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/*-------------------------------------------------------------------------
*
* pg_regress_main --- regression test for the main backend
*
* This is a C implementation of the previous shell script for running
* the regression tests, and should be mostly compatible with it.
* Initial author of C translation: Magnus Hagander
*
* This code is released under the terms of the PostgreSQL License.
*
* Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/test/regress/pg_regress_main.c
*
*-------------------------------------------------------------------------
*/
#include "postgres_fe.h"
#include "pg_regress.h"
/*
* start a psql test process for specified file (including redirection),
* and return process ID
*/
static PID_TYPE
psql_start_test(const char *testname,
_stringlist **resultfiles,
_stringlist **expectfiles,
_stringlist **tags)
{
PID_TYPE pid;
char infile[MAXPGPATH];
char outfile[MAXPGPATH];
char expectfile[MAXPGPATH];
char psql_cmd[MAXPGPATH * 3];
size_t offset = 0;
char *appnameenv;
/*
* Look for files in the output dir first, consistent with a vpath search.
* This is mainly to create more reasonable error messages if the file is
* not found. It also allows local test overrides when running pg_regress
* outside of the source tree.
*/
snprintf(infile, sizeof(infile), "%s/sql/%s.sql",
outputdir, testname);
if (!file_exists(infile))
snprintf(infile, sizeof(infile), "%s/sql/%s.sql",
inputdir, testname);
snprintf(outfile, sizeof(outfile), "%s/results/%s.out",
outputdir, testname);
snprintf(expectfile, sizeof(expectfile), "%s/expected/%s.out",
outputdir, testname);
if (!file_exists(expectfile))
snprintf(expectfile, sizeof(expectfile), "%s/expected/%s.out",
inputdir, testname);
add_stringlist_item(resultfiles, outfile);
add_stringlist_item(expectfiles, expectfile);
if (launcher)
{
offset += snprintf(psql_cmd + offset, sizeof(psql_cmd) - offset,
"%s ", launcher);
if (offset >= sizeof(psql_cmd))
{
fprintf(stderr, _("command too long\n"));
exit(2);
}
}
/*
* Use HIDE_TABLEAM to hide different AMs to allow to use regression tests
* against different AMs without unnecessary differences.
*/
offset += snprintf(psql_cmd + offset, sizeof(psql_cmd) - offset,
"\"%s%spsql\" -X -a -q -d \"%s\" %s < \"%s\" > \"%s\" 2>&1",
bindir ? bindir : "",
bindir ? "/" : "",
dblist->str,
"-v HIDE_TABLEAM=on -v HIDE_TOAST_COMPRESSION=on",
infile,
outfile);
if (offset >= sizeof(psql_cmd))
{
fprintf(stderr, _("command too long\n"));
exit(2);
}
appnameenv = psprintf("pg_regress/%s", testname);
setenv("PGAPPNAME", appnameenv, 1);
free(appnameenv);
pid = spawn_process(psql_cmd);
if (pid == INVALID_PID)
{
fprintf(stderr, _("could not start process for test %s\n"),
testname);
exit(2);
}
unsetenv("PGAPPNAME");
return pid;
}
static void
psql_init(int argc, char **argv)
{
/* set default regression database name */
add_stringlist_item(&dblist, "regression");
}
int
main(int argc, char *argv[])
{
return regression_main(argc, argv,
psql_init,
psql_start_test,
NULL /* no postfunc needed */ );
}
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