Tidy and simplify this script

diff --git a/moose-class/exercises/answers/test_answers.pl b/moose-class/exercises/answers/test_answers.pl
index 893202e..df8f5ff 100755 (executable)
--- a/moose-class/exercises/answers/test_answers.pl
+++ b/moose-class/exercises/answers/test_answers.pl
@@ -1,35 +1,29 @@
-#!/usr/bin/env perl
+#!/usr/bin/perl
+
 use strict;
 use warnings;
+
 use FindBin;
 use TAP::Harness;
 
 
-### construct a hash of test_filename => answer_libdir
-my %test2anslib =
-    map {
-        my $answer_libdir = $_;
-        my ($exercise_num) = $answer_libdir =~ m!/(\d+)-!
-            or die "can't parse dir name '$answer_libdir'";
+my $harness = TAP::Harness->new(
+    {
+        failures => 1,
+        exec     => sub {
+            my ( undef, $testfile ) = @_;
 
-        map {$_ => $answer_libdir}
-        glob "$FindBin::RealBin/../t/$exercise_num-*.t";
-    }
-    # filter to find just answer libdirs
-    grep m!/\d+-[\w-]+/$!,
-    # list all dirs below this t/ dir
-    glob "$FindBin::RealBin/*/"; 
+            my ($number) = $testfile =~ m{^t/(\d+)};
 
+            return [ $^X, $testfile ] if $number eq '00';
 
+            my ($libdir) = glob "answers/$number-*"
+                or die "Cannot find an answer dir for $testfile";
 
-my $harness = TAP::Harness->new({
-    failures => 1,
-    exec => sub {
-        my ($h,$testfile) = @_;
-        my $ans_libdir = $test2anslib{$testfile} or die "test file $testfile not found??";
-        [$^X, "-I$ans_libdir", $testfile ]
-    },
-});
+            [ $^X, "-I$libdir", $testfile ];
+        },
+    }
+);
 
 chdir "$FindBin::RealBin/../";
-$harness->runtests( sort keys %test2anslib );
+$harness->runtests( sort glob 't/*.t' );