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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2018 Ericsson. All rights reserved.
* Modifications Copyright (C) 2019-2020 Nordix Foundation.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.apex.plugins.event.carrier.restclient;
import static org.awaitility.Awaitility.await;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.util.concurrent.TimeUnit;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.Invocation.Builder;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.Response;
import org.junit.After;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;
import org.onap.policy.apex.service.engine.event.ApexEventException;
import org.onap.policy.apex.service.parameters.eventhandler.EventHandlerParameters;
import org.onap.policy.apex.service.parameters.eventhandler.EventHandlerPeeredMode;
/**
* This class tests the ApexRestClientConusmer class.
*
*/
public class ApexRestClientConusmerTest {
private final PrintStream stdout = System.out;
@Mock
private Client httpClientMock;
@Mock
private WebTarget targetMock;
@Mock
private Builder builderMock;
@Mock
private Response responseMock;
@After
public void after() {
System.setOut(stdout);
}
@Test
public void testApexRestClientConsumerErrors() throws ApexEventException {
MockitoAnnotations.initMocks(this);
ApexRestClientConsumer arcc = new ApexRestClientConsumer();
assertNotNull(arcc);
EventHandlerParameters consumerParameters = new EventHandlerParameters();
SupportApexEventReceiver incomingEventReceiver = new SupportApexEventReceiver();
try {
arcc.init("RestClientConsumer", consumerParameters, incomingEventReceiver);
fail("test should throw an exception here");
} catch (ApexEventException e) {
assertEquals(
"specified consumer properties are not applicable to REST client consumer (RestClientConsumer)",
e.getMessage());
}
RestClientCarrierTechnologyParameters rcctp = new RestClientCarrierTechnologyParameters();
consumerParameters.setCarrierTechnologyParameters(rcctp);
rcctp.setHttpMethod(RestClientCarrierTechnologyParameters.HttpMethod.DELETE);
try {
arcc.init("RestClientConsumer", consumerParameters, incomingEventReceiver);
assertEquals(RestClientCarrierTechnologyParameters.HttpMethod.GET, rcctp.getHttpMethod());
fail("test should throw an exception here");
} catch (ApexEventException e) {
assertEquals("specified HTTP method of \"DELETE\" is invalid, only HTTP method \"GET\" is supported "
+ "for event reception on REST client consumer (RestClientConsumer)", e.getMessage());
}
rcctp.setHttpMethod(null);
rcctp.setHttpCodeFilter("zzz");
arcc.init("RestClientConsumer", consumerParameters, incomingEventReceiver);
assertEquals(RestClientCarrierTechnologyParameters.HttpMethod.GET, rcctp.getHttpMethod());
assertEquals("RestClientConsumer", arcc.getName());
arcc.setPeeredReference(EventHandlerPeeredMode.SYNCHRONOUS, null);
assertEquals(null, arcc.getPeeredReference(EventHandlerPeeredMode.SYNCHRONOUS));
rcctp.setUrl("http://some.place.that.does.not/exist");
Mockito.doReturn(Response.Status.BAD_REQUEST.getStatusCode()).when(responseMock).getStatus();
Mockito.doReturn(responseMock).when(builderMock).get();
Mockito.doReturn(builderMock).when(targetMock).request("application/json");
Mockito.doReturn(targetMock).when(httpClientMock).target(rcctp.getUrl());
Mockito.doReturn(targetMock).when(httpClientMock).target(rcctp.getHttpCodeFilter());
arcc.setClient(httpClientMock);
// We have not set the URL, this test should not receive any events
arcc.start();
await().atMost(200, TimeUnit.MILLISECONDS).until(() -> incomingEventReceiver.getEventCount() == 0);
arcc.stop();
assertEquals(0, incomingEventReceiver.getEventCount());
Mockito.doReturn(Response.Status.OK.getStatusCode()).when(responseMock).getStatus();
// We have not set the URL, this test should not receive any events
arcc.start();
await().atMost(200, TimeUnit.MILLISECONDS).until(() -> incomingEventReceiver.getEventCount() == 0);
arcc.stop();
assertEquals(0, incomingEventReceiver.getEventCount());
}
@Test
public void testApexRestClientConsumerHttpError() throws ApexEventException {
MockitoAnnotations.initMocks(this);
ApexRestClientConsumer arcc = new ApexRestClientConsumer();
assertNotNull(arcc);
EventHandlerParameters consumerParameters = new EventHandlerParameters();
RestClientCarrierTechnologyParameters rcctp = new RestClientCarrierTechnologyParameters();
consumerParameters.setCarrierTechnologyParameters(rcctp);
rcctp.setUrl("http://some.place.that.does.not/exist");
rcctp.setHttpCodeFilter("[1-5][0][0-5]");
