Add some unit tests for the mac MinidumpGenerator

R=mark at http://breakpad.appspot.com/240001/show

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@742 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
ted.mielczarek 2010-12-13 22:10:32 +00:00
parent ef7262d477
commit efbe428d83
4 changed files with 291 additions and 90 deletions

View File

@ -51,6 +51,8 @@
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@ -62,6 +64,10 @@
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@ -135,7 +141,6 @@
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@ -312,6 +317,13 @@
remoteGlobalIDString = D21F97D211CBA0F200239E38;
remoteInfo = test_assembler_unittest;
};
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containerPortal = 0867D690FE84028FC02AAC07 /* Project object */;
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remoteInfo = gtest;
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@ -512,6 +524,7 @@
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D244535212426EBB009BBCE0 /* minidump.cc */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = minidump.cc; path = ../../processor/minidump.cc; sourceTree = SOURCE_ROOT; };
@ -602,7 +615,6 @@
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@ -696,6 +708,7 @@
files = (
8B31029411F0D54300FCF3E4 /* Foundation.framework in Frameworks */,
8B4BDABE12012CEF009C7060 /* libcrypto.dylib in Frameworks */,
D23F4B3312A7E17700686C8D /* libgtest.a in Frameworks */,
);
runOnlyForDeploymentPostprocessing = 0;
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@ -815,7 +828,6 @@
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F92C53680ECCE3FD009BE4BA /* breakpad_exc_server.h */,
F92C53690ECCE3FD009BE4BA /* breakpad_nlist_64.cc */,
@ -1009,6 +1021,7 @@
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isa = PBXGroup;
children = (
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D2F9A3D41212F87C002747C1 /* exception_handler_test.cc */,
F9C77DE00F7DD7E30045F7DB /* SimpleStringDictionaryTest.h */,
@ -1178,6 +1191,7 @@
buildRules = (
);
dependencies = (
D23F4B3012A7E16200686C8D /* PBXTargetDependency */,
);
name = generator_test;
productName = generator_test;
@ -1621,6 +1635,10 @@
isa = PBXSourcesBuildPhase;
buildActionMask = 2147483647;
files = (
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D2C1DBE512AFC270006917BD /* minidump.cc in Sources */,
D2C1DBE612AFC270006917BD /* pathname_stripper.cc in Sources */,
D2C1DBE712AFC270006917BD /* basic_code_modules.cc in Sources */,
D2F9A4DF12133AD9002747C1 /* crash_generation_client.cc in Sources */,
D2F9A4E012133AD9002747C1 /* crash_generation_server.cc in Sources */,
D24BBD291211EDB100F3D417 /* MachIPC.mm in Sources */,
@ -1636,7 +1654,7 @@
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F93803D60F8083B7004D428B /* macho_walker.cc in Sources */,
F93803D70F8083B7004D428B /* string_utilities.cc in Sources */,
F93803DA0F8083D8004D428B /* minidump_generator_test.cc in Sources */,
D23F4B2E12A7E13200686C8D /* minidump_generator_test.cc in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
};
@ -1733,6 +1751,11 @@
name = minidump_upload;
targetProxy = 8B31051E11F1010E00FCF3E4 /* PBXContainerItemProxy */;
};
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isa = PBXTargetDependency;
target = D2F9A41412131EF0002747C1 /* gtest */;
targetProxy = D23F4B2F12A7E16200686C8D /* PBXContainerItemProxy */;
};
D2F9A44312131F80002747C1 /* PBXTargetDependency */ = {
isa = PBXTargetDependency;
target = D2F9A41412131EF0002747C1 /* gtest */;
@ -2094,7 +2117,15 @@
F93803C00F808210004D428B /* Debug */ = {
isa = XCBuildConfiguration;
buildSettings = {
HEADER_SEARCH_PATHS = ../..;
GCC_PREPROCESSOR_DEFINITIONS = "BP_LOGGING_INCLUDE=\\\"client/mac/tests/testlogging.h\\\"";
HEADER_SEARCH_PATHS = (
../..,
../../..,
../../testing,
../../testing/include,
../../testing/gtest,
../../testing/gtest/include,
);
PRODUCT_NAME = generator_test;
};
name = Debug;

View File

@ -1,81 +0,0 @@
// Copyright (c) 2006, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <unistd.h>
#include <pthread.h>
#include <pwd.h>
#include <CoreFoundation/CoreFoundation.h>
#include "minidump_generator.h"
#include "minidump_file_writer.h"
using std::string;
using google_breakpad::MinidumpGenerator;
static bool doneWritingReport = false;
static void *Reporter(void *) {
char buffer[PATH_MAX];
MinidumpGenerator md;
// Write it to the desktop
snprintf(buffer,
sizeof(buffer),
"/tmp/test.dmp");
fprintf(stdout, "Writing %s\n", buffer);
unlink(buffer);
md.Write(buffer);
doneWritingReport = true;
return NULL;
}
static void SleepyFunction() {
while (!doneWritingReport) {
usleep(100);
}
}
int main(int argc, char * const argv[]) {
pthread_t reporter_thread;
if (pthread_create(&reporter_thread, NULL, Reporter, NULL) == 0) {
pthread_detach(reporter_thread);
} else {
perror("pthread_create");
}
SleepyFunction();
return 0;
}

