Examples with RetryLoop org.apache.stanbol.commons.testing.http.RetryLoop used on opensource projects

Example 1 with RetryLoop

use of org.apache.stanbol.commons.testing.http.RetryLoop in project stanbol by apache.

the class EntityhubTestBase method checkEntityhubReady.

@Before
public void checkEntityhubReady() throws Exception {
    // Check only once per test run
    if (entityhubReady) {
        return;
    }
    // If we timed out previously, don't waste time checking again
    if (timedOut) {
        fail("Timeout in previous check of the entityhub, cannot run tests");
    }
    // We'll retry the check for all engines to be ready
    // for up to ENGINES_TIMEOUT_SECONDS 
    final RetryLoop.Condition c = new RetryLoop.Condition() {

        @Override
        public boolean isTrue() throws Exception {
            /*  Check the entityhub and the referenced site dbpedia
                 */
            executor.execute(builder.buildGetRequest("/entityhub").withHeader("Accept", "text/html")).assertStatus(200).assertContentType("text/html");
            /*  List of expected referencedSites could also be made 
                 *  configurable via system properties, but we don't expect it 
                 *  to change often. 
                 */
            RequestExecutor re = executor.execute(builder.buildGetRequest("/entityhub/sites/referenced").withHeader("Accept", "application/json"));
            re.assertStatus(200);
            re.assertContentType("application/json");
            //check if all the required referenced sites are available
            for (String referencedSite : referencedSites) {
                if (referencedSite != null && !referencedSite.isEmpty()) {
                    re.assertContentRegexp(String.format("http:\\\\/\\\\/.*\\\\/entityhub\\\\/site\\\\/%s\\\\/", referencedSite));
                }
            }
            //this ensures that JSON and RDF serializer services are up and running
            for (String referencedSite : referencedSites) {
                re = executor.execute(builder.buildGetRequest("/entityhub/site/" + referencedSite).withHeader("Accept", //check JSON serializer
                "application/json"));
                re.assertStatus(200);
                re.assertContentType("application/json");
                re = executor.execute(builder.buildGetRequest("/entityhub/site/" + referencedSite).withHeader("Accept", //check RDF serializer
                "application/rdf+xml"));
                re.assertStatus(200);
                re.assertContentType("application/rdf+xml");
            }
            log.info("Entityhub services checked, all present");
            return true;
        }

        @Override
        public String getDescription() {
            return "Checking that teh Entityhub and the dbpedia ReferencedSite are ready";
        }
    };
    new RetryLoop(c, ENTITYHUB_TIMEOUT_SECONDS, WAIT_BETWEEN_TRIES_MSEC) {

        @Override
        protected void reportException(Throwable t) {
            log.info("Exception in RetryLoop, will retry for up to " + getRemainingTimeSeconds() + " seconds: " + t);
        }

        protected void onTimeout() {
            timedOut = true;
        }
    };
    entityhubReady = true;
}