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/*
* Utility functions to test message handling.
*
* These functions set up a message handler to trap warn and notice output
* into a buffer that can be inspected later, allowing testing of error
* handling.
*
* The canonical version of this file is maintained in the rra-c-util package,
* which can be found at <http://www.eyrie.org/~eagle/software/rra-c-util/>.
*
* Copyright 2002, 2004, 2005 Russ Allbery <eagle@eyrie.org>
* Copyright 2006, 2007, 2009, 2012, 2014
* The Board of Trustees of the Leland Stanford Junior University
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <config.h>
#include <portable/system.h>
#include <tests/tap/macros.h>
#include <tests/tap/messages.h>
#include <tests/tap/string.h>
#include <util/messages.h>
/* A global buffer into which message_log_buffer stores error messages. */
char *errors = NULL;
/*
* An error handler that appends all errors to the errors global. Used by
* error_capture.
*/
static void
message_log_buffer(int len UNUSED, const char *fmt, va_list args,
int error UNUSED)
{
char *message;
bvasprintf(&message, fmt, args);
if (errors == NULL)
basprintf(&errors, "%s\n", message);
else {
char *new_errors;
basprintf(&new_errors, "%s%s\n", errors, message);
free(errors);
errors = new_errors;
}
free(message);
}
/*
* Turn on the capturing of errors. Errors will be stored in the global
* errors variable where they can be checked by the test suite. Capturing is
* turned off with errors_uncapture.
*/
void
errors_capture(void)
{
free(errors);
errors = NULL;
message_handlers_warn(1, message_log_buffer);
message_handlers_notice(1, message_log_buffer);
}
/*
* Turn off the capturing of errors again.
*/
void
errors_uncapture(void)
{
message_handlers_warn(1, message_log_stderr);
message_handlers_notice(1, message_log_stdout);
}
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