Merge pull request #972 from mapbox/log_cleanup

Refactoring of the log system
This commit is contained in:
Thiago Marcos P. Santos
2015-03-12 14:18:25 +02:00
20 changed files with 200 additions and 348 deletions

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@@ -15,7 +15,6 @@
#include <mbgl/android/jni.hpp>
#include <mbgl/android/native_map_view.hpp>
#include <mbgl/map/map.hpp>
#include <mbgl/platform/android/log_android.hpp>
#include <mbgl/platform/event.hpp>
#include <mbgl/platform/log.hpp>
#include <mbgl/storage/network_status.hpp>
@@ -806,8 +805,6 @@ jobject JNICALL nativeLatLngForPixel(JNIEnv *env, jobject obj, jlong nativeMapVi
extern "C" {
extern "C" JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void *reserved) {
mbgl::Log::Set<mbgl::AndroidLogBackend>();
mbgl::Log::Debug(mbgl::Event::JNI, "JNI_OnLoad");
JNIEnv *env = nullptr;

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@@ -5,15 +5,10 @@
#include <mbgl/platform/default/headless_view.hpp>
#include <mbgl/platform/default/headless_display.hpp>
#include <mbgl/platform/log.hpp>
#include <mbgl/storage/default_file_source.hpp>
#include <mbgl/storage/default/sqlite_cache.hpp>
#if __APPLE__
#include <mbgl/platform/darwin/log_nslog.hpp>
#else
#include <mbgl/platform/default/log_stderr.hpp>
#endif
#pragma GCC diagnostic push
#ifndef __clang__
#pragma GCC diagnostic ignored "-Wunused-local-typedefs"
@@ -71,13 +66,6 @@ int main(int argc, char *argv[]) {
using namespace mbgl;
#if __APPLE__
Log::Set<NSLogBackend>();
#else
Log::Set<StderrLogBackend>();
#endif
mbgl::SQLiteCache cache(cache_file);
mbgl::DefaultFileSource fileSource(&cache);

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@@ -1,24 +0,0 @@
#ifndef MBGL_PLATFORM_ANDROID_LOG_ANDROID
#define MBGL_PLATFORM_ANDROID_LOG_ANDROID
#include <mbgl/platform/log.hpp>
namespace mbgl {
class AndroidLogBackend : public LogBackend {
private:
int severityToPriority(EventSeverity severity);
public:
inline ~AndroidLogBackend() = default;
void record(EventSeverity severity, Event event, const std::string &msg);
void record(EventSeverity severity, Event event, const char* format, ...);
void record(EventSeverity severity, Event event, int64_t code);
void record(EventSeverity severity, Event event, int64_t code, const std::string &msg);
};
}
#endif

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@@ -1,21 +0,0 @@
#ifndef MBGL_COMMON_NSLOG_LOG
#define MBGL_COMMON_NSLOG_LOG
#include <mbgl/platform/log.hpp>
namespace mbgl {
class NSLogBackend : public LogBackend {
public:
inline ~NSLogBackend() = default;
void record(EventSeverity severity, Event event, const std::string &msg);
void record(EventSeverity severity, Event event, const char* format, ...);
void record(EventSeverity severity, Event event, int64_t code);
void record(EventSeverity severity, Event event, int64_t code, const std::string &msg);
};
}
#endif

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@@ -1,21 +0,0 @@
#ifndef MBGL_COMMON_STDERR_LOG
#define MBGL_COMMON_STDERR_LOG
#include <mbgl/platform/log.hpp>
namespace mbgl {
class StderrLogBackend : public LogBackend {
public:
inline ~StderrLogBackend() = default;
void record(EventSeverity severity, Event event, const std::string &msg);
void record(EventSeverity severity, Event event, const char* format, ...);
void record(EventSeverity severity, Event event, int64_t code);
void record(EventSeverity severity, Event event, int64_t code, const std::string &msg);
};
}
#endif

