]>
git.ipfire.org Git - thirdparty/git.git/blob - t/helper/test-run-command.c
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 "git-compat-util.h"
12 #include "run-command.h"
13 #include "argv-array.h"
16 #include "parse-options.h"
18 static int number_callbacks
;
19 static int parallel_next(struct child_process
*cp
,
24 struct child_process
*d
= cb
;
25 if (number_callbacks
>= 4)
28 argv_array_pushv(&cp
->args
, d
->argv
);
29 strbuf_addstr(err
, "preloaded output of a child\n");
34 static int no_job(struct child_process
*cp
,
39 strbuf_addstr(err
, "no further jobs available\n");
43 static int task_finished(int result
,
48 strbuf_addstr(err
, "asking for a quick stop\n");
52 static uint64_t my_random_next
= 1234;
54 static uint64_t my_random(void)
56 uint64_t res
= my_random_next
;
57 my_random_next
= my_random_next
* 1103515245 + 12345;
61 static int quote_stress_test(int argc
, const char **argv
)
64 * We are running a quote-stress test.
65 * spawn a subprocess that runs quote-stress with a
66 * special option that echoes back the arguments that
69 char special
[] = ".?*\\^_\"'`{}()[]<>@~&+:;$%"; // \t\r\n\a";
70 int i
, j
, k
, trials
= 100, skip
= 0, msys2
= 0;
71 struct strbuf out
= STRBUF_INIT
;
72 struct argv_array args
= ARGV_ARRAY_INIT
;
73 struct option options
[] = {
74 OPT_INTEGER('n', "trials", &trials
, "Number of trials"),
75 OPT_INTEGER('s', "skip", &skip
, "Skip <n> trials"),
76 OPT_BOOL('m', "msys2", &msys2
, "Test quoting for MSYS2's sh"),
79 const char * const usage
[] = {
80 "test-run-command quote-stress-test <options>",
84 argc
= parse_options(argc
, argv
, NULL
, options
, usage
, 0);
86 setenv("MSYS_NO_PATHCONV", "1", 0);
88 for (i
= 0; i
< trials
; i
++) {
89 struct child_process cp
= CHILD_PROCESS_INIT
;
90 size_t arg_count
, arg_offset
;
93 argv_array_clear(&args
);
95 argv_array_pushl(&args
, "sh", "-c",
96 "printf %s\\\\0 \"$@\"", "skip", NULL
);
98 argv_array_pushl(&args
, "test-run-command",
100 arg_offset
= args
.argc
;
105 for (j
= 0; j
< arg_count
; j
++)
106 argv_array_push(&args
, argv
[j
]);
108 arg_count
= 1 + (my_random() % 5);
109 for (j
= 0; j
< arg_count
; j
++) {
112 size_t arg_len
= min_len
+
113 (my_random() % (ARRAY_SIZE(buf
) - min_len
));
115 for (k
= 0; k
< arg_len
; k
++)
116 buf
[k
] = special
[my_random() %
117 ARRAY_SIZE(special
)];
120 argv_array_push(&args
, buf
);
129 if (pipe_command(&cp
, NULL
, 0, &out
, 0, NULL
, 0) < 0)
130 return error("Failed to spawn child process");
132 for (j
= 0, k
= 0; j
< arg_count
; j
++) {
133 const char *arg
= args
.argv
[j
+ arg_offset
];
135 if (strcmp(arg
, out
.buf
+ k
))
136 ret
= error("incorrectly quoted arg: '%s', "
137 "echoed back as '%s'",
139 k
+= strlen(out
.buf
+ k
) + 1;
143 ret
= error("got %d bytes, but consumed only %d",
144 (int)out
.len
, (int)k
);
147 fprintf(stderr
, "Trial #%d failed. Arguments:\n", i
);
148 for (j
= 0; j
< arg_count
; j
++)
149 fprintf(stderr
, "arg #%d: '%s'\n",
150 (int)j
, args
.argv
[j
+ arg_offset
]);
152 strbuf_release(&out
);
153 argv_array_clear(&args
);
158 if (i
&& (i
% 100) == 0)
159 fprintf(stderr
, "Trials completed: %d\n", (int)i
);
162 strbuf_release(&out
);
163 argv_array_clear(&args
);
168 static int quote_echo(int argc
, const char **argv
)
171 fwrite(argv
[1], strlen(argv
[1]), 1, stdout
);
180 int cmd_main(int argc
, const char **argv
)
182 struct child_process proc
= CHILD_PROCESS_INIT
;
185 if (argc
>= 2 && !strcmp(argv
[1], "quote-stress-test"))
186 return !!quote_stress_test(argc
- 1, argv
+ 1);
188 if (argc
>= 2 && !strcmp(argv
[1], "quote-echo"))
189 return !!quote_echo(argc
- 1, argv
+ 1);
193 proc
.argv
= (const char **)argv
+ 2;
195 if (!strcmp(argv
[1], "start-command-ENOENT")) {
196 if (start_command(&proc
) < 0 && errno
== ENOENT
)
198 fprintf(stderr
, "FAIL %s\n", argv
[1]);
201 if (!strcmp(argv
[1], "run-command"))
202 exit(run_command(&proc
));
204 jobs
= atoi(argv
[2]);
205 proc
.argv
= (const char **)argv
+ 3;
207 if (!strcmp(argv
[1], "run-command-parallel"))
208 exit(run_processes_parallel(jobs
, parallel_next
,
211 if (!strcmp(argv
[1], "run-command-abort"))
212 exit(run_processes_parallel(jobs
, parallel_next
,
213 NULL
, task_finished
, &proc
));
215 if (!strcmp(argv
[1], "run-command-no-jobs"))
216 exit(run_processes_parallel(jobs
, no_job
,
217 NULL
, task_finished
, &proc
));
219 fprintf(stderr
, "check usage\n");