SupportApexEventReceiver incomingEventReceiver = new SupportApexEventReceiver();
arcc.init("RestClientConsumer", consumerParameters, incomingEventReceiver);
assertEquals(RestClientCarrierTechnologyParameters.HttpMethod.GET, rcctp.getHttpMethod());
assertEquals("[1-5][0][0-5]", rcctp.getHttpCodeFilter());
assertEquals("RestClientConsumer", arcc.getName());
arcc.setPeeredReference(EventHandlerPeeredMode.SYNCHRONOUS, null);
assertEquals(null, arcc.getPeeredReference(EventHandlerPeeredMode.SYNCHRONOUS));
Mockito.doReturn(Response.Status.BAD_REQUEST.getStatusCode()).when(responseMock).getStatus();
Mockito.doReturn(responseMock).when(builderMock).get();
Mockito.doReturn(builderMock).when(targetMock).request("application/json");
Mockito.doReturn(builderMock).when(builderMock).headers(Mockito.any());
Mockito.doReturn(targetMock).when(httpClientMock).target(rcctp.getUrl());
Mockito.doReturn(targetMock).when(httpClientMock).target(rcctp.getHttpCodeFilter());
arcc.setClient(httpClientMock);
ByteArrayOutputStream outContent = new ByteArrayOutputStream();
System.setOut(new PrintStream(outContent));
// We have not set the URL, this test should not receive any events
arcc.start();
await().atMost(200, TimeUnit.MILLISECONDS).until(() -> incomingEventReceiver.getEventCount() == 0);
arcc.stop();
assertEquals(0, incomingEventReceiver.getEventCount());
}
@Test
public void testApexRestClientConsumerJsonError() {
MockitoAnnotations.initMocks(this);
ApexRestClientConsumer arcc = new ApexRestClientConsumer();
assertNotNull(arcc);
EventHandlerParameters consumerParameters = new EventHandlerParameters();
SupportApexEventReceiver incomingEventReceiver = new SupportApexEventReceiver();
RestClientCarrierTechnologyParameters rcctp = new RestClientCarrierTechnologyParameters();
consumerParameters.setCarrierTechnologyParameters(rcctp);
rcctp.setHttpCodeFilter("[1-5][0][0-5]");
try {
arcc.init("RestClientConsumer", consumerParameters, incomingEventReceiver);
assertEquals(RestClientCarrierTechnologyParameters.HttpMethod.GET, rcctp.getHttpMethod());
assertEquals("RestClientConsumer", arcc.getName());
arcc.setPeeredReference(EventHandlerPeeredMode.SYNCHRONOUS, null);
assertEquals(null, arcc.getPeeredReference(EventHandlerPeeredMode.SYNCHRONOUS));
} catch (ApexEventException e) {
fail("test should not throw an exception");
}
rcctp.setUrl("http://some.place.that.does.not/exist");
Mockito.doReturn(Response.Status.OK.getStatusCode()).when(responseMock).getStatus();
Mockito.doReturn(responseMock).when(builderMock).get();
Mockito.doReturn(builderMock).when(targetMock).request("application/json");
Mockito.doReturn(builderMock).when(builderMock).headers(Mockito.any());
Mockito.doReturn(targetMock).when(httpClientMock).target(rcctp.getUrl());
Mockito.doReturn(targetMock).when(httpClientMock).target(rcctp.getHttpCodeFilter());
arcc.setClient(httpClientMock);
ByteArrayOutputStream outContent = new ByteArrayOutputStream();
System.setOut(new PrintStream(outContent));
// We have not set the URL, this test should not receive any events
arcc.start();
await().atMost(400, TimeUnit.MILLISECONDS).until(() -> outContent.toString()
.contains("received an empty event from URL \"http://some.place.that.does.not/exist\""));
arcc.stop();
assertEquals(0, incomingEventReceiver.getEventCount());
}
@Test
public void testApexRestClientConsumerJsonEmpty() throws ApexEventException {
MockitoAnnotations.initMocks(this);
ApexRestClientConsumer arcc = new ApexRestClientConsumer();
assertNotNull(arcc);
EventHandlerParameters consumerParameters = new EventHandlerParameters();
SupportApexEventReceiver incomingEventReceiver = new SupportApexEventReceiver();
RestClientCarrierTechnologyParameters rcctp = new RestClientCarrierTechnologyParameters();
consumerParameters.setCarrierTechnologyParameters(rcctp);
rcctp.setHttpCodeFilter("[1-5][0][0-5]");
arcc.init("RestClientConsumer", consumerParameters, incomingEventReceiver);
assertEquals(RestClientCarrierTechnologyParameters.HttpMethod.GET, rcctp.getHttpMethod());
assertEquals("RestClientConsumer", arcc.getName());
arcc.setPeeredReference(EventHandlerPeeredMode.SYNCHRONOUS, null);
assertEquals(null, arcc.getPeeredReference(EventHandlerPeeredMode.SYNCHRONOUS));
rcctp.setUrl("http://some.place.that.does.not/exist");
Mockito.doReturn(Response.Status.OK.getStatusCode()).when(responseMock).getStatus();
Mockito.doReturn("").when(responseMock).readEntity(String.class);
Mockito.doReturn(responseMock).when(builderMock).get();
Mockito.doReturn(builderMock).when(targetMock).request("application/json");
Mockito.doReturn(builderMock).when(builderMock).headers(Mockito.any());
