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Justine Tunney 2020-06-15 07:18:57 -07:00
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test/libc/dns/parseresolvconf_test.c Normal file
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/*-*- 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 │
│ │
│ This program is free software; you can redistribute it and/or modify │
│ it under the terms of the GNU General Public License as published by │
│ the Free Software Foundation; version 2 of the License. │
│ │
│ This program is distributed in the hope that it will be useful, but │
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
│ General Public License for more details. │
│ │
│ You should have received a copy of the GNU General Public License │
│ along with this program; if not, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#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(NULL, BUFSIZ, "r+");
ASSERT_EQ(strlen(kInput), fwrite(kInput, 1, strlen(kInput), f));
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, testSearchLocal_setsLoopback) {
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(1, parseresolvconf(rv, f));
ASSERT_EQ(1, 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("127.0.0.1", FormatIp(&rv->nameservers.p[0]));
freeresolvconf(&rv);
fclose(f);
}