cosmopolitan/test/libc/dns/parseresolvconf_test.c

71 lines
3.6 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/dns/dns.h"
#include "libc/dns/hoststxt.h"
#include "libc/dns/resolvconf.h"
#include "libc/mem/mem.h"
#include "libc/sock/sock.h"
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/af.h"
#include "libc/testlib/testlib.h"
static const char *FormatIp(struct sockaddr_in *ip) {
static char g_ipbuf[16];
return inet_ntop(ip->sin_family, &ip->sin_addr.s_addr, g_ipbuf, 16);
}
TEST(parseresolvconf, testEmpty) {
struct ResolvConf *rv = calloc(1, sizeof(struct ResolvConf));
FILE *f = fmemopen(NULL, BUFSIZ, "r+");
ASSERT_EQ(0, parseresolvconf(rv, f));
ASSERT_EQ(0, rv->nameservers.i);
freeresolvconf(&rv);
fclose(f);
}
TEST(parseresolvconf, testCorrectlyTokenizes) {
const char kInput[] = "# this is a comment\n"
"nameserver 203.0.113.2 \n"
" nameserver 203.0.113.1\n";
struct ResolvConf *rv = calloc(1, sizeof(struct ResolvConf));
FILE *f = fmemopen(kInput, strlen(kInput), "r+");
ASSERT_EQ(2, parseresolvconf(rv, f));
ASSERT_EQ(2, rv->nameservers.i);
EXPECT_EQ(AF_INET, rv->nameservers.p[0].sin_family);
EXPECT_EQ(DNS_PORT, ntohs(rv->nameservers.p[0].sin_port));
EXPECT_STREQ("203.0.113.2", FormatIp(&rv->nameservers.p[0]));
EXPECT_EQ(AF_INET, rv->nameservers.p[1].sin_family);
EXPECT_EQ(DNS_PORT, ntohs(rv->nameservers.p[1].sin_port));
EXPECT_STREQ("203.0.113.1", FormatIp(&rv->nameservers.p[1]));
freeresolvconf(&rv);
fclose(f);
}
TEST(parseresolvconf, testMulticastDnsThing_getsIgnored) {
const char kInput[] = "search local # boop\n";
struct ResolvConf *rv = calloc(1, sizeof(struct ResolvConf));
FILE *f = fmemopen(NULL, BUFSIZ, "r+");
ASSERT_EQ(strlen(kInput), fwrite(kInput, 1, strlen(kInput), f));
ASSERT_EQ(0, parseresolvconf(rv, f));
ASSERT_EQ(0, rv->nameservers.i);
freeresolvconf(&rv);
fclose(f);
}