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@@ -10,16 +10,19 @@
namespace mbgl {
class LogBackend {
public:
virtual inline ~LogBackend() = default;
virtual void record(EventSeverity severity, Event event, const std::string &msg) = 0;
virtual void record(EventSeverity severity, Event event, const char* format, ...) = 0;
virtual void record(EventSeverity severity, Event event, int64_t code) = 0;
virtual void record(EventSeverity severity, Event event, int64_t code, const std::string &msg) = 0;
};
class Log {
public:
class Observer {
public:
virtual ~Observer() = default;
// When an observer is set, this function will be called for every log
// message. Returning true will consume the message.
virtual bool onRecord(EventSeverity severity, Event event, int64_t code, const std::string &msg) = 0;
};
static void setObserver(std::unique_ptr<Observer> Observer);
private:
template <typename T, size_t N>
constexpr static bool includes(const T e, const T (&l)[N], const size_t i = 0) {
@@ -52,20 +55,20 @@ public:
if (!includes(severity, disabledEventSeverities) &&
!includes(event, disabledEvents) &&
!includes({ severity, event }, disabledEventPermutations)) {
if (Backend) {
Backend->record(severity, event, ::std::forward<Args>(args)...);
}
record(severity, event, ::std::forward<Args>(args)...);
}
}
template<typename T, typename ...Args>
static inline const T &Set(Args&& ...args) {
Backend = util::make_unique<T>(::std::forward<Args>(args)...);
return *reinterpret_cast<T *>(Backend.get());
}
private:
static std::unique_ptr<LogBackend> Backend;
static void record(EventSeverity severity, Event event, const std::string &msg);
static void record(EventSeverity severity, Event event, const char* format, ...);
static void record(EventSeverity severity, Event event, int64_t code);
static void record(EventSeverity severity, Event event, int64_t code, const std::string &msg);
// This method is the data sink that must be implemented by each platform we
// support. It should ideally output the error message in a human readable
// format to the developer.
static void platformRecord(EventSeverity severity, Event event, int64_t code, const std::string &msg);
};
}

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@@ -1,9 +1,9 @@
#include <mbgl/mbgl.hpp>
#include <mbgl/util/uv.hpp>
#include <mbgl/platform/log.hpp>
#include <mbgl/platform/platform.hpp>
#include <mbgl/platform/default/settings_json.hpp>
#include <mbgl/platform/default/glfw_view.hpp>
#include <mbgl/platform/default/log_stderr.hpp>
#include <mbgl/storage/default_file_source.hpp>
#include <mbgl/storage/default/sqlite_cache.hpp>
@@ -26,8 +26,6 @@ void quit_handler(int) {
}
int main(int argc, char *argv[]) {
mbgl::Log::Set<mbgl::StderrLogBackend>();
int fullscreen_flag = 0;
std::string style;

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@@ -1,6 +1,6 @@
#include <mbgl/platform/log.hpp>
#include <mbgl/platform/platform.hpp>
#include <mbgl/platform/darwin/settings_nsuserdefaults.hpp>
#include <mbgl/platform/darwin/log_nslog.hpp>
#include <mbgl/platform/darwin/Reachability.h>
#include <mbgl/platform/default/glfw_view.hpp>
#include <mbgl/storage/default_file_source.hpp>
@@ -101,8 +101,6 @@ const std::string &defaultCacheDatabase() {
}
int main() {
mbgl::Log::Set<mbgl::NSLogBackend>();
GLFWView view;
mbgl::SQLiteCache cache(defaultCacheDatabase());

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@@ -1,7 +1,5 @@
#include <mbgl/platform/android/log_android.hpp>
#include <mbgl/platform/log.hpp>
#include <iostream>
#include <cstdarg>
#define __STDC_FORMAT_MACROS // NDK bug workaround: https://code.google.com/p/android/issues/detail?id=72349
#include <cinttypes>
@@ -9,7 +7,9 @@
namespace mbgl {
int AndroidLogBackend::severityToPriority(EventSeverity severity) {
namespace {
int severityToPriority(EventSeverity severity) {
switch(severity) {
case EventSeverity::Debug:
return ANDROID_LOG_DEBUG;
@@ -28,31 +28,9 @@ int AndroidLogBackend::severityToPriority(EventSeverity severity) {
}
}
void AndroidLogBackend::record(EventSeverity severity, Event event, const std::string &msg) {
__android_log_print(severityToPriority(severity), EventClass(event).c_str(), "%s", msg.c_str());
}
} // namespace
void AndroidLogBackend::record(EventSeverity severity, Event event, const char* format, ...) {
va_list args;
va_start(args, format);
const int len = vsnprintf(nullptr, 0, format, args) + 1;
char* buf = new char[len];
vsnprintf(buf, len, format, args);
va_end(args);
__android_log_print(severityToPriority(severity), EventClass(event).c_str(), "%s", buf);
delete buf;
buf = nullptr;
}
void AndroidLogBackend::record(EventSeverity severity, Event event, int64_t code) {
__android_log_print(severityToPriority(severity), EventClass(event).c_str(), "(%" PRId64 ")", code);
}
void AndroidLogBackend::record(EventSeverity severity, Event event, int64_t code, const std::string &msg) {
void Log::platformRecord(EventSeverity severity, Event event, int64_t code, const std::string &msg) {
__android_log_print(severityToPriority(severity), EventClass(event).c_str(), "(%" PRId64 ") %s", code, msg.c_str());
}

