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+.\" -*- mode: troff; coding: utf-8 -*-
+.\" Automatically generated by Pod::Man 5.01 (Pod::Simple 3.43)
+.\"
+.\" Standard preamble:
+.\" ========================================================================
+.de Sp \" Vertical space (when we can't use .PP)
+.if t .sp .5v
+.if n .sp
+..
+.de Vb \" Begin verbatim text
+.ft CW
+.nf
+.ne \\$1
+..
+.de Ve \" End verbatim text
+.ft R
+.fi
+..
+.\" \*(C` and \*(C' are quotes in nroff, nothing in troff, for use with C<>.
+.ie n \{\
+. ds C` ""
+. ds C' ""
+'br\}
+.el\{\
+. ds C`
+. ds C'
+'br\}
+.\"
+.\" Escape single quotes in literal strings from groff's Unicode transform.
+.ie \n(.g .ds Aq \(aq
+.el .ds Aq '
+.\"
+.\" If the F register is >0, we'll generate index entries on stderr for
+.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index
+.\" entries marked with X<> in POD. Of course, you'll have to process the
+.\" output yourself in some meaningful fashion.
+.\"
+.\" Avoid warning from groff about undefined register 'F'.
+.de IX
+..
+.nr rF 0
+.if \n(.g .if rF .nr rF 1
+.if (\n(rF:(\n(.g==0)) \{\
+. if \nF \{\
+. de IX
+. tm Index:\\$1\t\\n%\t"\\$2"
+..
+. if !\nF==2 \{\
+. nr % 0
+. nr F 2
+. \}
+. \}
+.\}
+.rr rF
+.\" ========================================================================
+.\"
+.IX Title "TAP::Parser::Scheduler 3pm"
+.TH TAP::Parser::Scheduler 3pm 2023-11-28 "perl v5.38.2" "Perl Programmers Reference Guide"
+.\" For nroff, turn off justification. Always turn off hyphenation; it makes
+.\" way too many mistakes in technical documents.
+.if n .ad l
+.nh
+.SH NAME
+TAP::Parser::Scheduler \- Schedule tests during parallel testing
+.SH VERSION
+.IX Header "VERSION"
+Version 3.44
+.SH SYNOPSIS
+.IX Header "SYNOPSIS"
+.Vb 1
+\& use TAP::Parser::Scheduler;
+.Ve
+.SH DESCRIPTION
+.IX Header "DESCRIPTION"
+.SH METHODS
+.IX Header "METHODS"
+.SS "Class Methods"
+.IX Subsection "Class Methods"
+\fR\f(CI\*(C`new\*(C'\fR\fI\fR
+.IX Subsection "new"
+.PP
+.Vb 5
+\& my $sched = TAP::Parser::Scheduler\->new(tests => \e@tests);
+\& my $sched = TAP::Parser::Scheduler\->new(
+\& tests => [ [\*(Aqt/test_name.t\*(Aq,\*(AqTest Description\*(Aq], ... ],
+\& rules => \e%rules,
+\& );
+.Ve
+.PP
+Given 'tests' and optional 'rules' as input, returns a new
+\&\f(CW\*(C`TAP::Parser::Scheduler\*(C'\fR object. Each member of \f(CW@tests\fR should be either a
+a test file name, or a two element arrayref, where the first element is a test
+file name, and the second element is a test description. By default, we'll use
+the test name as the description.
+.PP
+The optional \f(CW\*(C`rules\*(C'\fR attribute provides direction on which tests should be run
+in parallel and which should be run sequentially. If no rule data structure is
+provided, a default data structure is used which makes every test eligible to
+be run in parallel:
+.PP
+.Vb 1
+\& { par => \*(Aq**\*(Aq },
+.Ve
+.PP
+The rules data structure is documented more in the next section.
+.SS "Rules data structure"
+.IX Subsection "Rules data structure"
+The "\f(CW\*(C`rules\*(C'\fR" data structure is the the heart of the scheduler. It allows you
+to express simple rules like "run all tests in sequence" or "run all tests in
+parallel except these five tests.". However, the rules structure also supports
+glob-style pattern matching and recursive definitions, so you can also express
+arbitarily complicated patterns.
+.PP
+The rule must only have one top level key: either 'par' for "parallel" or 'seq'
+for "sequence".
+.PP
+Values must be either strings with possible glob-style matching, or arrayrefs
+of strings or hashrefs which follow this pattern recursively.
+.PP
+Every element in an arrayref directly below a 'par' key is eligible to be run
+in parallel, while vavalues directly below a 'seq' key must be run in sequence.
