Vertx unit-testing (vertx-unit) using configuration from spring-boot application.properties file

[Rimon Ashkenazy]

Hi, all.

I'm running Vertx (3.3.2) in a spring-boot application.

I wanted to write some unit and integration tests for my application, and followed the blogs/examples:

http://vertx.io/blog/unit-and-integration-tests/

https://github.com/vert-x3/vertx-examples/tree/master/unit-examples

here is an example (from http://vertx.io/blog/unit-and-integration-tests/) of deploying a RestServer Verticle:

@Before

public void setUp(TestContext context) throws IOException {

  vertx = Vertx.vertx();

  ServerSocket socket = new ServerSocket(0);

  port = socket.getLocalPort();

  socket.close();

  DeploymentOptions options = new DeploymentOptions()

      .setConfig(new JsonObject().put("http.port", port)

      );

  vertx.deployVerticle(MyFirstVerticle.class.getName(), options, context.asyncAssertSuccess());

}

However, my application Verticle (which is also a RestServer) gets its http.port from a spring-boot application.properties file. 

So, I actually cannot use the above example of setting the "http.port" via the verticle config.

(currently the test fails with exception of NULL pointer - since the values from application.properties are NULL)

Can you recommend how to effectively get and use the spring-boot application.properties values in the vertx-unit testing ? 

Thanks,

Rimon

[Thomas SEGISMONT]

Just to make sure I understand: you RestServer verticle gets its http/port injected right? And you're wondering how to deploy an existing instance of the verticle (which you get from Spring container)? In this case you have two options:

- deploy by instance instead of deploying by class name

- create a custom verticle factory which will retrieve the verticle instance from the spring container instead of creating a fresh one.

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[Rimon Ashkenazy]

Thank you for your quick answer.

1) I tried the first option - and the Test fails with NullPointerException in deploying the verticle (before this change, when deploying the class name - the verticle was deployed, but the Vaules from application.properties were all null).

2) I didn't quite understand option 2. Could you please elaborate how to create this factory ? and how to use it ?

Thanks.

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[Thomas SEGISMONT]

2016-08-30 15:19 GMT+02:00 Rimon Ashkenazy <rimo...@gmail.com>:

Thank you for your quick answer.

1) I tried the first option - and the Test fails with NullPointerException in deploying the verticle (before this change, when deploying the class name - the verticle was deployed, but the Vaules from application.properties were all null).

I can't comment on the NPE without more context (code and stack trace).

 

2) I didn't quite understand option 2. Could you please elaborate how to create this factory ? and how to use it ?

Create your own io.vertx.core.spi.VerticleFactory, register your test resources META-INF/services folder. Your own VF would retrieve a verticle instance from the spring container OR, in test env, simply create a new instance of the class and manually inject values for test environment

 

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