src/test/regress/pg_regress_main.c

   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) 1996-2008, PostgreSQL Global Development Group
  12  * Portions Copyright (c) 1994, Regents of the University of California
  13  *
  14  * $PostgreSQL$
  15  *
  16  *-------------------------------------------------------------------------
  17  */
  18
  19 #include "pg_regress.h"
  20
  21 /*
  22  * start a psql test process for specified file (including redirection),
  23  * and return process ID
  24  */
  25 static PID_TYPE
  26 psql_start_test(const char *testname,
  27                                 _stringlist ** resultfiles,
  28                                 _stringlist ** expectfiles,
  29                                 _stringlist ** tags)
  30 {
  31         PID_TYPE        pid;
  32         char            infile[MAXPGPATH];
  33         char            outfile[MAXPGPATH];
  34         char            expectfile[MAXPGPATH];
  35         char            psql_cmd[MAXPGPATH * 3];
  36
  37         /*
  38          * Look for files in the output dir first, consistent with a vpath
  39          * search.  This is mainly to create more reasonable error
  40          * messages if the file is not found.  It also allows local test
  41          * overrides when running pg_regress outside of the source tree.
  42          */
  43         snprintf(infile, sizeof(infile), "%s/sql/%s.sql",
  44                          outputdir, testname);
  45         if (!file_exists(infile))
  46                 snprintf(infile, sizeof(infile), "%s/sql/%s.sql",
  47                                  inputdir, testname);
  48
  49         snprintf(outfile, sizeof(outfile), "%s/results/%s.out",
  50                          outputdir, testname);
  51
  52         snprintf(expectfile, sizeof(expectfile), "%s/expected/%s.out",
  53                          outputdir, testname);
  54         if (!file_exists(expectfile))
  55                 snprintf(expectfile, sizeof(expectfile), "%s/expected/%s.out",
  56                                  inputdir, testname);
  57
  58         add_stringlist_item(resultfiles, outfile);
  59         add_stringlist_item(expectfiles, expectfile);
  60
  61         snprintf(psql_cmd, sizeof(psql_cmd),
  62                          SYSTEMQUOTE "\"%s%spsql\" -X -a -q -d \"%s\" < \"%s\" > \"%s\" 2>&1" SYSTEMQUOTE,
  63                          psqldir ? psqldir : "",
  64                          psqldir ? "/" : "",
  65                          dblist->str,
  66                          infile,
  67                          outfile);
  68
  69         pid = spawn_process(psql_cmd);
  70
  71         if (pid == INVALID_PID)
  72         {
  73                 fprintf(stderr, _("could not start process for test %s\n"),
  74                                 testname);
  75                 exit_nicely(2);
  76         }
  77
  78         return pid;
  79 }
  80
  81 static void
  82 psql_init(void)
  83 {
  84         /* set default regression database name */
  85         add_stringlist_item(&dblist, "regression");
  86 }
  87
  88 int
  89 main(int argc, char *argv[])
  90 {
  91         return regression_main(argc, argv, psql_init, psql_start_test);
  92 }