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Diffstat (limited to 'chromium/testing/android/native_test_launcher.cc')
| -rw-r--r-- | chromium/testing/android/native_test_launcher.cc | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/chromium/testing/android/native_test_launcher.cc b/chromium/testing/android/native_test_launcher.cc new file mode 100644 index 00000000000..e39eb2bdccb --- /dev/null +++ b/chromium/testing/android/native_test_launcher.cc @@ -0,0 +1,202 @@ +// Copyright (c) 2012 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// This class sets up the environment for running the native tests inside an +// android application. It outputs (to a fifo) markers identifying the +// START/PASSED/CRASH of the test suite, FAILURE/SUCCESS of individual tests, +// etc. +// These markers are read by the test runner script to generate test results. +// It installs signal handlers to detect crashes. + +#include <android/log.h> +#include <signal.h> + +#include "base/android/base_jni_registrar.h" +#include "base/android/fifo_utils.h" +#include "base/android/jni_android.h" +#include "base/android/jni_string.h" +#include "base/android/scoped_java_ref.h" +#include "base/at_exit.h" +#include "base/base_switches.h" +#include "base/command_line.h" +#include "base/file_util.h" +#include "base/files/file_path.h" +#include "base/logging.h" +#include "base/strings/stringprintf.h" +#include "gtest/gtest.h" +#include "testing/android/native_test_util.h" +#include "testing/jni/ChromeNativeTestActivity_jni.h" + +using testing::native_test_util::ArgsToArgv; +using testing::native_test_util::ParseArgsFromCommandLineFile; +using testing::native_test_util::ScopedMainEntryLogger; + +// The main function of the program to be wrapped as a test apk. +extern int main(int argc, char** argv); + +namespace { + +// These two command line flags are supported for DumpRenderTree, which needs +// three fifos rather than a combined one: one for stderr, stdin and stdout. +const char kSeparateStderrFifo[] = "separate-stderr-fifo"; +const char kCreateStdinFifo[] = "create-stdin-fifo"; + +// The test runner script writes the command line file in +// "/data/local/tmp". +static const char kCommandLineFilePath[] = + "/data/local/tmp/chrome-native-tests-command-line"; + +const char kLogTag[] = "chromium"; +const char kCrashedMarker[] = "[ CRASHED ]\n"; + +// The list of signals which are considered to be crashes. +const int kExceptionSignals[] = { + SIGSEGV, SIGABRT, SIGFPE, SIGILL, SIGBUS, -1 +}; + +struct sigaction g_old_sa[NSIG]; + +// This function runs in a compromised context. It should not allocate memory. +void SignalHandler(int sig, siginfo_t* info, void* reserved) { + // Output the crash marker. + write(STDOUT_FILENO, kCrashedMarker, sizeof(kCrashedMarker)); + g_old_sa[sig].sa_sigaction(sig, info, reserved); +} + +// TODO(nileshagrawal): now that we're using FIFO, test scripts can detect EOF. +// Remove the signal handlers. +void InstallHandlers() { + struct sigaction sa; + memset(&sa, 0, sizeof(sa)); + + sa.sa_sigaction = SignalHandler; + sa.sa_flags = SA_SIGINFO; + + for (unsigned int i = 0; kExceptionSignals[i] != -1; ++i) { + sigaction(kExceptionSignals[i], &sa, &g_old_sa[kExceptionSignals[i]]); + } +} + +// Writes printf() style string to Android's logger where |priority| is one of +// the levels defined in <android/log.h>. +void AndroidLog(int priority, const char* format, ...) { + va_list args; + va_start(args, format); + __android_log_vprint(priority, kLogTag, format, args); + va_end(args); +} + +// Ensures that the fifo at |path| is created by deleting whatever is at |path| +// prior to (re)creating the fifo, otherwise logs the error and terminates the +// program. +void EnsureCreateFIFO(const base::FilePath& path) { + unlink(path.value().c_str()); + if (base::android::CreateFIFO(path, 0666)) + return; + + AndroidLog(ANDROID_LOG_ERROR, "Failed to create fifo %s: %s\n", + path.value().c_str(), strerror(errno)); + exit(EXIT_FAILURE); +} + +// Ensures that |stream| is redirected to |path|, otherwise logs the error and +// terminates the program. +void EnsureRedirectStream(FILE* stream, + const base::FilePath& path, + const char* mode) { + if (base::android::RedirectStream(stream, path, mode)) + return; + + AndroidLog(ANDROID_LOG_ERROR, "Failed to redirect stream to file: %s: %s\n", + path.value().c_str(), strerror(errno)); + exit(EXIT_FAILURE); +} + +} // namespace + +// This method is called on a separate java thread so that we won't trigger +// an ANR. +static void RunTests(JNIEnv* env, + jobject obj, + jstring jfiles_dir, + jobject app_context) { + base::AtExitManager exit_manager; + + // Command line initialized basically, will be fully initialized later. + static const char* const kInitialArgv[] = { "ChromeTestActivity" }; + CommandLine::Init(arraysize(kInitialArgv), kInitialArgv); + + // Set the application context in base. + base::android::ScopedJavaLocalRef<jobject> scoped_context( + env, env->NewLocalRef(app_context)); + base::android::InitApplicationContext(scoped_context); + base::android::RegisterJni(env); + + std::vector<std::string> args; + ParseArgsFromCommandLineFile(kCommandLineFilePath, &args); + + std::vector<char*> argv; + int argc = ArgsToArgv(args, &argv); + + // Fully initialize command line with arguments. + CommandLine::ForCurrentProcess()->AppendArguments( + CommandLine(argc, &argv[0]), false); + const CommandLine& command_line = *CommandLine::ForCurrentProcess(); + + base::FilePath files_dir( + base::android::ConvertJavaStringToUTF8(env, jfiles_dir)); + + // A few options, such "--gtest_list_tests", will just use printf directly + // Always redirect stdout to a known file. + base::FilePath fifo_path(files_dir.Append(base::FilePath("test.fifo"))); + EnsureCreateFIFO(fifo_path); + + base::FilePath stderr_fifo_path, stdin_fifo_path; + + // DumpRenderTree needs a separate fifo for the stderr output. For all + // other tests, insert stderr content to the same fifo we use for stdout. + if (command_line.HasSwitch(kSeparateStderrFifo)) { + stderr_fifo_path = files_dir.Append(base::FilePath("stderr.fifo")); + EnsureCreateFIFO(stderr_fifo_path); + } + + // DumpRenderTree uses stdin to receive input about which test to run. + if (command_line.HasSwitch(kCreateStdinFifo)) { + stdin_fifo_path = files_dir.Append(base::FilePath("stdin.fifo")); + EnsureCreateFIFO(stdin_fifo_path); + } + + // Only redirect the streams after all fifos have been created. + EnsureRedirectStream(stdout, fifo_path, "w"); + if (!stdin_fifo_path.empty()) + EnsureRedirectStream(stdin, stdin_fifo_path, "r"); + if (!stderr_fifo_path.empty()) + EnsureRedirectStream(stderr, stderr_fifo_path, "w"); + else + dup2(STDOUT_FILENO, STDERR_FILENO); + + if (command_line.HasSwitch(switches::kWaitForDebugger)) { + AndroidLog(ANDROID_LOG_VERBOSE, + "Native test waiting for GDB because flag %s was supplied", + switches::kWaitForDebugger); + base::debug::WaitForDebugger(24 * 60 * 60, false); + } + + ScopedMainEntryLogger scoped_main_entry_logger; + main(argc, &argv[0]); +} + +// This is called by the VM when the shared library is first loaded. +JNI_EXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) { + // Install signal handlers to detect crashes. + InstallHandlers(); + + base::android::InitVM(vm); + JNIEnv* env = base::android::AttachCurrentThread(); + if (!RegisterNativesImpl(env)) { + return -1; + } + + return JNI_VERSION_1_4; +} |