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
|
/*
* Copyright (C) 2012 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.support.test.internal.runner.listener;
import android.app.Instrumentation;
import android.os.Bundle;
import android.util.Log;
import java.io.File;
import java.io.PrintStream;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
/**
* A test {@link RunListener} that generates EMMA code coverage.
*/
public class CoverageListener extends InstrumentationRunListener {
private String mCoverageFilePath;
/**
* If included in the status or final bundle sent to an IInstrumentationWatcher, this key
* identifies the path to the generated code coverage file.
*/
private static final String REPORT_KEY_COVERAGE_PATH = "coverageFilePath";
// Default file name for code coverage
private static final String DEFAULT_COVERAGE_FILE_NAME = "coverage.ec";
private static final String LOG_TAG = null;
/**
* Creates a {@link CoverageListener).
*
* @param instr the {@link Instrumentation} that the test is running under
* @param customCoverageFilePath an optional user specified path for the coverage file
* If null, file will be generated in test app's file directory.
*/
public CoverageListener(Instrumentation instr, String customCoverageFilePath) {
super(instr);
mCoverageFilePath = customCoverageFilePath;
if (mCoverageFilePath == null) {
mCoverageFilePath = instr.getTargetContext().getFilesDir().getAbsolutePath() +
File.separator + DEFAULT_COVERAGE_FILE_NAME;
}
}
@Override
public void instrumentationRunFinished(PrintStream writer, Bundle results) {
generateCoverageReport(writer, results);
}
private void generateCoverageReport(PrintStream writer, Bundle results) {
// use reflection to call emma dump coverage method, to avoid
// always statically compiling against emma jar
java.io.File coverageFile = new java.io.File(mCoverageFilePath);
try {
Class<?> emmaRTClass = Class.forName("com.vladium.emma.rt.RT");
Method dumpCoverageMethod = emmaRTClass.getMethod("dumpCoverageData",
coverageFile.getClass(), boolean.class, boolean.class);
dumpCoverageMethod.invoke(null, coverageFile, false, false);
// output path to generated coverage file so it can be parsed by a test harness if
// needed
results.putString(REPORT_KEY_COVERAGE_PATH, mCoverageFilePath);
// also output a more user friendly msg
writer.format("\nGenerated code coverage data to %s",mCoverageFilePath);
} catch (ClassNotFoundException e) {
reportEmmaError(writer, "Is emma jar on classpath?", e);
} catch (SecurityException e) {
reportEmmaError(writer, e);
} catch (NoSuchMethodException e) {
reportEmmaError(writer, e);
} catch (IllegalArgumentException e) {
reportEmmaError(writer, e);
} catch (IllegalAccessException e) {
reportEmmaError(writer, e);
} catch (InvocationTargetException e) {
reportEmmaError(writer, e);
}
}
private void reportEmmaError(PrintStream writer, Exception e) {
reportEmmaError(writer, "", e);
}
private void reportEmmaError(PrintStream writer, String hint, Exception e) {
String msg = "Failed to generate emma coverage. " + hint;
Log.e(LOG_TAG, msg, e);
writer.format("\nError: %s", msg);
}
}
|
