python unittests中的Neo4j ImpermanentDatabase [英] Neo4j ImpermanentDatabase in python unittests

问题描述

我正在尝试为将与Neo4j Graph数据库连接的python项目创建单元测试.

I am trying to create unit tests for a python project that will interface with a Neo4j Graph database.

当前，我正在实现嵌入式图形数据库，但是如果我选择将其部署到Web应用程序，则可能会迁移到REST接口. 我已经安装了嵌入式neo4j v1.9rc2 项目，该文件通过pip安装在虚拟环境.

Currently, I am implementing the embedded graph database, but will likely migrate to a REST interface if I choose to deploy this to a web application. I have intstalled v1.9rc2 of the embedded neo4j project, installed via pip on a virtual environment.

这里提到了Java类org.neo4j.test.TestGraphDatabaseFactory，

There are mentionings of a java class org.neo4j.test.TestGraphDatabaseFactory, here, which sounds perfect for what I have in mind. I am currently reading and writing to a database on file, which is ok, but I am having trouble properly cleaning up after ech test that doesn't include a call to shutil.rmtree ... or is that how it should be done?

另一种可能的方法是通过我的TestCase的setUp和tearDown方法为每个测试创建和关闭数据库.

Another possible method is to create and shutdown the database for each test, via the setUp and tearDown methods of my TestCase.

>>> import neo4j
>>> print neo4j.__version__
'1.9.c2'

推荐答案

最佳实践是使用setUp/tearDown为每个测试分别创建和关闭数据库-完全如上所述.

The best practice is to create and shutdown the database individually for each test using setUp/tearDown - exactly as you've mentioned.

旁注:1.9rc2已过时，请考虑升级到最新的稳定版，因为此后已修复了一些错误.

side note: 1.9rc2 is rather outdated, consider upgrading to latest stable since couple of bugs have been fixed since then.

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