granicus.if.org Git - postgresql/blob - 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) 1996-2017, 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 "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         size_t          offset = 0;
  37         char       *appnameenv;
  38
  39         /*
  40          * Look for files in the output dir first, consistent with a vpath search.
  41          * This is mainly to create more reasonable error messages if the file is
  42          * not found.  It also allows local test overrides when running pg_regress
  43          * outside of the source tree.
  44          */
  45         snprintf(infile, sizeof(infile), "%s/sql/%s.sql",
  46                          outputdir, testname);
  47         if (!file_exists(infile))
  48                 snprintf(infile, sizeof(infile), "%s/sql/%s.sql",
  49                                  inputdir, testname);
  50
  51         snprintf(outfile, sizeof(outfile), "%s/results/%s.out",
  52                          outputdir, testname);
  53
  54         snprintf(expectfile, sizeof(expectfile), "%s/expected/%s.out",
  55                          outputdir, testname);
  56         if (!file_exists(expectfile))
  57                 snprintf(expectfile, sizeof(expectfile), "%s/expected/%s.out",
  58                                  inputdir, testname);
  59
  60         add_stringlist_item(resultfiles, outfile);
  61         add_stringlist_item(expectfiles, expectfile);
  62
  63         if (launcher)
  64                 offset += snprintf(psql_cmd + offset, sizeof(psql_cmd) - offset,
  65                                                    "%s ", launcher);
  66
  67         appnameenv = psprintf("PGAPPNAME=pg_regress/%s", testname);
  68         putenv(appnameenv);
  69
  70         snprintf(psql_cmd + offset, sizeof(psql_cmd) - offset,
  71                          "\"%s%spsql\" -X -a -q -d \"%s\" < \"%s\" > \"%s\" 2>&1",
  72                          bindir ? bindir : "",
  73                          bindir ? "/" : "",
  74                          dblist->str,
  75                          infile,
  76                          outfile);
  77
  78         pid = spawn_process(psql_cmd);
  79
  80         if (pid == INVALID_PID)
  81         {
  82                 fprintf(stderr, _("could not start process for test %s\n"),
  83                                 testname);
  84                 exit(2);
  85         }
  86
  87         unsetenv("PGAPPNAME");
  88         free(appnameenv);
  89
  90         return pid;
  91 }
  92
  93 static void
  94 psql_init(int argc, char **argv)
  95 {
  96         /* set default regression database name */
  97         add_stringlist_item(&dblist, "regression");
  98 }
  99
 100 int
 101 main(int argc, char *argv[])
 102 {
 103         return regression_main(argc, argv, psql_init, psql_start_test);
 104 }