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
206
207
208
209
210
211
212
|
/*
* Copyright (C) 2008 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 android.test;
import java.io.File;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.List;
import com.android.internal.util.Predicate;
import com.android.internal.util.Predicates;
import dalvik.annotation.BrokenTest;
import dalvik.annotation.SideEffect;
import junit.framework.AssertionFailedError;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestListener;
import android.os.Bundle;
import android.test.suitebuilder.TestMethod;
import android.test.suitebuilder.annotation.HasAnnotation;
import android.util.Log;
/**
* This test runner extends the default InstrumentationTestRunner. It overrides
* the {@code onCreate(Bundle)} method and sets the system properties necessary
* for many core tests to run. This is needed because there are some core tests
* that need writing access to the file system. We also need to set the harness
* Thread's context ClassLoader. Otherwise some classes and resources will not
* be found. Finally, we add a means to free memory allocated by a TestCase
* after its execution.
*
* @hide
*/
public class InstrumentationCoreTestRunner extends InstrumentationTestRunner {
/**
* Convenience definition of our log tag.
*/
private static final String TAG = "InstrumentationCoreTestRunner";
/**
* True if (and only if) we are running in single-test mode (as opposed to
* batch mode).
*/
private boolean singleTest = false;
@Override
public void onCreate(Bundle arguments) {
// We might want to move this to /sdcard, if is is mounted/writable.
File cacheDir = getTargetContext().getCacheDir();
// Set some properties that the core tests absolutely need.
System.setProperty("user.language", "en");
System.setProperty("user.region", "US");
System.setProperty("java.home", cacheDir.getAbsolutePath());
System.setProperty("user.home", cacheDir.getAbsolutePath());
System.setProperty("java.io.tmpdir", cacheDir.getAbsolutePath());
System.setProperty("javax.net.ssl.trustStore",
"/etc/security/cacerts.bks");
if (arguments != null) {
String classArg = arguments.getString(ARGUMENT_TEST_CLASS);
singleTest = classArg != null && classArg.contains("#");
}
super.onCreate(arguments);
}
@Override
protected AndroidTestRunner getAndroidTestRunner() {
AndroidTestRunner runner = super.getAndroidTestRunner();
runner.addTestListener(new TestListener() {
/**
* The last test class we executed code from.
*/
private Class<?> lastClass;
/**
* The minimum time we expect a test to take.
*/
private static final int MINIMUM_TIME = 100;
/**
* The start time of our current test in System.currentTimeMillis().
*/
private long startTime;
public void startTest(Test test) {
if (test.getClass() != lastClass) {
lastClass = test.getClass();
printMemory(test.getClass());
}
Thread.currentThread().setContextClassLoader(
test.getClass().getClassLoader());
startTime = System.currentTimeMillis();
}
public void endTest(Test test) {
if (test instanceof TestCase) {
cleanup((TestCase)test);
/*
* Make sure all tests take at least MINIMUM_TIME to
* complete. If they don't, we wait a bit. The Cupcake
* Binder can't handle too many operations in a very
* short time, which causes headache for the CTS.
*/
long timeTaken = System.currentTimeMillis() - startTime;
if (timeTaken < MINIMUM_TIME) {
try {
Thread.sleep(MINIMUM_TIME - timeTaken);
} catch (InterruptedException ignored) {
// We don't care.
}
}
}
}
public void addError(Test test, Throwable t) {
// This space intentionally left blank.
}
public void addFailure(Test test, AssertionFailedError t) {
// This space intentionally left blank.
}
/**
* Dumps some memory info.
*/
private void printMemory(Class<? extends Test> testClass) {
Runtime runtime = Runtime.getRuntime();
long total = runtime.totalMemory();
long free = runtime.freeMemory();
long used = total - free;
Log.d(TAG, "Total memory : " + total);
Log.d(TAG, "Used memory : " + used);
Log.d(TAG, "Free memory : " + free);
Log.d(TAG, "Now executing : " + testClass.getName());
}
/**
* Nulls all non-static reference fields in the given test class.
* This method helps us with those test classes that don't have an
* explicit tearDown() method. Normally the garbage collector should
* take care of everything, but since JUnit keeps references to all
* test cases, a little help might be a good idea.
*/
private void cleanup(TestCase test) {
Class<?> clazz = test.getClass();
while (clazz != TestCase.class) {
Field[] fields = clazz.getDeclaredFields();
for (int i = 0; i < fields.length; i++) {
Field f = fields[i];
if (!f.getType().isPrimitive() &&
!Modifier.isStatic(f.getModifiers())) {
try {
f.setAccessible(true);
f.set(test, null);
} catch (Exception ignored) {
// Nothing we can do about it.
}
}
}
clazz = clazz.getSuperclass();
}
}
});
return runner;
}
@Override
List<Predicate<TestMethod>> getBuilderRequirements() {
List<Predicate<TestMethod>> builderRequirements =
super.getBuilderRequirements();
Predicate<TestMethod> brokenTestPredicate =
Predicates.not(new HasAnnotation(BrokenTest.class));
builderRequirements.add(brokenTestPredicate);
if (!singleTest) {
Predicate<TestMethod> sideEffectPredicate =
Predicates.not(new HasAnnotation(SideEffect.class));
builderRequirements.add(sideEffectPredicate);
}
return builderRequirements;
}
}
|