Files
flexnbd-c/tests/unit/check_status.c
2018-02-20 11:02:33 +00:00

350 lines
8.8 KiB
C

#include "status.h"
#include "serve.h"
#include "ioutil.h"
#include "util.h"
#include "bitset.h"
#include <check.h>
struct server *mock_server(void)
{
struct server *out = xmalloc(sizeof(struct server));
out->l_start_mirror = flexthread_mutex_create();
out->nbd_client = xmalloc(sizeof(struct client_tbl_entry) * 4);
out->max_nbd_clients = 4;
out->size = 65536;
out->allocation_map = bitset_alloc(65536, 4096);
return out;
}
struct server *mock_mirroring_server(void)
{
struct server *out = mock_server();
out->mirror = xmalloc(sizeof(struct mirror));
out->mirror_super = xmalloc(sizeof(struct mirror_super));
return out;
}
void destroy_mock_server(struct server *serve)
{
if (NULL != serve->mirror) {
free(serve->mirror);
}
if (NULL != serve->mirror_super) {
free(serve->mirror_super);
}
flexthread_mutex_destroy(serve->l_start_mirror);
bitset_free(serve->allocation_map);
free(serve->nbd_client);
free(serve);
}
START_TEST(test_status_create)
{
struct server *server = mock_server();
struct status *status = status_create(server);
fail_if(NULL == status, "Status wasn't allocated");
status_destroy(status);
destroy_mock_server(server);
}
END_TEST
START_TEST(test_gets_has_control)
{
struct server *server = mock_server();
server->success = 1;
struct status *status = status_create(server);
fail_unless(status->has_control == 1, "has_control wasn't copied");
status_destroy(status);
destroy_mock_server(server);
}
END_TEST
START_TEST(test_gets_is_mirroring)
{
struct server *server = mock_server();
struct status *status = status_create(server);
fail_if(status->is_mirroring, "is_mirroring was set");
status_destroy(status);
destroy_mock_server(server);
server = mock_mirroring_server();
status = status_create(server);
fail_unless(status->is_mirroring, "is_mirroring wasn't set");
status_destroy(status);
destroy_mock_server(server);
}
END_TEST
START_TEST(test_gets_clients_allowed)
{
struct server *server = mock_server();
struct status *status = status_create(server);
fail_if(status->clients_allowed, "clients_allowed was set");
status_destroy(status);
server->allow_new_clients = 1;
status = status_create(server);
fail_unless(status->clients_allowed, "clients_allowed was not set");
status_destroy(status);
destroy_mock_server(server);
}
END_TEST
START_TEST(test_gets_pid)
{
struct server *server = mock_server();
struct status *status = status_create(server);
fail_unless(getpid() == status->pid, "Pid wasn't gathered");
status_destroy(status);
destroy_mock_server(server);
}
END_TEST
START_TEST(test_gets_size)
{
struct server *server = mock_server();
server->size = 1024;
struct status *status = status_create(server);
fail_unless(1024 == status->size, "Size wasn't gathered");
status_destroy(status);
destroy_mock_server(server);
}
END_TEST
START_TEST(test_gets_migration_statistics)
{
struct server *server = mock_mirroring_server();
server->mirror->all_dirty = 16384;
server->mirror->max_bytes_per_second = 32768;
server->mirror->offset = 0;
/* we have a bit of a time dependency here */
server->mirror->migration_started = monotonic_time_ms();
struct status *status = status_create(server);
fail_unless(0 == status->migration_duration ||
1 == status->migration_duration ||
2 == status->migration_duration,
"migration_duration is unreasonable!");
fail_unless(16384 / (status->migration_duration + 1) ==
status->migration_speed,
"migration_speed not calculated correctly");
fail_unless(32768 == status->migration_speed_limit,
"migration_speed_limit not read");
// ( size / current_bps ) + 1 happens to be 3 for this test
fail_unless(3 == status->migration_seconds_left,
"migration_seconds_left not gathered");
status_destroy(status);
destroy_mock_server(server);
}
END_TEST
#define RENDER_TEST_SETUP \
struct status status; \
int fds[2]; \
pipe( fds );
void fail_unless_rendered(int fd, char *fragment)
{
char buf[1024] = { 0 };
char emsg[1024] = { 0 };
char *found = NULL;
sprintf(emsg, "Fragment: %s not found", fragment);
fail_unless(read_until_newline(fd, buf, 1024) > 0, "Couldn't read");
found = strstr(buf, fragment);
fail_if(NULL == found, emsg);
