cosmopolitan/test/libc/dns/parsehoststxt_test.c

82 lines
4.2 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/hoststxt.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 *ParseIp(unsigned char ip[4]) {
static char g_ipbuf[16];
return inet_ntop(AF_INET, ip, g_ipbuf, sizeof(g_ipbuf));
}
TEST(parsehoststxt, testEmpty) {
struct HostsTxt *ht = calloc(1, sizeof(struct HostsTxt));
FILE *f = fmemopen(NULL, BUFSIZ, "r+");
ASSERT_EQ(0, parsehoststxt(ht, f));
ASSERT_EQ(0, ht->entries.i);
freehoststxt(&ht);
fclose(f);
}
TEST(parsehoststxt, testCorrectlyTokenizesAndSorts) {
const char kInput[] = "# this is a comment\n"
"# IP HOST1 HOST2\n"
"203.0.113.1 lol.example. lol\n"
"203.0.113.2 cat.example. cat\n";
struct HostsTxt *ht = calloc(1, sizeof(struct HostsTxt));
FILE *f = fmemopen(NULL, BUFSIZ, "r+");
fwrite(kInput, 1, strlen(kInput), f);
rewind(f);
ASSERT_EQ(0, parsehoststxt(ht, f));
sorthoststxt(ht);
ASSERT_EQ(4, ht->entries.i);
EXPECT_STREQ("cat.example.", &ht->strings.p[ht->entries.p[0].name]);
EXPECT_STREQ("cat.example.", &ht->strings.p[ht->entries.p[0].canon]);
EXPECT_STREQ("203.0.113.2", ParseIp(ht->entries.p[0].ip));
EXPECT_STREQ("lol.example.", &ht->strings.p[ht->entries.p[1].name]);
EXPECT_STREQ("lol.example.", &ht->strings.p[ht->entries.p[1].canon]);
EXPECT_STREQ("203.0.113.1", ParseIp(ht->entries.p[1].ip));
EXPECT_STREQ("cat", &ht->strings.p[ht->entries.p[2].name]);
EXPECT_STREQ("cat.example.", &ht->strings.p[ht->entries.p[2].canon]);
EXPECT_STREQ("203.0.113.2", ParseIp(ht->entries.p[2].ip));
EXPECT_STREQ("lol", &ht->strings.p[ht->entries.p[3].name]);
EXPECT_STREQ("lol.example.", &ht->strings.p[ht->entries.p[3].canon]);
EXPECT_STREQ("203.0.113.1", ParseIp(ht->entries.p[3].ip));
freehoststxt(&ht);
fclose(f);
}
TEST(parsehoststxt, testIpv6_isIgnored) {
const char kInput[] = "::1 boop\n"
"203.0.113.2 cat # ignore me\n";
struct HostsTxt *ht = calloc(1, sizeof(struct HostsTxt));
FILE *f = fmemopen(kInput, strlen(kInput), "r+");
ASSERT_EQ(0, parsehoststxt(ht, f));
ASSERT_EQ(1, ht->entries.i);
EXPECT_STREQ("cat", &ht->strings.p[ht->entries.p[0].name]);
EXPECT_STREQ("cat", &ht->strings.p[ht->entries.p[0].canon]);
EXPECT_STREQ("203.0.113.2", ParseIp(ht->entries.p[0].ip));
freehoststxt(&ht);
fclose(f);
}