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core-lightning/lightningd/test/run-jsonrpc.c
Rusty Russell 2da5244e83 jsonrpc: make error codes an enum. 
This allows GDB to print values, but also allows us to use them in
'case' statements.  This wasn't allowed before because they're not
constant terms.

This also made it clear there's a clash between two error codes,
so move one.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Changed: JSON-RPC: Error code from bcli plugin changed from 400 to 500.
2022-09-19 10:18:55 +09:30

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#include "config.h"
#include "../../common/json_stream.c"
#include "../jsonrpc.c"
#include "../feerate.c"
#include <common/setup.h>
#include <stdio.h>
/* AUTOGENERATED MOCKS START */
/* Generated stub for db_begin_transaction_ */
void db_begin_transaction_(struct db *db UNNEEDED, const char *location UNNEEDED)
{ fprintf(stderr, "db_begin_transaction_ called!\n"); abort(); }
/* Generated stub for db_commit_transaction */
void db_commit_transaction(struct db *db UNNEEDED)
{ fprintf(stderr, "db_commit_transaction called!\n"); abort(); }
/* Generated stub for deprecated_apis */
bool deprecated_apis;
/* Generated stub for fatal */
void fatal(const char *fmt UNNEEDED, ...)
{ fprintf(stderr, "fatal called!\n"); abort(); }
/* Generated stub for fromwire_bigsize */
bigsize_t fromwire_bigsize(const u8 **cursor UNNEEDED, size_t *max UNNEEDED)
{ fprintf(stderr, "fromwire_bigsize called!\n"); abort(); }
/* Generated stub for fromwire_channel_id */
bool fromwire_channel_id(const u8 **cursor UNNEEDED, size_t *max UNNEEDED,
struct channel_id *channel_id UNNEEDED)
{ fprintf(stderr, "fromwire_channel_id called!\n"); abort(); }
/* Generated stub for fromwire_node_id */
void fromwire_node_id(const u8 **cursor UNNEEDED, size_t *max UNNEEDED, struct node_id *id UNNEEDED)
{ fprintf(stderr, "fromwire_node_id called!\n"); abort(); }
/* Generated stub for json_to_jsonrpc_errcode */
bool json_to_jsonrpc_errcode(const char *buffer UNNEEDED, const jsmntok_t *tok UNNEEDED,
enum jsonrpc_errcode *errcode UNNEEDED)
{ fprintf(stderr, "json_to_jsonrpc_errcode called!\n"); abort(); }
/* Generated stub for json_to_number */
bool json_to_number(const char *buffer UNNEEDED, const jsmntok_t *tok UNNEEDED,
unsigned int *num UNNEEDED)
{ fprintf(stderr, "json_to_number called!\n"); abort(); }
/* Generated stub for log_ */
void log_(struct log *log UNNEEDED, enum log_level level UNNEEDED,
const struct node_id *node_id UNNEEDED,
bool call_notifier UNNEEDED,
const char *fmt UNNEEDED, ...)
{ fprintf(stderr, "log_ called!\n"); abort(); }
/* Generated stub for log_io */
void log_io(struct log *log UNNEEDED, enum log_level dir UNNEEDED,
const struct node_id *node_id UNNEEDED,
const char *comment UNNEEDED,
const void *data UNNEEDED, size_t len UNNEEDED)
{ fprintf(stderr, "log_io called!\n"); abort(); }
/* Generated stub for log_level_name */
const char *log_level_name(enum log_level level UNNEEDED)
{ fprintf(stderr, "log_level_name called!\n"); abort(); }
/* Generated stub for new_log */
struct log *new_log(const tal_t *ctx UNNEEDED, struct log_book *record UNNEEDED,
const struct node_id *default_node_id UNNEEDED,
const char *fmt UNNEEDED, ...)
{ fprintf(stderr, "new_log called!\n"); abort(); }
/* Generated stub for new_reltimer_ */
struct oneshot *new_reltimer_(struct timers *timers UNNEEDED,
const tal_t *ctx UNNEEDED,
struct timerel expire UNNEEDED,
void (*cb)(void *) UNNEEDED, void *arg UNNEEDED)
{ fprintf(stderr, "new_reltimer_ called!\n"); abort(); }
/* Generated stub for param */
bool param(struct command *cmd UNNEEDED, const char *buffer UNNEEDED,
const jsmntok_t params[] UNNEEDED, ...)
