cmds/incidentd/tests/Section_test.cpp - LeafOS-Project/android_frameworks_base - Gitiles

 // Copyright (C) 2017 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.
 #define DEBUG false
 #include "Log.h"

 #include "Section.h"

 #include <android-base/file.h>
 #include <android-base/test_utils.h>
 #include <android/os/IncidentReportArgs.h>
 #include <android/util/protobuf.h>
 #include <frameworks/base/core/proto/android/os/incident.pb.h>
 #include <frameworks/base/core/proto/android/os/header.pb.h>
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
 #include <string.h>

 using namespace android;
 using namespace android::base;
 using namespace android::binder;
 using namespace android::os;
 using namespace android::os::incidentd;
 using namespace android::util;
 using ::testing::StrEq;
 using ::testing::Test;
 using ::testing::internal::CaptureStdout;
 using ::testing::internal::GetCapturedStdout;

 const int TIMEOUT_PARSER = -1;
 const int NOOP_PARSER = 0;
 const int REVERSE_PARSER = 1;

 const int QUICK_TIMEOUT_MS = 100;

 const std::string VARINT_FIELD_1 = "\x08\x96\x01";  // 150
 const std::string STRING_FIELD_2 = "\x12\vandroidwins";
 const std::string FIX64_FIELD_3 = "\x19\xff\xff\xff\xff\xff\xff\xff\xff";  // -1

 // NOTICE: this test requires /system/bin/incident_helper is installed.
 class SectionTest : public Test {
 public:
     virtual void SetUp() override { ASSERT_NE(tf.fd, -1); }

     void printDebugString(std::string s) {
         fprintf(stderr, "size: %zu\n", s.length());
         for (size_t i = 0; i < s.length(); i++) {
             char c = s[i];
             fprintf(stderr, "\\x%x", c);
         }
         fprintf(stderr, "\n");
     }

 protected:
     TemporaryFile tf;

     const std::string kTestPath = GetExecutableDirectory();
     const std::string kTestDataPath = kTestPath + "/testdata/";
 };

 class SimpleListener : public IIncidentReportStatusListener {
 public:
     SimpleListener(){};
     virtual ~SimpleListener(){};

     virtual Status onReportStarted() { return Status::ok(); };
     virtual Status onReportSectionStatus(int /*section*/, int /*status*/)
             { return Status::ok(); };
     virtual Status onReportFinished() { return Status::ok(); };
     virtual Status onReportFailed() { return Status::ok(); };

 protected:
     virtual IBinder* onAsBinder() override { return nullptr; };
 };

 /*
 TEST_F(SectionTest, MetadataSection) {
     MetadataSection ms;

     vector<sp<ReportRequest>> requests;
     ReportRequestSet requestSet(requests);
     requestSet.setMainFd(STDOUT_FILENO);

     requestSet.setMainPrivacyPolicy(android::os::PRIVACY_POLICY_LOCAL);
     requestSet.editSectionStats(1)->set_success(true);

     CaptureStdout();
     ASSERT_EQ(NO_ERROR, ms.Execute(&requestSet));

     string out = GetCapturedStdout();
     IncidentProto expectedIncident;
     expectedIncident.ParseFromArray(out.data(), out.size());
     ASSERT_TRUE(expectedIncident.has_metadata());
     const IncidentMetadata& expectedMetadata = expectedIncident.metadata();
     ASSERT_EQ(IncidentMetadata::LOCAL, expectedMetadata.dest());
     ASSERT_EQ(1, expectedMetadata.sections_size());
     ASSERT_EQ(1, expectedMetadata.sections(0).id());
     ASSERT_TRUE(expectedMetadata.sections(0).has_success());
     ASSERT_TRUE(expectedMetadata.sections(0).success());
 }

 TEST_F(SectionTest, FileSection) {
     FileSection fs(REVERSE_PARSER, tf.path);

     ASSERT_TRUE(WriteStringToFile("iamtestdata", tf.path));

     vector<sp<ReportRequest>> requests;
     ReportRequestSet requestSet(requests);
     requestSet.setMainFd(STDOUT_FILENO);

     CaptureStdout();
     ASSERT_EQ(NO_ERROR, fs.Execute(&requestSet));
     // The input string is reversed in incident helper
     // The length is 11, in 128Varint it is "0000 1011" -> \v
     EXPECT_THAT(GetCapturedStdout(), StrEq("\xa\vatadtsetmai"));
 }

 TEST_F(SectionTest, FileSectionNotExist) {
     vector<sp<ReportRequest>> requests;
     ReportRequestSet requestSet(requests);

