Add unit test for ClientTransportPlugin/ServerTransportPlugin config line parsing

This commit is contained in:
Andrea Shepard 2014-07-25 21:42:12 -07:00
parent b8b46e8ef8
commit 5d81fd25a0

View File

@ -14,6 +14,8 @@
#include "test.h" #include "test.h"
#include "util.h" #include "util.h"
#include "address.h" #include "address.h"
#include "entrynodes.h"
#include "transports.h"
static void static void
test_config_addressmap(void *arg) test_config_addressmap(void *arg)
@ -552,6 +554,251 @@ test_config_parse_transport_options_line(void *arg)
} }
} }
/* Mocks needed for the transport plugin line test */
static void pt_kickstart_proxy_mock(const smartlist_t *transport_list,
char **proxy_argv, int is_server);
static int transport_add_from_config_mock(const tor_addr_t *addr,
uint16_t port, const char *name,
int socks_ver);
static int transport_is_needed_mock(const char *transport_name);
static int pt_kickstart_proxy_mock_call_count = 0;
static int transport_add_from_config_mock_call_count = 0;
static int transport_is_needed_mock_call_count = 0;
static int transport_is_needed_mock_return = 0;
static void
pt_kickstart_proxy_mock(const smartlist_t *transport_list,
char **proxy_argv, int is_server)
{
++pt_kickstart_proxy_mock_call_count;
}
static int
transport_add_from_config_mock(const tor_addr_t *addr,
uint16_t port, const char *name,
int socks_ver)
{
++transport_add_from_config_mock_call_count;
return 0;
}
static int
transport_is_needed_mock(const char *transport_name)
{
++transport_is_needed_mock_call_count;
return transport_is_needed_mock_return;
}
/**
* Test parsing for the ClientTransportPlugin and ServerTransportPlugin config
* options.
*/
static void
test_config_parse_transport_plugin_line(void *arg)
{
or_options_t *options = get_options_mutable();
int r, tmp;
int old_pt_kickstart_proxy_mock_call_count;
int old_transport_add_from_config_mock_call_count;
int old_transport_is_needed_mock_call_count;
/* Bad transport lines - too short */
r = parse_client_transport_line(options, "bad", 1);
test_assert(r < 0);
r = parse_server_transport_line(options, "bad", 1);
test_assert(r < 0);
r = parse_client_transport_line(options, "bad bad", 1);
test_assert(r < 0);
r = parse_server_transport_line(options, "bad bad", 1);
test_assert(r < 0);
/* Test transport list parsing */
r = parse_client_transport_line(options,
"transport_1 exec /usr/bin/fake-transport", 1);
test_assert(r == 0);
r = parse_server_transport_line(options,
"transport_1 exec /usr/bin/fake-transport", 1);
test_assert(r == 0);
r = parse_client_transport_line(options,
"transport_1,transport_2 exec /usr/bin/fake-transport", 1);
test_assert(r == 0);
r = parse_server_transport_line(options,
"transport_1,transport_2 exec /usr/bin/fake-transport", 1);
test_assert(r == 0);
/* Bad transport identifiers */
r = parse_client_transport_line(options,
"transport_* exec /usr/bin/fake-transport", 1);
test_assert(r < 0);
r = parse_server_transport_line(options,
"transport_* exec /usr/bin/fake-transport", 1);
test_assert(r < 0);
/* Check SOCKS cases for client transport */
r = parse_client_transport_line(options,
"transport_1 socks4 1.2.3.4:567", 1);
test_assert(r == 0);
r = parse_client_transport_line(options,
"transport_1 socks5 1.2.3.4:567", 1);
test_assert(r == 0);
/* Proxy case for server transport */
r = parse_server_transport_line(options,
"transport_1 proxy 1.2.3.4:567", 1);
test_assert(r == 0);
/* Multiple-transport error exit */
r = parse_client_transport_line(options,
"transport_1,transport_2 socks5 1.2.3.4:567", 1);
test_assert(r < 0);
r = parse_server_transport_line(options,
"transport_1,transport_2 proxy 1.2.3.4:567", 1);
/* No port error exit */
r = parse_client_transport_line(options,
"transport_1 socks5 1.2.3.4", 1);
test_assert(r < 0);
r = parse_server_transport_line(options,
"transport_1 proxy 1.2.3.4", 1);
test_assert(r < 0);
/* Unparsable address error exit */
r = parse_client_transport_line(options,
"transport_1 socks5 1.2.3:6x7", 1);
test_assert(r < 0);
r = parse_server_transport_line(options,
"transport_1 proxy 1.2.3:6x7", 1);
test_assert(r < 0);
/* "Strange {Client|Server}TransportPlugin field" error exit */
r = parse_client_transport_line(options,
"transport_1 foo bar", 1);
test_assert(r < 0);
r = parse_server_transport_line(options,
"transport_1 foo bar", 1);
test_assert(r < 0);
/* No sandbox mode error exit */
tmp = options->Sandbox;
options->Sandbox = 1;
r = parse_client_transport_line(options,
"transport_1 exec /usr/bin/fake-transport", 1);
test_assert(r < 0);
r = parse_server_transport_line(options,
"transport_1 exec /usr/bin/fake-transport", 1);
test_assert(r < 0);
options->Sandbox = tmp;
/*
