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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "table.h"
#include "backend.h"
static void test_empty_table();
static void test_single_entry_table();
static void append_entry(struct Table *, const char *, const char *);
static void add_new_table(struct Table_head *, const char *, const char **);
static void test_add_table();
static void test_tables_reload();
static int count_tables(const struct Table_head *);
int main() {
test_empty_table();
test_single_entry_table();
test_add_table();
test_tables_reload();
}
static void
test_empty_table() {
struct Table *table = new_table();
assert(table != NULL);
table_ref_get(table);
const char *name = "table_name";
accept_table_arg(table, name);
assert(table->name != NULL);
assert(strcmp(name, table->name) == 0);
assert(name != table->name);
const char *server_query = "example.com";
struct LookupResult result = table_lookup_server_address(table,
server_query, strlen(server_query));
assert(result.address == NULL);
table_ref_put(table);
}
static void
append_entry(struct Table *table, const char *pattern, const char *address) {
struct Backend *backend = new_backend();
assert(backend != NULL);
accept_backend_arg(backend, pattern);
accept_backend_arg(backend, address);
assert(strcmp(pattern, backend->pattern) == 0);
assert(pattern != backend->pattern);
add_backend(&table->backends, backend);
}
static void
test_single_entry_table() {
struct Table *table = new_table();
assert(table != NULL);
table_ref_get(table);
const char *name = "table_name";
accept_table_arg(table, name);
assert(table->name != NULL);
assert(strcmp(name, table->name) == 0);
assert(name != table->name);
append_entry(table, "^example\\.com$", "192.0.2.10");
init_table(table);
const char *server_query = "example.com";
struct LookupResult result = table_lookup_server_address(table,
server_query, strlen(server_query));
assert(result.address != NULL);
table_ref_put(table);
}
static void
add_new_table(struct Table_head *tables, const char *name, const char **entries) {
struct Table *table = new_table();
assert(table != NULL);
accept_table_arg(table, name);
assert(table->name != NULL);
assert(table->name != name);
assert(strcmp(table->name, name) == 0);
while (entries != NULL && entries[0] != NULL && entries[1] != NULL) {
append_entry(table, entries[0], entries[1]);
entries += 2;
}
add_table(tables, table);
}
static int
count_tables(const struct Table_head *tables) {
struct Table *iter;
int count = 0;
SLIST_FOREACH(iter, tables, entries)
count++;
return count;
}
static void
test_add_table() {
struct Table_head tables = SLIST_HEAD_INITIALIZER();
add_new_table(&tables, "foo", (const char *[]){
"^example\\.com$", "192.0.2.10",
"^.*$", "*",
NULL});
add_new_table(&tables, "bar", (const char *[]){
"^example\\.net$", "192.0.2.11",
NULL});
add_new_table(&tables, "baz", (const char *[]){
"^example\\.org$", "192.0.2.12",
NULL});
struct Table *result = table_lookup(&tables, "baz");
assert(result != NULL);
assert(strcmp("baz", result->name) == 0);
result = table_lookup(&tables, "foo");
assert(result != NULL);
assert(strcmp("foo", result->name) == 0);
result = table_lookup(&tables, "bar");
assert(result != NULL);
assert(strcmp("bar", result->name) == 0);
result = table_lookup(&tables, "qvf");
assert(result == NULL);
assert(count_tables(&tables) == 3);
free_tables(&tables);
}
static void
test_tables_reload() {
struct Table_head existing = SLIST_HEAD_INITIALIZER();
struct Table_head new = SLIST_HEAD_INITIALIZER();
struct Table *table = NULL;
add_new_table(&existing, "foo", (const char *[]){
"^example\\.com$", "192.0.2.10",
"^.*$", "*",
NULL});
add_new_table(&existing, "bar", (const char *[]){
"^example\\.net$", "192.0.2.11",
NULL});
add_new_table(&new, "baz", (const char *[]){
"^example\\.org$", "192.0.2.12",
NULL});
add_new_table(&new, "foo", (const char *[]){
"^.*$", "*",
NULL});
struct Table *bar = table_lookup(&existing, "bar");
assert(bar != NULL);
table_ref_get(bar);
reload_tables(&existing, &new);
assert(count_tables(&new) == 0);
free_tables(&new);
assert(count_tables(&existing) == 2);
table = table_lookup(&existing, "baz");
assert(table != NULL);
assert(strcmp("baz", table->name) == 0);
table = table_lookup(&existing, "foo");
assert(table != NULL);
assert(strcmp("foo", table->name) == 0);
free_tables(&existing);
table_ref_put(bar);
}
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