     FileSection fs1(NOOP_PARSER, "notexist", QUICK_TIMEOUT_MS);
     ASSERT_EQ(NO_ERROR, fs1.Execute(&requestSet));

     FileSection fs2(NOOP_PARSER, "notexist", QUICK_TIMEOUT_MS);
     ASSERT_EQ(NO_ERROR, fs2.Execute(&requestSet));
 }

 TEST_F(SectionTest, FileSectionTimeout) {
     vector<sp<ReportRequest>> requests;
     ReportRequestSet requestSet(requests);

     FileSection fs(TIMEOUT_PARSER, tf.path, QUICK_TIMEOUT_MS);
     ASSERT_EQ(NO_ERROR, fs.Execute(&requestSet));
     ASSERT_TRUE(requestSet.getSectionStats(TIMEOUT_PARSER)->timed_out());
 }

 TEST_F(SectionTest, GZipSection) {
     const std::string testFile = kTestDataPath + "kmsg.txt";
     const std::string testGzFile = testFile + ".gz";
     GZipSection gs(NOOP_PARSER, "/tmp/nonexist", testFile.c_str(), NULL);

     vector<sp<ReportRequest>> requests;
     ReportRequestSet requestSet(requests);
     requestSet.setMainFd(tf.fd);
     requestSet.setMainPrivacyPolicy(android::os::PRIVACY_POLICY_LOCAL);

     ASSERT_EQ(NO_ERROR, gs.Execute(&requestSet));
     std::string expected, gzFile, actual;
     ASSERT_TRUE(ReadFileToString(testGzFile, &gzFile));
     ASSERT_TRUE(ReadFileToString(tf.path, &actual));
     // generates the expected protobuf result.
     size_t fileLen = testFile.size();
     size_t totalLen = 1 + get_varint_size(fileLen) + fileLen + 3 + gzFile.size();
     uint8_t header[20];
     header[0] = '\x2';  // header 0 << 3 + 2
     uint8_t* ptr = write_raw_varint(header + 1, totalLen);
     *ptr = '\n';  // header 1 << 3 + 2
     ptr = write_raw_varint(++ptr, fileLen);
     expected.assign((const char*)header, ptr - header);
     expected += testFile + "\x12\x9F\x6" + gzFile;
     EXPECT_THAT(actual, StrEq(expected));
 }

 TEST_F(SectionTest, GZipSectionNoFileFound) {
     GZipSection gs(NOOP_PARSER, "/tmp/nonexist1", "/tmp/nonexist2", NULL);
     vector<sp<ReportRequest>> requests;
     ReportRequestSet requestSet(requests);
     requestSet.setMainFd(STDOUT_FILENO);
     ASSERT_EQ(NO_ERROR, gs.Execute(&requestSet));
 }

 TEST_F(SectionTest, CommandSectionConstructor) {
     CommandSection cs1(1, "echo", "\"this is a test\"", "ooo", NULL);
     CommandSection cs2(2, "single_command", NULL);
     CommandSection cs3(1, 3123, "echo", "\"this is a test\"", "ooo", NULL);
     CommandSection cs4(2, 43214, "single_command", NULL);

     EXPECT_THAT(cs1.name.string(), StrEq("cmd echo \"this is a test\" ooo"));
     EXPECT_THAT(cs2.name.string(), StrEq("cmd single_command"));
     EXPECT_EQ(3123, cs3.timeoutMs);
     EXPECT_EQ(43214, cs4.timeoutMs);
     EXPECT_THAT(cs3.name.string(), StrEq("cmd echo \"this is a test\" ooo"));
     EXPECT_THAT(cs4.name.string(), StrEq("cmd single_command"));
 }

 TEST_F(SectionTest, CommandSectionEcho) {
     CommandSection cs(REVERSE_PARSER, "/system/bin/echo", "about", NULL);
     vector<sp<ReportRequest>> requests;
     ReportRequestSet requestSet(requests);
     requestSet.setMainFd(STDOUT_FILENO);
     CaptureStdout();
     ASSERT_EQ(NO_ERROR, cs.Execute(&requestSet));
     EXPECT_THAT(GetCapturedStdout(), StrEq("\xa\x06\ntuoba"));
 }

 TEST_F(SectionTest, CommandSectionCommandTimeout) {
     CommandSection cs(NOOP_PARSER, QUICK_TIMEOUT_MS, "/system/bin/yes", NULL);
     vector<sp<ReportRequest>> requests;
     ReportRequestSet requestSet(requests);
     ASSERT_EQ(NO_ERROR, cs.Execute(&requestSet));
     ASSERT_TRUE(requestSet.getSectionStats(NOOP_PARSER)->timed_out());
 }