{ fprintf(stderr, "param called!\n"); abort(); }
/* Generated stub for param_bool */
struct command_result *param_bool(struct command *cmd UNNEEDED, const char *name UNNEEDED,
const char *buffer UNNEEDED, const jsmntok_t *tok UNNEEDED,
bool **b UNNEEDED)
{ fprintf(stderr, "param_bool called!\n"); abort(); }
/* Generated stub for param_ignore */
struct command_result *param_ignore(struct command *cmd UNNEEDED, const char *name UNNEEDED,
const char *buffer UNNEEDED, const jsmntok_t *tok UNNEEDED,
const void *unused UNNEEDED)
{ fprintf(stderr, "param_ignore called!\n"); abort(); }
/* Generated stub for param_number */
struct command_result *param_number(struct command *cmd UNNEEDED, const char *name UNNEEDED,
const char *buffer UNNEEDED, const jsmntok_t *tok UNNEEDED,
unsigned int **num UNNEEDED)
{ fprintf(stderr, "param_number called!\n"); abort(); }
/* Generated stub for param_sha256 */
struct command_result *param_sha256(struct command *cmd UNNEEDED, const char *name UNNEEDED,
const char *buffer UNNEEDED, const jsmntok_t *tok UNNEEDED,
struct sha256 **hash UNNEEDED)
{ fprintf(stderr, "param_sha256 called!\n"); abort(); }
/* Generated stub for param_string */
struct command_result *param_string(struct command *cmd UNNEEDED, const char *name UNNEEDED,
const char * buffer UNNEEDED, const jsmntok_t *tok UNNEEDED,
const char **str UNNEEDED)
{ fprintf(stderr, "param_string called!\n"); abort(); }
/* Generated stub for param_subcommand */
const char *param_subcommand(struct command *cmd UNNEEDED, const char *buffer UNNEEDED,
const jsmntok_t tokens[] UNNEEDED,
const char *name UNNEEDED, ...)
{ fprintf(stderr, "param_subcommand called!\n"); abort(); }
/* Generated stub for plugin_hook_call_ */
bool plugin_hook_call_(struct lightningd *ld UNNEEDED,
const struct plugin_hook *hook UNNEEDED,
const char *cmd_id TAKES UNNEEDED,
tal_t *cb_arg STEALS UNNEEDED)
{ fprintf(stderr, "plugin_hook_call_ called!\n"); abort(); }
/* Generated stub for towire_bigsize */
void towire_bigsize(u8 **pptr UNNEEDED, const bigsize_t val UNNEEDED)
{ fprintf(stderr, "towire_bigsize called!\n"); abort(); }
/* Generated stub for towire_channel_id */
void towire_channel_id(u8 **pptr UNNEEDED, const struct channel_id *channel_id UNNEEDED)
{ fprintf(stderr, "towire_channel_id called!\n"); abort(); }
/* Generated stub for towire_node_id */
void towire_node_id(u8 **pptr UNNEEDED, const struct node_id *id UNNEEDED)
{ fprintf(stderr, "towire_node_id called!\n"); abort(); }
/* Generated stub for try_get_feerate */
u32 try_get_feerate(const struct chain_topology *topo UNNEEDED, enum feerate feerate UNNEEDED)
{ fprintf(stderr, "try_get_feerate called!\n"); abort(); }
/* AUTOGENERATED MOCKS END */
static int test_json_filter(void)
{
struct json_stream *result = new_json_stream(NULL, NULL, NULL);
jsmntok_t *toks;
const jsmntok_t *x;
bool valid, complete;
int i;
char *badstr = tal_arr(result, char, 256);
const char *str;
size_t len;
jsmn_parser parser;
/* Fill with junk, and nul-terminate (256 -> 0) */
for (i = 1; i < 257; i++)
badstr[i-1] = i;
json_object_start(result, NULL);
json_add_string(result, "x", badstr);
json_object_end(result);
/* Parse back in, make sure nothing crazy. */
str = json_out_contents(result->jout, &len);
str = tal_strndup(result, str, len);
toks = toks_alloc(str);
jsmn_init(&parser);
valid = json_parse_input(&parser, &toks, str, strlen(str), &complete);
/* Fails to parse because it's not valid UTF8 */
assert(!valid);
assert(toks[0].type == JSMN_OBJECT);
x = json_get_member(str, toks, "x");
assert(x);
assert(x->type == JSMN_STRING);
/* There are 7 one-letter escapes, and (32-5) \uXXXX escapes. */
assert((x->end - x->start) == 255 + 7*1 + (32-5)*5);
/* No control characters. */
for (i = x->start; i < x->end; i++) {
assert((unsigned)str[i] >= ' ');
assert((unsigned)str[i] != 127);
}
tal_free(result);
return 0;
}
static void test_json_escape(void)
{
int i;
for (i = 1; i < 256; i++) {
