2021-10-19 15:30:39 +08:00

293 lines
7.5 KiB
Perl

# Net::ZooKeeper - Perl extension for Apache ZooKeeper
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
use File::Spec;
use Test::More tests => 42;
BEGIN { use_ok('Net::ZooKeeper', qw(:all)) };
my $test_dir;
(undef, $test_dir, undef) = File::Spec->splitpath($0);
require File::Spec->catfile($test_dir, 'util.pl');
my($hosts, $root_path, $node_path) = zk_test_setup(0);
SKIP: {
my $zkh = Net::ZooKeeper->new($hosts);
my $watch = $zkh->watch() if (defined($zkh));
skip 'no valid watch handle', 4 unless (defined($watch));
## DESTROY()
my $attr = tied(%{$watch});
my $ret = $attr->DESTROY();
ok($ret,
'watch DESTROY(): destroyed inner watch hash');
$ret = $attr->DESTROY();
ok(!$ret,
'watch DESTROY(): no action on destroyed inner watch hash');
$ret = $watch->DESTROY();
ok(!$ret,
'watch DESTROY(): no action on watch handle with destroyed inner hash');
undef $watch;
ok(!defined($watch),
'undef: released watch handle with destroyed inner hash');
}
SKIP: {
my $zkh = Net::ZooKeeper->new($hosts);
my $watch = $zkh->watch() if (defined($zkh));
skip 'no valid watch handle', 37 unless (defined($watch));
## TIEHASH(), UNTIE()
eval {
tie(%{$watch}, 'Net::ZooKeeper::Watch');
};
like($@, qr/tying hashes of class Net::ZooKeeper::Watch not supported/,
'tie(): tying watch hashes not supported');
eval {
Net::ZooKeeper::Watch::TIEHASH('Net::ZooKeeper::Watch');
};
like($@, qr/tying hashes of class Net::ZooKeeper::Watch not supported/,
'watch TIEHASH(): tying watch hashes not supported');
eval {
untie(%{$watch});
};
like($@, qr/untying hashes of class Net::ZooKeeper::Watch not supported/,
'untie(): untying watch hashes not supported');
my $attr = tied(%{$watch});
eval {
$attr->UNTIE(0);
};
like($@, qr/untying hashes of class Net::ZooKeeper::Watch not supported/,
'watch UNTIE(): untying watch hashes not supported');
## FIRSTKEY(), NEXTKEY(), SCALAR()
my $copy_watch;
{
my %copy_watch = %{$watch};
$copy_watch = \%copy_watch;
}
bless($copy_watch, 'Net::ZooKeeper::Watch');
is(ref($copy_watch), 'Net::ZooKeeper::Watch',
'watch FIRSTKEY(), NEXTKEY(): copied dereferenced watch handle');
eval {
my $val = $copy_watch->FIRSTKEY();
};
like($@, qr/invalid handle/,
'watch FETCHKEY(): invalid watch handle');
eval {
my $val = $copy_watch->NEXTKEY('czxid');
};
like($@, qr/invalid handle/,
'watch NEXTKEY(): invalid watch handle');
my @keys = keys(%{$watch});
is(scalar(@keys), 3,
'keys(): count of keys from watch handle');
@keys = keys(%{$copy_watch});
is(scalar(@keys), 3,
'keys(): count of keys from copied dereferenced watch handle');
is($attr->FIRSTKEY(), 'timeout',
'watch FIRSTKEY(): retrieved first key using inner watch hash');
is($attr->NEXTKEY('event'), 'state',
'watch NEXTKEY(): retrieved last key using inner watch hash');
is($attr->NEXTKEY('state'), undef,
'NEXTKEY(): undef returned after last key using inner watch hash');
ok(scalar(%{$watch}),
'scalar(): true value returned for dereferenced watch handle');
ok($watch->SCALAR(),
'watch SCALAR(): true value returned');
## FETCH()
eval {
my $val = $copy_watch->FETCH('version');
};
like($@, qr/invalid handle/,
'watch FETCH(): invalid watch handle');
{
my $msg;
$SIG{'__WARN__'} = sub { $msg = $_[0]; };
my $val = $watch->{'foo'};
ok(!defined($val),
'watch FETCH(): undef returned for invalid element');
like($msg, qr/invalid element/,
'watch FETCH(): invalid element');
}
is($watch->{'timeout'}, 60000,
'watch FETCH(): default timeout');
is($watch->{'event'}, 0,
'watch FETCH(): default event');
is($watch->{'state'}, 0,
'watch FETCH(): default state');
is($attr->FETCH('timeout'), 60000,
'watch FETCH(): default timeout using inner watch hash');
## STORE()
eval {
my $val = $copy_watch->STORE('version', 'foo');
};
like($@, qr/invalid handle/,
'watch STORE(): invalid watch handle');
{
my $msg;
$SIG{'__WARN__'} = sub { $msg = $_[0]; };
$watch->{'foo'} = 'foo';
like($msg, qr/invalid element/,
'watch STORE(): invalid element');
}
{
my $msg;
$SIG{'__WARN__'} = sub { $msg = $_[0]; };
$watch->{'event'} = 'foo';
like($msg, qr/read-only element: event/,
'watch STORE(): read-only event element');
}
{
my $msg;
$SIG{'__WARN__'} = sub { $msg = $_[0]; };
$watch->{'state'} = 'foo';
like($msg, qr/read-only element: state/,
'watch STORE(): read-only state element');
}
$watch->{'timeout'} = 100;
is($watch->{'timeout'}, 100,
'watch STORE(): updated timeout');
$attr->STORE('timeout', 200);
is($watch->{'timeout'}, 200,
'watch STORE(): updated timeout using inner hash');
## EXISTS()
eval {
my $val = $copy_watch->EXISTS('version');
};
like($@, qr/invalid handle/,
'watch EXISTS(): invalid watch handle');
ok(!exists($watch->{'foo'}),
'exists(): invalid element of watch handle');
ok(exists($watch->{'timeout'}),
'exists(): timeout');
ok(exists($watch->{'event'}),
'exists(): event');
ok(exists($watch->{'state'}),
'exists(): state');
ok($attr->EXISTS('timeout'),
'watch EXISTS(): timeout using inner watch hash');
## DELETE(), CLEAR()
{
my $msg;
$SIG{'__WARN__'} = sub { $msg = $_[0]; };
delete($watch->{'version'});
like($msg,
qr/deleting elements from hashes of class Net::ZooKeeper::Watch not supported/,
'delete(): deleting watch hash elements not supported');
}
{
my $msg;
$SIG{'__WARN__'} = sub { $msg = $_[0]; };
$watch->DELETE({'version'});
like($msg,
qr/deleting elements from hashes of class Net::ZooKeeper::Watch not supported/,
'watch DELETE(): deleting watch hash elements not supported');
}
{
my $msg;
$SIG{'__WARN__'} = sub { $msg = $_[0]; };
%{$watch} = ();
like($msg, qr/clearing hashes of class Net::ZooKeeper::Watch not supported/,
'assign: clearing watch hashes not supported');
}
{
my $msg;
$SIG{'__WARN__'} = sub { $msg = $_[0]; };
$watch->CLEAR();
like($msg, qr/clearing hashes of class Net::ZooKeeper::Watch not supported/,
'watch CLEAR(): clearing watch hashes not supported');
}
}