Line data    Source code

       1             : /*-------------------------------------------------------------------------
       2             :  *
       3             :  * pg_regress_main --- regression test for the main backend
       4             :  *
       5             :  * This is a C implementation of the previous shell script for running
       6             :  * the regression tests, and should be mostly compatible with it.
       7             :  * Initial author of C translation: Magnus Hagander
       8             :  *
       9             :  * This code is released under the terms of the PostgreSQL License.
      10             :  *
      11             :  * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
      12             :  * Portions Copyright (c) 1994, Regents of the University of California
      13             :  *
      14             :  * src/test/regress/pg_regress_main.c
      15             :  *
      16             :  *-------------------------------------------------------------------------
      17             :  */
      18             : 
      19             : #include "postgres_fe.h"
      20             : 
      21             : #include "lib/stringinfo.h"
      22             : #include "pg_regress.h"
      23             : 
      24             : /*
      25             :  * start a psql test process for specified file (including redirection),
      26             :  * and return process ID
      27             :  */
      28             : static PID_TYPE
      29        1976 : psql_start_test(const char *testname,
      30             :                 _stringlist **resultfiles,
      31             :                 _stringlist **expectfiles,
      32             :                 _stringlist **tags)
      33             : {
      34             :     PID_TYPE    pid;
      35             :     char        infile[MAXPGPATH];
      36             :     char        outfile[MAXPGPATH];
      37             :     char        expectfile[MAXPGPATH];
      38             :     StringInfoData psql_cmd;
      39             :     char       *appnameenv;
      40             : 
      41             :     /*
      42             :      * Look for files in the output dir first, consistent with a vpath search.
      43             :      * This is mainly to create more reasonable error messages if the file is
      44             :      * not found.  It also allows local test overrides when running pg_regress
      45             :      * outside of the source tree.
      46             :      */
      47        1976 :     snprintf(infile, sizeof(infile), "%s/sql/%s.sql",
      48             :              outputdir, testname);
      49        1976 :     if (!file_exists(infile))
      50         912 :         snprintf(infile, sizeof(infile), "%s/sql/%s.sql",
      51             :                  inputdir, testname);
      52             : 
      53        1976 :     snprintf(outfile, sizeof(outfile), "%s/results/%s.out",
      54             :              outputdir, testname);
      55             : 
      56        1976 :     snprintf(expectfile, sizeof(expectfile), "%s/expected/%s.out",
      57             :              expecteddir, testname);
      58        1976 :     if (!file_exists(expectfile))
      59         912 :         snprintf(expectfile, sizeof(expectfile), "%s/expected/%s.out",
      60             :                  inputdir, testname);
      61             : 
      62        1976 :     add_stringlist_item(resultfiles, outfile);
      63        1976 :     add_stringlist_item(expectfiles, expectfile);
      64             : 
      65        1976 :     initStringInfo(&psql_cmd);
      66             : 
      67        1976 :     if (launcher)
      68           0 :         appendStringInfo(&psql_cmd, "%s ", launcher);
      69             : 
      70             :     /*
      71             :      * Use HIDE_TABLEAM to hide different AMs to allow to use regression tests
      72             :      * against different AMs without unnecessary differences.
      73             :      */
      74        3952 :     appendStringInfo(&psql_cmd,
      75             :                      "\"%s%spsql\" -X -a -q -d \"%s\" %s < \"%s\" > \"%s\" 2>&1",
      76        1976 :                      bindir ? bindir : "",
      77        1976 :                      bindir ? "/" : "",
      78        1976 :                      dblist->str,
      79             :                      "-v HIDE_TABLEAM=on -v HIDE_TOAST_COMPRESSION=on",
      80             :                      infile,
      81             :                      outfile);
      82             : 
      83        1976 :     appnameenv = psprintf("pg_regress/%s", testname);
      84        1976 :     setenv("PGAPPNAME", appnameenv, 1);
      85        1976 :     free(appnameenv);
      86             : 
      87        1976 :     pid = spawn_process(psql_cmd.data);
      88             : 
      89        1976 :     if (pid == INVALID_PID)
      90             :     {
      91           0 :         fprintf(stderr, _("could not start process for test %s\n"),
      92             :                 testname);
      93           0 :         exit(2);
      94             :     }
      95             : 
      96        1976 :     unsetenv("PGAPPNAME");
      97             : 
      98        1976 :     pfree(psql_cmd.data);
      99             : 
     100        1976 :     return pid;
     101             : }
     102             : 
     103             : static void
     104         794 : psql_init(int argc, char **argv)
     105             : {
     106             :     /* set default regression database name */
     107         794 :     add_stringlist_item(&dblist, "regression");
     108         794 : }
     109             : 
     110             : int
     111         794 : main(int argc, char *argv[])
     112             : {
     113         794 :     return regression_main(argc, argv,
     114             :                            psql_init,
     115             :                            psql_start_test,
     116             :                            NULL /* no postfunc needed */ );
     117             : }