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# Copyright 2013 - present MongoDB, Inc.
#
# Licensed 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 strict;
use warnings;
use Test::More 0.96;
use Test::Fatal;
use MongoDB;
use Tie::IxHash;
use lib "t/lib";
use MongoDBTest
qw/skip_unless_mongod build_client get_test_db server_type server_version/;
skip_unless_mongod();
my $conn = build_client();
my $testdb = get_test_db($conn);
my $server_type = server_type($conn);
my $server_version = server_version($conn);
my $coll = $testdb->get_collection("test_coll");
my @modes = qw/primary secondary primaryPreferred secondaryPreferred nearest/;
subtest "read preference connection string" => sub {
my $conn2 = build_client(
host =>
"mongodb://localhost/?readPreference=primaryPreferred&readPreferenceTags=dc:ny,rack:1&readPreferenceTags=dc:ny&readPreferenceTags=",
);
my $rp = $conn2->read_preference;
is( $rp->mode, 'primaryPreferred', "mode from" );
is_deeply(
$rp->tag_sets,
[ { dc => 'ny', rack => 1 }, { dc => 'ny'}, {} ],
"tag set list"
);
};
subtest "read preference mode propagation" => sub {
for my $m (@modes) {
my $conn2 = build_client( read_pref_mode => $m );
my $db2 = $conn2->get_database( $testdb->name );
my $coll2 = $db2->get_collection("test_coll");
my $cur = $coll2->find( {} );
for my $thing ( $conn2, $db2, $coll2 ) {
is( $thing->read_preference->mode, $m, "$m set on " . ref($thing) );
}
is( $cur->_query->read_preference->mode, $m, "$m set on " . ref($cur) );
}
};
subtest "read preference staleness propagation" => sub {
my $max = 120;
my $conn2 = build_client( max_staleness_seconds => $max, read_pref_mode => 'nearest' );
my $db2 = $conn2->get_database( $testdb->name );
my $coll2 = $db2->get_collection("test_coll");
my $cur = $coll2->find( {} );
for my $thing ( $conn2, $db2, $coll2 ) {
is( $thing->read_preference->max_staleness_seconds, $max, "staleness set on " . ref($thing) );
}
is( $cur->_query->read_preference->max_staleness_seconds, $max, "staleness set on " . ref($cur) );
};
subtest "max staleness vs heartbeat frequency" => sub {
plan skip_all => "Needs v3.3.8+ replica set"
unless $server_type eq 'RSPrimary' && $server_version >= v3.3.8;
my $conn2 = build_client(
heartbeat_frequency_ms => 100_000,
max_staleness_seconds => 109,
read_pref_mode => 'nearest'
);
my $db2 = $conn2->get_database( $testdb->name );
my $coll2 = $db2->get_collection("test_coll");
like(
exception { $coll2->find({})->result; },
qr/max_staleness_seconds must be at least/,
"max staleness less than heartbeat_frequency_ms + 10 throws"
);
};
subtest "read preference on cursor" => sub {
for my $m ( @modes ) {
my $cur = $coll->find()->read_preference($m);
is( $cur->_query->read_preference->mode, $m, "$m set on " . ref($cur) );
}
};
subtest "error cases" => sub {
like(
exception { $conn->read_preference( MongoDB::ReadPreference->new ) },
qr/read-only/,
"read_preference on client is read-only"
);
like(
exception {
build_client(
read_pref_mode => 'primary',
read_pref_tag_sets => [ { use => 'production' } ],
)
},
qr/A tag set list is not allowed with read preference mode 'primary'/,
'primary cannot be combined with a tag set list'
);
};
subtest 'commands' => sub {
ok( my $conn2 = build_client( read_preference => 'secondary' ),
"read pref set to secondary without error" );
my $admin = $conn2->get_database('admin');
my $testdb_name = $testdb->name;
my $db = $conn2->get_database( $testdb_name );
my $temp_coll = $db->get_collection("foo");
$temp_coll->insert_one({});
is(
exception {
$admin->run_command(
[ renameCollection => "$testdb_name\.foo", to => "$testdb_name\.foofoo" ] );
},
undef,
"generic helper ran with primary read pref"
);
};
subtest "direct connection" => sub {
plan skip_all => "Can't test with authentication enabled"
if $conn->auth_mechanism ne 'NONE';
my $N = 20;
$coll->drop;
$coll->insert_one({'a' => $_}) for 1..$N;
for my $s ( $conn->_topology->all_servers ) {
next unless $s->is_readable;
my $addr = $s->address;
my $type = $s->type;
my $conn2 = build_client( host => $addr );
my $coll2 = $conn2->get_database( $testdb->name )->get_collection( $coll->name );
my $count;
is( exception { $count = $coll2->count_documents({}) }, undef, "count_documents on $addr ($type) succeeds" )
or diag explain $s;
}
};
done_testing;
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