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Mock tor_addr_lookup() during part of addr/basic test.

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If this function isn't mocked, then our unit tests break on stupid
networks where localhost is broken or absent. Fixes bug 6298; bugfix
on 0.0.9pre2.
This commit is contained in:
Nick Mathewson 2017-05-26 13:53:32 -04:00
parent 5742e4fd8e
commit 159a8061cf
2 changed files with 27 additions and 1 deletions
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4
changes/bug6298 Normal file
View File

@ -0,0 +1,4 @@
o Minor bugfixes (unit tests):
- The unit tests now pass on systems where localhost is misconfigured
to some IPv4 address other than 127.0.0.1. Fixes bug 6298;
bugfix on 0.0.9pre2.

24
src/test/test_addr.c
View File

@ -9,6 +9,24 @@
#include "test.h"
#include "addressmap.h"
/** Mocking replacement: only handles localhost. */
static int
mock_tor_addr_lookup(const char *name, uint16_t family, tor_addr_t *addr_out)
{
if (!strcmp(name, "localhost")) {
if (family == AF_INET || family == AF_UNSPEC) {
tor_addr_from_ipv4h(addr_out, 0x7f000001);
return 0;
} else if (family == AF_INET6) {
char bytes[16] = { 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 1 };
tor_addr_from_ipv6_bytes(addr_out, bytes);
return 0;
}
}
return -1;
}
static void
test_addr_basic(void *arg)
{
@ -29,6 +47,9 @@ test_addr_basic(void *arg)
tt_int_op(u32,OP_EQ, 0x04030201u);
tt_int_op(u16,OP_EQ, 99);
tor_free(cp);
MOCK(tor_addr_lookup, mock_tor_addr_lookup);
tt_assert(!addr_port_lookup(LOG_WARN, "nonexistent.address:4040",
&cp, NULL, &u16));
tt_str_op(cp,OP_EQ, "nonexistent.address");
@ -36,8 +57,8 @@ test_addr_basic(void *arg)
tor_free(cp);
tt_assert(!addr_port_lookup(LOG_WARN, "localhost:9999", &cp, &u32, &u16));
tt_str_op(cp,OP_EQ, "localhost");
tt_int_op(u32,OP_EQ, 0x7f000001u);
tt_int_op(u16,OP_EQ, 9999);
tt_int_op(u32,OP_EQ, 0x7f000001u);
tor_free(cp);
u32 = 3;
tt_assert(!addr_port_lookup(LOG_WARN, "localhost", NULL, &u32, &u16));
@ -75,6 +96,7 @@ test_addr_basic(void *arg)
}
done:
UNMOCK(tor_addr_lookup);
tor_free(cp);
}