 TEST_F(SectionTest, CommandSectionIncidentHelperTimeout) {
     CommandSection cs(TIMEOUT_PARSER, QUICK_TIMEOUT_MS, "/system/bin/echo", "about", NULL);
     vector<sp<ReportRequest>> requests;
     ReportRequestSet requestSet(requests);
     requestSet.setMainFd(STDOUT_FILENO);
     ASSERT_EQ(NO_ERROR, cs.Execute(&requestSet));
     ASSERT_TRUE(requestSet.getSectionStats(TIMEOUT_PARSER)->timed_out());
 }

 TEST_F(SectionTest, CommandSectionBadCommand) {
     CommandSection cs(NOOP_PARSER, "echoo", "about", NULL);
     vector<sp<ReportRequest>> requests;
     ReportRequestSet requestSet(requests);
     ASSERT_EQ(NAME_NOT_FOUND, cs.Execute(&requestSet));
 }

 TEST_F(SectionTest, CommandSectionBadCommandAndTimeout) {
     CommandSection cs(TIMEOUT_PARSER, QUICK_TIMEOUT_MS, "nonexistcommand", "-opt", NULL);
     // timeout will return first
     vector<sp<ReportRequest>> requests;
     ReportRequestSet requestSet(requests);
     ASSERT_EQ(NO_ERROR, cs.Execute(&requestSet));
     ASSERT_TRUE(requestSet.getSectionStats(TIMEOUT_PARSER)->timed_out());
 }

 TEST_F(SectionTest, LogSectionBinary) {
     LogSection ls(1, LOG_ID_EVENTS);
     vector<sp<ReportRequest>> requests;
     ReportRequestSet requestSet(requests);
     requestSet.setMainFd(STDOUT_FILENO);
     CaptureStdout();
     ASSERT_EQ(NO_ERROR, ls.Execute(&requestSet));
     std::string results = GetCapturedStdout();
     EXPECT_FALSE(results.empty());
 }

 TEST_F(SectionTest, LogSectionSystem) {
     LogSection ls(1, LOG_ID_SYSTEM);
     vector<sp<ReportRequest>> requests;
     ReportRequestSet requestSet(requests);
     requestSet.setMainFd(STDOUT_FILENO);
     CaptureStdout();
     ASSERT_EQ(NO_ERROR, ls.Execute(&requestSet));
     std::string results = GetCapturedStdout();
     EXPECT_FALSE(results.empty());
 }

 TEST_F(SectionTest, TestFilterPiiTaggedFields) {
     FileSection fs(NOOP_PARSER, tf.path);

     ASSERT_TRUE(WriteStringToFile(VARINT_FIELD_1 + STRING_FIELD_2 + FIX64_FIELD_3, tf.path));

     vector<sp<ReportRequest>> requests;
     ReportRequestSet requestSet(requests);
     requestSet.setMainFd(STDOUT_FILENO);

     CaptureStdout();
     ASSERT_EQ(NO_ERROR, fs.Execute(&requestSet));
     EXPECT_THAT(GetCapturedStdout(), StrEq("\x02\r" + STRING_FIELD_2));
 }

 TEST_F(SectionTest, TestBadFdRequest) {
     FileSection fs(NOOP_PARSER, tf.path);
     ASSERT_TRUE(WriteStringToFile(VARINT_FIELD_1 + STRING_FIELD_2 + FIX64_FIELD_3, tf.path));

     IncidentReportArgs args;
     args.setAll(true);
     args.setPrivacyPolicy(0);
     sp<ReportRequest> badFdRequest = new ReportRequest(args, new SimpleListener(), 1234567);

     vector<sp<ReportRequest>> requests;
     requests.push_back(badFdRequest);
     ReportRequestSet requestSet(requests);
     requestSet.setMainFd(STDOUT_FILENO);

     CaptureStdout();
     ASSERT_EQ(NO_ERROR, fs.Execute(&requestSet));
     EXPECT_THAT(GetCapturedStdout(), StrEq("\x02\r" + STRING_FIELD_2));
     EXPECT_EQ(badFdRequest->err, -EBADF);
 }

 TEST_F(SectionTest, TestBadRequests) {
     FileSection fs(NOOP_PARSER, tf.path);
     ASSERT_TRUE(WriteStringToFile(VARINT_FIELD_1 + STRING_FIELD_2 + FIX64_FIELD_3, tf.path));

     IncidentReportArgs args;
     args.setAll(true);
     args.setPrivacyPolicy(0);

     vector<sp<ReportRequest>> requests;
     requests.push_back(new ReportRequest(args, new SimpleListener(), -1));
     ReportRequestSet requestSet(requests);

