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/*
*
* Copyright 2015 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include "src/core/lib/transport/connectivity_state.h"
#include <string.h>
#include <grpc/support/log.h>
#include "src/core/lib/iomgr/exec_ctx.h"
#include "test/core/util/test_config.h"
#include "test/core/util/tracer_util.h"
#define THE_ARG ((void*)(size_t)0xcafebabe)
int g_counter;
static void must_succeed(void* arg, grpc_error* error) {
GPR_ASSERT(error == GRPC_ERROR_NONE);
GPR_ASSERT(arg == THE_ARG);
g_counter++;
}
static void must_fail(void* arg, grpc_error* error) {
GPR_ASSERT(error != GRPC_ERROR_NONE);
GPR_ASSERT(arg == THE_ARG);
g_counter++;
}
static void test_connectivity_state_name(void) {
gpr_log(GPR_DEBUG, "test_connectivity_state_name");
GPR_ASSERT(0 ==
strcmp(grpc_connectivity_state_name(GRPC_CHANNEL_IDLE), "IDLE"));
GPR_ASSERT(0 == strcmp(grpc_connectivity_state_name(GRPC_CHANNEL_CONNECTING),
"CONNECTING"));
GPR_ASSERT(0 ==
strcmp(grpc_connectivity_state_name(GRPC_CHANNEL_READY), "READY"));
GPR_ASSERT(
0 == strcmp(grpc_connectivity_state_name(GRPC_CHANNEL_TRANSIENT_FAILURE),
"TRANSIENT_FAILURE"));
GPR_ASSERT(0 == strcmp(grpc_connectivity_state_name(GRPC_CHANNEL_SHUTDOWN),
"SHUTDOWN"));
}
static void test_check(void) {
grpc_connectivity_state_tracker tracker;
grpc_core::ExecCtx exec_ctx;
grpc_error* error;
gpr_log(GPR_DEBUG, "test_check");
grpc_connectivity_state_init(&tracker, GRPC_CHANNEL_IDLE, "xxx");
GPR_ASSERT(grpc_connectivity_state_get(&tracker, &error) ==
GRPC_CHANNEL_IDLE);
GPR_ASSERT(grpc_connectivity_state_check(&tracker) == GRPC_CHANNEL_IDLE);
GPR_ASSERT(error == GRPC_ERROR_NONE);
grpc_connectivity_state_destroy(&tracker);
}
static void test_subscribe_then_unsubscribe(void) {
grpc_connectivity_state_tracker tracker;
grpc_closure* closure =
GRPC_CLOSURE_CREATE(must_fail, THE_ARG, grpc_schedule_on_exec_ctx);
grpc_connectivity_state state = GRPC_CHANNEL_IDLE;
grpc_core::ExecCtx exec_ctx;
gpr_log(GPR_DEBUG, "test_subscribe_then_unsubscribe");
g_counter = 0;
grpc_connectivity_state_init(&tracker, GRPC_CHANNEL_IDLE, "xxx");
GPR_ASSERT(grpc_connectivity_state_notify_on_state_change(&tracker, &state,
closure));
grpc_core::ExecCtx::Get()->Flush();
GPR_ASSERT(state == GRPC_CHANNEL_IDLE);
GPR_ASSERT(g_counter == 0);
grpc_connectivity_state_notify_on_state_change(&tracker, nullptr, closure);
grpc_core::ExecCtx::Get()->Flush();
GPR_ASSERT(state == GRPC_CHANNEL_IDLE);
GPR_ASSERT(g_counter == 1);
grpc_connectivity_state_destroy(&tracker);
}
static void test_subscribe_then_destroy(void) {
grpc_connectivity_state_tracker tracker;
grpc_closure* closure =
GRPC_CLOSURE_CREATE(must_succeed, THE_ARG, grpc_schedule_on_exec_ctx);
grpc_connectivity_state state = GRPC_CHANNEL_IDLE;
grpc_core::ExecCtx exec_ctx;
gpr_log(GPR_DEBUG, "test_subscribe_then_destroy");
g_counter = 0;
grpc_connectivity_state_init(&tracker, GRPC_CHANNEL_IDLE, "xxx");
GPR_ASSERT(grpc_connectivity_state_notify_on_state_change(&tracker, &state,
closure));
grpc_core::ExecCtx::Get()->Flush();
GPR_ASSERT(state == GRPC_CHANNEL_IDLE);
GPR_ASSERT(g_counter == 0);
grpc_connectivity_state_destroy(&tracker);
grpc_core::ExecCtx::Get()->Flush();
GPR_ASSERT(state == GRPC_CHANNEL_SHUTDOWN);
GPR_ASSERT(g_counter == 1);
}
static void test_subscribe_with_failure_then_destroy(void) {
grpc_connectivity_state_tracker tracker;
grpc_closure* closure =
GRPC_CLOSURE_CREATE(must_fail, THE_ARG, grpc_schedule_on_exec_ctx);
grpc_connectivity_state state = GRPC_CHANNEL_SHUTDOWN;
grpc_core::ExecCtx exec_ctx;
gpr_log(GPR_DEBUG, "test_subscribe_with_failure_then_destroy");
g_counter = 0;
grpc_connectivity_state_init(&tracker, GRPC_CHANNEL_SHUTDOWN, "xxx");
GPR_ASSERT(0 == grpc_connectivity_state_notify_on_state_change(
&tracker, &state, closure));
grpc_core::ExecCtx::Get()->Flush();
GPR_ASSERT(state == GRPC_CHANNEL_SHUTDOWN);
GPR_ASSERT(g_counter == 0);
grpc_connectivity_state_destroy(&tracker);
grpc_core::ExecCtx::Get()->Flush();
GPR_ASSERT(state == GRPC_CHANNEL_SHUTDOWN);
GPR_ASSERT(g_counter == 1);
}
int main(int argc, char** argv) {
grpc::testing::TestEnvironment env(argc, argv);
grpc_init();
grpc_core::testing::grpc_tracer_enable_flag(&grpc_connectivity_state_trace);
test_connectivity_state_name();
test_check();
test_subscribe_then_unsubscribe();
test_subscribe_then_destroy();
test_subscribe_with_failure_then_destroy();
grpc_shutdown();
return 0;
}
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