Doctrine\MongoDB\Tests\Query\QueryTest::testWithReadPreference PHP Method

    public function testWithReadPreference()
    {
        $collection = $this->getMockCollection();
        $collection->expects($this->at(0))->method('getReadPreference')->will($this->returnValue(['type' => 'primary']));
        $collection->expects($this->at(1))->method('setReadPreference')->with('secondary', [['dc' => 'east']]);
        $collection->expects($this->at(2))->method('count')->with(['foo' => 'bar'])->will($this->returnValue(100));
        $collection->expects($this->at(3))->method('setReadPreference')->with('primary');
        $queryArray = ['type' => Query::TYPE_COUNT, 'query' => ['foo' => 'bar'], 'readPreference' => 'secondary', 'readPreferenceTags' => [['dc' => 'east']]];
        $query = new Query($collection, $queryArray, []);
        $this->assertEquals(100, $query->execute());
    }