     EXPECT_EQ(fs.Execute(&requestSet), -EBADF);
 }

 TEST_F(SectionTest, TestMultipleRequests) {
     TemporaryFile output1, output2, output3;
     FileSection fs(NOOP_PARSER, tf.path);

     ASSERT_TRUE(output1.fd != -1);
     ASSERT_TRUE(output2.fd != -1);
     ASSERT_TRUE(output3.fd != -1);
     ASSERT_TRUE(WriteStringToFile(VARINT_FIELD_1 + STRING_FIELD_2 + FIX64_FIELD_3, tf.path));

     IncidentReportArgs args1, args2, args3;
     args1.setAll(true);
     args1.setPrivacyPolicy(android::os::PRIVACY_POLICY_LOCAL);
     args2.setAll(true);
     args2.setPrivacyPolicy(android::os::PRIVACY_POLICY_EXPLICIT);
     sp<SimpleListener> l = new SimpleListener();

     vector<sp<ReportRequest>> requests;
     requests.push_back(new ReportRequest(args1, l, output1.fd));
     requests.push_back(new ReportRequest(args2, l, output2.fd));
     requests.push_back(new ReportRequest(args3, l, output3.fd));
     ReportRequestSet requestSet(requests);
     requestSet.setMainFd(STDOUT_FILENO);

     CaptureStdout();
     ASSERT_EQ(NO_ERROR, fs.Execute(&requestSet));
     EXPECT_THAT(GetCapturedStdout(), StrEq("\x02\r" + STRING_FIELD_2));

     std::string content, expect;
     expect = VARINT_FIELD_1 + STRING_FIELD_2 + FIX64_FIELD_3;
     char c = (char)expect.size();
     EXPECT_TRUE(ReadFileToString(output1.path, &content));
     EXPECT_THAT(content, StrEq(string("\x02") + c + expect));

     expect = STRING_FIELD_2 + FIX64_FIELD_3;
     c = (char)expect.size();
     EXPECT_TRUE(ReadFileToString(output2.path, &content));
     EXPECT_THAT(content, StrEq(string("\x02") + c + expect));

     // because args3 doesn't set section, so it should receive nothing
     EXPECT_TRUE(ReadFileToString(output3.path, &content));
     EXPECT_THAT(content, StrEq(""));
 }

 TEST_F(SectionTest, TestMultipleRequestsBySpec) {
     TemporaryFile output1, output2, output3;
     FileSection fs(NOOP_PARSER, tf.path);

     ASSERT_TRUE(output1.fd != -1);
     ASSERT_TRUE(output2.fd != -1);
     ASSERT_TRUE(output3.fd != -1);

     ASSERT_TRUE(WriteStringToFile(VARINT_FIELD_1 + STRING_FIELD_2 + FIX64_FIELD_3, tf.path));

     IncidentReportArgs args1, args2, args3;
     args1.setAll(true);
     args1.setPrivacyPolicy(android::os::PRIVACY_POLICY_EXPLICIT);
     args2.setAll(true);
     args2.setPrivacyPolicy(android::os::PRIVACY_POLICY_EXPLICIT);
     args3.setAll(true);
     sp<SimpleListener> l = new SimpleListener();

     vector<sp<ReportRequest>> requests;
     requests.push_back(new ReportRequest(args1, l, output1.fd));
     requests.push_back(new ReportRequest(args2, l, output2.fd));
     requests.push_back(new ReportRequest(args3, l, output3.fd));
     ReportRequestSet requestSet(requests);
     requestSet.setMainFd(STDOUT_FILENO);

     CaptureStdout();
     ASSERT_EQ(NO_ERROR, fs.Execute(&requestSet));
     EXPECT_THAT(GetCapturedStdout(), StrEq("\x02\r" + STRING_FIELD_2));

     std::string content, expect;
     expect = STRING_FIELD_2 + FIX64_FIELD_3;
     char c = (char)expect.size();

     // output1 and output2 are the same
     EXPECT_TRUE(ReadFileToString(output1.path, &content));
     EXPECT_THAT(content, StrEq(string("\x02") + c + expect));
     EXPECT_TRUE(ReadFileToString(output2.path, &content));
     EXPECT_THAT(content, StrEq(string("\x02") + c + expect));

     // output3 has only auto field
     c = (char)STRING_FIELD_2.size();
     EXPECT_TRUE(ReadFileToString(output3.path, &content));
     EXPECT_THAT(content, StrEq(string("\x02") + c + STRING_FIELD_2));
 }
 */
	// Copyright (C) 2017 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.
	#define DEBUG false
	#include "Log.h"

