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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2019 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 utils;
import static org.junit.jupiter.api.Assertions.fail;
import static org.mockito.Mockito.RETURNS_DEEP_STUBS;
import static org.mockito.Mockito.mock;
import com.google.gson.Gson;
import io.undertow.server.HttpServerExchange;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.HashMap;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.onap.dcaegen2.services.pmmapper.model.Event;
import org.onap.dcaegen2.services.pmmapper.model.EventMetadata;
import org.onap.dcaegen2.services.pmmapper.model.MeasCollecFile;
public class EventUtils {
/**
* Reads contents of files inside the eventBodyDirectory, combines contents with metadata to make an Event Object.
* Fails test in the event of failure to read a file.
* @param eventBodyDirectory Path to directory with event body files.
* @param metadataPath Path to file with metadata object.
* @return List of Events containing the body as acquired from files inside eventBodyDirectory.
* @throws IOException in the event it fails to read from the files.
*/
public static List<Event> eventsFromDirectory(Path eventBodyDirectory, Path metadataPath) throws IOException {
EventMetadata eventMetadata = new Gson().fromJson(fileContentsToString(metadataPath), EventMetadata.class);
List<String> eventFiles = FileUtils.getFilesFromDirectory(eventBodyDirectory);
return eventFiles.stream()
.map(contents -> EventUtils.makeMockEvent(contents, eventMetadata))
.collect(Collectors.toList());
}
/**
* reads contents of file into a string.
* fails a tests in the event failure occurs.
* @param path path to file.
* @return string containing files contents
*/
public static String fileContentsToString(Path path) {
try {
return new String(Files.readAllBytes(path));
} catch (IOException exception) {
fail("IOException occurred while generating events.");
}
return null;
}
/**
* Makes an event with a mock http server exchange, empty mdc and publish identity
* @param body body for the event.
* @param eventMetadata metadata for the event.
* @return event with mock HttpServerExchange
*/
public static Event makeMockEvent(String body, EventMetadata eventMetadata) {
Event event = new Event(mock(HttpServerExchange.class, RETURNS_DEEP_STUBS), body, eventMetadata, new HashMap<>(), "");
event.setMeasCollecFile(new MeasCollecFile());
return event;
}
/**
* Makes an event with a mock http server exchange and empty mdc
* @param body body for the event.
* @param eventMetadata metadata for the event.
* @return event with mock HttpServerExchange
*/
public static Event makeMockEvent(String body, EventMetadata eventMetadata, String publishIdentity) {
HttpServerExchange mockHttpServerExchange = mock(HttpServerExchange.class, RETURNS_DEEP_STUBS);
return new Event(mockHttpServerExchange, body, eventMetadata, new HashMap<>(), publishIdentity);
}
}
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