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/*
*
* Copyright 2016, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "src/core/ext/census/resource.h"
#include <grpc/census.h>
#include <grpc/support/log.h>
#include <grpc/support/port_platform.h>
#include <grpc/support/useful.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include "src/core/ext/census/base_resources.h"
#include "test/core/util/test_config.h"
// Test all the functionality for dealing with Resources.
// Just startup and shutdown resources subsystem.
static void test_enable_disable() {
initialize_resources();
shutdown_resources();
}
// A blank/empty initialization should not work.
static void test_empty_definition() {
initialize_resources();
int32_t rid = census_define_resource(NULL, 0);
GPR_ASSERT(rid == -1);
uint8_t buffer[50] = {0};
rid = census_define_resource(buffer, 50);
GPR_ASSERT(rid == -1);
shutdown_resources();
}
// Given a file name, read raw proto and define the resource included within.
// Returns resource id from census_define_resource().
static int32_t define_resource_from_file(const char *file) {
#define BUF_SIZE 512
uint8_t buffer[BUF_SIZE];
FILE *input = fopen(file, "rb");
GPR_ASSERT(input != NULL);
size_t nbytes = fread(buffer, 1, BUF_SIZE, input);
GPR_ASSERT(nbytes != 0 && nbytes < BUF_SIZE && feof(input) && !ferror(input));
int32_t rid = census_define_resource(buffer, nbytes);
GPR_ASSERT(fclose(input) == 0);
return rid;
}
// Test definition of a single resource, using a proto read from a file. The
// `succeed` parameter indicates whether we expect the definition to succeed or
// fail. `name` is used to check that the returned resource can be looked up by
// name.
static void test_define_single_resource(const char *file, const char *name,
bool succeed) {
gpr_log(GPR_INFO, "Test defining resource \"%s\"\n", name);
initialize_resources();
int32_t rid = define_resource_from_file(file);
if (succeed) {
GPR_ASSERT(rid >= 0);
int32_t rid2 = census_resource_id(name);
GPR_ASSERT(rid == rid2);
} else {
GPR_ASSERT(rid < 0);
}
shutdown_resources();
}
// Try deleting various resources (both those that exist and those that don't).
static void test_delete_resource() {
initialize_resources();
// Try deleting resource before any are defined.
census_delete_resource(0);
// Create and check a couple of resources.
int32_t rid1 = define_resource_from_file(
"test/core/census/data/resource_minimal_good.pb");
int32_t rid2 =
define_resource_from_file("test/core/census/data/resource_full.pb");
GPR_ASSERT(rid1 >= 0 && rid2 >= 0 && rid1 != rid2);
int32_t rid3 = census_resource_id("minimal_good");
int32_t rid4 = census_resource_id("full_resource");
GPR_ASSERT(rid1 == rid3 && rid2 == rid4);
// Try deleting non-existant resources.
census_delete_resource(-1);
census_delete_resource(rid1 + rid2 + 1);
census_delete_resource(10000000);
// Delete one of the previously defined resources and check for deletion.
census_delete_resource(rid1);
rid3 = census_resource_id("minimal_good");
GPR_ASSERT(rid3 < 0);
// Check that re-adding works.
rid1 = define_resource_from_file(
"test/core/census/data/resource_minimal_good.pb");
GPR_ASSERT(rid1 >= 0);
rid3 = census_resource_id("minimal_good");
GPR_ASSERT(rid1 == rid3);
shutdown_resources();
}
// Test define base resources.
static void test_base_resources() {
initialize_resources();
define_base_resources();
int32_t rid1 = census_resource_id("client_rpc_latency");
int32_t rid2 = census_resource_id("server_rpc_latency");
GPR_ASSERT(rid1 >= 0 && rid2 >= 0 && rid1 != rid2);
shutdown_resources();
}
int main(int argc, char **argv) {
grpc_test_init(argc, argv);
test_enable_disable();
test_empty_definition();
test_define_single_resource("test/core/census/data/resource_minimal_good.pb",
"minimal_good", true);
test_define_single_resource("test/core/census/data/resource_full.pb",
"full_resource", true);
test_define_single_resource("test/core/census/data/resource_no_name.pb",
"resource_no_name", false);
test_define_single_resource("test/core/census/data/resource_no_numerator.pb",
"resource_no_numerator", false);
test_define_single_resource("test/core/census/data/resource_no_unit.pb",
"resource_no_unit", false);
test_define_single_resource("test/core/census/data/resource_empty_name.pb",
"resource_empty_name", false);
test_delete_resource();
test_base_resources();
return 0;
}
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