	#include "Section.h"

	#include <android-base/file.h>
	#include <android-base/test_utils.h>
	#include <android/os/IncidentReportArgs.h>
	#include <android/util/protobuf.h>
	#include <frameworks/base/core/proto/android/os/incident.pb.h>
	#include <frameworks/base/core/proto/android/os/header.pb.h>
	#include <gmock/gmock.h>
	#include <gtest/gtest.h>
	#include <string.h>

	using namespace android;
	using namespace android::base;
	using namespace android::binder;
	using namespace android::os;
	using namespace android::os::incidentd;
	using namespace android::util;
	using ::testing::StrEq;
	using ::testing::Test;
	using ::testing::internal::CaptureStdout;
	using ::testing::internal::GetCapturedStdout;

	const int TIMEOUT_PARSER = -1;
	const int NOOP_PARSER = 0;
	const int REVERSE_PARSER = 1;

	const int QUICK_TIMEOUT_MS = 100;

	const std::string VARINT_FIELD_1 = "\x08\x96\x01"; // 150
	const std::string STRING_FIELD_2 = "\x12\vandroidwins";
	const std::string FIX64_FIELD_3 = "\x19\xff\xff\xff\xff\xff\xff\xff\xff"; // -1

	// NOTICE: this test requires /system/bin/incident_helper is installed.
	class SectionTest : public Test {
	public:
	virtual void SetUp() override { ASSERT_NE(tf.fd, -1); }

	void printDebugString(std::string s) {
	fprintf(stderr, "size: %zu\n", s.length());
	for (size_t i = 0; i < s.length(); i++) {
	char c = s[i];
	fprintf(stderr, "\\x%x", c);
	}
	fprintf(stderr, "\n");
	}

	protected:
	TemporaryFile tf;

	const std::string kTestPath = GetExecutableDirectory();
	const std::string kTestDataPath = kTestPath + "/testdata/";
	};

	class SimpleListener : public IIncidentReportStatusListener {
	public:
	SimpleListener(){};
	virtual ~SimpleListener(){};

	virtual Status onReportStarted() { return Status::ok(); };
	virtual Status onReportSectionStatus(int /section/, int /status/)
	{ return Status::ok(); };
	virtual Status onReportFinished() { return Status::ok(); };
	virtual Status onReportFailed() { return Status::ok(); };

	protected:
	virtual IBinder* onAsBinder() override { return nullptr; };
	};

	/*
	TEST_F(SectionTest, MetadataSection) {
	MetadataSection ms;

	vector<sp<ReportRequest>> requests;
	ReportRequestSet requestSet(requests);
	requestSet.setMainFd(STDOUT_FILENO);

	requestSet.setMainPrivacyPolicy(android::os::PRIVACY_POLICY_LOCAL);
	requestSet.editSectionStats(1)->set_success(true);

	CaptureStdout();
	ASSERT_EQ(NO_ERROR, ms.Execute(&requestSet));

	string out = GetCapturedStdout();
	IncidentProto expectedIncident;
	expectedIncident.ParseFromArray(out.data(), out.size());
	ASSERT_TRUE(expectedIncident.has_metadata());
	const IncidentMetadata& expectedMetadata = expectedIncident.metadata();
	ASSERT_EQ(IncidentMetadata::LOCAL, expectedMetadata.dest());
	ASSERT_EQ(1, expectedMetadata.sections_size());
	ASSERT_EQ(1, expectedMetadata.sections(0).id());
	ASSERT_TRUE(expectedMetadata.sections(0).has_success());
	ASSERT_TRUE(expectedMetadata.sections(0).success());
	}

	TEST_F(SectionTest, FileSection) {
	FileSection fs(REVERSE_PARSER, tf.path);

	ASSERT_TRUE(WriteStringToFile("iamtestdata", tf.path));

	vector<sp<ReportRequest>> requests;
	ReportRequestSet requestSet(requests);
	requestSet.setMainFd(STDOUT_FILENO);

	CaptureStdout();
	ASSERT_EQ(NO_ERROR, fs.Execute(&requestSet));
	// The input string is reversed in incident helper
	// The length is 11, in 128Varint it is "0000 1011" -> \v
	EXPECT_THAT(GetCapturedStdout(), StrEq("\xa\vatadtsetmai"));
	}

	TEST_F(SectionTest, FileSectionNotExist) {
	vector<sp<ReportRequest>> requests;
	ReportRequestSet requestSet(requests);