char badstr[2];
struct json_stream *result = new_json_stream(NULL, NULL, NULL);
struct json_escape *esc;
badstr[0] = i;
badstr[1] = 0;
json_object_start(result, NULL);
esc = json_escape(NULL, badstr);
json_add_escaped_string(result, "x", take(esc));
json_object_end(result);
size_t len;
const char *str = json_out_contents(result->jout, &len);
str = tal_strndup(result, str, len);
if (i == '\\' || i == '"'
|| i == '\n' || i == '\r' || i == '\b'
|| i == '\t' || i == '\f')
assert(strstarts(str, "{\"x\":\"\\"));
else if (i < 32 || i == 127) {
assert(strstarts(str, "{\"x\":\"\\u00"));
} else {
char expect[] = "{\"x\":\"?\"}";
expect[6] = i;
assert(streq(str, expect));
}
tal_free(result);
}
}
static void test_json_partial(void)
{
const tal_t *ctx = tal(NULL, char);
assert(streq(json_partial_escape(ctx, "\\")->s, "\\\\"));
assert(streq(json_partial_escape(ctx, "\\\\")->s, "\\\\"));
assert(streq(json_partial_escape(ctx, "\\\\\\")->s, "\\\\\\\\"));
assert(streq(json_partial_escape(ctx, "\\\\\\\\")->s, "\\\\\\\\"));
assert(streq(json_partial_escape(ctx, "\\n")->s, "\\n"));
assert(streq(json_partial_escape(ctx, "\n")->s, "\\n"));
assert(streq(json_partial_escape(ctx, "\\\"")->s, "\\\""));
assert(streq(json_partial_escape(ctx, "\"")->s, "\\\""));
assert(streq(json_partial_escape(ctx, "\\t")->s, "\\t"));
assert(streq(json_partial_escape(ctx, "\t")->s, "\\t"));
assert(streq(json_partial_escape(ctx, "\\b")->s, "\\b"));
assert(streq(json_partial_escape(ctx, "\b")->s, "\\b"));
assert(streq(json_partial_escape(ctx, "\\r")->s, "\\r"));
assert(streq(json_partial_escape(ctx, "\r")->s, "\\r"));
assert(streq(json_partial_escape(ctx, "\\f")->s, "\\f"));
assert(streq(json_partial_escape(ctx, "\f")->s, "\\f"));
/* You're allowed to escape / according to json.org. */
assert(streq(json_partial_escape(ctx, "\\/")->s, "\\/"));
assert(streq(json_partial_escape(ctx, "/")->s, "/"));
assert(streq(json_partial_escape(ctx, "\\u0FFF")->s, "\\u0FFF"));
assert(streq(json_partial_escape(ctx, "\\u0FFFx")->s, "\\u0FFFx"));
/* Unknown escapes should be escaped. */
assert(streq(json_partial_escape(ctx, "\\x")->s, "\\\\x"));
tal_free(ctx);
}
/* Test that we can segment and parse a stream of json objects correctly. */
static void test_json_stream(void)
{
bool valid, complete;
char *input, *talstr;
jsmntok_t *toks;
jsmn_parser parser;
/* Multiple full messages in a single buffer (happens when buffer
* boundary coincides with message boundary, or read returned after
* timeout. */
input = "{\"x\":\"x\"}{\"y\":\"y\"}";
talstr = tal_strndup(NULL, input, strlen(input));
toks = toks_alloc(NULL);
jsmn_init(&parser);
valid = json_parse_input(&parser, &toks, talstr, strlen(talstr), &complete);
assert(tal_count(toks) == 4);
assert(toks[0].start == 0 && toks[0].end == 9);
assert(valid);
assert(complete);
tal_free(talstr);
/* Multiple messages, and the last one is partial, far more likely than
* accidentally getting the boundaries to match. */
input = "{\"x\":\"x\"}{\"y\":\"y\"}{\"z\":\"z";
talstr = tal_strndup(NULL, input, strlen(input));
toks_reset(toks);
jsmn_init(&parser);
valid = json_parse_input(&parser, &toks, talstr, strlen(talstr), &complete);
assert(toks);
assert(tal_count(toks) == 4);
assert(toks[0].start == 0 && toks[0].end == 9);
assert(valid);
assert(complete);
tal_free(talstr);
/* We can do this incrementally, too. */
toks_reset(toks);
input = "{\"x\":\"x\"}";
jsmn_init(&parser);
for (size_t i = 0; i <= strlen(input); i++) {
valid = json_parse_input(&parser, &toks, input, i, &complete);
assert(valid);
if (i == strlen(input))
assert(complete);
else
assert(!complete);
}
assert(tal_count(toks) == 4);
assert(toks[0].start == 0 && toks[0].end == 9);
tal_free(toks);
}
int main(int argc, char *argv[])
{
common_setup(argv[0]);
test_json_filter();
test_json_escape();
test_json_partial();
test_json_stream();
common_shutdown();
}
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