commit 1066fdd8d1e084ef38281c9817032e68e2a490ff Author: juga0 juga@riseup.net Date: Sat Jun 9 10:34:41 2018 +0000

Add test for check_descriptor_bandwidth_changed --- src/test/include.am | 1 + src/test/test_router.c | 120 +++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 121 insertions(+)

diff --git a/src/test/include.am b/src/test/include.am index 0ee3d1169..7864d7d9f 100644 --- a/src/test/include.am +++ b/src/test/include.am @@ -117,6 +117,7 @@ src_test_test_SOURCES = \ src/test/test_relaycell.c \ src/test/test_rendcache.c \ src/test/test_replay.c \ + src/test/test_router.c \ src/test/test_routerkeys.c \ src/test/test_routerlist.c \ src/test/test_routerset.c \ diff --git a/src/test/test_router.c b/src/test/test_router.c new file mode 100644 index 000000000..a4921da9b --- /dev/null +++ b/src/test/test_router.c @@ -0,0 +1,120 @@ +/* Copyright (c) 2018, The Tor Project, Inc. */ +/* See LICENSE for licensing information */ + +/** + * \file test_router.c + * \brief Unittests for code in src/or/router.c + **/ + +#include "or.h" +#include "hibernate.h" +#include "log_test_helpers.h" +#include "main.h" +#include "rephist.h" +#include "router.h" +#include "test.h" + +static routerinfo_t *mock_router_get_my_routerinfo_result = NULL; + +static const routerinfo_t * +mock_router_get_my_routerinfo(void) +{ + return mock_router_get_my_routerinfo_result; +} + +static long +mock_get_uptime_3h(void) +{ + return 3*60*60; +} + +static long +mock_get_uptime_1d(void) +{ + return 24*60*60; +} + +static int +mock_rep_hist_bandwidth_assess(void) +{ + return 20001; +} + +static int +mock_we_are_hibernating(void) +{ + return 0; +} + +static void +test_router_check_descriptor_bandwidth_changed(void *arg) +{ + (void)arg; + routerinfo_t routerinfo; + memset(&routerinfo, 0, sizeof(routerinfo)); + mock_router_get_my_routerinfo_result = NULL; + + MOCK(we_are_hibernating, mock_we_are_hibernating); + MOCK(router_get_my_routerinfo, mock_router_get_my_routerinfo); + mock_router_get_my_routerinfo_result = &routerinfo; + + /* When uptime is less than 24h, no previous bandwidth, no last_changed + * Uptime: 10800, last_changed: 0, Previous bw: 0, Current bw: 0 */ + routerinfo.bandwidthcapacity = 0; + MOCK(get_uptime, mock_get_uptime_3h); + setup_full_capture_of_logs(LOG_INFO); + check_descriptor_bandwidth_changed(time(NULL)); + expect_log_msg_not_containing( + "Measured bandwidth has changed; rebuilding descriptor."); + teardown_capture_of_logs(); + + /* When uptime is less than 24h, previous bandwidth, + * last_changed more than 3h ago + * Uptime: 10800, last_changed: 0, Previous bw: 10000, Current bw: 0 */ + routerinfo.bandwidthcapacity = 10000; + setup_full_capture_of_logs(LOG_INFO); + check_descriptor_bandwidth_changed(time(NULL)); + expect_log_msg_containing( + "Measured bandwidth has changed; rebuilding descriptor."); + teardown_capture_of_logs(); + + /* When uptime is less than 24h, last_changed is not more than 3h ago + * Uptime: 10800, last_changed: x, Previous bw: 10000, Current bw: 0 */ + setup_full_capture_of_logs(LOG_INFO); + check_descriptor_bandwidth_changed(time(NULL)); + expect_log_msg_not_containing( + "Measured bandwidth has changed; rebuilding descriptor."); + teardown_capture_of_logs(); + + /* When uptime is less than 24h and bandwidthcapacity does not change + * Uptime: 10800, last_changed: x, Previous bw: 10000, Current bw: 20001 */ + MOCK(rep_hist_bandwidth_assess, mock_rep_hist_bandwidth_assess); + setup_full_capture_of_logs(LOG_INFO); + check_descriptor_bandwidth_changed(time(NULL) + 6*60*60 + 1); + expect_log_msg_containing( + "Measured bandwidth has changed; rebuilding descriptor."); + UNMOCK(get_uptime); + UNMOCK(rep_hist_bandwidth_assess); + teardown_capture_of_logs(); + + /* When uptime is more than 24h */ + MOCK(get_uptime, mock_get_uptime_1d); + setup_full_capture_of_logs(LOG_INFO); + check_descriptor_bandwidth_changed(time(NULL)); + expect_log_msg_not_containing( + "Measured bandwidth has changed; rebuilding descriptor."); + UNMOCK(get_uptime); + teardown_capture_of_logs(); + + done: + UNMOCK(router_get_my_routerinfo); +} + +#define ROUTER_TEST(name, flags) \ + { #name, test_router_ ## name, flags, NULL, NULL } + +struct testcase_t router_tests[] = { + ROUTER_TEST(check_descriptor_bandwidth_changed, TT_FORK), + END_OF_TESTCASES +}; +