	FileSection fs1(NOOP_PARSER, "notexist", QUICK_TIMEOUT_MS);
	ASSERT_EQ(NO_ERROR, fs1.Execute(&requestSet));

	FileSection fs2(NOOP_PARSER, "notexist", QUICK_TIMEOUT_MS);
	ASSERT_EQ(NO_ERROR, fs2.Execute(&requestSet));
	}

	TEST_F(SectionTest, FileSectionTimeout) {
	vector<sp<ReportRequest>> requests;
	ReportRequestSet requestSet(requests);

	FileSection fs(TIMEOUT_PARSER, tf.path, QUICK_TIMEOUT_MS);
	ASSERT_EQ(NO_ERROR, fs.Execute(&requestSet));
	ASSERT_TRUE(requestSet.getSectionStats(TIMEOUT_PARSER)->timed_out());
	}

	TEST_F(SectionTest, GZipSection) {
	const std::string testFile = kTestDataPath + "kmsg.txt";
	const std::string testGzFile = testFile + ".gz";
	GZipSection gs(NOOP_PARSER, "/tmp/nonexist", testFile.c_str(), NULL);

	vector<sp<ReportRequest>> requests;
	ReportRequestSet requestSet(requests);
	requestSet.setMainFd(tf.fd);
	requestSet.setMainPrivacyPolicy(android::os::PRIVACY_POLICY_LOCAL);

	ASSERT_EQ(NO_ERROR, gs.Execute(&requestSet));
	std::string expected, gzFile, actual;
	ASSERT_TRUE(ReadFileToString(testGzFile, &gzFile));
	ASSERT_TRUE(ReadFileToString(tf.path, &actual));
	// generates the expected protobuf result.
	size_t fileLen = testFile.size();
	size_t totalLen = 1 + get_varint_size(fileLen) + fileLen + 3 + gzFile.size();
	uint8_t header[20];
	header[0] = '\x2'; // header 0 << 3 + 2
	uint8_t* ptr = write_raw_varint(header + 1, totalLen);
	*ptr = '\n'; // header 1 << 3 + 2
	ptr = write_raw_varint(++ptr, fileLen);
	expected.assign((const char*)header, ptr - header);
	expected += testFile + "\x12\x9F\x6" + gzFile;
	EXPECT_THAT(actual, StrEq(expected));
	}

	TEST_F(SectionTest, GZipSectionNoFileFound) {
	GZipSection gs(NOOP_PARSER, "/tmp/nonexist1", "/tmp/nonexist2", NULL);
	vector<sp<ReportRequest>> requests;
	ReportRequestSet requestSet(requests);
	requestSet.setMainFd(STDOUT_FILENO);
	ASSERT_EQ(NO_ERROR, gs.Execute(&requestSet));
	}

	TEST_F(SectionTest, CommandSectionConstructor) {
	CommandSection cs1(1, "echo", "\"this is a test\"", "ooo", NULL);
	CommandSection cs2(2, "single_command", NULL);
	CommandSection cs3(1, 3123, "echo", "\"this is a test\"", "ooo", NULL);
	CommandSection cs4(2, 43214, "single_command", NULL);

	EXPECT_THAT(cs1.name.string(), StrEq("cmd echo \"this is a test\" ooo"));
	EXPECT_THAT(cs2.name.string(), StrEq("cmd single_command"));
	EXPECT_EQ(3123, cs3.timeoutMs);
	EXPECT_EQ(43214, cs4.timeoutMs);
	EXPECT_THAT(cs3.name.string(), StrEq("cmd echo \"this is a test\" ooo"));
	EXPECT_THAT(cs4.name.string(), StrEq("cmd single_command"));
	}

	TEST_F(SectionTest, CommandSectionEcho) {
	CommandSection cs(REVERSE_PARSER, "/system/bin/echo", "about", NULL);
	vector<sp<ReportRequest>> requests;
	ReportRequestSet requestSet(requests);
	requestSet.setMainFd(STDOUT_FILENO);
	CaptureStdout();
	ASSERT_EQ(NO_ERROR, cs.Execute(&requestSet));
	EXPECT_THAT(GetCapturedStdout(), StrEq("\xa\x06\ntuoba"));
	}

	TEST_F(SectionTest, CommandSectionCommandTimeout) {
	CommandSection cs(NOOP_PARSER, QUICK_TIMEOUT_MS, "/system/bin/yes", NULL);
	vector<sp<ReportRequest>> requests;
	ReportRequestSet requestSet(requests);
	ASSERT_EQ(NO_ERROR, cs.Execute(&requestSet));
	ASSERT_TRUE(requestSet.getSectionStats(NOOP_PARSER)->timed_out());
	}

