1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/*-
* ============LICENSE_START=======================================================
* 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 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.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import junit.framework.TestCase;
import org.junit.jupiter.params.provider.Arguments;
import org.onap.dcaegen2.services.pmmapper.model.Event;
import org.onap.dcaegen2.services.pmmapper.model.EventMetadata;
import org.onap.dcaegen2.services.pmmapper.utils.MeasConverter;
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());
}
/**
* Create a List of Arguments containing an Event (Defaults to LTE events), and an expected outcome.
* Fails test in the event of failure to read a file.
* @param baseDirectory Directory containing multiple formats of events separated by a directory.
* @param nrQualifier String representing a unique part of the path that will exist only in the NR path.
* @param argCreator Callback to method that will generate the appropriate set of arguments for each test.
*/
public static List<Arguments> generateEventArguments(Path baseDirectory, String nrQualifier, ArgumentCreator argCreator ) {
List<Arguments> events = new ArrayList<>();
try (Stream<Path> paths = Files.list(baseDirectory)) {
paths.filter(Files::isDirectory).forEach(path -> {
String fileFormatType = path.toString().contains(nrQualifier) ? MeasConverter.NR_FILE_TYPE : MeasConverter.LTE_FILE_TYPE;
EventMetadata eventMetadata = new EventMetadata();
eventMetadata.setFileFormatType(fileFormatType);
events.addAll(getEventsArgument(path, eventMetadata, argCreator));
});
} catch (IOException e) {
TestCase.fail("IOException occurred while generating test data");
}
return events;
}
/**
* 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.setMeasurement(new MeasConverter().convert(event));
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);
}
private static List<Arguments> getEventsArgument(Path basePath, EventMetadata metadata, ArgumentCreator argCreator) {
List<Arguments> events = new ArrayList<>();
try (Stream<Path> paths = Files.list(basePath)) {
paths.filter(Files::isDirectory).forEach(path->{
events.add(argCreator.makeArgument(path, metadata));
});
} catch (IOException e) {
TestCase.fail("IOException occurred while generating test data");
}
return events;
}
}
|