Mockito.doReturn(targetMock).when(httpClientMock).target(rcctp.getUrl());
Mockito.doReturn(targetMock).when(httpClientMock).target(rcctp.getHttpCodeFilter());
arcc.setClient(httpClientMock);
ByteArrayOutputStream outContent = new ByteArrayOutputStream();
System.setOut(new PrintStream(outContent));
// We have not set the URL, this test should not receive any events
arcc.start();
await().atMost(200, TimeUnit.MILLISECONDS).until(() -> outContent.toString()
.contains("received an empty event from URL \"http://some.place.that.does.not/exist\""));
arcc.stop();
assertEquals(0, incomingEventReceiver.getEventCount());
final String outString = outContent.toString();
assertTrue(outString.contains("received an empty event from URL \"http://some.place.that.does.not/exist\""));
}
@Test
public void testApexRestClientConsumerJsonOk() throws ApexEventException {
MockitoAnnotations.initMocks(this);
ApexRestClientConsumer arcc = new ApexRestClientConsumer();
assertNotNull(arcc);
EventHandlerParameters consumerParameters = new EventHandlerParameters();
SupportApexEventReceiver incomingEventReceiver = new SupportApexEventReceiver();
RestClientCarrierTechnologyParameters rcctp = new RestClientCarrierTechnologyParameters();
consumerParameters.setCarrierTechnologyParameters(rcctp);
rcctp.setHttpCodeFilter("[1-5][0][0-5]");
arcc.init("RestClientConsumer", consumerParameters, incomingEventReceiver);
assertEquals(RestClientCarrierTechnologyParameters.HttpMethod.GET, rcctp.getHttpMethod());
assertEquals("RestClientConsumer", arcc.getName());
arcc.setPeeredReference(EventHandlerPeeredMode.SYNCHRONOUS, null);
assertEquals(null, arcc.getPeeredReference(EventHandlerPeeredMode.SYNCHRONOUS));
rcctp.setUrl("http://some.place.that.does.not/exist");
Mockito.doReturn(Response.Status.OK.getStatusCode()).when(responseMock).getStatus();
Mockito.doReturn("This is an event").when(responseMock).readEntity(String.class);
Mockito.doReturn(responseMock).when(builderMock).get();
Mockito.doReturn(builderMock).when(targetMock).request("application/json");
Mockito.doReturn(builderMock).when(builderMock).headers(Mockito.any());
Mockito.doReturn(targetMock).when(httpClientMock).target(rcctp.getUrl());
Mockito.doReturn(targetMock).when(httpClientMock).target(rcctp.getHttpCodeFilter());
arcc.setClient(httpClientMock);
// We have not set the URL, this test should not receive any events
arcc.start();
await().atMost(400, TimeUnit.MILLISECONDS)
.until(() -> incomingEventReceiver.getLastEvent().equals("This is an event"));
arcc.stop();
}
@Test
public void testApexRestClientConsumerInvalidStatusCode() throws ApexEventException {
MockitoAnnotations.initMocks(this);
ApexRestClientConsumer arcc = new ApexRestClientConsumer();
assertNotNull(arcc);
EventHandlerParameters consumerParameters = new EventHandlerParameters();
SupportApexEventReceiver incomingEventReceiver = new SupportApexEventReceiver();
RestClientCarrierTechnologyParameters rcctp = new RestClientCarrierTechnologyParameters();
consumerParameters.setCarrierTechnologyParameters(rcctp);
rcctp.setHttpCodeFilter("zzz");
arcc.init("RestClientConsumer", consumerParameters, incomingEventReceiver);
assertEquals(RestClientCarrierTechnologyParameters.HttpMethod.GET, rcctp.getHttpMethod());
assertEquals("RestClientConsumer", arcc.getName());
arcc.setPeeredReference(EventHandlerPeeredMode.SYNCHRONOUS, null);
assertEquals(null, arcc.getPeeredReference(EventHandlerPeeredMode.SYNCHRONOUS));
rcctp.setUrl("http://some.place.that.does.not/exist");
Mockito.doReturn(Response.Status.OK.getStatusCode()).when(responseMock).getStatus();
Mockito.doReturn("This is an event").when(responseMock).readEntity(String.class);
Mockito.doReturn(responseMock).when(builderMock).get();
Mockito.doReturn(builderMock).when(targetMock).request("application/json");
Mockito.doReturn(builderMock).when(builderMock).headers(Mockito.any());
Mockito.doReturn(targetMock).when(httpClientMock).target(rcctp.getUrl());
Mockito.doReturn(targetMock).when(httpClientMock).target(rcctp.getHttpCodeFilter());
arcc.setClient(httpClientMock);
ByteArrayOutputStream outContent = new ByteArrayOutputStream();
System.setOut(new PrintStream(outContent));
try {
// We have not set the URL, this test should not receive any events
arcc.start();
await().atMost(200, TimeUnit.MILLISECONDS).until(() -> incomingEventReceiver.getEventCount() == 0);
arcc.stop();
} catch (Exception e) {
// test invalid status code
assertEquals("received an invalid status code \"200\"", e.getMessage());
}
}
}
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