I am using DropWizardAppRule to spin up my application and would like to
stub the external dependencies using DropWizardClientRule.
My problem is that the port/baseUri of the stubbed endpoint is not known
until I actually have started the web server. This makes it hard to
conveniently combine these JUnit rules in an integration test.
I would like to do something similar to this:
(I think it would be neat to explicitly set the port, but it would be
equally viable to retrieve a randomly generated port from the Rule.
But that assumes the port is set at Rule instance creation, rather than
when the Rule starts (i.e when before() is invoked).
public class AppTest {
@Path("dummy")
public static class StubbedResource {
@POST
@Consumes(TEXT_PLAIN)
@Produces(TEXT_PLAIN)
public String stub(String request) {
return "some stubbed response";
}
}
private static final DropWizardClientRule STUB = new
DropWizardClientRule(9876, new StubbedResource());
private static final DropwizardAppRule<AppConfig> APP = new
DropwizardAppRule<>(
App.class,
resourceFilePath("config.yml"),
ConfigOverride.config("externalDependencyUrl",
"http://localhost:9876/dummy";)); // Override with actual stub port
@ClassRule
public static final TestRule RULE =
RuleChain.outerRule(EXTERNAL).around(APP);
private final Client client = ClientBuilder.newClient();
@Test
public void shouldInvokeService() throws IOException {
final Response response =
client.target(invoke(APP.getLocalPort())).request().post(text("Simon"));
assertThat(response, hasStatus(OK));
}
}
I am missing something? Or shouldn't this use case be possible using the
DropWizardAppRule and DropWizardClientRule?
Cheers,
/Patrik
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