public-inbox.git  about / heads / tags
an "archives first" approach to mailing lists
blob 9c80fbb422172cd9e9f0136fe7af7bd52d6e0db1 4967 bytes (raw)
$ git show viewdiff:t/git.t	# shows this blob on the CLI

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
 
# Copyright (C) 2015-2018 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
use strict;
use warnings;
use Test::More;
use File::Temp qw/tempdir/;
my $dir = tempdir('pi-git-XXXXXX', TMPDIR => 1, CLEANUP => 1);
use Cwd qw/getcwd/;
use PublicInbox::Spawn qw(popen_rd);

eval { require IPC::Run } or plan skip_all => 'IPC::Run missing';
use_ok 'PublicInbox::Git';

{
	is(system(qw(git init -q --bare), $dir), 0, 'created git directory');
	my $cmd = [ 'git', "--git-dir=$dir", 'fast-import', '--quiet' ];

	my $fi_data = getcwd().'/t/git.fast-import-data';
	ok(-r $fi_data, "fast-import data readable (or run test at top level)");
	IPC::Run::run($cmd, '<', $fi_data);
	is($?, 0, 'fast-import succeeded');
}

{
	my $gcf = PublicInbox::Git->new($dir);
	my $f = 'HEAD:foo.txt';
	my @x = $gcf->check($f);
	is(scalar @x, 3, 'returned 3 element array for existing file');
	like($x[0], qr/\A[a-f0-9]{40}\z/, 'returns obj ID in 1st element');
	is('blob', $x[1], 'returns obj type in 2nd element');
	like($x[2], qr/\A\d+\z/, 'returns obj size in 3rd element');

	my $raw = $gcf->cat_file($f);
	is($x[2], length($$raw), 'length matches');

	{
		my $size;
		my $rv = $gcf->cat_file($f, sub {
			my ($in, $left) = @_;
			$size = $$left;
			'nothing'
		});
		is($rv, 'nothing', 'returned from callback without reading');
		is($size, $x[2], 'set size for callback correctly');
	}

	eval { $gcf->cat_file($f, sub { die 'OMG' }) };
	like($@, qr/\bOMG\b/, 'died in callback propagated');
	is(${$gcf->cat_file($f)}, $$raw, 'not broken after failures');

	{
		my ($buf, $r);
		my $rv = $gcf->cat_file($f, sub {
			my ($in, $left) = @_;
			$r = read($in, $buf, 2);
			$$left -= $r;
			'blah'
		});
		is($r, 2, 'only read 2 bytes');
		is($buf, '--', 'partial read succeeded');
		is($rv, 'blah', 'return value propagated');
	}
	is(${$gcf->cat_file($f)}, $$raw, 'not broken after partial read');
}

if (1) {
	my $cmd = [ 'git', "--git-dir=$dir", qw(hash-object -w --stdin) ];

	# need a big file, use the AGPL-3.0 :p
	my $big_data = getcwd().'/COPYING';
	ok(-r $big_data, 'COPYING readable');
	my $size = -s $big_data;
	ok($size > 8192, 'file is big enough');

	my $buf = '';
	IPC::Run::run($cmd, '<', $big_data, '>', \$buf);
	is(0, $?, 'hashed object successfully');
	chomp $buf;

	my $gcf = PublicInbox::Git->new($dir);
	my $rsize;
	is($gcf->cat_file($buf, sub {
		$rsize = ${$_[1]};
		'x';
	}), 'x', 'checked input');
	is($rsize, $size, 'got correct size on big file');

	my $x = $gcf->cat_file($buf, \$rsize);
	is($rsize, $size, 'got correct size ref on big file');
	is(length($$x), $size, 'read correct number of bytes');

	my $rline;
	$gcf->cat_file($buf, sub {
		my ($in, $left) = @_;
		$rline = <$in>;
		$$left -= length($rline);
	});
	{
		open my $fh, '<', $big_data or die "open failed: $!\n";
		is($rline, <$fh>, 'first line matches');
	};

	my $all;
	$gcf->cat_file($buf, sub {
		my ($in, $left) = @_;
		my $x = read($in, $all, $$left);
		$$left -= $x;
	});
	{
		open my $fh, '<', $big_data or die "open failed: $!\n";
		local $/;
		is($all, <$fh>, 'entire read matches');
	};

	my $ref = $gcf->qx(qw(cat-file blob), $buf);
	is($all, $ref, 'qx read giant single string');

	my @ref = $gcf->qx(qw(cat-file blob), $buf);
	is($all, join('', @ref), 'qx returned array when wanted');
	my $nl = scalar @ref;
	ok($nl > 1, "qx returned array length of $nl");

	$gcf->qx(qw(repack -adq));
	ok($gcf->packed_bytes > 0, 'packed size is positive');
}

if ('alternates reloaded') {
	my $alt = tempdir('pi-git-XXXXXX', TMPDIR => 1, CLEANUP => 1);
	my @cmd = ('git', "--git-dir=$alt", qw(hash-object -w --stdin));
	is(system(qw(git init -q --bare), $alt), 0, 'create alt directory');
	open my $fh, '<', "$alt/config" or die "open failed: $!\n";
	my $rd = popen_rd(\@cmd, {}, { 0 => fileno($fh) } );
	close $fh or die "close failed: $!";
	chomp(my $remote = <$rd>);
	my $gcf = PublicInbox::Git->new($dir);
	is($gcf->cat_file($remote), undef, "remote file not found");
	open $fh, '>>', "$dir/objects/info/alternates" or
			die "open failed: $!\n";
	print $fh "$alt/objects" or die "print failed: $!\n";
	close $fh or die "close failed: $!";
	my $found = $gcf->cat_file($remote);
	open $fh, '<', "$alt/config" or die "open failed: $!\n";
	my $config = eval { local $/; <$fh> };
	is($$found, $config, 'alternates reloaded');
}

use_ok 'PublicInbox::Git', qw(git_unquote git_quote);
my $s;
is("foo\nbar", git_unquote($s = '"foo\\nbar"'), 'unquoted newline');
is("Eléanor", git_unquote($s = '"El\\303\\251anor"'), 'unquoted octal');
is(git_unquote($s = '"I\"m"'), 'I"m', 'unquoted dq');
is(git_unquote($s = '"I\\m"'), 'I\\m', 'unquoted backslash');

is(git_quote($s = "Eléanor"), '"El\\303\\251anor"', 'quoted octal');
is(git_quote($s = "hello\"world"), '"hello\"world"', 'quoted dq');
is(git_quote($s = "hello\\world"), '"hello\\\\world"', 'quoted backslash');
is(git_quote($s = "hello\nworld"), '"hello\\nworld"', 'quoted LF');

done_testing();

git clone https://public-inbox.org/public-inbox.git
git clone http://7fh6tueqddpjyxjmgtdiueylzoqt6pt7hec3pukyptlmohoowvhde4yd.onion/public-inbox.git