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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
/*
* Copyright (C) 2016 The Android Open Source Project
*
* 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.
*/
package com.android.tradefed.testtype;
import com.android.ddmlib.testrunner.ITestRunListener;
import com.android.ddmlib.testrunner.TestIdentifier;
import com.android.tradefed.device.CollectingOutputReceiver;
import com.android.tradefed.log.LogUtil.CLog;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
/**
* Parses the 'xml output mode' results of native tests using GTest that run from shell,
* and informs a ITestRunListener of the results.
*/
public class GTestXmlResultParser {
private final static String TEST_SUITE_TAG = "testsuite";
private final static String TEST_CASE_TAG = "testcase";
private final String mTestRunName;
private int mNumTestsRun = 0;
private int mNumTestsExpected = 0;
private long mTotalRunTime = 0;
private final Collection<ITestRunListener> mTestListeners;
/**
* Creates the GTestXmlResultParser.
*
* @param testRunName the test run name to provide to
* {@link ITestRunListener#testRunStarted(String, int)}
* @param listeners informed of test results as the tests are executing
*/
public GTestXmlResultParser(String testRunName, Collection<ITestRunListener> listeners) {
mTestRunName = testRunName;
mTestListeners = new ArrayList<>(listeners);
}
/**
* Creates the GTestXmlResultParser for a single listener.
*
* @param testRunName the test run name to provide to
* {@link ITestRunListener#testRunStarted(String, int)}
* @param listener informed of test results as the tests are executing
*/
public GTestXmlResultParser(String testRunName, ITestRunListener listener) {
mTestRunName = testRunName;
mTestListeners = new ArrayList<>();
if (listener != null) {
mTestListeners.add(listener);
}
}
/**
* Parse the xml results
* @param f {@link File} containing the outputed xml
* @param output The output collected from the execution run to complete the logs if necessary
*/
public void parseResult(File f, CollectingOutputReceiver output) {
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
Document result = null;
try {
DocumentBuilder db = dbf.newDocumentBuilder();
db.setErrorHandler(new DefaultHandler());
result = db.parse(f);
} catch (SAXException | IOException | ParserConfigurationException e) {
reportTestRunStarted();
for (ITestRunListener listener : mTestListeners) {
String errorMessage = String.format("Failed to get an xml output from tests,"
+ " it probably crashed");
if (output != null) {
errorMessage += "\nlogs:\n" + output.getOutput();
CLog.e(errorMessage);
}
listener.testRunFailed(errorMessage);
listener.testRunEnded(mTotalRunTime, Collections.emptyMap());
}
return;
}
Element rootNode = result.getDocumentElement();
// Parse root node: "testsuites" for generic infos.
getTestSuitesInfo(rootNode);
reportTestRunStarted();
// Iterate other "testsuite" for each test results.
NodeList testSuiteList = rootNode.getElementsByTagName(TEST_SUITE_TAG);
if (testSuiteList != null && testSuiteList.getLength() > 0) {
for (int i = 0; i < testSuiteList.getLength() ; i++) {
NodeList testcasesList =
((Element)testSuiteList.item(i)).getElementsByTagName(TEST_CASE_TAG);
// Iterate other the test cases in the test suite.
if (testcasesList != null && testcasesList.getLength() > 0) {
for (int j = 0 ; j < testcasesList.getLength(); j++) {
processTestResult((Element)testcasesList.item(j));
}
}
}
}
if (mNumTestsExpected > mNumTestsRun) {
for (ITestRunListener listener : mTestListeners) {
listener.testRunFailed(
String.format("Test run incomplete. Expected %d tests, received %d",
mNumTestsExpected, mNumTestsRun));
}
}
for (ITestRunListener listener : mTestListeners) {
listener.testRunEnded(mTotalRunTime, Collections.emptyMap());
}
}
private void getTestSuitesInfo(Element rootNode) {
mNumTestsExpected = Integer.parseInt(rootNode.getAttribute("tests"));
mTotalRunTime = (long) (Double.parseDouble(rootNode.getAttribute("time")) * 1000d);
}
/**
* Reports the start of a test run, and the total test count, if it has not been previously
* reported.
*/
private void reportTestRunStarted() {
for (ITestRunListener listener : mTestListeners) {
listener.testRunStarted(mTestRunName, mNumTestsExpected);
}
}
/**
* Processes and informs listener when we encounter a tag indicating that a test has started.
*
* @param testcase Raw log output of the form classname.testname, with an optional time (x ms)
*/
private void processTestResult(Element testcase) {
String classname = testcase.getAttribute("classname");
String testname = testcase.getAttribute("name");
String runtime = testcase.getAttribute("time");
ParsedTestInfo parsedResults = new ParsedTestInfo(classname, testname, runtime);
TestIdentifier testId = new TestIdentifier(parsedResults.mTestClassName,
parsedResults.mTestName);
mNumTestsRun++;
for (ITestRunListener listener : mTestListeners) {
listener.testStarted(testId);
}
// If there is a failure tag report failure
if (testcase.getElementsByTagName("failure").getLength() != 0) {
String trace = ((Element)testcase.getElementsByTagName("failure").item(0))
.getAttribute("message");
if (!trace.contains("Failed")) {
// For some reason, the alternative GTest format doesn't specify Failed in the
// trace and error doesn't show properly in reporter, so adding it here.
trace += "\nFailed";
}
for (ITestRunListener listener : mTestListeners) {
listener.testFailed(testId, trace);
}
}
Map<String, String> map = new HashMap<>();
map.put("runtime", parsedResults.mTestRunTime);
for (ITestRunListener listener : mTestListeners) {
listener.testEnded(testId, map);
}
}
/** Internal helper struct to store parsed test info. */
private static class ParsedTestInfo {
String mTestName = null;
String mTestClassName = null;
String mTestRunTime = null;
public ParsedTestInfo(String testName, String testClassName, String testRunTime) {
mTestName = testName;
mTestClassName = testClassName;
mTestRunTime = testRunTime;
}
}
}
|
