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Break out TestRecorder class as CaptureLog into wrapllerrs.h. 

Giving more unit tests the ability to capture and examine log output is
generally useful. Renaming the class just makes it less ambiguous: what's a
TestRecorder? Something that records tests?
meow-7.2.2
Nat Goodspeed 2012-03-01 13:43:52 -05:00
parent 40dc3e0d3b
commit 2596816f31
2 changed files with 71 additions and 68 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

74
indra/llcommon/tests/llprocess_test.cpp
View File

@ -35,7 +35,7 @@
#include "stringize.h"
#include "llsdutil.h"
#include "llevents.h"
#include "llerrorcontrol.h"
#include "wrapllerrs.h"
#if defined(LL_WINDOWS)
#define sleep(secs) _sleep((secs) * 1000)
@ -233,68 +233,6 @@ private:
std::string mPath;
};
// statically reference the function in test.cpp... it's short, we could
// replicate, but better to reuse
extern void wouldHaveCrashed(const std::string& message);
/**
* Capture log messages. This is adapted (simplified) from the one in
* llerror_test.cpp. Sigh, should've broken that out into a separate header
* file, but time for this project is short...
*/
class TestRecorder : public LLError::Recorder
{
public:
TestRecorder():
// Mostly what we're trying to accomplish by saving and resetting
// LLError::Settings is to bypass the default RecordToStderr and
// RecordToWinDebug Recorders. As these are visible only inside
// llerror.cpp, we can't just call LLError::removeRecorder() with
// each. For certain tests we need to produce, capture and examine
// DEBUG log messages -- but we don't want to spam the user's console
// with that output. If it turns out that saveAndResetSettings() has
// some bad effect, give up and just let the DEBUG level log messages
// display.
mOldSettings(LLError::saveAndResetSettings())
{
LLError::setFatalFunction(wouldHaveCrashed);
LLError::setDefaultLevel(LLError::LEVEL_DEBUG);
LLError::addRecorder(this);
}
~TestRecorder()
{
LLError::removeRecorder(this);
LLError::restoreSettings(mOldSettings);
}
void recordMessage(LLError::ELevel level,
const std::string& message)
{
mMessages.push_back(message);
}
/// Don't assume the message we want is necessarily the LAST log message
/// emitted by the underlying code; search backwards through all messages
/// for the sought string.
std::string messageWith(const std::string& search)
{
for (std::list<std::string>::const_reverse_iterator rmi(mMessages.rbegin()),
rmend(mMessages.rend());
rmi != rmend; ++rmi)
{
if (rmi->find(search) != std::string::npos)
return *rmi;
}
// failed to find any such message
return std::string();
}
typedef std::list<std::string> MessageList;
MessageList mMessages;
LLError::Settings* mOldSettings;
};
/*****************************************************************************
* TUT
*****************************************************************************/
@ -843,7 +781,7 @@ namespace tut
void object::test<10>()
{
set_test_name("'bogus' test");
TestRecorder recorder;
CaptureLog recorder;
PythonProcessLauncher py(get_test_name(),
"print 'Hello world'\n");
py.mParams.files.add(LLProcess::FileParam("bogus"));
@ -874,7 +812,7 @@ namespace tut
set_test_name("'tpipe' test");
// Replace this test with one or more real 'tpipe' tests when we
// implement 'tpipe' support
TestRecorder recorder;
CaptureLog recorder;
PythonProcessLauncher py(get_test_name(),
"print 'Hello world'\n");
py.mParams.files.add(LLProcess::FileParam());
@ -892,7 +830,7 @@ namespace tut
set_test_name("'npipe' test");
// Replace this test with one or more real 'npipe' tests when we
// implement 'npipe' support
TestRecorder recorder;
CaptureLog recorder;
PythonProcessLauncher py(get_test_name(),
"print 'Hello world'\n");
py.mParams.files.add(LLProcess::FileParam());
@ -909,7 +847,7 @@ namespace tut
void object::test<14>()
{
set_test_name("internal pipe name warning");
TestRecorder recorder;
CaptureLog recorder;
PythonProcessLauncher py(get_test_name(),
"import sys\n"
"sys.exit(7)\n");
@ -965,7 +903,7 @@ namespace tut
#define EXPECT_FAIL_WITH_LOG(EXPECT, CODE) \
do \
{ \
TestRecorder recorder; \
CaptureLog recorder; \
ensure(#CODE " succeeded", ! (CODE)); \
ensure("wrong log message", ! recorder.messageWith(EXPECT).empty()); \
} while (0)

65
indra/llcommon/tests/wrapllerrs.h
View File

@ -30,6 +30,14 @@
#define LL_WRAPLLERRS_H
#include "llerrorcontrol.h"
#include <boost/bind.hpp>
#include <list>
#include <string>
#include <stdexcept>
// statically reference the function in test.cpp... it's short, we could
// replicate, but better to reuse
extern void wouldHaveCrashed(const std::string& message);
struct WrapLL_ERRS
{
@ -70,4 +78,61 @@ struct WrapLL_ERRS
LLError::FatalFunction mPriorFatal;
};
/**
* Capture log messages. This is adapted (simplified) from the one in
* llerror_test.cpp.
*/
class CaptureLog : public LLError::Recorder
{
public:
CaptureLog():
// Mostly what we're trying to accomplish by saving and resetting
// LLError::Settings is to bypass the default RecordToStderr and
// RecordToWinDebug Recorders. As these are visible only inside
// llerror.cpp, we can't just call LLError::removeRecorder() with
// each. For certain tests we need to produce, capture and examine
// DEBUG log messages -- but we don't want to spam the user's console
// with that output. If it turns out that saveAndResetSettings() has
// some bad effect, give up and just let the DEBUG level log messages
// display.
mOldSettings(LLError::saveAndResetSettings())
{
LLError::setFatalFunction(wouldHaveCrashed);
LLError::setDefaultLevel(LLError::LEVEL_DEBUG);
LLError::addRecorder(this);
}
~CaptureLog()
{
LLError::removeRecorder(this);
LLError::restoreSettings(mOldSettings);
}
void recordMessage(LLError::ELevel level,
const std::string& message)
{
mMessages.push_back(message);
}
/// Don't assume the message we want is necessarily the LAST log message
/// emitted by the underlying code; search backwards through all messages
/// for the sought string.
std::string messageWith(const std::string& search)
{
for (std::list<std::string>::const_reverse_iterator rmi(mMessages.rbegin()),
rmend(mMessages.rend());
rmi != rmend; ++rmi)
{
if (rmi->find(search) != std::string::npos)
return *rmi;
}
// failed to find any such message
return std::string();
}
typedef std::list<std::string> MessageList;
MessageList mMessages;
LLError::Settings* mOldSettings;
};
#endif /* ! defined(LL_WRAPLLERRS_H) */