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Diffstat (limited to 'Master/tlpkg/tlperl/lib/TAP/Harness/Env.pm')
| -rw-r--r-- | Master/tlpkg/tlperl/lib/TAP/Harness/Env.pm | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/Master/tlpkg/tlperl/lib/TAP/Harness/Env.pm b/Master/tlpkg/tlperl/lib/TAP/Harness/Env.pm new file mode 100644 index 00000000000..1a9d7196c40 --- /dev/null +++ b/Master/tlpkg/tlperl/lib/TAP/Harness/Env.pm @@ -0,0 +1,149 @@ +package TAP::Harness::Env; + +use strict; +use warnings; + +use constant IS_VMS => ( $^O eq 'VMS' ); +use TAP::Object; +use Text::ParseWords qw/shellwords/; + +our $VERSION = '3.30'; + +# Get the parts of @INC which are changed from the stock list AND +# preserve reordering of stock directories. +sub _filtered_inc_vms { + my @inc = grep { !ref } @INC; #28567 + + # VMS has a 255-byte limit on the length of %ENV entries, so + # toss the ones that involve perl_root, the install location + @inc = grep { !/perl_root/i } @inc; + + my @default_inc = _default_inc(); + + my @new_inc; + my %seen; + for my $dir (@inc) { + next if $seen{$dir}++; + + if ( $dir eq ( $default_inc[0] || '' ) ) { + shift @default_inc; + } + else { + push @new_inc, $dir; + } + + shift @default_inc while @default_inc and $seen{ $default_inc[0] }; + } + return @new_inc; +} + +# Cache this to avoid repeatedly shelling out to Perl. +my @inc; + +sub _default_inc { + return @inc if @inc; + + local $ENV{PERL5LIB}; + local $ENV{PERLLIB}; + + my $perl = $ENV{HARNESS_PERL} || $^X; + + # Avoid using -l for the benefit of Perl 6 + chomp( @inc = `"$perl" -e "print join qq[\\n], \@INC, q[]"` ); + return @inc; +} + +sub create { + my $package = shift; + my %input = %{ shift || {} }; + + my @libs = @{ delete $input{libs} || [] }; + my @raw_switches = @{ delete $input{switches} || [] }; + my @opt + = ( @raw_switches, shellwords( $ENV{HARNESS_PERL_SWITCHES} || '' ) ); + my @switches; + while ( my $opt = shift @opt ) { + if ( $opt =~ /^ -I (.*) $ /x ) { + push @libs, length($1) ? $1 : shift @opt; + } + else { + push @switches, $opt; + } + } + + # Do things the old way on VMS... + push @libs, _filtered_inc_vms() if IS_VMS; + + # If $Verbose isn't numeric default to 1. This helps core. + my $verbose + = $ENV{HARNESS_VERBOSE} + ? $ENV{HARNESS_VERBOSE} !~ /\d/ + ? 1 + : $ENV{HARNESS_VERBOSE} + : 0; + + my %args = ( + lib => \@libs, + timer => $ENV{HARNESS_TIMER} || 0, + switches => \@switches, + color => $ENV{HARNESS_COLOR} || 0, + verbosity => $verbose, + ignore_exit => $ENV{HARNESS_IGNORE_EXIT} || 0, + ); + + my $class = $ENV{HARNESS_SUBCLASS} || 'TAP::Harness'; + if ( defined( my $env_opt = $ENV{HARNESS_OPTIONS} ) ) { + for my $opt ( split /:/, $env_opt ) { + if ( $opt =~ /^j(\d*)$/ ) { + $args{jobs} = $1 || 9; + } + elsif ( $opt eq 'c' ) { + $args{color} = 1; + } + elsif ( $opt =~ m/^f(.*)$/ ) { + my $fmt = $1; + $fmt =~ s/-/::/g; + $args{formatter_class} = $fmt; + } + elsif ( $opt =~ m/^a(.*)$/ ) { + my $archive = $1; + $class = 'TAP::Harness::Archive'; + $args{archive} = $archive; + } + else { + die "Unknown HARNESS_OPTIONS item: $opt\n"; + } + } + } + return TAP::Object->_construct($class, { %args, %input }); +} + +1; + +=head1 NAME + +TAP::Harness::Env - Parsing harness related environmental variables where appropriate + +=head1 VERSION + +Version 3.30 + +=head1 SYNOPSIS + + my ($class, $args) = get_test_arguments(); + require_module($class); + $class->new($args); + +=head1 DESCRIPTION + +This module implements the environmental variables that L<Test::Harness> for use with TAP::Harness. + +=head1 FUNCTIONS + +=over 4 + +=item * get_test_options( \%args ) + +This function reads the environment and generates an appropriate argument hash from it. If given any arguments, there will override the environmental defaults. It will return of C<$class> and C<$args>. + +=back |