	TEST_F(SectionTest, CommandSectionIncidentHelperTimeout) {
	CommandSection cs(TIMEOUT_PARSER, QUICK_TIMEOUT_MS, "/system/bin/echo", "about", NULL);
	vector<sp<ReportRequest>> requests;
	ReportRequestSet requestSet(requests);
	requestSet.setMainFd(STDOUT_FILENO);
	ASSERT_EQ(NO_ERROR, cs.Execute(&requestSet));
	ASSERT_TRUE(requestSet.getSectionStats(TIMEOUT_PARSER)->timed_out());
	}

	TEST_F(SectionTest, CommandSectionBadCommand) {
	CommandSection cs(NOOP_PARSER, "echoo", "about", NULL);
	vector<sp<ReportRequest>> requests;
	ReportRequestSet requestSet(requests);
	ASSERT_EQ(NAME_NOT_FOUND, cs.Execute(&requestSet));
	}

	TEST_F(SectionTest, CommandSectionBadCommandAndTimeout) {
	CommandSection cs(TIMEOUT_PARSER, QUICK_TIMEOUT_MS, "nonexistcommand", "-opt", NULL);
	// timeout will return first
	vector<sp<ReportRequest>> requests;
	ReportRequestSet requestSet(requests);
	ASSERT_EQ(NO_ERROR, cs.Execute(&requestSet));
	ASSERT_TRUE(requestSet.getSectionStats(TIMEOUT_PARSER)->timed_out());
	}

	TEST_F(SectionTest, LogSectionBinary) {
	LogSection ls(1, LOG_ID_EVENTS);
	vector<sp<ReportRequest>> requests;
	ReportRequestSet requestSet(requests);
	requestSet.setMainFd(STDOUT_FILENO);
	CaptureStdout();
	ASSERT_EQ(NO_ERROR, ls.Execute(&requestSet));
	std::string results = GetCapturedStdout();
	EXPECT_FALSE(results.empty());
	}

	TEST_F(SectionTest, LogSectionSystem) {
	LogSection ls(1, LOG_ID_SYSTEM);
	vector<sp<ReportRequest>> requests;
	ReportRequestSet requestSet(requests);
	requestSet.setMainFd(STDOUT_FILENO);
	CaptureStdout();
	ASSERT_EQ(NO_ERROR, ls.Execute(&requestSet));
	std::string results = GetCapturedStdout();
	EXPECT_FALSE(results.empty());
	}

	TEST_F(SectionTest, TestFilterPiiTaggedFields) {
	FileSection fs(NOOP_PARSER, tf.path);

	ASSERT_TRUE(WriteStringToFile(VARINT_FIELD_1 + STRING_FIELD_2 + FIX64_FIELD_3, tf.path));

	vector<sp<ReportRequest>> requests;
	ReportRequestSet requestSet(requests);
	requestSet.setMainFd(STDOUT_FILENO);

	CaptureStdout();
	ASSERT_EQ(NO_ERROR, fs.Execute(&requestSet));
	EXPECT_THAT(GetCapturedStdout(), StrEq("\x02\r" + STRING_FIELD_2));
	}

	TEST_F(SectionTest, TestBadFdRequest) {
	FileSection fs(NOOP_PARSER, tf.path);
	ASSERT_TRUE(WriteStringToFile(VARINT_FIELD_1 + STRING_FIELD_2 + FIX64_FIELD_3, tf.path));

	IncidentReportArgs args;
	args.setAll(true);
	args.setPrivacyPolicy(0);
	sp<ReportRequest> badFdRequest = new ReportRequest(args, new SimpleListener(), 1234567);

	vector<sp<ReportRequest>> requests;
	requests.push_back(badFdRequest);
	ReportRequestSet requestSet(requests);
	requestSet.setMainFd(STDOUT_FILENO);

	CaptureStdout();
	ASSERT_EQ(NO_ERROR, fs.Execute(&requestSet));
	EXPECT_THAT(GetCapturedStdout(), StrEq("\x02\r" + STRING_FIELD_2));
	EXPECT_EQ(badFdRequest->err, -EBADF);
	}

	TEST_F(SectionTest, TestBadRequests) {
	FileSection fs(NOOP_PARSER, tf.path);
	ASSERT_TRUE(WriteStringToFile(VARINT_FIELD_1 + STRING_FIELD_2 + FIX64_FIELD_3, tf.path));

	IncidentReportArgs args;
	args.setAll(true);
	args.setPrivacyPolicy(0);

	vector<sp<ReportRequest>> requests;
	requests.push_back(new ReportRequest(args, new SimpleListener(), -1));
	ReportRequestSet requestSet(requests);

