1 files changed, 80 insertions, 0 deletions
diff --git a/cpan/Test-Harness/t/parser-subclass.t b/cpan/Test-Harness/t/parser-subclass.t
new file mode 100644
index 0000000000..303c28ca27
--- /dev/null
+++ b/cpan/Test-Harness/t/parser-subclass.t
@@ -0,0 +1,80 @@
+#!/usr/bin/perl -w
+
+BEGIN {
+    unshift @INC, 't/lib';
+}
+
+use strict;
+use vars qw(%INIT %CUSTOM);
+
+use Test::More tests => 24;
+use File::Spec::Functions qw( catfile updir );
+
+use_ok('TAP::Parser::SubclassTest');
+
+# TODO: foreach my $source ( ... )
+{    # perl source
+    %INIT = %CUSTOM = ();
+    my $source = catfile( 't', 'subclass_tests', 'perl_source' );
+    my $p = TAP::Parser::SubclassTest->new( { source => $source } );
+
+    # The grammar is lazily constructed so we need to ask for it to
+    # trigger it's creation.
+    my $grammer = $p->_grammar;
+
+    ok( $p->{initialized}, 'new subclassed parser' );
+
+    is( $p->source_class      => 'MySource',     'source_class' );
+    is( $p->perl_source_class => 'MyPerlSource', 'perl_source_class' );
+    is( $p->grammar_class     => 'MyGrammar',    'grammar_class' );
+    is( $p->iterator_factory_class => 'MyIteratorFactory',
+        'iterator_factory_class'
+    );
+    is( $p->result_factory_class => 'MyResultFactory',
+        'result_factory_class'
+    );
+
+    is( $INIT{MyPerlSource},   1, 'initialized MyPerlSource' );
+    is( $CUSTOM{MyPerlSource}, 1, '... and it was customized' );
+    is( $INIT{MyGrammar},      1, 'initialized MyGrammar' );
+    is( $CUSTOM{MyGrammar},    1, '... and it was customized' );
+
+    # make sure overrided make_* methods work...
+    %CUSTOM = ();
+    $p->make_source;
+    is( $CUSTOM{MySource}, 1, 'make custom source' );
+    $p->make_perl_source;
+    is( $CUSTOM{MyPerlSource}, 1, 'make custom perl source' );
+    $p->make_grammar;
+    is( $CUSTOM{MyGrammar}, 1, 'make custom grammar' );
+    $p->make_iterator;
+    is( $CUSTOM{MyIterator}, 1, 'make custom iterator' );
+    $p->make_result;
+    is( $CUSTOM{MyResult}, 1, 'make custom result' );
+
+    # make sure parser helpers use overrided classes too (the parser should
+    # be the central source of configuration/overriding functionality)
+    # The source is already tested above (parser doesn't keep a copy of the
+    # source currently).  So only one to check is the Grammar:
+    %INIT = %CUSTOM = ();
+    my $r = $p->_grammar->tokenize;
+    isa_ok( $r, 'MyResult', 'i has results' );
+    is( $INIT{MyResult},        1, 'initialized MyResult' );
+    is( $CUSTOM{MyResult},      1, '... and it was customized' );
+    is( $INIT{MyResultFactory}, 1, '"initialized" MyResultFactory' );
+}
+
+SKIP: {    # non-perl source
+    %INIT = %CUSTOM = ();
+    my $cat = '/bin/cat';
+    unless ( -e $cat ) {
+        skip "no '$cat'", 4;
+    }
+    my $file = catfile( 't', 'data', 'catme.1' );
+    my $p = TAP::Parser::SubclassTest->new( { exec => [ $cat => $file ] } );
+
+    is( $INIT{MySource},     1, 'initialized MySource subclass' );
+    is( $CUSTOM{MySource},   1, '... and it was customized' );
+    is( $INIT{MyIterator},   1, 'initialized MyIterator subclass' );
+    is( $CUSTOM{MyIterator}, 1, '... and it was customized' );
+}