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) 1996-2019, 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 "pg_regress.h"
22
23/*
24 * start a psql test process for specified file (including redirection),
25 * and return process ID
26 */
27static PID_TYPE
28psql_start_test(const char *testname,
29 _stringlist **resultfiles,
30 _stringlist **expectfiles,
31 _stringlist **tags)
32{
33 PID_TYPE pid;
34 char infile[MAXPGPATH];
35 char outfile[MAXPGPATH];
36 char expectfile[MAXPGPATH];
37 char psql_cmd[MAXPGPATH * 3];
38 size_t offset = 0;
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 snprintf(infile, sizeof(infile), "%s/sql/%s.sql",
48 outputdir, testname);
49 if (!file_exists(infile))
50 snprintf(infile, sizeof(infile), "%s/sql/%s.sql",
51 inputdir, testname);
52
53 snprintf(outfile, sizeof(outfile), "%s/results/%s.out",
54 outputdir, testname);
55
56 snprintf(expectfile, sizeof(expectfile), "%s/expected/%s.out",
57 outputdir, testname);
58 if (!file_exists(expectfile))
59 snprintf(expectfile, sizeof(expectfile), "%s/expected/%s.out",
60 inputdir, testname);
61
62 add_stringlist_item(resultfiles, outfile);
63 add_stringlist_item(expectfiles, expectfile);
64
65 if (launcher)
66 {
67 offset += snprintf(psql_cmd + offset, sizeof(psql_cmd) - offset,
68 "%s ", launcher);
69 if (offset >= sizeof(psql_cmd))
70 {
71 fprintf(stderr, _("command too long\n"));
72 exit(2);
73 }
74 }
75
76 /*
77 * Use HIDE_TABLEAM to hide different AMs to allow to use regression tests
78 * against different AMs without unnecessary differences.
79 */
80 offset += snprintf(psql_cmd + offset, sizeof(psql_cmd) - offset,
81 "\"%s%spsql\" -X -a -q -d \"%s\" -v %s < \"%s\" > \"%s\" 2>&1",
82 bindir ? bindir : "",
83 bindir ? "/" : "",
84 dblist->str,
85 "HIDE_TABLEAM=\"on\"",
86 infile,
87 outfile);
88 if (offset >= sizeof(psql_cmd))
89 {
90 fprintf(stderr, _("command too long\n"));
91 exit(2);
92 }
93
94 appnameenv = psprintf("PGAPPNAME=pg_regress/%s", testname);
95 putenv(appnameenv);
96
97 pid = spawn_process(psql_cmd);
98
99 if (pid == INVALID_PID)
100 {
101 fprintf(stderr, _("could not start process for test %s\n"),
102 testname);
103 exit(2);
104 }
105
106 unsetenv("PGAPPNAME");
107 free(appnameenv);
108
109 return pid;
110}
111
112static void
113psql_init(int argc, char **argv)
114{
115 /* set default regression database name */
116 add_stringlist_item(&dblist, "regression");
117}
118
119int
120main(int argc, char *argv[])
121{
122 return regression_main(argc, argv, psql_init, psql_start_test);
123}
124