Mongolid\Cursor\CursorTest::testShouldGetFirstWhenEmpty PHP Метод

    public function testShouldGetFirstWhenEmpty()
    {
        // Arrange
        $collection = m::mock(Collection::class);
        $driverCursor = m::mock(IteratorIterator::class);
        $cursor = $this->getCursor(null, $collection, 'find', [[]], $driverCursor);
        // Act
        $driverCursor->shouldReceive('rewind')->once();
        $driverCursor->shouldReceive('current')->once()->andReturn(null);
        // Assert
        $result = $cursor->first();
        $this->assertNull($result);
    }