Alcaeus\MongoDbAdapter\Tests\Mongo\MongoDBTest::testReadPreference PHP Méthode

    public function testReadPreference()
    {
        $database = $this->getDatabase();
        $this->assertSame(['type' => \MongoClient::RP_PRIMARY], $database->getReadPreference());
        $this->assertFalse($database->getSlaveOkay());
        $this->assertTrue($database->setReadPreference(\MongoClient::RP_SECONDARY, [['a' => 'b']]));
        $this->assertSame(['type' => \MongoClient::RP_SECONDARY, 'tagsets' => [['a' => 'b']]], $database->getReadPreference());
        $this->assertTrue($database->getSlaveOkay());
        $this->assertTrue($database->setSlaveOkay(true));
        $this->assertSame(['type' => \MongoClient::RP_SECONDARY_PREFERRED, 'tagsets' => [['a' => 'b']]], $database->getReadPreference());
        $this->assertTrue($database->setSlaveOkay(false));
        // Only test a subset since we don't keep tagsets around for RP_PRIMARY
        $this->assertArraySubset(['type' => \MongoClient::RP_PRIMARY], $database->getReadPreference());
    }