Alcaeus\MongoDbAdapter\Tests\Mongo\MongoGridFSFileTest::testWrite PHP Method

    public function testWrite()
    {
        $filename = '/tmp/test-mongo-grid-fs-file';
        $id = $this->prepareFile('abcd', ['filename' => $filename]);
        @unlink($filename);
        $file = $this->getGridFS()->findOne(['_id' => $id]);
        $this->assertInstanceOf(\MongoGridFSFile::class, $file);
        $file->write();
        $this->assertTrue(file_exists($filename));
        $this->assertSame('e2fc714c4727ee9395f324cd2e7f331f', md5_file($filename));
        unlink($filename);
    }