CPAN Dependencies

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.

Results (Get results in XML)
  Module   Pass rate Pass Unknown Fail NA
- Mock::Quick Bug reports Detailed test results is depended on by ... Results by OS and perl version PASS 29UNKNOWN 0FAIL 0NA 0 29 0 0 0
     Scalar::Util Bug reports Detailed test results is depended on by ... Core module Core module
-      Test::Exception Bug reports Detailed test results is depended on by ... Results by OS and perl version PASS 202UNKNOWN 0FAIL 0NA 0 202 0 0 0
         Test::Harness Bug reports Detailed test results is depended on by ... Core module Core module
         base Bug reports Detailed test results is depended on by ... Core module Core module
         warnings Bug reports Detailed test results is depended on by ... Core module Core module
         ExtUtils::MakeMaker Bug reports Detailed test results is depended on by ... Core module Core module
         Exporter Bug reports Detailed test results is depended on by ... Core module Core module
         Test::Builder::Tester Bug reports Detailed test results is depended on by ... Core module Core module
         Carp Bug reports Detailed test results is depended on by ... Core module Core module
-          Sub::Uplevel Bug reports Detailed test results is depended on by ... Results by OS and perl version PASS 205UNKNOWN 0FAIL 0NA 0 205 0 0 0
             File::Spec Bug reports Detailed test results is depended on by ... Core module Core module
             constant Bug reports Detailed test results is depended on by ... Core module Core module
             lib Bug reports Detailed test results is depended on by ... Core module Core module
-      Exporter::Declare Bug reports Detailed test results is depended on by ... Results by OS and perl version PASS 75UNKNOWN 0FAIL 0NA 0 75 0 0 0
-          aliased Bug reports Detailed test results is depended on by ... Results by OS and perl version PASS 185UNKNOWN 0FAIL 1NA 0 185 0 1 0
             if Bug reports Detailed test results is depended on by ... Core module Core module
-              Module::Build::Tiny Bug reports Detailed test results is depended on by ... Results by OS and perl version PASS 188UNKNOWN 0FAIL 1NA 0 188 0 1 0
                 XSLoader Bug reports Detailed test results is depended on by ... Core module Core module
                 IO::Handle Bug reports Detailed test results is depended on by ... Core module Core module
                 ExtUtils::Install Bug reports Detailed test results is depended on by ... Core module Core module
                 File::Path Bug reports Detailed test results is depended on by ... Core module Core module
                 CPAN::Meta Bug reports Detailed test results is depended on by ... Core module Core module
                 DynaLoader Bug reports Detailed test results is depended on by ... Core module Core module
                 ExtUtils::CBuilder Bug reports Detailed test results is depended on by ... Core module Core module
                 Getopt::Long Bug reports Detailed test results is depended on by ... Core module Core module
-                  ExtUtils::Helpers Bug reports Detailed test results is depended on by ... Results by OS and perl version PASS 187UNKNOWN 0FAIL 0NA 0 187 0 0 0
                     Text::ParseWords Bug reports Detailed test results is depended on by ... Core module Core module
                 Data::Dumper Bug reports Detailed test results is depended on by ... Core module Core module
                 ExtUtils::ParseXS Bug reports Detailed test results is depended on by ... Core module Core module
                 Pod::Man Bug reports Detailed test results is depended on by ... Core module Core module
-                  ExtUtils::InstallPaths Bug reports Detailed test results is depended on by ... Results by OS and perl version PASS 187UNKNOWN 0FAIL 0NA 0 187 0 0 0
                     File::Temp Bug reports Detailed test results is depended on by ... Core module Core module
                     ExtUtils::Config Bug reports Detailed test results is depended on by ... Results by OS and perl version PASS 188UNKNOWN 0FAIL 0NA 0 188 0 0 0
                 JSON::PP Bug reports Detailed test results is depended on by ... Core module Core module
-          Meta::Builder Bug reports Detailed test results is depended on by ... Results by OS and perl version PASS 75UNKNOWN 0FAIL 0NA 0 75 0 0 0
-              Module::Build Bug reports Detailed test results is depended on by ... Results by OS and perl version PASS 94UNKNOWN 0FAIL 1NA 0 94 0 1 0
                 Module::Metadata Bug reports Detailed test results is depended on by ... Core module Core module
                 Perl::OSType Bug reports Detailed test results is depended on by ... Core module Core module
                 ExtUtils::Manifest Bug reports Detailed test results is depended on by ... Core module Core module
                 Text::Abbrev Bug reports Detailed test results is depended on by ... Core module Core module
                 version Bug reports Detailed test results is depended on by ... Core module Core module
                 CPAN::Meta::YAML Bug reports Detailed test results is depended on by ... Core module Core module
             Fennec::Lite Bug reports Detailed test results is depended on by ... Results by OS and perl version PASS 75UNKNOWN 0FAIL 0NA 0 75 0 0 0
Chance of all tests passing PASS 97%FAIL 3% 97% (note 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.
Legend : = Search = Bug reports = Test results = Reverse dependencies = OS/Perl results matrix

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 or META.json 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 separately 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.