holmes-actions/src/test/java/org/onap/holmes/common/dmaap/PublisherTest.java

   1 /*
   2  * Copyright 2017 ZTE Corporation.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.onap.holmes.common.dmaap;
  17
  18 import static org.hamcrest.CoreMatchers.is;
  19 import static org.junit.Assert.assertThat;
  20
  21 import javax.ws.rs.client.Client;
  22 import javax.ws.rs.client.ClientBuilder;
  23 import javax.ws.rs.client.Entity;
  24 import javax.ws.rs.client.Invocation.Builder;
  25 import javax.ws.rs.client.WebTarget;
  26 import javax.ws.rs.core.MediaType;
  27 import javax.ws.rs.core.Response;
  28 import org.apache.http.HttpStatus;
  29 import org.easymock.EasyMock;
  30 import org.junit.Rule;
  31 import org.junit.Test;
  32 import org.junit.rules.ExpectedException;
  33 import org.junit.runner.RunWith;
  34 import org.onap.holmes.common.dmaap.entity.PolicyMsg;
  35 import org.onap.holmes.common.exception.CorrelationException;
  36 import org.powermock.api.easymock.PowerMock;
  37 import org.powermock.core.classloader.annotations.PrepareForTest;
  38 import org.powermock.modules.junit4.PowerMockRunner;
  39
  40 @PrepareForTest({Client.class, WebTarget.class, ClientBuilder.class, Response.class, Builder.class})
  41 @RunWith(PowerMockRunner.class)
  42 public class PublisherTest {
  43
  44     @Rule
  45     public ExpectedException thrown = ExpectedException.none();
  46
  47     private static final String URL = "http://localhost/dmaapTopic";
  48
  49     @Test
  50     public void publish_exception() throws Exception {
  51
  52         Publisher publisher = new Publisher();
  53         publisher.setUrl(URL);
  54
  55         thrown.expect(CorrelationException.class);
  56         thrown.expectMessage("Failed to connect to DCAE");
  57
  58         publisher.publish(new PolicyMsg());
  59     }
  60
  61     @Test
  62     public void publish_normal() throws Exception {
  63
  64         Publisher publisher = new Publisher();
  65         publisher.setUrl(URL);
  66
  67         WebTarget target = PowerMock.createMock(WebTarget.class);
  68         Client client = PowerMock.createMock(Client.class);
  69         Builder builder = PowerMock.createMock(Builder.class);
  70         Response response = PowerMock.createMock(Response.class);
  71         PowerMock.mockStatic(ClientBuilder.class);
  72
  73         EasyMock.expect(ClientBuilder.newClient()).andReturn(client);
  74         EasyMock.expect(client.target(publisher.getUrl())).andReturn(target);
  75         EasyMock.expect(target.request(MediaType.APPLICATION_JSON)).andReturn(builder);
  76         EasyMock.expect(builder.post(EasyMock.anyObject(Entity.class))).andReturn(response);
  77         EasyMock.expect(response.getStatus()).andReturn(HttpStatus.SC_OK);
  78
  79         PowerMock.replayAll();
  80
  81         assertThat(publisher.publish(new PolicyMsg()), is(true));
  82
  83         PowerMock.verifyAll();
  84     }
  85
  86 }