167 lines
7.2 KiB
C++
167 lines
7.2 KiB
C++
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <log/log.h>
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#include <private/android_logger.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <regex>
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#include <string>
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#include <android-base/logging.h>
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#include <android-base/macros.h>
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#include <android-base/stringprintf.h>
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#include <android-base/test_utils.h>
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#include <gtest/gtest.h>
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using android::base::InitLogging;
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using android::base::StderrLogger;
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using android::base::StringPrintf;
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static std::string MakeLogPattern(int priority, const char* tag, const char* message) {
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static const char log_characters[] = "XXVDIWEF";
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static_assert(arraysize(log_characters) - 1 == ANDROID_LOG_SILENT,
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"Mismatch in size of log_characters and values in android_LogPriority");
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priority = priority > ANDROID_LOG_SILENT ? ANDROID_LOG_FATAL : priority;
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char log_char = log_characters[priority];
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return StringPrintf("%s %c \\d+-\\d+ \\d+:\\d+:\\d+ \\s*\\d+ \\s*\\d+ %s", tag, log_char,
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message);
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}
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static void CheckMessage(bool expected, const std::string& output, int priority, const char* tag,
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const char* message) {
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std::regex message_regex(MakeLogPattern(priority, tag, message));
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EXPECT_EQ(expected, std::regex_search(output, message_regex)) << message;
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}
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static void GenerateLogContent() {
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__android_log_buf_print(LOG_ID_MAIN, ANDROID_LOG_VERBOSE, "tag", "verbose main");
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__android_log_buf_print(LOG_ID_MAIN, ANDROID_LOG_INFO, "tag", "info main");
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__android_log_buf_print(LOG_ID_MAIN, ANDROID_LOG_ERROR, "tag", "error main");
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__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_VERBOSE, "tag", "verbose radio");
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__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_INFO, "tag", "info radio");
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__android_log_buf_print(LOG_ID_RADIO, ANDROID_LOG_ERROR, "tag", "error radio");
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__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_VERBOSE, "tag", "verbose system");
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__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_INFO, "tag", "info system");
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__android_log_buf_print(LOG_ID_SYSTEM, ANDROID_LOG_ERROR, "tag", "error system");
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__android_log_buf_print(LOG_ID_CRASH, ANDROID_LOG_VERBOSE, "tag", "verbose crash");
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__android_log_buf_print(LOG_ID_CRASH, ANDROID_LOG_INFO, "tag", "info crash");
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__android_log_buf_print(LOG_ID_CRASH, ANDROID_LOG_ERROR, "tag", "error crash");
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}
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std::string GetPidString() {
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int pid = getpid();
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return StringPrintf("%5d", pid);
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}
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TEST(liblog, default_write) {
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CapturedStderr captured_stderr;
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InitLogging(nullptr, StderrLogger);
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GenerateLogContent();
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CheckMessage(false, captured_stderr.str(), ANDROID_LOG_VERBOSE, "tag", "verbose main");
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CheckMessage(true, captured_stderr.str(), ANDROID_LOG_INFO, "tag", "info main");
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CheckMessage(true, captured_stderr.str(), ANDROID_LOG_ERROR, "tag", "error main");
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CheckMessage(false, captured_stderr.str(), ANDROID_LOG_VERBOSE, "tag", "verbose radio");
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CheckMessage(true, captured_stderr.str(), ANDROID_LOG_INFO, "tag", "info radio");
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CheckMessage(true, captured_stderr.str(), ANDROID_LOG_ERROR, "tag", "error radio");
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CheckMessage(false, captured_stderr.str(), ANDROID_LOG_VERBOSE, "tag", "verbose system");
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CheckMessage(true, captured_stderr.str(), ANDROID_LOG_INFO, "tag", "info system");
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CheckMessage(true, captured_stderr.str(), ANDROID_LOG_ERROR, "tag", "error system");
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CheckMessage(false, captured_stderr.str(), ANDROID_LOG_VERBOSE, "tag", "verbose crash");