+.PP
+\fIRules examples\fR
+.IX Subsection "Rules examples"
+.PP
+Here are some examples:
+.PP
+.Vb 2
+\& # All tests be run in parallel (the default rule)
+\& { par => \*(Aq**\*(Aq },
+\&
+\& # Run all tests in sequence, except those starting with "p"
+\& { par => \*(Aqt/p*.t\*(Aq },
+\&
+\& # Run all tests in parallel, except those starting with "p"
+\& {
+\& seq => [
+\& { seq => \*(Aqt/p*.t\*(Aq },
+\& { par => \*(Aq**\*(Aq },
+\& ],
+\& }
+\&
+\& # Run some startup tests in sequence, then some parallel tests then some
+\& # teardown tests in sequence.
+\& {
+\& seq => [
+\& { seq => \*(Aqt/startup/*.t\*(Aq },
+\& { par => [\*(Aqt/a/*.t\*(Aq,\*(Aqt/b/*.t\*(Aq,\*(Aqt/c/*.t\*(Aq], }
+\& { seq => \*(Aqt/shutdown/*.t\*(Aq },
+\& ],
+\& },
+.Ve
+.PP
+\fIRules resolution\fR
+.IX Subsection "Rules resolution"
+.IP \(bu 4
+By default, all tests are eligible to be run in parallel. Specifying any of your own rules removes this one.
+.IP \(bu 4
+"First match wins". The first rule that matches a test will be the one that applies.
+.IP \(bu 4
+Any test which does not match a rule will be run in sequence at the end of the run.
+.IP \(bu 4
+The existence of a rule does not imply selecting a test. You must still specify the tests to run.
+.IP \(bu 4
+Specifying a rule to allow tests to run in parallel does not make the run in parallel. You still need specify the number of parallel \f(CW\*(C`jobs\*(C'\fR in your Harness object.
+.PP
+\fIGlob-style pattern matching for rules\fR
+.IX Subsection "Glob-style pattern matching for rules"
+.PP
+We implement our own glob-style pattern matching. Here are the patterns it supports:
+.PP
+.Vb 5
+\& ** is any number of characters, including /, within a pathname
+\& * is zero or more characters within a filename/directory name
+\& ? is exactly one character within a filename/directory name
+\& {foo,bar,baz} is any of foo, bar or baz.
+\& \e is an escape character
+.Ve
+.SS "Instance Methods"
+.IX Subsection "Instance Methods"
+\fR\f(CI\*(C`get_all\*(C'\fR\fI\fR
+.IX Subsection "get_all"
+.PP
+Get a list of all remaining tests.
+.PP
+\fR\f(CI\*(C`get_job\*(C'\fR\fI\fR
+.IX Subsection "get_job"
+.PP
+Return the next available job as TAP::Parser::Scheduler::Job object or
+\&\f(CW\*(C`undef\*(C'\fR if none are available. Returns a TAP::Parser::Scheduler::Spinner if
+the scheduler still has pending jobs but none are available to run right now.
+.PP
+\fR\f(CI\*(C`as_string\*(C'\fR\fI\fR
+.IX Subsection "as_string"
+.PP
+Return a human readable representation of the scheduling tree.
+For example:
+.PP
+.Vb 3
+\& my @tests = (qw{
+\& t/startup/foo.t
+\& t/shutdown/foo.t
+\&
+\& t/a/foo.t t/b/foo.t t/c/foo.t t/d/foo.t
+\& });
+\& my $sched = TAP::Parser::Scheduler\->new(
+\& tests => \e@tests,
+\& rules => {
+\& seq => [
+\& { seq => \*(Aqt/startup/*.t\*(Aq },
+\& { par => [\*(Aqt/a/*.t\*(Aq,\*(Aqt/b/*.t\*(Aq,\*(Aqt/c/*.t\*(Aq] },
+\& { seq => \*(Aqt/shutdown/*.t\*(Aq },
+\& ],
+\& },
+\& );
+.Ve
+.PP
+Produces:
+.PP
+.Vb 10
+\& par:
+\& seq:
+\& par:
+\& seq:
+\& par:
+\& seq:
+\& \*(Aqt/startup/foo.t\*(Aq
+\& par:
+\& seq:
+\& \*(Aqt/a/foo.t\*(Aq
+\& seq:
+\& \*(Aqt/b/foo.t\*(Aq
+\& seq:
+\& \*(Aqt/c/foo.t\*(Aq
+\& par:
+\& seq:
+\& \*(Aqt/shutdown/foo.t\*(Aq
+\& \*(Aqt/d/foo.t\*(Aq
+.Ve