2 * test-run-command.c: test run command API.
4 * (C) 2009 Ilari Liusvaara <ilari.liusvaara@elisanet.fi>
6 * This code is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
11 #include "test-tool.h"
12 #include "git-compat-util.h"
13 #include "run-command.h"
14 #include "argv-array.h"
17 #include "parse-options.h"
19 static int number_callbacks;
20 static int parallel_next(struct child_process *cp,
25 struct child_process *d = cb;
26 if (number_callbacks >= 4)
29 argv_array_pushv(&cp->args, d->argv);
30 strbuf_addstr(err, "preloaded output of a child\n");
35 static int no_job(struct child_process *cp,
40 strbuf_addstr(err, "no further jobs available\n");
44 static int task_finished(int result,
49 strbuf_addstr(err, "asking for a quick stop\n");
53 static uint64_t my_random_next = 1234;
55 static uint64_t my_random(void)
57 uint64_t res = my_random_next;
58 my_random_next = my_random_next * 1103515245 + 12345;
62 static int quote_stress_test(int argc, const char **argv)
65 * We are running a quote-stress test.
66 * spawn a subprocess that runs quote-stress with a
67 * special option that echoes back the arguments that
70 char special[] = ".?*\\^_\"'`{}()[]<>@~&+:;$%"; // \t\r\n\a";
71 int i, j, k, trials = 100, skip = 0, msys2 = 0;
72 struct strbuf out = STRBUF_INIT;
73 struct argv_array args = ARGV_ARRAY_INIT;
74 struct option options[] = {
75 OPT_INTEGER('n', "trials", &trials, "Number of trials"),
76 OPT_INTEGER('s', "skip", &skip, "Skip <n> trials"),
77 OPT_BOOL('m', "msys2", &msys2, "Test quoting for MSYS2's sh"),
80 const char * const usage[] = {
81 "test-tool run-command quote-stress-test <options>",
85 argc = parse_options(argc, argv, NULL, options, usage, 0);
87 setenv("MSYS_NO_PATHCONV", "1", 0);
89 for (i = 0; i < trials; i++) {
90 struct child_process cp = CHILD_PROCESS_INIT;
91 size_t arg_count, arg_offset;
94 argv_array_clear(&args);
96 argv_array_pushl(&args, "sh", "-c",
97 "printf %s\\\\0 \"$@\"", "skip", NULL);
99 argv_array_pushl(&args, "test-tool", "run-command",
101 arg_offset = args.argc;
106 for (j = 0; j < arg_count; j++)
107 argv_array_push(&args, argv[j]);
109 arg_count = 1 + (my_random() % 5);
110 for (j = 0; j < arg_count; j++) {
113 size_t arg_len = min_len +
114 (my_random() % (ARRAY_SIZE(buf) - min_len));
116 for (k = 0; k < arg_len; k++)
117 buf[k] = special[my_random() %
118 ARRAY_SIZE(special)];
121 argv_array_push(&args, buf);
130 if (pipe_command(&cp, NULL, 0, &out, 0, NULL, 0) < 0)
131 return error("Failed to spawn child process");
133 for (j = 0, k = 0; j < arg_count; j++) {
134 const char *arg = args.argv[j + arg_offset];
136 if (strcmp(arg, out.buf + k))
137 ret = error("incorrectly quoted arg: '%s', "
138 "echoed back as '%s'",
140 k += strlen(out.buf + k) + 1;
144 ret = error("got %d bytes, but consumed only %d",
145 (int)out.len, (int)k);
148 fprintf(stderr, "Trial #%d failed. Arguments:\n", i);
149 for (j = 0; j < arg_count; j++)
150 fprintf(stderr, "arg #%d: '%s'\n",
151 (int)j, args.argv[j + arg_offset]);
153 strbuf_release(&out);
154 argv_array_clear(&args);
159 if (i && (i % 100) == 0)
160 fprintf(stderr, "Trials completed: %d\n", (int)i);
163 strbuf_release(&out);
164 argv_array_clear(&args);
169 static int quote_echo(int argc, const char **argv)
172 fwrite(argv[1], strlen(argv[1]), 1, stdout);
181 int cmd__run_command(int argc, const char **argv)
183 struct child_process proc = CHILD_PROCESS_INIT;
186 if (argc >= 2 && !strcmp(argv[1], "quote-stress-test"))
187 return !!quote_stress_test(argc - 1, argv + 1);
189 if (argc >= 2 && !strcmp(argv[1], "quote-echo"))
190 return !!quote_echo(argc - 1, argv + 1);
194 while (!strcmp(argv[1], "env")) {
196 die("env specifier without a value");
197 argv_array_push(&proc.env_array, argv[2]);
203 proc.argv = (const char **)argv + 2;
205 if (!strcmp(argv[1], "start-command-ENOENT")) {
206 if (start_command(&proc) < 0 && errno == ENOENT)
208 fprintf(stderr, "FAIL %s\n", argv[1]);
211 if (!strcmp(argv[1], "run-command"))
212 exit(run_command(&proc));
214 jobs = atoi(argv[2]);
215 proc.argv = (const char **)argv + 3;
217 if (!strcmp(argv[1], "run-command-parallel"))
218 exit(run_processes_parallel(jobs, parallel_next,
221 if (!strcmp(argv[1], "run-command-abort"))
222 exit(run_processes_parallel(jobs, parallel_next,
223 NULL, task_finished, &proc));
225 if (!strcmp(argv[1], "run-command-no-jobs"))
226 exit(run_processes_parallel(jobs, no_job,
227 NULL, task_finished, &proc));
229 fprintf(stderr, "check usage\n");