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CheckMessage(true, captured_stderr.str(), ANDROID_LOG_INFO, "tag", "info crash");
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CheckMessage(true, captured_stderr.str(), ANDROID_LOG_ERROR, "tag", "error crash");
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}
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TEST(liblog, verbose_write) {
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setenv("ANDROID_LOG_TAGS", "*:v", true);
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CapturedStderr captured_stderr;
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InitLogging(nullptr, StderrLogger);
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GenerateLogContent();
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CheckMessage(true, captured_stderr.str(), ANDROID_LOG_VERBOSE, "tag", "verbose main");
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CheckMessage(true, captured_stderr.str(), ANDROID_LOG_INFO, "tag", "info main");
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CheckMessage(true, captured_stderr.str(), ANDROID_LOG_ERROR, "tag", "error main");
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CheckMessage(true, captured_stderr.str(), ANDROID_LOG_VERBOSE, "tag", "verbose radio");
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CheckMessage(true, captured_stderr.str(), ANDROID_LOG_INFO, "tag", "info radio");
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CheckMessage(true, captured_stderr.str(), ANDROID_LOG_ERROR, "tag", "error radio");
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CheckMessage(true, captured_stderr.str(), ANDROID_LOG_VERBOSE, "tag", "verbose system");
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CheckMessage(true, captured_stderr.str(), ANDROID_LOG_INFO, "tag", "info system");
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CheckMessage(true, captured_stderr.str(), ANDROID_LOG_ERROR, "tag", "error system");
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CheckMessage(true, captured_stderr.str(), ANDROID_LOG_VERBOSE, "tag", "verbose crash");
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CheckMessage(true, captured_stderr.str(), ANDROID_LOG_INFO, "tag", "info crash");
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CheckMessage(true, captured_stderr.str(), ANDROID_LOG_ERROR, "tag", "error crash");
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}
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TEST(liblog, error_write) {
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setenv("ANDROID_LOG_TAGS", "*:e", true);
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CapturedStderr captured_stderr;
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InitLogging(nullptr, StderrLogger);
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GenerateLogContent();
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CheckMessage(false, captured_stderr.str(), ANDROID_LOG_VERBOSE, "tag", "verbose main");
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CheckMessage(false, captured_stderr.str(), ANDROID_LOG_INFO, "tag", "info main");
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CheckMessage(true, captured_stderr.str(), ANDROID_LOG_ERROR, "tag", "error main");
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CheckMessage(false, captured_stderr.str(), ANDROID_LOG_VERBOSE, "tag", "verbose radio");
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CheckMessage(false, captured_stderr.str(), ANDROID_LOG_INFO, "tag", "info radio");
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CheckMessage(true, captured_stderr.str(), ANDROID_LOG_ERROR, "tag", "error radio");
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CheckMessage(false, captured_stderr.str(), ANDROID_LOG_VERBOSE, "tag", "verbose system");
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CheckMessage(false, captured_stderr.str(), ANDROID_LOG_INFO, "tag", "info system");
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CheckMessage(true, captured_stderr.str(), ANDROID_LOG_ERROR, "tag", "error system");
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CheckMessage(false, captured_stderr.str(), ANDROID_LOG_VERBOSE, "tag", "verbose crash");
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CheckMessage(false, captured_stderr.str(), ANDROID_LOG_INFO, "tag", "info crash");
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CheckMessage(true, captured_stderr.str(), ANDROID_LOG_ERROR, "tag", "error crash");
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}
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TEST(liblog, kernel_no_write) {
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CapturedStderr captured_stderr;
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InitLogging(nullptr, StderrLogger);
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__android_log_buf_print(LOG_ID_KERNEL, ANDROID_LOG_ERROR, "tag", "kernel error");
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EXPECT_EQ("", captured_stderr.str());
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}
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TEST(liblog, binary_no_write) {
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CapturedStderr captured_stderr;
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InitLogging(nullptr, StderrLogger);
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__android_log_buf_print(LOG_ID_EVENTS, ANDROID_LOG_ERROR, "tag", "error events");
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__android_log_buf_print(LOG_ID_STATS, ANDROID_LOG_ERROR, "tag", "error stats");
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__android_log_buf_print(LOG_ID_SECURITY, ANDROID_LOG_ERROR, "tag", "error security");
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__android_log_bswrite(0x12, "events");
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__android_log_stats_bwrite(0x34, "stats", strlen("stats"));
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__android_log_security_bswrite(0x56, "security");
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EXPECT_EQ("", captured_stderr.str());
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}
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