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@@ -1,37 +1,11 @@
#include <mbgl/platform/darwin/log_nslog.hpp>
#include <mbgl/platform/log.hpp>
#import <Foundation/Foundation.h>
#include <cstdarg>
namespace mbgl {
void NSLogBackend::record(EventSeverity severity, Event event, const std::string &msg) {
NSString *message =
[[NSString alloc] initWithBytes:msg.data() length:msg.size() encoding:NSUTF8StringEncoding];
NSLog(@"[%s] %s: %@", EventSeverityClass(severity).c_str(), EventClass(event).c_str(), message);
}
void NSLogBackend::record(EventSeverity severity, Event event, const char *format, ...) {
va_list args;
va_start(args, format);
const size_t len = vsnprintf(NULL, 0, format, args);
va_end(args);
std::unique_ptr<char[]> buffer(new char[len + 1]);
va_start(args, format);
vsnprintf(buffer.get(), len + 1, format, args);
va_end(args);
NSLog(@"[%s] %s: %s", EventSeverityClass(severity).c_str(), EventClass(event).c_str(),
buffer.get());
}
void NSLogBackend::record(EventSeverity severity, Event event, int64_t code) {
NSLog(@"[%s] %s: (%lld)", EventSeverityClass(severity).c_str(), EventClass(event).c_str(),
code);
}
void NSLogBackend::record(EventSeverity severity, Event event, int64_t code,
const std::string &msg) {
void Log::platformRecord(EventSeverity severity, Event event, int64_t code,
const std::string &msg) {
NSString *message =
[[NSString alloc] initWithBytes:msg.data() length:msg.size() encoding:NSUTF8StringEncoding];
NSLog(@"[%s] %s: (%lld) %@", EventSeverityClass(severity).c_str(), EventClass(event).c_str(),

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@@ -1,30 +1,11 @@
#include <mbgl/platform/default/log_stderr.hpp>
#include <mbgl/platform/log.hpp>
#include <iostream>
#include <cstdarg>
namespace mbgl {
void StderrLogBackend::record(EventSeverity severity, Event event, const std::string &msg) {
std::cerr << "[" << severity << "] " << event << ": " << msg << std::endl;
}
void StderrLogBackend::record(EventSeverity severity, Event event, const char* format, ...) {
std::cerr << "[" << severity << "] " << event << ": ";
va_list args;
va_start(args, format);
vfprintf(stderr, format, args);
va_end(args);
std::cerr << std::endl;
}
void StderrLogBackend::record(EventSeverity severity, Event event, int64_t code) {
std::cerr << "[" << severity << "] " << event << ": (" << code << ")" << std::endl;
}
void StderrLogBackend::record(EventSeverity severity, Event event, int64_t code, const std::string &msg) {
void Log::platformRecord(EventSeverity severity, Event event, int64_t code, const std::string &msg) {
std::cerr << "[" << severity << "] " << event << ": (" << code << ") " << msg << std::endl;
}
}

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@@ -1,6 +1,6 @@
#import "MGLMapView.h"
#import <mbgl/platform/darwin/log_nslog.hpp>
#import <mbgl/platform/log.hpp>
#import <mbgl/platform/gl.hpp>
#import <GLKit/GLKit.h>
@@ -181,10 +181,6 @@ mbgl::DefaultFileSource *mbglFileSource = nullptr;
- (BOOL)commonInit
{
// set logging backend
//
mbgl::Log::Set<mbgl::NSLogBackend>();
// create context
//
_context = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2];