return;
}
void fail_if_rendered(int fd, char *fragment)
{
char buf[1024] = { 0 };
char emsg[1024] = { 0 };
char *found = NULL;
sprintf(emsg, "Fragment: %s found", fragment);
fail_unless(read_until_newline(fd, buf, 1024) > 0, "Couldn't read");
found = strstr(buf, fragment);
fail_unless(NULL == found, emsg);
return;
}
START_TEST(test_renders_has_control)
{
RENDER_TEST_SETUP status.has_control = 1;
status_write(&status, fds[1]);
fail_unless_rendered(fds[0], "has_control=true");
status.has_control = 0;
status_write(&status, fds[1]);
fail_unless_rendered(fds[0], "has_control=false");
}
END_TEST
START_TEST(test_renders_is_mirroring)
{
RENDER_TEST_SETUP status.is_mirroring = 1;
status_write(&status, fds[1]);
fail_unless_rendered(fds[0], "is_mirroring=true");
status.is_mirroring = 0;
status_write(&status, fds[1]);
fail_unless_rendered(fds[0], "is_mirroring=false");
}
END_TEST
START_TEST(test_renders_clients_allowed)
{
RENDER_TEST_SETUP status.clients_allowed = 1;
status_write(&status, fds[1]);
fail_unless_rendered(fds[0], "clients_allowed=true");
status.clients_allowed = 0;
status_write(&status, fds[1]);
fail_unless_rendered(fds[0], "clients_allowed=false");
}
END_TEST
START_TEST(test_renders_num_clients)
{
RENDER_TEST_SETUP status.num_clients = 0;
status_write(&status, fds[1]);
fail_unless_rendered(fds[0], "num_clients=0");
status.num_clients = 4000;
status_write(&status, fds[1]);
fail_unless_rendered(fds[0], "num_clients=4000");
}
END_TEST
START_TEST(test_renders_pid)
{
RENDER_TEST_SETUP status.pid = 42;
status_write(&status, fds[1]);
fail_unless_rendered(fds[0], "pid=42");
}
END_TEST
START_TEST(test_renders_size)
{
RENDER_TEST_SETUP status.size = ((uint64_t) 1 << 33);
status_write(&status, fds[1]);
fail_unless_rendered(fds[0], "size=8589934592");
}
END_TEST
START_TEST(test_renders_migration_statistics)
{
RENDER_TEST_SETUP status.is_mirroring = 0;
status.migration_duration = 8;
status.migration_speed = 40000000;
status.migration_speed_limit = 40000001;
status.migration_seconds_left = 1;
status.migration_bytes_left = 5000;
status_write(&status, fds[1]);
fail_if_rendered(fds[0], "migration_duration");
status_write(&status, fds[1]);
fail_if_rendered(fds[0], "migration_speed");
status_write(&status, fds[1]);
fail_if_rendered(fds[0], "migration_speed_limit");
status_write(&status, fds[1]);
fail_if_rendered(fds[0], "migration_seconds_left");
status.is_mirroring = 1;
status_write(&status, fds[1]);
fail_unless_rendered(fds[0], "migration_duration=8");
status_write(&status, fds[1]);
fail_unless_rendered(fds[0], "migration_speed=40000000");
status_write(&status, fds[1]);
fail_unless_rendered(fds[0], "migration_speed_limit=40000001");
status_write(&status, fds[1]);
fail_unless_rendered(fds[0], "migration_seconds_left=1");
status_write(&status, fds[1]);
fail_unless_rendered(fds[0], "migration_bytes_left=5000");
status.migration_speed_limit = UINT64_MAX;
status_write(&status, fds[1]);
fail_if_rendered(fds[0], "migration_speed_limit");
}
END_TEST
Suite * status_suite(void)
{
Suite *s = suite_create("status");
TCase *tc_create = tcase_create("create");
TCase *tc_render = tcase_create("render");
tcase_add_test(tc_create, test_status_create);
tcase_add_test(tc_create, test_gets_has_control);
tcase_add_test(tc_create, test_gets_is_mirroring);
tcase_add_test(tc_create, test_gets_clients_allowed);
tcase_add_test(tc_create, test_gets_pid);
tcase_add_test(tc_create, test_gets_size);
tcase_add_test(tc_create, test_gets_migration_statistics);
tcase_add_test(tc_render, test_renders_has_control);
tcase_add_test(tc_render, test_renders_is_mirroring);
tcase_add_test(tc_render, test_renders_clients_allowed);
tcase_add_test(tc_render, test_renders_num_clients);
tcase_add_test(tc_render, test_renders_pid);
tcase_add_test(tc_render, test_renders_size);
tcase_add_test(tc_render, test_renders_migration_statistics);
suite_add_tcase(s, tc_create);
suite_add_tcase(s, tc_render);
return s;
}
int main(void)
{
int number_failed;
Suite *s = status_suite();
SRunner *sr = srunner_create(s);
srunner_run_all(sr, CK_NORMAL);
number_failed = srunner_ntests_failed(sr);
srunner_free(sr);
return (number_failed == 0) ? 0 : 1;
}