	EXPECT_EQ(fs.Execute(&requestSet), -EBADF);
	}

	TEST_F(SectionTest, TestMultipleRequests) {
	TemporaryFile output1, output2, output3;
	FileSection fs(NOOP_PARSER, tf.path);

	ASSERT_TRUE(output1.fd != -1);
	ASSERT_TRUE(output2.fd != -1);
	ASSERT_TRUE(output3.fd != -1);
	ASSERT_TRUE(WriteStringToFile(VARINT_FIELD_1 + STRING_FIELD_2 + FIX64_FIELD_3, tf.path));

	IncidentReportArgs args1, args2, args3;
	args1.setAll(true);
	args1.setPrivacyPolicy(android::os::PRIVACY_POLICY_LOCAL);
	args2.setAll(true);
	args2.setPrivacyPolicy(android::os::PRIVACY_POLICY_EXPLICIT);
	sp<SimpleListener> l = new SimpleListener();

	vector<sp<ReportRequest>> requests;
	requests.push_back(new ReportRequest(args1, l, output1.fd));
	requests.push_back(new ReportRequest(args2, l, output2.fd));
	requests.push_back(new ReportRequest(args3, l, output3.fd));
	ReportRequestSet requestSet(requests);
	requestSet.setMainFd(STDOUT_FILENO);

	CaptureStdout();
	ASSERT_EQ(NO_ERROR, fs.Execute(&requestSet));
	EXPECT_THAT(GetCapturedStdout(), StrEq("\x02\r" + STRING_FIELD_2));

	std::string content, expect;
	expect = VARINT_FIELD_1 + STRING_FIELD_2 + FIX64_FIELD_3;
	char c = (char)expect.size();
	EXPECT_TRUE(ReadFileToString(output1.path, &content));
	EXPECT_THAT(content, StrEq(string("\x02") + c + expect));

	expect = STRING_FIELD_2 + FIX64_FIELD_3;
	c = (char)expect.size();
	EXPECT_TRUE(ReadFileToString(output2.path, &content));
	EXPECT_THAT(content, StrEq(string("\x02") + c + expect));

	// because args3 doesn't set section, so it should receive nothing
	EXPECT_TRUE(ReadFileToString(output3.path, &content));
	EXPECT_THAT(content, StrEq(""));
	}

	TEST_F(SectionTest, TestMultipleRequestsBySpec) {
	TemporaryFile output1, output2, output3;
	FileSection fs(NOOP_PARSER, tf.path);

	ASSERT_TRUE(output1.fd != -1);
	ASSERT_TRUE(output2.fd != -1);
	ASSERT_TRUE(output3.fd != -1);

	ASSERT_TRUE(WriteStringToFile(VARINT_FIELD_1 + STRING_FIELD_2 + FIX64_FIELD_3, tf.path));

	IncidentReportArgs args1, args2, args3;
	args1.setAll(true);
	args1.setPrivacyPolicy(android::os::PRIVACY_POLICY_EXPLICIT);
	args2.setAll(true);
	args2.setPrivacyPolicy(android::os::PRIVACY_POLICY_EXPLICIT);
	args3.setAll(true);
	sp<SimpleListener> l = new SimpleListener();

	vector<sp<ReportRequest>> requests;
	requests.push_back(new ReportRequest(args1, l, output1.fd));
	requests.push_back(new ReportRequest(args2, l, output2.fd));
	requests.push_back(new ReportRequest(args3, l, output3.fd));
	ReportRequestSet requestSet(requests);
	requestSet.setMainFd(STDOUT_FILENO);

	CaptureStdout();
	ASSERT_EQ(NO_ERROR, fs.Execute(&requestSet));
	EXPECT_THAT(GetCapturedStdout(), StrEq("\x02\r" + STRING_FIELD_2));

	std::string content, expect;
	expect = STRING_FIELD_2 + FIX64_FIELD_3;
	char c = (char)expect.size();

	// output1 and output2 are the same
	EXPECT_TRUE(ReadFileToString(output1.path, &content));
	EXPECT_THAT(content, StrEq(string("\x02") + c + expect));
	EXPECT_TRUE(ReadFileToString(output2.path, &content));
	EXPECT_THAT(content, StrEq(string("\x02") + c + expect));

	// output3 has only auto field
	c = (char)STRING_FIELD_2.size();
	EXPECT_TRUE(ReadFileToString(output3.path, &content));
	EXPECT_THAT(content, StrEq(string("\x02") + c + STRING_FIELD_2));
	}
	*/