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12a-test.pl
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12a-test.pl
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#!/usr/bin/perl
use 5.16.0;
use warnings FATAL => 'all';
use Test::Simple tests => 28;
use IO::Handle;
sub mount {
system("(make mount 2>&1) >> test.log &");
sleep 1;
}
sub unmount {
system("(make unmount 2>&1) >> test.log");
}
sub write_text {
my ($name, $data) = @_;
open my $fh, ">", "mnt/$name" or return;
$fh->say($data);
close $fh;
}
sub read_text {
my ($name) = @_;
open my $fh, "<", "mnt/$name" or return "";
local $/ = undef;
my $data = <$fh> || "";
close $fh;
$data =~ s/\s*$//;
return $data;
}
sub read_text_slice {
my ($name, $count, $offset) = @_;
open my $fh, "<", "mnt/$name" or return "";
my $data;
seek $fh, $offset, 0;
read $fh, $data, $count;
close $fh;
return $data;
}
system("rm -f data.nufs test.log");
system("(make 2>&1) > test.log");
system("./nufstool new data.nufs");
say "# == Basic Tests ==";
mount();
my $part1 = 0;
sub p1ok {
my ($cond, $msg) = @_;
if ($cond) {
++$part1;
}
else {
ok(0, $msg);
}
}
my $msg0 = "hello, one";
write_text("one.txt", $msg0);
p1ok(-e "mnt/one.txt", "File1 exists.");
p1ok(-f "mnt/one.txt", "File1 is regular file.");
my $msg1 = read_text("one.txt");
say "# '$msg0' eq '$msg1'?";
p1ok($msg0 eq $msg1, "read back data1");
my $msg2 = "hello, two";
write_text("two.txt", $msg2);
p1ok(-e "mnt/two.txt", "File2 exists.");
p1ok(-f "mnt/two.txt", "File2 is regular file.");
my $msg3 = read_text("two.txt");
say "# '$msg0' eq '$msg1'?";
p1ok($msg2 eq $msg3, "Read back data2 correctly.");
my $files = `ls mnt`;
p1ok($files =~ /one\.txt/, "one.txt is in the directory");
p1ok($files =~ /two\.txt/, "two.txt is in the directory");
my $long0 = "=This string is fourty characters long.=" x 50;
write_text("2k.txt", $long0);
my $long1 = read_text("2k.txt");
p1ok($long0 eq $long1, "Read back long correctly.");
my $long2 = read_text_slice("2k.txt", 10, 50);
my $right = "ng is four";
p1ok($long2 eq $right, "Read with offset & length");
unmount();
unless (!-e "mnt/one.txt") {
die "It looks like your filesystem never mounted";
}
p1ok(!-e "mnt/one.txt", "one.txt doesn't exist after umount");
say "# part1 = $part1";
ok($part1 == 11, "No regressions on the easy stuff.");
$files = `ls mnt`;
ok($files !~ /one\.txt/, "one.txt is not in the directory");
ok($files !~ /two\.txt/, "two.txt is not in the directory");
mount();
$files = `ls mnt`;
ok($files =~ /one\.txt/, "one.txt is in the directory still");
ok($files =~ /two\.txt/, "two.txt is in the directory still");
$msg1 = read_text("one.txt");
say "# '$msg0' eq '$msg1'?";
ok($msg0 eq $msg1, "Read back data1 correctly again.");
$msg3 = read_text("two.txt");
say "# '$msg2' eq '$msg3'?";
ok($msg2 eq $msg3, "Read back data2 correctly again.");
system("rm -f mnt/one.txt");
$files = `ls mnt`;
ok($files !~ /one\.txt/, "deleted one.txt");
system("mv mnt/two.txt mnt/abc.txt");
$files = `ls mnt`;
ok($files !~ /two\.txt/, "moved two.txt");
ok($files =~ /abc\.txt/, "have abc.txt");
my $msg4 = read_text("abc.txt");
say "# '$msg2' eq '$msg4'?";
ok($msg2 eq $msg4, "Read back data after rename.");
say "# == Less Basic Tests ==";
system("ln mnt/abc.txt mnt/def.txt");
my $msg5 = read_text("def.txt");
say "# '$msg2' eq '$msg5'?";
ok($msg2 eq $msg5, "Read back data after link.");
system("rm -f mnt/abc.txt");
my $msg6 = read_text("def.txt");
say "# '$msg2' eq '$msg6'?";
ok($msg2 eq $msg6, "Read back data after other link deleted.");
system("mkdir mnt/foo");
ok(-d "mnt/foo", "Made a directory");
system("cp mnt/def.txt mnt/foo/abc.txt");
my $msg7 = read_text("foo/abc.txt");
say "# '$msg2' eq '$msg7'?";
ok($msg2 eq $msg7, "Read back data from copy in subdir.");
my $huge0 = "=This string is fourty characters long.=" x 1000;
write_text("40k.txt", $huge0);
my $huge1 = read_text("40k.txt");
ok($huge0 eq $huge1, "Read back 40k correctly.");
my $huge2 = read_text_slice("40k.txt", 10, 8050);
$right = "ng is four";
ok($huge2 eq $right, "Read with offset & length");
system("mkdir -p mnt/dir1/dir2/dir3/dir4/dir5");
my $hi0 = "hello there";
write_text("dir1/dir2/dir3/dir4/dir5/hello.txt", $hi0);
my $hi1 = read_text("dir1/dir2/dir3/dir4/dir5/hello.txt");
ok($hi0 eq $hi1, "nested directories");
system("mkdir mnt/numbers");
for my $ii (1..50) {
write_text("numbers/$ii.num", "$ii");
}
my $nn = `ls mnt/numbers | wc -l`;
ok($nn == 50, "created 50 files");
for my $ii (1..5) {
my $xx = $ii * 10;
my $yy = read_text("numbers/$xx.num") || -10;
ok($xx == $yy, "check value $xx");
}
for my $ii (1..4) {
my $xx = $ii * 7;
system("rm mnt/numbers/$xx.num");
}
unmount();
ok(!-d "mnt/numbers", "numbers dir doesn't exist after umount");
mount();
my $mm = `ls mnt/numbers | wc -l`;
ok($mm == 46, "deleted 4 files");
unmount();
my $size = `wc -c data.nufs`;
ok($size =~ /^(\d+)/ && +$1 == 1048576, "correct size disk image");
my $list = `timeout -k 5 2 ./nufstool ls data.nufs`;
ok($list =~ /25\.num/, "nufstool ls shows nesting");