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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 <grpc/support/log.h>
#include <stdbool.h>
#include <string.h>
#include "src/core/lib/support/env.h"
#include "test/core/util/test_config.h"
static bool log_func_reached = false;
static void test_callback(gpr_log_func_args* args) {
GPR_ASSERT(0 == strcmp(__FILE__, args->file));
GPR_ASSERT(args->severity == GPR_LOG_SEVERITY_INFO);
GPR_ASSERT(0 == strcmp(args->message, "hello 1 2 3"));
}
static void test_should_log(gpr_log_func_args* args) {
log_func_reached = true;
}
static void test_should_not_log(gpr_log_func_args* args) { GPR_ASSERT(false); }
#define test_log_function_reached(SEVERITY) \
gpr_set_log_function(test_should_log); \
log_func_reached = false; \
gpr_log_message(SEVERITY, "hello 1 2 3"); \
GPR_ASSERT(log_func_reached); \
log_func_reached = false; \
gpr_log(SEVERITY, "hello %d %d %d", 1, 2, 3); \
GPR_ASSERT(log_func_reached);
#define test_log_function_unreached(SEVERITY) \
gpr_set_log_function(test_should_not_log); \
gpr_log_message(SEVERITY, "hello 1 2 3"); \
gpr_log(SEVERITY, "hello %d %d %d", 1, 2, 3);
int main(int argc, char** argv) {
grpc_test_init(argc, argv);
/* test logging at various verbosity levels */
gpr_log(GPR_DEBUG, "%s", "hello world");
gpr_log(GPR_INFO, "%s", "hello world");
gpr_log(GPR_ERROR, "%s", "hello world");
/* should succeed */
GPR_ASSERT(1);
gpr_set_log_function(test_callback);
gpr_log_message(GPR_INFO, "hello 1 2 3");
gpr_log(GPR_INFO, "hello %d %d %d", 1, 2, 3);
gpr_set_log_function(NULL);
/* gpr_log_verbosity_init() will be effective only once, and only before
* gpr_set_log_verbosity() is called */
gpr_setenv("GRPC_VERBOSITY", "ERROR");
gpr_log_verbosity_init();
test_log_function_reached(GPR_ERROR);
test_log_function_unreached(GPR_INFO);
test_log_function_unreached(GPR_DEBUG);
/* gpr_log_verbosity_init() should not be effective */
gpr_setenv("GRPC_VERBOSITY", "DEBUG");
gpr_log_verbosity_init();
test_log_function_reached(GPR_ERROR);
test_log_function_unreached(GPR_INFO);
test_log_function_unreached(GPR_DEBUG);
gpr_set_log_verbosity(GPR_LOG_SEVERITY_DEBUG);
test_log_function_reached(GPR_ERROR);
test_log_function_reached(GPR_INFO);
test_log_function_reached(GPR_DEBUG);
gpr_set_log_verbosity(GPR_LOG_SEVERITY_INFO);
test_log_function_reached(GPR_ERROR);
test_log_function_reached(GPR_INFO);
test_log_function_unreached(GPR_DEBUG);
gpr_set_log_verbosity(GPR_LOG_SEVERITY_ERROR);
test_log_function_reached(GPR_ERROR);
test_log_function_unreached(GPR_INFO);
test_log_function_unreached(GPR_DEBUG);
/* gpr_log_verbosity_init() should not be effective */
gpr_setenv("GRPC_VERBOSITY", "DEBUG");
gpr_log_verbosity_init();
test_log_function_reached(GPR_ERROR);
test_log_function_unreached(GPR_INFO);
test_log_function_unreached(GPR_DEBUG);
/* TODO(ctiller): should we add a GPR_ASSERT failure test here */
return 0;
}
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