diff options
Diffstat (limited to 'src/test')
| -rw-r--r-- | src/test/perl/README | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/src/test/perl/README b/src/test/perl/README index bfc7cdcfa30..67a050b9d48 100644 --- a/src/test/perl/README +++ b/src/test/perl/README @@ -70,20 +70,36 @@ perldoc for the test modules, e.g.: perldoc src/test/perl/PostgresNode.pm -Required Perl -------------- +Portability +----------- + +Avoid using any bleeding-edge Perl features. We have buildfarm animals +running Perl versions as old as 5.8.3, so your tests will be expected +to pass on that. -Tests must run on perl 5.8.3 and newer. perlbrew is a good way to obtain such -a Perl; see http://perlbrew.pl . +Also, do not use any non-core Perl modules except IPC::Run. Or, if you +must do so for a particular test, arrange to skip the test when the needed +module isn't present. If unsure, you can consult Module::CoreList to find +out whether a given module is part of the Perl core, and which module +versions shipped with which Perl releases. -Just install and +One way to test for compatibility with old Perl versions is to use +perlbrew; see http://perlbrew.pl . After installing that, do + export PERLBREW_CONFIGURE_FLAGS='-de -Duseshrplib' perlbrew --force install 5.8.3 perlbrew use 5.8.3 perlbrew install-cpanm - cpanm install IPC::Run + cpanm install Test::Simple@0.87_01 + cpanm install IPC::Run@0.79 + cpanm install ExtUtils::MakeMaker@6.50 # downgrade -then re-run configure to ensure the correct Perl is used when running -tests. To verify that the right Perl was found: +Then re-run Postgres' configure to ensure the correct Perl is used when +running tests. To verify that the right Perl was found: grep ^PERL= config.log + +Due to limitations of cpanm, this recipe doesn't exactly duplicate the +module list of older buildfarm animals. The discrepancies should seldom +matter, but if you want to be sure, bypass cpanm and instead manually +install the desired versions of Test::Simple and IPC::Run. |