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/*
* ============LICENSE_START=======================================================
* PROJECT
* ================================================================================
* Copyright (C) 2020 Nokia. All rights reserved.s
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.dcae.restapi;
import com.google.common.reflect.TypeToken;
import com.google.gson.Gson;
import org.jetbrains.annotations.NotNull;
import org.json.JSONArray;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.ArgumentCaptor;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnitRunner;
import org.onap.dcae.ApplicationSettings;
import org.onap.dcae.common.EventSender;
import org.onap.dcae.common.EventTransformation;
import org.onap.dcae.common.HeaderUtils;
import org.slf4j.Logger;
import org.springframework.http.ResponseEntity;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import java.io.FileReader;
import java.io.IOException;
import java.lang.reflect.Type;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.List;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
@RunWith(MockitoJUnitRunner.class)
public class VesRestControllerTest {
private static final String EVENT_TRANSFORM_FILE_PATH = "/eventTransform.json";
@InjectMocks
VesRestController vesRestController;
@Mock
ApplicationSettings applicationSettings;
@Mock
Logger logger;
@Mock
EventSender eventSender;
@Mock
HeaderUtils headerUtils;
@Test
public void shouldReportThatApiVersionIsNotSupported() {
// given
when(applicationSettings.isVersionSupported("v20")).thenReturn(false);
MockHttpServletRequest request = givenMockHttpServletRequest();
// when
final ResponseEntity<String> event = vesRestController.event("", "v20", request);
// then
assertThat(event.getStatusCodeValue()).isEqualTo(400);
assertThat(event.getBody()).isEqualTo("API version v20 is not supported");
verify(eventSender, never()).send(any(JSONArray.class));
}
@Test
public void shouldTransformEventAccordingToEventTransformFile() throws IOException {
//given
configureEventTransformations();
configureHeadersForEventListener();
MockHttpServletRequest request = givenMockHttpServletRequest();
String validEvent = new String(
Files.readAllBytes(Paths.get(this.getClass().getResource("/ves7_valid.json").getPath()))
);
//when
final ResponseEntity<String> response = vesRestController.event(validEvent, "v7", request);
//then
assertThat(response.getStatusCodeValue()).isEqualTo(202);
assertThat(response.getBody()).isEqualTo("Accepted");
verifyThatTransformedEventWasSend(eventSender, validEvent);
}
private void configureEventTransformations() throws IOException {
final List<EventTransformation> eventTransformations = loadEventTransformations();
when(applicationSettings.isVersionSupported("v7")).thenReturn(true);
when(applicationSettings.eventTransformingEnabled()).thenReturn(true);
when(applicationSettings.getEventTransformations()).thenReturn(eventTransformations);
}
private void configureHeadersForEventListener() {
when(headerUtils.getRestApiIdentify(anyString())).thenReturn("eventListener");
when(headerUtils.getApiVerFilePath(anyString())).thenReturn(
this.getClass().getResource("/api_version_config.json").getPath()
);
}
private void verifyThatTransformedEventWasSend(EventSender eventSender, String eventBeforeTransformation) {
// event before transformation
assertThat(eventBeforeTransformation).contains("\"version\": \"4.0.1\"");
assertThat(eventBeforeTransformation).contains("\"faultFieldsVersion\": \"4.0\"");
ArgumentCaptor<JSONArray> argument = ArgumentCaptor.forClass(JSONArray.class);
verify(eventSender).send(argument.capture());
final String transformedEvent = argument.getValue().toString();
// event after transformation
assertThat(transformedEvent).contains("\"priority\":\"High\",\"version\":3,");
assertThat(transformedEvent).contains(",\"faultFieldsVersion\":3,\"specificProblem");
}
@NotNull
private MockHttpServletRequest givenMockHttpServletRequest() {
MockHttpServletRequest request = new MockHttpServletRequest();
request.setContentType("application/json");
RequestContextHolder.setRequestAttributes(new ServletRequestAttributes(request));
return request;
}
private List<EventTransformation> loadEventTransformations() throws IOException {
Type EVENT_TRANSFORM_LIST_TYPE = new TypeToken<List<EventTransformation>>() {
}.getType();
try (FileReader fr = new FileReader(this.getClass().getResource(EVENT_TRANSFORM_FILE_PATH).getPath())) {
return new Gson().fromJson(fr, EVENT_TRANSFORM_LIST_TYPE);
}
}
}
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