Package org.glassfish.jersey.client.rx

Source Code of org.glassfish.jersey.client.rx.RxTest

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package org.glassfish.jersey.client.rx;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.ScheduledThreadPoolExecutor;

import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.Response;

import org.hamcrest.Matcher;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.not;
import static org.hamcrest.core.Is.is;

import jersey.repackaged.com.google.common.util.concurrent.ThreadFactoryBuilder;

/**
* @author Michal Gajdos (michal.gajdos at oracle.com)
*/
public class RxTest {

    private ExecutorService executor;

    @Before
    public void setUp() throws Exception {
        executor = new ScheduledThreadPoolExecutor(1, new ThreadFactoryBuilder().setNameFormat("jersey-rx-client-test-%d").build());
    }

    @After
    public void tearDown() throws Exception {
        executor.shutdown();
    }

    @Test
    public void testNewClient() throws Exception {
        final RxWebTarget<RxFutureInvoker> target = Rx.newClient(RxFutureInvoker.class)
                .target("http://jersey.java.net");

        testTarget(target, false);
    }

    @Test
    public void testNewClientExecutor() throws Exception {
        final RxWebTarget<RxFutureInvoker> target = Rx.newClient(RxFutureInvoker.class, executor)
                .target("http://jersey.java.net");

        testTarget(target, true);
    }

    @Test
    public void testFromClient() throws Exception {
        final Client client = ClientBuilder.newClient();
        final RxWebTarget<RxFutureInvoker> target = Rx.from(client, RxFutureInvoker.class)
                .target("http://jersey.java.net");

        testTarget(target, false);
    }

    @Test
    public void testFromClientExecutor() throws Exception {
        final Client client = ClientBuilder.newClient();
        final RxWebTarget<RxFutureInvoker> target = Rx.from(client, RxFutureInvoker.class, executor)
                .target("http://jersey.java.net");

        testTarget(target, true);
    }

    @Test
    public void testFromTarget() throws Exception {
        final WebTarget target = ClientBuilder.newClient().target("http://jersey.java.net");
        final RxWebTarget<RxFutureInvoker> rxTarget = Rx.from(target, RxFutureInvoker.class);

        testTarget(rxTarget, false);
    }

    @Test
    public void testFromTargetExecutor() throws Exception {
        final WebTarget target = ClientBuilder.newClient().target("http://jersey.java.net");
        final RxWebTarget<RxFutureInvoker> rxTarget = Rx.from(target, RxFutureInvoker.class, executor);

        testTarget(rxTarget, true);
    }

    private static void testTarget(final RxWebTarget<RxFutureInvoker> target,
                                   final boolean testDedicatedThread) throws Exception {
        // Sync.
        testResponse(target.request().get(), false);

        // Async.
        testResponse(target.request().async().get().get(), false);

        // Rx.
        testResponse(target.request().rx().get().get(), testDedicatedThread);
    }

    private static void testResponse(final Response response, final boolean testDedicatedThread) {
        assertThat(response.getStatus(), is(200));
        assertThat(response.readEntity(String.class), is("NO-ENTITY"));

        // Executor.
        final Matcher<String> matcher = containsString("jersey-rx-client-test");
        assertThat(response.getHeaderString("Test-Thread"), testDedicatedThread? matcher : not(matcher));

        // Properties.
        assertThat(response.getHeaderString("Test-Uri"), is("http://jersey.java.net"));
        assertThat(response.getHeaderString("Test-Method"), is("GET"));
    }
}
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