Module-Implementation-0.09HEADModule-Implementation-0.09master

1 files changed, 176 insertions, 0 deletions

diff --git a/t/00-report-prereqs.t b/t/00-report-prereqs.t
new file mode 100644
index 0000000..402b3d9
--- /dev/null
+++ b/t/00-report-prereqs.t
@@ -0,0 +1,176 @@
+#!perl
+
+use strict;
+use warnings;
+
+# This test was generated by Dist::Zilla::Plugin::Test::ReportPrereqs 0.019
+
+use Test::More tests => 1;
+
+use ExtUtils::MakeMaker;
+use File::Spec;
+
+# from $version::LAX
+my $lax_version_re =
+    qr/(?: undef | (?: (?:[0-9]+) (?: \. | (?:\.[0-9]+) (?:_[0-9]+)? )?
+            |
+            (?:\.[0-9]+) (?:_[0-9]+)?
+        ) | (?:
+            v (?:[0-9]+) (?: (?:\.[0-9]+)+ (?:_[0-9]+)? )?
+            |
+            (?:[0-9]+)? (?:\.[0-9]+){2,} (?:_[0-9]+)?
+        )
+    )/x;
+
+# hide optional CPAN::Meta modules from prereq scanner
+# and check if they are available
+my $cpan_meta = "CPAN::Meta";
+my $cpan_meta_pre = "CPAN::Meta::Prereqs";
+my $HAS_CPAN_META = eval "require $cpan_meta; $cpan_meta->VERSION('2.120900')" && eval "require $cpan_meta_pre"; ## no critic
+
+# Verify requirements?
+my $DO_VERIFY_PREREQS = 1;
+
+sub _max {
+    my $max = shift;
+    $max = ( $_ > $max ) ? $_ : $max for @_;
+    return $max;
+}
+
+sub _merge_prereqs {
+    my ($collector, $prereqs) = @_;
+
+    # CPAN::Meta::Prereqs object
+    if (ref $collector eq $cpan_meta_pre) {
+        return $collector->with_merged_prereqs(
+            CPAN::Meta::Prereqs->new( $prereqs )
+        );
+    }
+
+    # Raw hashrefs
+    for my $phase ( keys %$prereqs ) {
+        for my $type ( keys %{ $prereqs->{$phase} } ) {
+            for my $module ( keys %{ $prereqs->{$phase}{$type} } ) {
+                $collector->{$phase}{$type}{$module} = $prereqs->{$phase}{$type}{$module};
+            }
+        }
+    }
+
+    return $collector;
+}
+
+my @include = qw(
+
+);
+
+my @exclude = qw(
+
+);
+
+# Add static prereqs to the included modules list
+my $static_prereqs = do 't/00-report-prereqs.dd';
+
+# Merge all prereqs (either with ::Prereqs or a hashref)
+my $full_prereqs = _merge_prereqs(
+    ( $HAS_CPAN_META ? $cpan_meta_pre->new : {} ),
+    $static_prereqs
+);
+
+# Add dynamic prereqs to the included modules list (if we can)
+my ($source) = grep { -f } 'MYMETA.json', 'MYMETA.yml';
+if ( $source && $HAS_CPAN_META ) {
+    if ( my $meta = eval { CPAN::Meta->load_file($source) } ) {
+        $full_prereqs = _merge_prereqs($full_prereqs, $meta->prereqs);
+    }
+}
+else {
+    $source = 'static metadata';
+}
+
+my @full_reports;
+my @dep_errors;
+my $req_hash = $HAS_CPAN_META ? $full_prereqs->as_string_hash : $full_prereqs;
+
+# Add static includes into a fake section
+for my $mod (@include) {
+    $req_hash->{other}{modules}{$mod} = 0;
+}
+
+for my $phase ( qw(configure build test runtime develop other) ) {
+    next unless $req_hash->{$phase};
+    next if ($phase eq 'develop' and not $ENV{AUTHOR_TESTING});
+
+    for my $type ( qw(requires recommends suggests conflicts modules) ) {
+        next unless $req_hash->{$phase}{$type};
+
+        my $title = ucfirst($phase).' '.ucfirst($type);
+        my @reports = [qw/Module Want Have/];
+
+        for my $mod ( sort keys %{ $req_hash->{$phase}{$type} } ) {
+            next if $mod eq 'perl';
+            next if grep { $_ eq $mod } @exclude;
+
+            my $file = $mod;
+            $file =~ s{::}{/}g;
+            $file .= ".pm";
+            my ($prefix) = grep { -e File::Spec->catfile($_, $file) } @INC;
+
+            my $want = $req_hash->{$phase}{$type}{$mod};
+            $want = "undef" unless defined $want;
+            $want = "any" if !$want && $want == 0;
+
+            my $req_string = $want eq 'any' ? 'any version required' : "version '$want' required";
+
+            if ($prefix) {
+                my $have = MM->parse_version( File::Spec->catfile($prefix, $file) );
+                $have = "undef" unless defined $have;
+                push @reports, [$mod, $want, $have];
+
+                if ( $DO_VERIFY_PREREQS && $HAS_CPAN_META && $type eq 'requires' ) {
+                    if ( $have !~ /\A$lax_version_re\z/ ) {
+                        push @dep_errors, "$mod version '$have' cannot be parsed ($req_string)";
+                    }
+                    elsif ( ! $full_prereqs->requirements_for( $phase, $type )->accepts_module( $mod => $have ) ) {
+                        push @dep_errors, "$mod version '$have' is not in required range '$want'";
+                    }
+                }
+            }
+            else {
+                push @reports, [$mod, $want, "missing"];
+
+                if ( $DO_VERIFY_PREREQS && $type eq 'requires' ) {
+                    push @dep_errors, "$mod is not installed ($req_string)";
+                }
+            }
+        }
+
+        if ( @reports ) {
+            push @full_reports, "=== $title ===\n\n";
+
+            my $ml = _max( map { length $_->[0] } @reports );
+            my $wl = _max( map { length $_->[1] } @reports );
+            my $hl = _max( map { length $_->[2] } @reports );
+            splice @reports, 1, 0, ["-" x $ml, "-" x $wl, "-" x $hl];
+
+            push @full_reports, map { sprintf("    %*s %*s %*s\n", -$ml, $_->[0], $wl, $_->[1], $hl, $_->[2]) } @reports;
+            push @full_reports, "\n";
+        }
+    }
+}
+
+if ( @full_reports ) {
+    diag "\nVersions for all modules listed in $source (including optional ones):\n\n", @full_reports;
+}
+
+if ( @dep_errors ) {
+    diag join("\n",
+        "\n*** WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING ***\n",
+        "The following REQUIRED prerequisites were not satisfied:\n",
+        @dep_errors,
+        "\n"
+    );
+}
+
+pass;
+
+# vim: ts=4 sts=4 sw=4 et: