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Issue 10938014: Android: uses a fifo rather than logcat for the test runner. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 8 years, 3 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // This class sets up the environment for running the native tests inside an 5 // This class sets up the environment for running the native tests inside an
6 // android application. It outputs (to logcat) markers identifying the 6 // android application. It outputs (to logcat) markers identifying the
7 // START/END/CRASH of the test suite, FAILURE/SUCCESS of individual tests etc. 7 // START/END/CRASH of the test suite, FAILURE/SUCCESS of individual tests etc.
nilesh 2012/09/18 15:18:02 I think this needs to be updated.
bulach 2012/09/19 08:43:42 Done.
8 // These markers are read by the test runner script to generate test results. 8 // These markers are read by the test runner script to generate test results.
9 // It injects an event listener in gtest to detect various test stages and 9 // It injects an event listener in gtest to detect various test stages and
10 // installs signal handlers to detect crashes. 10 // installs signal handlers to detect crashes.
11 11
12 #include <android/log.h> 12 #include <android/log.h>
13 #include <signal.h> 13 #include <signal.h>
14 #include <stdarg.h>
14 #include <stdio.h> 15 #include <stdio.h>
15 16
16 #include "base/android/base_jni_registrar.h" 17 #include "base/android/base_jni_registrar.h"
17 #include "base/android/jni_android.h" 18 #include "base/android/jni_android.h"
18 #include "base/android/jni_string.h" 19 #include "base/android/jni_string.h"
19 #include "base/android/locale_utils.h" 20 #include "base/android/locale_utils.h"
20 #include "base/android/path_utils.h" 21 #include "base/android/path_utils.h"
21 #include "base/android/scoped_java_ref.h" 22 #include "base/android/scoped_java_ref.h"
22 #include "base/at_exit.h" 23 #include "base/at_exit.h"
23 #include "base/base_switches.h" 24 #include "base/base_switches.h"
24 #include "base/command_line.h" 25 #include "base/command_line.h"
25 #include "base/file_path.h" 26 #include "base/file_path.h"
26 #include "base/file_util.h" 27 #include "base/file_util.h"
27 #include "base/logging.h" 28 #include "base/logging.h"
28 #include "base/stringprintf.h" 29 #include "base/stringprintf.h"
29 #include "base/string_tokenizer.h" 30 #include "base/string_tokenizer.h"
30 #include "base/string_util.h" 31 #include "base/string_util.h"
31 #include "gtest/gtest.h" 32 #include "gtest/gtest.h"
32 #include "testing/jni/ChromeNativeTestActivity_jni.h" 33 #include "testing/jni/ChromeNativeTestActivity_jni.h"
33 34
34 // The main function of the program to be wrapped as a test apk. 35 // The main function of the program to be wrapped as a test apk.
35 extern int main(int argc, char** argv); 36 extern int main(int argc, char** argv);
36 37
37 namespace { 38 namespace {
38 39
39 void log_write(int level, const char* msg) { 40 const char kLogTag[] = "chromium";
40 __android_log_write(level, "chromium", msg); 41 const char kCrashedMarker[] = "[ CRASHED ]\n";
42
43 void AndroidLogError(const char* format, ...) {
44 va_list args;
45 va_start(args, format);
46 __android_log_vprint(ANDROID_LOG_ERROR, kLogTag, format, args);
47 va_end(args);
41 } 48 }
42 49
43 // The list of signals which are considered to be crashes. 50 // The list of signals which are considered to be crashes.
44 const int kExceptionSignals[] = { 51 const int kExceptionSignals[] = {
45 SIGSEGV, SIGABRT, SIGFPE, SIGILL, SIGBUS, -1 52 SIGSEGV, SIGABRT, SIGFPE, SIGILL, SIGBUS, -1
46 }; 53 };
47 54
48 struct sigaction g_old_sa[NSIG]; 55 struct sigaction g_old_sa[NSIG];
49 56
50 // This function runs in a compromised context. It should not allocate memory. 57 // This function runs in a compromised context. It should not allocate memory.
nilesh 2012/09/18 15:18:02 Now that we have a FIFO, we can use EOF in test sc
bulach 2012/09/19 08:43:42 Done.
51 void SignalHandler(int sig, siginfo_t *info, void *reserved) 58 void SignalHandler(int sig, siginfo_t* info, void* reserved) {
52 {
53 // Output the crash marker. 59 // Output the crash marker.
