1 files changed, 85 insertions, 0 deletions
diff --git a/lib/subunit/perl/lib/Subunit/Diff.pm b/lib/subunit/perl/lib/Subunit/Diff.pm
new file mode 100644
index 0000000000..e7841c3b00
--- /dev/null
+++ b/lib/subunit/perl/lib/Subunit/Diff.pm
@@ -0,0 +1,85 @@
+#!/usr/bin/perl
+# Diff two subunit streams
+# Copyright (C) Jelmer Vernooij <jelmer@samba.org>
+#
+#  Licensed under either the Apache License, Version 2.0 or the BSD 3-clause
+#  license at the users choice. A copy of both licenses are available in the
+#  project source as Apache-2.0 and BSD. You may not use this file except in
+#  compliance with one of these two licences.
+#  
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under these licenses is distributed on an "AS IS" BASIS, WITHOUT
+#  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+#  license you chose for the specific language governing permissions and
+#  limitations under that license.
+
+package Subunit::Diff;
+
+use strict;
+
+use Subunit qw(parse_results);
+
+sub control_msg() { }
+sub report_time($$) { }
+
+sub output_msg($$)
+{
+	my ($self, $msg) = @_;
+
+	# No output for now, perhaps later diff this as well ?
+}
+
+sub start_test($$)
+{
+	my ($self, $testname) = @_;
+}
+
+sub end_test($$$$$)
+{
+	my ($self, $testname, $result, $unexpected, $reason) = @_;
+
+	$self->{$testname} = $result;
+}
+
+sub new {
+	my ($class) = @_;
+
+	my $self = { 
+	};
+	bless($self, $class);
+}
+
+sub from_file($)
+{
+	my ($path) = @_;
+	my $statistics = {
+		TESTS_UNEXPECTED_OK => 0,
+		TESTS_EXPECTED_OK => 0,
+		TESTS_UNEXPECTED_FAIL => 0,
+		TESTS_EXPECTED_FAIL => 0,
+		TESTS_ERROR => 0,
+		TESTS_SKIP => 0,
+	};
+
+	my $ret = new Subunit::Diff();
+	open(IN, $path) or return;
+	parse_results($ret, $statistics, *IN);
+	close(IN);
+	return $ret;
+}
+
+sub diff($$)
+{
+	my ($old, $new) = @_;
+	my $ret = {};
+
+	foreach my $testname (keys %$old) {
+		if ($new->{$testname} ne $old->{$testname}) {
+			$ret->{$testname} = [$old->{$testname}, $new->{$testname}];
+		}
+	}
+
+	return $ret;
+}
+
+1;