          File::Spec S B R D Core module Core module
- 8.          File::Temp S B R D Results by OS and perl version 786 PASS0 UNKNOWN1 FAIL0 NA 786 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
9.              File::Path S B R D Core module Core module
- 10.          Path::Class S B R D Results by OS and perl version 260 PASS0 UNKNOWN1 FAIL0 NA 260 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
11.              IO::File S B R D Core module Core module
- 12.              Module::Build S B R D Results by OS and perl version 540 PASS1 UNKNOWN3 FAIL3 NA 540 PASSes, 1 UNKNOWN, 3 FAILs, 3 NAs
13.                  ExtUtils::Install S B R D Core module Core module
- 14.                  ExtUtils::CBuilder S B R D Results by OS and perl version 566 PASS0 UNKNOWN1 FAIL0 NA 566 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
15.                      Text::ParseWords S B R D Core module Core module
16.                  ExtUtils::Manifest S B R D Core module Core module
17.                  Getopt::Long S B R D Core module Core module
18.                  Data::Dumper S B R D Core module Core module
- 19.                  ExtUtils::ParseXS S B R D Results by OS and perl version 408 PASS0 UNKNOWN3 FAIL0 NA 408 PASSes, 0 UNKNOWNs, 3 FAILs, 0 NAs
20.                      Exporter S B R D Results by OS and perl version 955 PASS2 UNKNOWN1 FAIL1 NA 955 PASSes, 2 UNKNOWNs, 1 FAIL, 1 NA
21.          File::Slurp S B R D Results by OS and perl version 1777 PASS1 UNKNOWN7 FAIL0 NA 1777 PASSes, 1 UNKNOWN, 7 FAILs, 0 NAs
- 22.      Carp::Clan::Share S B R D Results by OS and perl version 741 PASS0 UNKNOWN2 FAIL0 NA 741 PASSes, 0 UNKNOWNs, 2 FAILs, 0 NAs
- 23.          Carp::Clan S B R D Results by OS and perl version 916 PASS2 UNKNOWN0 FAIL0 NA 916 PASSes, 2 UNKNOWNs, 0 FAILs, 0 NAs
- 24.              Test::Exception S B R D Results by OS and perl version 746 PASS0 UNKNOWN1 FAIL0 NA 746 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
25.                  Sub::Uplevel S B R D Results by OS and perl version 910 PASS1 UNKNOWN1 FAIL3 NA 910 PASSes, 1 UNKNOWN, 1 FAIL, 3 NAs
- 26.      MooseX::AttributeHelpers S B R D Results by OS and perl version 506 PASS0 UNKNOWN8 FAIL0 NA 506 PASSes, 0 UNKNOWNs, 8 FAILs, 0 NAs
- 27.          Test::Moose S B R D Results by OS and perl version 117 PASS0 UNKNOWN0 FAIL2 NA 117 PASSes, 0 UNKNOWNs, 0 FAILs, 2 NAs
28.              Test::Requires S B R D Results by OS and perl version 451 PASS0 UNKNOWN0 FAIL1 NA 451 PASSes, 0 UNKNOWNs, 0 FAILs, 1 NA
- 29.              Package::DeprecationManager S B R D Results by OS and perl version 298 PASS0 UNKNOWN0 FAIL0 NA 298 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
30.                  Params::Util S B R D Results by OS and perl version 573 PASS2 UNKNOWN0 FAIL0 NA 573 PASSes, 2 UNKNOWNs, 0 FAILs, 0 NAs
- 31.                  Test::Warn S B R D Results by OS and perl version 1067 PASS0 UNKNOWN2 FAIL0 NA 1067 PASSes, 0 UNKNOWNs, 2 FAILs, 0 NAs
32.                      Tree::DAG_Node S B R D Results by OS and perl version 1879 PASS0 UNKNOWN3 FAIL0 NA 1879 PASSes, 0 UNKNOWNs, 3 FAILs, 0 NAs
33.                  Sub::Install S B R D Results by OS and perl version 1549 PASS1 UNKNOWN0 FAIL0 NA 1549 PASSes, 1 UNKNOWN, 0 FAILs, 0 NAs
34.              Try::Tiny S B R D Results by OS and perl version 434 PASS0 UNKNOWN0 FAIL0 NA 434 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 35.              Class::MOP S B R D Results by OS and perl version 194 PASS1 UNKNOWN2 FAIL2 NA 194 PASSes, 1 UNKNOWN, 2 FAILs, 2 NAs
- 36.                  MRO::Compat S B R D Results by OS and perl version 1304 PASS0 UNKNOWN1 FAIL0 NA 1304 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
