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[PATCH v3 1/8] t0021/rot13-filter: fix list comparison

From
Christian Couder <christian.couder@gmail.com>
Date
Nov 10, 2017, 13:21 UTC
Message-ID
<20171110132200.7871-2-chriscool@tuxfamily.org>
In-Reply-To
<20171110132200.7871-1-chriscool@tuxfamily.org>

Since edcc8581 ("convert: add filter.<driver>.process option", 2016-10-16) when t0021/rot13-filter.pl was created, list comparison in this perl script have been quite broken.

packet_txt_read() returns a 2-element list, and the right hand side of "eq" also has a list with (two, elements), but "eq" takes the last element of the list on each side, and compares them. The first elements (0 or 1) on the right hand side lists do not matter, which means we do not require to see a flush at the end of the version -- a simple empty string or an EOF would do, which is definitely not what we want.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
---
 t/t0021/rot13-filter.pl | 35 ++++++++++++++++++++++++++++-------
 1 file changed, 28 insertions(+), 7 deletions(-)
diff --git a/t/t0021/rot13-filter.pl b/t/t0021/rot13-filter.pl
index ad685d92f8..4b2d9087d4 100644
--- a/t/t0021/rot13-filter.pl
+++ b/t/t0021/rot13-filter.pl
@@ -55,6 +55,20 @@ sub rot13 {
 	return $str;
 }
 
+sub packet_compare_lists {
+	my ($expect, @result) = @_;
+	my $ix;
+	if (scalar @$expect != scalar @result) {
+		return undef;
+	}
+	for ($ix = 0; $ix < $#result; $ix++) {
+		if ($expect->[$ix] ne $result[$ix]) {
+			return undef;
+		}
+	}
+	return 1;
+}
+
 sub packet_bin_read {
 	my $buffer;
 	my $bytes_read = read STDIN, $buffer, 4;
@@ -110,18 +124,25 @@ sub packet_flush {
 print $debug "START\n";
 $debug->flush();
 
-( packet_txt_read() eq ( 0, "git-filter-client" ) ) || die "bad initialize";
-( packet_txt_read() eq ( 0, "version=2" ) )         || die "bad version";
-( packet_bin_read() eq ( 1, "" ) )                  || die "bad version end";
+packet_compare_lists([0, "git-filter-client"], packet_txt_read()) ||
+	die "bad initialize";
+packet_compare_lists([0, "version=2"], packet_txt_read()) ||
+	die "bad version";
+packet_compare_lists([1, ""], packet_bin_read()) ||
+	die "bad version end";
 
 packet_txt_write("git-filter-server");
 packet_txt_write("version=2");
 packet_flush();
 
-( packet_txt_read() eq ( 0, "capability=clean" ) )  || die "bad capability";
-( packet_txt_read() eq ( 0, "capability=smudge" ) ) || die "bad capability";
-( packet_txt_read() eq ( 0, "capability=delay" ) )  || die "bad capability";
-( packet_bin_read() eq ( 1, "" ) )                  || die "bad capability end";
+packet_compare_lists([0, "capability=clean"], packet_txt_read()) ||
+	die "bad capability";
+packet_compare_lists([0, "capability=smudge"], packet_txt_read()) ||
+	die "bad capability";
+packet_compare_lists([0, "capability=delay"], packet_txt_read()) ||
+	die "bad capability";
+packet_compare_lists([1, ""], packet_bin_read()) ||
+	die "bad capability end";
 
 foreach (@capabilities) {
 	packet_txt_write( "capability=" . $_ );
-- 
2.15.0.132.g7ad97d78be
Previous: Christian CouderNext: Christian Couder
Message 2 of 10 in “Create Git/Packet.pm”
  1. 0/8 Create Git/Packet.pmChristian Couder, Nov 10, 2017
  2. 1/8 t0021/rot13-filter: fix list comparisonChristian Couder, Nov 10, 2017
  3. 2/8 t0021/rot13-filter: refactor packet reading functionsChristian Couder, Nov 10, 2017
  4. 3/8 t0021/rot13-filter: improve 'if .. elsif .. else' styleChristian Couder, Nov 10, 2017
  5. 4/8 t0021/rot13-filter: improve error messageChristian Couder, Nov 10, 2017
  6. 5/8 t0021/rot13-filter: add packet_initialize()Christian Couder, Nov 10, 2017
  7. 6/8 t0021/rot13-filter: refactor checking final lfChristian Couder, Nov 10, 2017
  8. 7/8 t0021/rot13-filter: add capability functionsChristian Couder, Nov 10, 2017
  9. 8/8 Add Git/Packet.pm from parts of t0021/rot13-filter.plChristian Couder, Nov 10, 2017
  10. Junio C HamanoNov 10, 2017

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