View File

@ -155,7 +155,7 @@ TEST_F(ExceptionHandlerTest, DumpChildProcess) {
pid_t pid = fork();
if (pid == 0) {
// In the child process
close(fds[0]);
close(fds[1]);
// Send parent process the task and thread ports.
MachSendMessage child_message(0);
@ -168,12 +168,12 @@ TEST_F(ExceptionHandlerTest, DumpChildProcess) {
// Wait for the parent process.
uint8_t data;
read(fds[1], &data, 1);
read(fds[0], &data, 1);
exit(0);
}
// In the parent process.
ASSERT_NE(-1, pid);
close(fds[1]);
close(fds[0]);
// Read the child's task and thread ports.
MachReceiveMessage child_message;
@ -200,7 +200,7 @@ TEST_F(ExceptionHandlerTest, DumpChildProcess) {
// Unblock child process
uint8_t data = 1;
(void)write(fds[0], &data, 1);
(void)write(fds[1], &data, 1);
// Child process should have exited with a zero status.
int ret;

View File

@ -0,0 +1,251 @@
// Copyright (c) 2010, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// minidump_generator_test.cc: Unit tests for google_breakpad::MinidumpGenerator
#include <crt_externs.h>
#include <sys/stat.h>
#include <unistd.h>
#include "breakpad_googletest_includes.h"
#include "client/mac/handler/minidump_generator.h"
#include "client/mac/tests/auto_tempdir.h"
#include "common/mac/MachIPC.h"
#include "google_breakpad/processor/minidump.h"
namespace google_breakpad {
// This acts as the log sink for INFO logging from the processor
// logging code. The logging output confuses XCode and makes it think
// there are unit test failures. testlogging.h handles the overriding.
std::ostringstream info_log;
}
namespace {
using std::string;
using google_breakpad::AutoTempDir;
using google_breakpad::MinidumpGenerator;
using google_breakpad::MachPortSender;
using google_breakpad::MachReceiveMessage;
using google_breakpad::MachSendMessage;
using google_breakpad::Minidump;
using google_breakpad::MinidumpContext;
using google_breakpad::MinidumpException;
using google_breakpad::MinidumpModule;
using google_breakpad::MinidumpModuleList;
using google_breakpad::MinidumpSystemInfo;
using google_breakpad::MinidumpThread;
using google_breakpad::MinidumpThreadList;
using google_breakpad::ReceivePort;
using testing::Test;
const MDCPUArchitecture kNativeArchitecture =
#if defined(__i386__)
MD_CPU_ARCHITECTURE_X86
#elif defined(__x86_64__)
MD_CPU_ARCHITECTURE_AMD64
#elif defined(__ppc__) || defined(__ppc64__)
MD_CPU_ARCHITECTURE_PPC
#else
#error "This test has not been ported to this CPU architecture."
#endif
;
const u_int32_t kNativeContext =
#if defined(__i386__)
MD_CONTEXT_X86
#elif defined(__x86_64__)
MD_CONTEXT_AMD64
#elif defined(__ppc__) || defined(__ppc64__)
MD_CONTEXT_PPC
#else
#error "This test has not been ported to this CPU architecture."
#endif
;
static string GetExecutablePath() {
char self_path[PATH_MAX];
uint32_t size = sizeof(self_path);
if (_NSGetExecutablePath(self_path, &size) != 0)
return "";
return self_path;
}
class MinidumpGeneratorTest : public Test {
public:
AutoTempDir tempDir;
};
static void *Junk(void* data) {
bool* wait = reinterpret_cast<bool*>(data);
while (!*wait) {
usleep(10000);
}
return NULL;
}
TEST_F(MinidumpGeneratorTest, InProcess) {
MinidumpGenerator generator;
string dump_filename = MinidumpGenerator::UniqueNameInDirectory(tempDir.path,
NULL);
// Run an extra thread since MinidumpGenerator assumes there
// are 2 or more threads.
pthread_t junk_thread;
bool quit = false;
ASSERT_EQ(0, pthread_create(&junk_thread, NULL, Junk, &quit));
ASSERT_TRUE(generator.Write(dump_filename.c_str()));
// Ensure that minidump file exists and is > 0 bytes.
struct stat st;
ASSERT_EQ(0, stat(dump_filename.c_str(), &st));
ASSERT_LT(0, st.st_size);
// join the background thread
quit = true;
pthread_join(junk_thread, NULL);