54 log_write(ANDROID_LOG_ERROR, "[ CRASHED ]"); 60 write(STDOUT_FILENO, kCrashedMarker, sizeof(kCrashedMarker));
55 g_old_sa[sig].sa_sigaction(sig, info, reserved); 61 g_old_sa[sig].sa_sigaction(sig, info, reserved);
56 } 62 }
57 63
58 void InstallHandlers() { 64 void InstallHandlers() {
59 struct sigaction sa; 65 struct sigaction sa;
60 memset(&sa, 0, sizeof(sa)); 66 memset(&sa, 0, sizeof(sa));
61 67
62 sa.sa_sigaction = SignalHandler; 68 sa.sa_sigaction = SignalHandler;
63 sa.sa_flags = SA_SIGINFO; 69 sa.sa_flags = SA_SIGINFO;
64 70
(...skipping 31 matching lines...) Expand 10 before | Expand all | Expand 10 after
96 int argc = args.size(); 102 int argc = args.size();
97 103
98 argv->resize(argc + 1); 104 argv->resize(argc + 1);
99 for (int i = 0; i < argc; ++i) 105 for (int i = 0; i < argc; ++i)
100 (*argv)[i] = const_cast<char*>(args[i].c_str()); 106 (*argv)[i] = const_cast<char*>(args[i].c_str());
101 (*argv)[argc] = NULL; // argv must be NULL terminated. 107 (*argv)[argc] = NULL; // argv must be NULL terminated.
102 108
103 return argc; 109 return argc;
104 } 110 }
105 111
106 // As we are the native side of an Android app, we don't have any 'console', so 112 void CreateFIFO(const char* fifo_path) {
107 // gtest's standard output goes nowhere. 113 unlink(fifo_path);
108 // Instead, we inject an "EventListener" in gtest and then we print the results 114 if (mkfifo(fifo_path, 0666)) {
109 // using LOG, which goes to adb logcat. 115 AndroidLogError("Failed to create fifo %s: %s\n",
110 class AndroidLogPrinter : public ::testing::EmptyTestEventListener { 116 fifo_path, strerror(errno));
111 public: 117 exit(EXIT_FAILURE);
112 void Init(int* argc, char** argv); 118 }
113
114 // EmptyTestEventListener
115 virtual void OnTestProgramStart(
116 const ::testing::UnitTest& unit_test) OVERRIDE;
117 virtual void OnTestStart(const ::testing::TestInfo& test_info) OVERRIDE;
118 virtual void OnTestPartResult(
119 const ::testing::TestPartResult& test_part_result) OVERRIDE;
120 virtual void OnTestEnd(const ::testing::TestInfo& test_info) OVERRIDE;
121 virtual void OnTestProgramEnd(const ::testing::UnitTest& unit_test) OVERRIDE;
122 };
123
124 void AndroidLogPrinter::Init(int* argc, char** argv) {
125 // InitGoogleTest must be called befure we add ourselves as a listener.
126 ::testing::InitGoogleTest(argc, argv);
127 ::testing::TestEventListeners& listeners =
128 ::testing::UnitTest::GetInstance()->listeners();
129 // Adds a listener to the end. Google Test takes the ownership.
130 listeners.Append(this);
131 } 119 }
132 120
133 void AndroidLogPrinter::OnTestProgramStart( 121 void Redirect(FILE* stream, const char* path, const char* mode) {
134 const ::testing::UnitTest& unit_test) { 122 if (!freopen(path, mode, stream)) {
135 std::string msg = StringPrintf("[ START ] %d", 123 AndroidLogError("Failed to redirect stream to file: %s: %s\n",
136 unit_test.test_to_run_count()); 124 path, strerror(errno));
137 log_write(ANDROID_LOG_ERROR, msg.c_str()); 125 exit(EXIT_FAILURE);
126 }
138 } 127 }
139 128
140 void AndroidLogPrinter::OnTestStart(const ::testing::TestInfo& test_info) { 129 class ScopedMainEntryLogger {
141 std::string msg = StringPrintf("[ RUN ] %s.%s", 130 public:
142 test_info.test_case_name(), test_info.name()); 131 ScopedMainEntryLogger() {
143 log_write(ANDROID_LOG_ERROR, msg.c_str()); 132 printf(">>ScopedMainEntryLogger\n");
144 } 133 }
145 134
146 void AndroidLogPrinter::OnTestPartResult( 135 ~ScopedMainEntryLogger() {
147 const ::testing::TestPartResult& test_part_result) { 136 printf("<<ScopedMainEntryLogger\n");
148 std::string msg = StringPrintf( 137 fflush(stdout);
149 "%s in %s:%d\n%s\n", 138 fflush(stderr);
150 test_part_result.failed() ? "*** Failure" : "Success", 139 }
151 test_part_result.file_name(), 140 };
152 test_part_result.line_number(),
153 test_part_result.summary());
154 log_write(ANDROID_LOG_ERROR, msg.c_str());
155 }
156
157 void AndroidLogPrinter::OnTestEnd(const ::testing::TestInfo& test_info) {
158 std::string msg = StringPrintf("%s %s.%s",
159 test_info.result()->Failed() ? "[ FAILED ]" : "[ OK ]",
160 test_info.test_case_name(), test_info.name());
161 log_write(ANDROID_LOG_ERROR, msg.c_str());
162 }
163
164 void AndroidLogPrinter::OnTestProgramEnd(
165 const ::testing::UnitTest& unit_test) {
166 std::string msg = StringPrintf("[ END ] %d",
167 unit_test.successful_test_count());
168 log_write(ANDROID_LOG_ERROR, msg.c_str());
169 }
170 141
171 } // namespace 142 } // namespace
172 143
173 // This method is called on a separate java thread so that we won't trigger 144 // This method is called on a separate java thread so that we won't trigger
174 // an ANR. 145 // an ANR.