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@@ -1,7 +1,43 @@
#include <mbgl/platform/log.hpp>
#include <cstdarg>
namespace mbgl {
std::unique_ptr<LogBackend> Log::Backend;
namespace {
static std::unique_ptr<Log::Observer> currentObserver;
}
void Log::setObserver(std::unique_ptr<Observer> observer) {
currentObserver = std::move(observer);
}
void Log::record(EventSeverity severity, Event event, const std::string &msg) {
record(severity, event, -1, msg);
}
void Log::record(EventSeverity severity, Event event, const char* format, ...) {
va_list args;
va_start(args, format);
char msg[4096];
vsnprintf(msg, sizeof(msg), format, args);
va_end(args);
record(severity, event, -1, msg);
}
void Log::record(EventSeverity severity, Event event, int64_t code) {
record(severity, event, code, std::string());
}
void Log::record(EventSeverity severity, Event event, int64_t code, const std::string &msg) {
if (currentObserver && currentObserver->onRecord(severity, event, code, msg)) {
return;
}
platformRecord(severity, event, code, msg);
}
}

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@@ -1,96 +0,0 @@
#include "fixture_log.hpp"
namespace mbgl {
FixtureLogBackend::LogMessage::LogMessage(EventSeverity severity_, Event event_, int64_t code_,
const std::string &msg_)
: severity(severity_), event(event_), code(code_), msg(msg_) {
}
FixtureLogBackend::LogMessage::LogMessage(EventSeverity severity_, Event event_, int64_t code_)
: severity(severity_), event(event_), code(code_), msg() {
}
FixtureLogBackend::LogMessage::LogMessage(EventSeverity severity_, Event event_,
const std::string &msg_)
: severity(severity_), event(event_), code(), msg(msg_) {
}
FixtureLogBackend::LogMessage::LogMessage(EventSeverity severity_, Event event_)
: severity(severity_), event(event_), code(), msg() {
}
bool FixtureLogBackend::LogMessage::operator==(const LogMessage &rhs) const {
return (!severity || !rhs.severity || severity.get() == rhs.severity.get()) &&
(!event || !rhs.event || event.get() == rhs.event.get()) &&
(!code || !rhs.code || code.get() == rhs.code.get()) &&
(!msg || !rhs.msg || msg.get() == rhs.msg.get());
}
FixtureLogBackend::~FixtureLogBackend() {
std::cerr << unchecked();
}
void FixtureLogBackend::record(EventSeverity severity, Event event, const std::string &msg) {
messages.emplace_back(severity, event, msg);
}
void FixtureLogBackend::record(EventSeverity severity, Event event, const char *format, ...) {
va_list args;
va_start(args, format);
const size_t len = vsnprintf(NULL, 0, format, args);
va_end(args);
std::unique_ptr<char[]> buffer(new char[len + 1]);
va_start(args, format);
vsnprintf(buffer.get(), len + 1, format, args);
va_end(args);
messages.emplace_back(severity, event, std::string{ buffer.get(), len });
}
void FixtureLogBackend::record(EventSeverity severity, Event event, int64_t code) {
messages.emplace_back(severity, event, code);
}
void FixtureLogBackend::record(EventSeverity severity, Event event, int64_t code,
const std::string &msg) {
messages.emplace_back(severity, event, code, msg);
}
size_t FixtureLogBackend::count(const LogMessage &message) const {
size_t message_count = 0;
for (const LogMessage &msg : messages) {
if (msg == message) {
message_count++;
msg.checked = true;
}
}
return message_count;
}
std::vector<FixtureLogBackend::LogMessage> FixtureLogBackend::unchecked() const {
std::vector<LogMessage> unchecked_messages;
for (const LogMessage &msg : messages) {
if (!msg.checked) {
unchecked_messages.push_back(msg);
msg.checked = true;
}
}
return unchecked_messages;
}
::std::ostream &operator<<(::std::ostream &os,
const std::vector<FixtureLogBackend::LogMessage> &messages) {
for (const FixtureLogBackend::LogMessage &message : messages) {
os << "- " << message;
}
return os;
}
::std::ostream &operator<<(::std::ostream &os, const FixtureLogBackend::LogMessage &message) {
os << "[\"" << message.severity.get() << "\", \"" << message.event.get() << "\"";
if (message.code)
os << ", " << message.code.get();
if (message.msg)
os << ", \"" << message.msg.get() << "\"";
return os << "]" << std::endl;
}
}

