selftest/subunit: Add diff command that can diff two subunit streams.

1 files changed, 73 insertions, 0 deletions

diff --git a/selftest/Subunit/Diff.pm b/selftest/Subunit/Diff.pm
new file mode 100644
index 0000000000..8add5827f4
--- /dev/null
+++ b/selftest/Subunit/Diff.pm
@@ -0,0 +1,73 @@
+#!/usr/bin/perl
+# Diff two subunit streams
+# Copyright (C) Jelmer Vernooij <jelmer@samba.org>
+# Published under the GNU GPL, v3 or later
+
+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($$)
+{
+	my ($self, $testname) = @_;
+}
+
+sub end_test($$$$$)
+{
+	my ($self, $testname, $result, $unexpected, $reason) = @_;
+
+	$self->{$testname} = $result;
+}
+
+sub skip_testsuite($;$) { } 
+sub start_testsuite($;$) { }
+sub end_testsuite($$;$) { }
+sub testsuite_count($$) { }
+
+sub new {
+	my ($class) = @_;
+
+	my $self = { 
+	};
+	bless($self, $class);
+}
+
+sub diff($$)
+{
+	my ($fh1, $fh2) = @_;
+	my $ret = {};
+	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 $old = new Subunit::Diff();
+	parse_results($old, $statistics, $fh1);
+	my $new = new Subunit::Diff();
+	parse_results($new, $statistics, $fh2);
+
+	foreach my $testname (keys %$old) {
+		if ($new->{$testname} ne $old->{$testname}) {
+			$ret->{$testname} = [$old->{$testname}, $new->{$testname}];
+		}
+	}
+
+	return $ret;
+}
+
+1;