175 static void RunTests(JNIEnv* env, 146 static void RunTests(JNIEnv* env,
176 jobject obj, 147 jobject obj,
177 jstring jfiles_dir, 148 jstring jfiles_dir,
178 jobject app_context) { 149 jobject app_context) {
179 base::AtExitManager exit_manager; 150 base::AtExitManager exit_manager;
180 151
181 // Command line initialized basically, will be fully initialized later. 152 // Command line initialized basically, will be fully initialized later.
182 static const char* const kInitialArgv[] = { "ChromeTestActivity" }; 153 static const char* const kInitialArgv[] = { "ChromeTestActivity" };
183 CommandLine::Init(arraysize(kInitialArgv), kInitialArgv); 154 CommandLine::Init(arraysize(kInitialArgv), kInitialArgv);
184 155
185 // Set the application context in base. 156 // Set the application context in base.
186 base::android::ScopedJavaLocalRef<jobject> scoped_context( 157 base::android::ScopedJavaLocalRef<jobject> scoped_context(
187 env, env->NewLocalRef(app_context)); 158 env, env->NewLocalRef(app_context));
188 base::android::InitApplicationContext(scoped_context); 159 base::android::InitApplicationContext(scoped_context);
189 base::android::RegisterJni(env); 160 base::android::RegisterJni(env);
190 161
191 FilePath files_dir(base::android::ConvertJavaStringToUTF8(env, jfiles_dir)); 162 FilePath files_dir(base::android::ConvertJavaStringToUTF8(env, jfiles_dir));
192 // A few options, such "--gtest_list_tests", will just use printf directly 163 // A few options, such "--gtest_list_tests", will just use printf directly
193 // and won't use the "AndroidLogPrinter". Redirect stdout to a known file. 164 // Redirect stdout and stderr to a known file.
194 FilePath stdout_path(files_dir.Append(FilePath("stdout.txt"))); 165 FilePath fifo_path(files_dir.Append(FilePath("test.fifo")));
195 freopen(stdout_path.value().c_str(), "w", stdout); 166 CreateFIFO(fifo_path.value().c_str());
167 Redirect(stdout, fifo_path.value().c_str(), "w");
168 Redirect(stderr, fifo_path.value().c_str(), "w");
196 169
197 std::vector<std::string> args; 170 std::vector<std::string> args;
198 ParseArgsFromCommandLineFile(&args); 171 ParseArgsFromCommandLineFile(&args);
199 172
200 // We need to pass in a non-const char**. 173 // We need to pass in a non-const char**.
201 std::vector<char*> argv; 174 std::vector<char*> argv;
202 int argc = ArgsToArgv(args, &argv); 175 int argc = ArgsToArgv(args, &argv);
203 176
204 // This object is owned by gtest.
205 AndroidLogPrinter* log = new AndroidLogPrinter();
206 log->Init(&argc, &argv[0]);
207
208 // Fully initialize command line with arguments. 177 // Fully initialize command line with arguments.
209 CommandLine::ForCurrentProcess()->AppendArguments( 178 CommandLine::ForCurrentProcess()->AppendArguments(
210 CommandLine(argc, &argv[0]), false); 179 CommandLine(argc, &argv[0]), false);
211 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); 180 const CommandLine& command_line = *CommandLine::ForCurrentProcess();
212 if (command_line.HasSwitch(switches::kWaitForDebugger)) { 181 if (command_line.HasSwitch(switches::kWaitForDebugger)) {
213 std::string msg = StringPrintf("Native test waiting for GDB because " 182 std::string msg = StringPrintf("Native test waiting for GDB because "
214 "flag %s was supplied", 183 "flag %s was supplied",
215 switches::kWaitForDebugger); 184 switches::kWaitForDebugger);
216 log_write(ANDROID_LOG_VERBOSE, msg.c_str()); 185 __android_log_write(ANDROID_LOG_VERBOSE, kLogTag, msg.c_str());
217 base::debug::WaitForDebugger(24 * 60 * 60, false); 186 base::debug::WaitForDebugger(24 * 60 * 60, false);
218 } 187 }
219 188
189 ScopedMainEntryLogger scoped_main_entry_logger;
220 main(argc, &argv[0]); 190 main(argc, &argv[0]);
221 } 191 }
222 192
223 // This is called by the VM when the shared library is first loaded. 193 // This is called by the VM when the shared library is first loaded.
224 JNI_EXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) { 194 JNI_EXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
225 // Install signal handlers to detect crashes. 195 // Install signal handlers to detect crashes.
226 InstallHandlers(); 196 InstallHandlers();
227 197
228 base::android::InitVM(vm); 198 base::android::InitVM(vm);
229 JNIEnv* env = base::android::AttachCurrentThread(); 199 JNIEnv* env = base::android::AttachCurrentThread();
230 if (!RegisterNativesImpl(env)) { 200 if (!RegisterNativesImpl(env)) {
231 return -1; 201 return -1;
232 } 202 }
233 203
234 return JNI_VERSION_1_4; 204 return JNI_VERSION_1_4;
235 } 205 }
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