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/* Copyright (c) 2001-2018 Dovecot authors, see the included COPYING file */
/* Unit tests for failure helpers */
#include "test-lib.h"
#include "hostpid.h"
#include "istream.h"
#include "failures.h"
#include <unistd.h>
static int handlers_set_me;
static void test_failures_handler(const struct failure_context *ctx,
const char *format ATTR_UNUSED,
va_list args ATTR_UNUSED)
{
handlers_set_me = ctx->type;
}
static void test_get_set_handlers(void)
{
failure_callback_t *handlers[4];
test_begin("get_handlers");
i_get_failure_handlers(handlers, handlers+1, handlers+2, handlers+3);
test_end();
test_begin("set_handlers");
i_set_debug_handler(&test_failures_handler);
i_debug("If you see this debug, something's gone wrong");
test_assert(handlers_set_me == LOG_TYPE_DEBUG);
i_set_debug_handler(handlers[3]);
i_set_info_handler(&test_failures_handler);
i_info("If you see this info, something's gone wrong");
test_assert(handlers_set_me == LOG_TYPE_INFO);
i_set_info_handler(handlers[2]);
i_set_error_handler(&test_failures_handler);
i_warning("If you see this warning, something's gone wrong");
test_assert(handlers_set_me == LOG_TYPE_WARNING);
i_error("If you see this error, something's gone wrong");
test_assert(handlers_set_me == LOG_TYPE_ERROR);
i_set_error_handler(handlers[1]);
//i_set_fatal_handler(&test_failures_handler);
//i_fatal("If you see this fatal, something's gone wrong");
//test_assert(handlers_set_me == LOG_TYPE_FATAL);
//i_set_fatal_handler(handlers[0]);
test_end();
}
static void test_expected(void)
{
test_begin("expected messages");
test_expect_errors(1);
i_warning("deliberate warning - not suppressed");
test_expect_no_more_errors();
test_end();
}
static void test_expected_str(void)
{
test_begin("expected strings in messages");
test_expect_error_string("be unhappy");
i_error("deliberate error - suppressed - be unhappy if you see this");
test_expect_no_more_errors();
test_end();
}
static bool
internal_line_match(const char *line, const char *prefix, const char *text)
{
if (line == NULL)
return FALSE;
if (line[0] != '\001')
return FALSE;
uint8_t type = (uint8_t)line[1];
if (type != ((LOG_TYPE_DEBUG+1) | 0x80))
return FALSE;
line += 2;
if (!str_begins(line, "123 "))
return FALSE;
line += 4;
if (!str_begins(line, prefix))
return FALSE;
line += strlen(prefix);
return strcmp(line, text) == 0;
}
static void test_internal_split(void)
{
int fd[2];
test_begin("splitting long internal log lines");
char long_log_prefix[PIPE_BUF+1];
memset(long_log_prefix, 'X', sizeof(long_log_prefix)-1);
long_log_prefix[sizeof(long_log_prefix)-1] = '\0';
#define TEXT10 "tttttttttt"
#define TEXT128 TEXT10 TEXT10 TEXT10 TEXT10 TEXT10 TEXT10 TEXT10 TEXT10 \
TEXT10 TEXT10 TEXT10 TEXT10 "tttttttt"
char long_lext[PIPE_BUF*2+1];
memset(long_lext, 'T', sizeof(long_lext)-1);
long_lext[sizeof(long_lext)-1] = '\0';
if (pipe(fd) < 0)
i_fatal("pipe() failed: %m");
switch (fork()) {
case (pid_t)-1:
i_fatal("fork() failed: %m");
case 0:
/* child - log writer */
if (dup2(fd[1], STDERR_FILENO) < 0)
i_fatal("dup2() failed: %m");
i_close_fd(&fd[0]);
i_close_fd(&fd[1]);
struct failure_context ctx = {
.type = LOG_TYPE_DEBUG,
.log_prefix = long_log_prefix,
};
i_set_failure_internal();
my_pid = "123";
i_log_type(&ctx, "little text");
i_log_type(&ctx, TEXT128 TEXT128 TEXT128);
ctx.log_prefix = "";
i_log_type(&ctx, "%s", long_lext);
test_exit(0);
case 1:
/* parent - log reader */
i_close_fd(&fd[1]);
break;
}
alarm(10);
struct istream *input = i_stream_create_fd(fd[0], SIZE_MAX);
/* long prefix, little text */
const char *line = i_stream_read_next_line(input);
test_assert(internal_line_match(line, long_log_prefix, "little text"));
/* long prefix, text split to multiple lines */
for (unsigned int i = 0; i < 3; i++) {
line = i_stream_read_next_line(input);
test_assert(internal_line_match(line, long_log_prefix, TEXT128));
}
/* no prefix, just lots of text */
line = i_stream_read_next_line(input);
long_lext[PIPE_BUF-7] = '\0';
test_assert(internal_line_match(line, "", long_lext));
line = i_stream_read_next_line(input);
test_assert(internal_line_match(line, "", long_lext));
line = i_stream_read_next_line(input);
test_assert(internal_line_match(line, "", "TTTTTTTTTTTTTT"));
i_stream_unref(&input);
alarm(0);
test_end();
}
void test_failures(void)
{
test_get_set_handlers();
test_expected();
test_expected_str();
test_internal_split();
}
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