Package io.dropwizard.testing.junit

Class DropwizardClientRule

  • All Implemented Interfaces:
    org.junit.rules.TestRule
    public class DropwizardClientRule
extends org.junit.rules.ExternalResource
    Test your HTTP client code by writing a JAX-RS test double class and let this rule start and stop a Dropwizard application containing your doubles.

    Example: 

    
    @Path("/ping")
    public static class PingResource {
        @GET
        public String ping() {
            return "pong";
        }
    }

    @ClassRule
    public static DropwizardClientRule dropwizard = new DropwizardClientRule(new PingResource());

    @Test
    public void shouldPing() throws IOException {
        URL url = new URL(dropwizard.baseUri() + "/ping");
        String response = new BufferedReader(new InputStreamReader(url.openStream())).readLine();
        assertEquals("pong", response);
    }
    Of course, you'd use your http client, not URL.openStream().

    The DropwizardClientRule takes care of:

    • Creating a simple default configuration.
    • Creating a simplistic application.
    • Adding a dummy health check to the application to suppress the startup warning.
    • Adding your resources to the application.
    • Choosing a free random port number.
    • Starting the application.
    • Stopping the application.

    • Constructor Detail

      • DropwizardClientRule

        public DropwizardClientRule​(Object... resources)

    • Method Detail

      • baseUri

        public URI baseUri()

      • getObjectMapper

        public com.fasterxml.jackson.databind.ObjectMapper getObjectMapper()

      • getEnvironment

        public io.dropwizard.core.setup.Environment getEnvironment()

      • before

        protected void before()
               throws Throwable
        Overrides:
        before in class org.junit.rules.ExternalResource
        Throws:
        Throwable

      • after

        protected void after()
        Overrides:
        after in class org.junit.rules.ExternalResource