causal-consistency-012.phpt
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causal-consistency-012.phpt
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	--TEST--
	Causal consistency: $clusterTime is sent in commands to supported deployments
	--DESCRIPTION--
	Causal consistency spec prose test #12
	https://github.com/mongodb/specifications/blob/master/source/causal-consistency/causal-consistency.rst#test-plan
	--SKIPIF--
	<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
	<?php skip_if_not_libmongoc_crypto(); ?>
	<?php skip_if_load_balanced(); /* TODO: CDRIVER-4174 */ ?>
	<?php skip_if_not_replica_set_or_sharded_cluster_with_replica_set(); ?>
	--FILE--
	<?php
	require_once __DIR__ . "/../utils/basic.inc";
	require_once __DIR__ . "/../utils/observer.php";

	(new CommandObserver)->observe(
	function() {
	$manager = create_test_manager();
	$session = $manager->startSession();

	$query = new MongoDB\Driver\Query([]);
	$manager->executeQuery(NS, $query, ['session' => $session]);
	$manager->executeQuery(NS, $query, ['session' => $session]);
	},
	function(stdClass $command)
	{
	$hasClusterTime = isset($command->{'$clusterTime'});
	printf("Command includes \$clusterTime: %s\n", ($hasClusterTime ? 'yes' : 'no'));
	}
	);

	?>
	===DONE===
	<?php exit(0); ?>
	--EXPECT--
	Command includes $clusterTime: yes
	Command includes $clusterTime: yes
	===DONE===