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test-conf-parser: add some basic tests for config_parse()

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This function is pretty important, but we weren't calling it directly
even once in tests.

v2: add a few tests for escaping and line continuations
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
2017-09-21 14:24:01 +02:00
parent 2351e44d3e
commit e3f46367f5
1 changed files with 89 additions and 0 deletions
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89
src/test/test-conf-parser.c
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@@ -18,6 +18,8 @@
***/
#include "conf-parser.h"
#include "fd-util.h"
#include "fileio.h"
#include "log.h"
#include "macro.h"
#include "string-util.h"
@@ -227,7 +229,91 @@ static void test_config_parse_iec_uint64(void) {
assert_se(config_parse_iec_uint64(NULL, "/this/file", 11, "Section", 22, "Size", 0, "4.5M", &offset, NULL) == 0);
}
static const char* const config_file[] = {
"[Section]\n"
"setting1=1\n",
"[Section]\n"
"setting1=1", /* no terminating newline */
"\n\n\n\n[Section]\n\n\n"
"setting1=1", /* some whitespace, no terminating newline */
"[Section]\n"
"[Section]\n"
"setting1=1\n"
"setting1=2\n"
"setting1=1\n", /* repeated settings */
"[Section]\n"
"setting1=1\\\n" /* normal continuation */
"2\\\n"
"3\n",
"[Section]\n"
"setting1=1\\\\\\\n" /* continuation with trailing escape symbols */
"\\\\2\n", /* note that C requires one level of escaping, so the
* parser gets "…1 BS BS BS NL BS BS 2 NL", which
* it translates into "…1 BS BS SP BS BS 2" */
};
static void test_config_parse(unsigned i, const char *s) {
char name[] = "/tmp/test-conf-parser.XXXXXX";
int fd, r;
_cleanup_fclose_ FILE *f = NULL;
_cleanup_free_ char *setting1 = NULL;
const ConfigTableItem items[] = {
{ "Section", "setting1", config_parse_string, 0, &setting1},
{}
};
log_info("== %s[%i] ==", __func__, i);
fd = mkostemp_safe(name);
assert_se(fd >= 0);
assert_se((size_t) write(fd, s, strlen(s)) == strlen(s));
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(f = fdopen(fd, "r"));
/*
int config_parse(const char *unit,
const char *filename,
FILE *f,
const char *sections,
ConfigItemLookup lookup,
const void *table,
bool relaxed,
bool allow_include,
bool warn,
void *userdata)
*/
r = config_parse(NULL, name, f,
"Section\0",
config_item_table_lookup, items,
false, false, true, NULL);
assert_se(r == 0);
switch (i) {
case 0 ... 3:
assert_se(streq(setting1, "1"));
break;
case 4:
assert_se(streq(setting1, "1 2 3"));
break;
case 5:
assert_se(streq(setting1, "1\\\\ \\\\2"));
break;
}
}
int main(int argc, char **argv) {
unsigned i;
log_parse_environment();
log_open();
@@ -244,5 +330,8 @@ int main(int argc, char **argv) {
test_config_parse_nsec();
test_config_parse_iec_uint64();
for (i = 0; i < ELEMENTSOF(config_file); i++)
test_config_parse(i, config_file[i]);
return 0;
}