// Read the minidump, sanity check some data.
Minidump minidump(dump_filename.c_str());
ASSERT_TRUE(minidump.Read());
MinidumpSystemInfo* system_info = minidump.GetSystemInfo();
ASSERT_TRUE(system_info);
const MDRawSystemInfo* raw_info = system_info->system_info();
ASSERT_TRUE(raw_info);
EXPECT_EQ(kNativeArchitecture, raw_info->processor_architecture);
MinidumpThreadList* thread_list = minidump.GetThreadList();
ASSERT_TRUE(thread_list);
ASSERT_EQ((unsigned int)1, thread_list->thread_count());
MinidumpThread* main_thread = thread_list->GetThreadAtIndex(0);
ASSERT_TRUE(main_thread);
MinidumpContext* context = main_thread->GetContext();
ASSERT_TRUE(context);
EXPECT_EQ(kNativeContext, context->GetContextCPU());
MinidumpModuleList* module_list = minidump.GetModuleList();
ASSERT_TRUE(module_list);
const MinidumpModule* main_module = module_list->GetMainModule();
ASSERT_TRUE(main_module);
EXPECT_EQ(GetExecutablePath(), main_module->code_file());
}
TEST_F(MinidumpGeneratorTest, OutOfProcess) {
const int kTimeoutMs = 2000;
// Create a mach port to receive the child task on.
char machPortName[128];
sprintf(machPortName, "MinidumpGeneratorTest.%d", getpid());
ReceivePort parent_recv_port(machPortName);
// Give the child process a pipe to block on.
int fds[2];
ASSERT_EQ(0, pipe(fds));
// Fork off a child process to dump.
pid_t pid = fork();
if (pid == 0) {
// In the child process
close(fds[1]);
// Send parent process the task port.
MachSendMessage child_message(0);
child_message.AddDescriptor(mach_task_self());
MachPortSender child_sender(machPortName);
if (child_sender.SendMessage(child_message, kTimeoutMs) != KERN_SUCCESS) {
fprintf(stderr, "Error sending message from child process!\n");
exit(1);
}
// Wait for the parent process.
uint8_t data;
read(fds[0], &data, 1);
exit(0);
}
// In the parent process.
ASSERT_NE(-1, pid);
close(fds[0]);
// Read the child's task port.
MachReceiveMessage child_message;
ASSERT_EQ(KERN_SUCCESS,
parent_recv_port.WaitForMessage(&child_message, kTimeoutMs));
mach_port_t child_task = child_message.GetTranslatedPort(0);
ASSERT_NE((mach_port_t)MACH_PORT_NULL, child_task);
// Write a minidump of the child process.
MinidumpGenerator generator(child_task, MACH_PORT_NULL);
string dump_filename = MinidumpGenerator::UniqueNameInDirectory(tempDir.path,
NULL);
ASSERT_TRUE(generator.Write(dump_filename.c_str()));
// Ensure that minidump file exists and is > 0 bytes.
struct stat st;
ASSERT_EQ(0, stat(dump_filename.c_str(), &st));
ASSERT_LT(0, st.st_size);
// Unblock child process
uint8_t data = 1;
(void)write(fds[1], &data, 1);
// Child process should have exited with a zero status.
int ret;
ASSERT_EQ(pid, waitpid(pid, &ret, 0));
EXPECT_NE(0, WIFEXITED(ret));
EXPECT_EQ(0, WEXITSTATUS(ret));
// Read the minidump, sanity check some data.
Minidump minidump(dump_filename.c_str());
ASSERT_TRUE(minidump.Read());
MinidumpSystemInfo* system_info = minidump.GetSystemInfo();
ASSERT_TRUE(system_info);
const MDRawSystemInfo* raw_info = system_info->system_info();
ASSERT_TRUE(raw_info);
EXPECT_EQ(kNativeArchitecture, raw_info->processor_architecture);
MinidumpThreadList* thread_list = minidump.GetThreadList();
ASSERT_TRUE(thread_list);
ASSERT_EQ((unsigned int)1, thread_list->thread_count());
MinidumpThread* main_thread = thread_list->GetThreadAtIndex(0);
ASSERT_TRUE(main_thread);
MinidumpContext* context = main_thread->GetContext();
ASSERT_TRUE(context);
EXPECT_EQ(kNativeContext, context->GetContextCPU());
MinidumpModuleList* module_list = minidump.GetModuleList();
ASSERT_TRUE(module_list);
const MinidumpModule* main_module = module_list->GetMainModule();
ASSERT_TRUE(main_module);
EXPECT_EQ(GetExecutablePath(), main_module->code_file());
}
}