- 37.                      Class::C3 S B R D Results by OS and perl version 304 PASS0 UNKNOWN0 FAIL0 NA 304 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
38.                          Algorithm::C3 S B R D Results by OS and perl version 686 PASS0 UNKNOWN2 FAIL0 NA 686 PASSes, 0 UNKNOWNs, 2 FAILs, 0 NAs
39.                  List::MoreUtils S B R D Results by OS and perl version 1798 PASS6 UNKNOWN62 FAIL0 NA 1798 PASSes, 6 UNKNOWNs, 62 FAILs, 0 NAs
40.                  Task::Weaken S B R D Results by OS and perl version 1276 PASS1 UNKNOWN0 FAIL0 NA 1276 PASSes, 1 UNKNOWN, 0 FAILs, 0 NAs
41.                  Package::Stash S B R D Results by OS and perl version 416 PASS0 UNKNOWN0 FAIL0 NA 416 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
42.                  Sub::Name S B R D Results by OS and perl version No results No results
43.                  Data::OptList S B R D Results by OS and perl version 642 PASS0 UNKNOWN0 FAIL0 NA 642 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 44.                  Devel::GlobalDestruction S B R D Results by OS and perl version 1754 PASS8 UNKNOWN2 FAIL1 NA 1754 PASSes, 8 UNKNOWNs, 2 FAILs, 1 NA
45.                      Scope::Guard S B R D Results by OS and perl version 424 PASS0 UNKNOWN0 FAIL0 NA 424 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
46.                      Sub::Exporter S B R D Results by OS and perl version 1565 PASS5 UNKNOWN0 FAIL0 NA 1565 PASSes, 5 UNKNOWNs, 0 FAILs, 0 NAs
- 47.      Test::Most S B R D Results by OS and perl version No results No results
- 48.          Exception::Class S B R D Results by OS and perl version 321 PASS2 UNKNOWN0 FAIL1 NA 321 PASSes, 2 UNKNOWNs, 0 FAILs, 1 NA
49.              Devel::StackTrace S B R D Results by OS and perl version 8 PASS0 UNKNOWN0 FAIL0 NA 8 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
50.              Class::Data::Inheritable S B R D Results by OS and perl version 1898 PASS1 UNKNOWN2 FAIL0 NA 1898 PASSes, 1 UNKNOWN, 2 FAILs, 0 NAs
- 51.          Test::Differences S B R D Results by OS and perl version 867 PASS0 UNKNOWN1 FAIL0 NA 867 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
- 52.              Text::Diff S B R D Results by OS and perl version 1042 PASS1 UNKNOWN1 FAIL0 NA 1042 PASSes, 1 UNKNOWN, 1 FAIL, 0 NAs
53.                  Test S B R D Core module Core module
54.                  Algorithm::Diff S B R D Results by OS and perl version 2009 PASS2 UNKNOWN0 FAIL0 NA 2009 PASSes, 2 UNKNOWNs, 0 FAILs, 0 NAs
- 55.          Test::Deep S B R D Results by OS and perl version 1051 PASS0 UNKNOWN2 FAIL0 NA 1051 PASSes, 0 UNKNOWNs, 2 FAILs, 0 NAs
56.              Test::Tester S B R D Results by OS and perl version 1958 PASS1 UNKNOWN2 FAIL0 NA 1958 PASSes, 1 UNKNOWN, 2 FAILs, 0 NAs
57.              Test::NoWarnings S B R D Results by OS and perl version 678 PASS1 UNKNOWN0 FAIL0 NA 678 PASSes, 1 UNKNOWN, 0 FAILs, 0 NAs
- 58.      Path::Abstract S B R D Results by OS and perl version 235 PASS0 UNKNOWN0 FAIL0 NA 235 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 59.          Test::Lazy S B R D Results by OS and perl version 976 PASS2 UNKNOWN7 FAIL2 NA 976 PASSes, 2 UNKNOWNs, 7 FAILs, 2 NAs
- 60.              Class::Accessor::Fast S B R D Results by OS and perl version 975 PASS0 UNKNOWN2 FAIL0 NA 975 PASSes, 0 UNKNOWNs, 2 FAILs, 0 NAs
61.                  base S B R D Results by OS and perl version 51 PASS0 UNKNOWN0 FAIL0 NA 51 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
Chance of all tests passing 72% (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