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@@ -1,52 +0,0 @@
#ifndef MBGL_TEST_FIXTURE_LOG
#define MBGL_TEST_FIXTURE_LOG
#include <mbgl/platform/log.hpp>
#include <mbgl/util/noncopyable.hpp>
#include <mbgl/util/optional.hpp>
#include <vector>
#include <cstdarg>
#include <iostream>
namespace mbgl {
class FixtureLogBackend : public LogBackend, private util::noncopyable {
public:
struct LogMessage {
LogMessage(EventSeverity severity_, Event event_, int64_t code_, const std::string &msg_);
LogMessage(EventSeverity severity_, Event event_, int64_t code_);
LogMessage(EventSeverity severity_, Event event_, const std::string &msg_);
LogMessage(EventSeverity severity_, Event event_);
bool operator==(const LogMessage &rhs) const;
const mapbox::util::optional<EventSeverity> severity;
const mapbox::util::optional<Event> event;
const mapbox::util::optional<int64_t> code;
const mapbox::util::optional<std::string> msg;
mutable bool checked = false;
};
~FixtureLogBackend();
inline void record(EventSeverity severity, Event event, const std::string &msg);
inline void record(EventSeverity severity, Event event, const char *format, ...);
inline void record(EventSeverity severity, Event event, int64_t code);
inline void record(EventSeverity severity, Event event, int64_t code, const std::string &msg);
size_t count(const LogMessage &message) const;
std::vector<LogMessage> unchecked() const;
public:
std::vector<LogMessage> messages;
};
::std::ostream &operator<<(::std::ostream &os,
const std::vector<FixtureLogBackend::LogMessage> &messages);
::std::ostream &operator<<(::std::ostream &os, const FixtureLogBackend::LogMessage &message);
}
#endif

68
test/fixtures/fixture_log_observer.cpp vendored Normal file
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@@ -0,0 +1,68 @@
#include "fixture_log_observer.hpp"
#include "../fixtures/util.hpp"
namespace mbgl {
FixtureLogObserver::LogMessage::LogMessage(EventSeverity severity_, Event event_, int64_t code_,
const std::string &msg_)
: severity(severity_), event(event_), code(code_), msg(msg_) {
}
bool FixtureLogObserver::LogMessage::operator==(const LogMessage &rhs) const {
return (!severity || !rhs.severity || severity.get() == rhs.severity.get()) &&
(!event || !rhs.event || event.get() == rhs.event.get()) &&
(!code || !rhs.code || code.get() == rhs.code.get()) &&
(!msg || !rhs.msg || msg.get() == rhs.msg.get());
}
FixtureLogObserver::~FixtureLogObserver() {
std::cerr << unchecked();
}
bool FixtureLogObserver::onRecord(EventSeverity severity, Event event, int64_t code,
const std::string &msg) {
messages.emplace_back(severity, event, code, msg);
return true;
}
size_t FixtureLogObserver::count(const LogMessage &message) const {
size_t message_count = 0;
for (const LogMessage &msg : messages) {
if (msg == message) {
message_count++;
msg.checked = true;
}
}
return message_count;
}
std::vector<FixtureLogObserver::LogMessage> FixtureLogObserver::unchecked() const {
std::vector<LogMessage> unchecked_messages;
for (const LogMessage &msg : messages) {
if (!msg.checked) {
unchecked_messages.push_back(msg);
msg.checked = true;
}
}
return unchecked_messages;
}
::std::ostream &operator<<(::std::ostream &os,
const std::vector<FixtureLogObserver::LogMessage> &messages) {
for (const FixtureLogObserver::LogMessage &message : messages) {
os << "- " << message;
}
return os;
}
::std::ostream &operator<<(::std::ostream &os, const FixtureLogObserver::LogMessage &message) {
os << "[\"" << message.severity.get() << "\", \"" << message.event.get() << "\"";
if (message.code)
os << ", " << message.code.get();
if (message.msg)
os << ", \"" << message.msg.get() << "\"";
return os << "]" << std::endl;
}
}