* These final test cases cover code paths that only activate without
* validate_only, so they need mocks in place.
*/
MOCK(pt_kickstart_proxy, pt_kickstart_proxy_mock);
old_pt_kickstart_proxy_mock_call_count =
pt_kickstart_proxy_mock_call_count;
r = parse_server_transport_line(options,
"transport_1 exec /usr/bin/fake-transport", 0);
test_assert(r == 0);
test_assert(pt_kickstart_proxy_mock_call_count ==
old_pt_kickstart_proxy_mock_call_count + 1);
UNMOCK(pt_kickstart_proxy);
/* This one hits a log line in the !validate_only case only */
r = parse_server_transport_line(options,
"transport_1 proxy 1.2.3.4:567", 0);
test_assert(r == 0);
/* Check mocked client transport cases */
MOCK(pt_kickstart_proxy, pt_kickstart_proxy_mock);
MOCK(transport_add_from_config, transport_add_from_config_mock);
MOCK(transport_is_needed, transport_is_needed_mock);
/* Unnecessary transport case */
transport_is_needed_mock_return = 0;
old_pt_kickstart_proxy_mock_call_count =
pt_kickstart_proxy_mock_call_count;
old_transport_add_from_config_mock_call_count =
transport_add_from_config_mock_call_count;
old_transport_is_needed_mock_call_count =
transport_is_needed_mock_call_count;
r = parse_client_transport_line(options,
"transport_1 exec /usr/bin/fake-transport", 0);
/* Should have succeeded */
test_assert(r == 0);
/* transport_is_needed() should have been called */
test_assert(transport_is_needed_mock_call_count ==
old_transport_is_needed_mock_call_count + 1);
/*
* pt_kickstart_proxy() and transport_add_from_config() should
* not have been called.
*/
test_assert(pt_kickstart_proxy_mock_call_count ==
old_pt_kickstart_proxy_mock_call_count);
test_assert(transport_add_from_config_mock_call_count ==
old_transport_add_from_config_mock_call_count);
/* Necessary transport case */
transport_is_needed_mock_return = 1;
old_pt_kickstart_proxy_mock_call_count =
pt_kickstart_proxy_mock_call_count;
old_transport_add_from_config_mock_call_count =
transport_add_from_config_mock_call_count;
old_transport_is_needed_mock_call_count =
transport_is_needed_mock_call_count;
r = parse_client_transport_line(options,
"transport_1 exec /usr/bin/fake-transport", 0);
/* Should have succeeded */
test_assert(r == 0);
/*
* transport_is_needed() and pt_kickstart_proxy() should have been
* called.
*/
test_assert(pt_kickstart_proxy_mock_call_count ==
old_pt_kickstart_proxy_mock_call_count + 1);
test_assert(transport_is_needed_mock_call_count ==
old_transport_is_needed_mock_call_count + 1);
/* transport_add_from_config() should not have been called. */
test_assert(transport_add_from_config_mock_call_count ==
old_transport_add_from_config_mock_call_count);
/* proxy case */
transport_is_needed_mock_return = 1;
old_pt_kickstart_proxy_mock_call_count =
pt_kickstart_proxy_mock_call_count;
old_transport_add_from_config_mock_call_count =
transport_add_from_config_mock_call_count;
old_transport_is_needed_mock_call_count =
transport_is_needed_mock_call_count;
r = parse_client_transport_line(options,
"transport_1 socks5 1.2.3.4:567", 0);
/* Should have succeeded */
test_assert(r == 0);
/*
* transport_is_needed() and transport_add_from_config() should have
* been called.
*/
test_assert(transport_add_from_config_mock_call_count ==
old_transport_add_from_config_mock_call_count + 1);
test_assert(transport_is_needed_mock_call_count ==
old_transport_is_needed_mock_call_count + 1);
/* pt_kickstart_proxy() should not have been called. */
test_assert(pt_kickstart_proxy_mock_call_count ==
old_pt_kickstart_proxy_mock_call_count);
/* Done with mocked client transport cases */
UNMOCK(transport_is_needed);
UNMOCK(transport_add_from_config);
UNMOCK(pt_kickstart_proxy);
done:
/* Make sure we undo all mocks */
UNMOCK(pt_kickstart_proxy);
UNMOCK(transport_add_from_config);
UNMOCK(transport_is_needed);
return;
}
// Tests if an options with MyFamily fingerprints missing '$' normalises // Tests if an options with MyFamily fingerprints missing '$' normalises
// them correctly and also ensure it also works with multiple fingerprints // them correctly and also ensure it also works with multiple fingerprints
static void static void
@ -596,6 +843,7 @@ struct testcase_t config_tests[] = {
CONFIG_TEST(addressmap, 0), CONFIG_TEST(addressmap, 0),
CONFIG_TEST(parse_bridge_line, 0), CONFIG_TEST(parse_bridge_line, 0),
CONFIG_TEST(parse_transport_options_line, 0), CONFIG_TEST(parse_transport_options_line, 0),
CONFIG_TEST(parse_transport_plugin_line, TT_FORK),
CONFIG_TEST(check_or_create_data_subdir, TT_FORK), CONFIG_TEST(check_or_create_data_subdir, TT_FORK),
CONFIG_TEST(write_to_data_subdir, TT_FORK), CONFIG_TEST(write_to_data_subdir, TT_FORK),
CONFIG_TEST(fix_my_family, 0), CONFIG_TEST(fix_my_family, 0),