47
test/fixtures/fixture_log_observer.hpp vendored Normal file
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@@ -0,0 +1,47 @@
#ifndef MBGL_TEST_FIXTURE_LOG_OBSERVER
#define MBGL_TEST_FIXTURE_LOG_OBSERVER
#include <mbgl/platform/log.hpp>
#include <mbgl/util/noncopyable.hpp>
#include <mbgl/util/optional.hpp>
#include <vector>
#include <cstdarg>
#include <iostream>
namespace mbgl {
class FixtureLogObserver : public Log::Observer, private util::noncopyable {
public:
struct LogMessage {
LogMessage(EventSeverity severity_, Event event_, int64_t code_, const std::string &msg_);
bool operator==(const LogMessage &rhs) const;
const mapbox::util::optional<EventSeverity> severity;
const mapbox::util::optional<Event> event;
const mapbox::util::optional<int64_t> code;
const mapbox::util::optional<std::string> msg;
mutable bool checked = false;
};
~FixtureLogObserver();
// Log::Observer implementation
virtual bool onRecord(EventSeverity severity, Event event, int64_t code, const std::string &msg) override;
size_t count(const LogMessage &message) const;
std::vector<LogMessage> unchecked() const;
public:
std::vector<LogMessage> messages;
};
::std::ostream &operator<<(::std::ostream &os,
const std::vector<FixtureLogObserver::LogMessage> &messages);
::std::ostream &operator<<(::std::ostream &os, const FixtureLogObserver::LogMessage &message);
}
#endif

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@@ -1,5 +1,5 @@
#include "../fixtures/util.hpp"
#include "../fixtures/fixture_log.hpp"
#include "../fixtures/fixture_log_observer.hpp"
#include <mbgl/map/map.hpp>
#include <mbgl/util/image.hpp>
@@ -101,7 +101,7 @@ TEST_P(HeadlessTest, render) {
ASSERT_FALSE(infoDoc.HasParseError());
ASSERT_TRUE(infoDoc.IsObject());
Log::Set<FixtureLogBackend>();
Log::setObserver(util::make_unique<FixtureLogObserver>());
Log::Info(Event::General, "test fixture %s", base.c_str());

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@@ -5,7 +5,7 @@
#include <rapidjson/document.h>
#include "../fixtures/fixture_log.hpp"
#include "../fixtures/fixture_log_observer.hpp"
#include <iostream>
#include <fstream>
@@ -36,7 +36,8 @@ TEST_P(StyleParserTest, ParseStyle) {
std::stringstream stylejson;
stylejson << stylefile.rdbuf();
const FixtureLogBackend &log = Log::Set<FixtureLogBackend>();
FixtureLogObserver* observer = new FixtureLogObserver();
Log::setObserver(std::unique_ptr<Log::Observer>(observer));
Style style;
style.loadJSON((const uint8_t *)stylejson.str().c_str());
@@ -54,17 +55,18 @@ TEST_P(StyleParserTest, ParseStyle) {
ASSERT_EQ(true, js_entry.IsArray());
const uint32_t count = js_entry[rapidjson::SizeType(0)].GetUint();
const FixtureLogBackend::LogMessage message {
const FixtureLogObserver::LogMessage message {
EventSeverityClass(js_entry[rapidjson::SizeType(1)].GetString()),
EventClass(js_entry[rapidjson::SizeType(2)].GetString()),
int64_t(-1),
js_entry[rapidjson::SizeType(3)].GetString()
};
EXPECT_EQ(count, log.count(message)) << "Message: " << message << std::endl;
EXPECT_EQ(count, observer->count(message)) << "Message: " << message << std::endl;
}
}
const auto &unchecked = log.unchecked();
const auto &unchecked = observer->unchecked();
if (unchecked.size()) {
std::cerr << "Unchecked Log Messages (" << base << "/" << name << "): " << std::endl << unchecked;
}

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@@ -32,8 +32,8 @@
'fixtures/main.cpp',
'fixtures/util.hpp',
'fixtures/util.cpp',
'fixtures/fixture_log.hpp',
'fixtures/fixture_log.cpp',
'fixtures/fixture_log_observer.hpp',
'fixtures/fixture_log_observer.cpp',
'headless/headless.cpp',