Alistair Veitch | 4aaba75 | 2016-06-02 17:11:46 -0700 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright 2016, Google Inc. |
| 4 | * All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions are |
| 8 | * met: |
| 9 | * |
| 10 | * * Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * * Redistributions in binary form must reproduce the above |
| 13 | * copyright notice, this list of conditions and the following disclaimer |
| 14 | * in the documentation and/or other materials provided with the |
| 15 | * distribution. |
| 16 | * * Neither the name of Google Inc. nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived from |
| 18 | * this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | * |
| 32 | */ |
| 33 | |
| 34 | #include "src/core/ext/census/resource.h" |
| 35 | #include <grpc/census.h> |
| 36 | #include <grpc/support/log.h> |
| 37 | #include <grpc/support/port_platform.h> |
| 38 | #include <grpc/support/useful.h> |
| 39 | #include <stdbool.h> |
| 40 | #include <stdio.h> |
| 41 | #include <stdlib.h> |
| 42 | #include "src/core/ext/census/base_resources.h" |
| 43 | #include "test/core/util/test_config.h" |
| 44 | |
| 45 | // Test all the functionality for dealing with Resources. |
| 46 | |
| 47 | // Just startup and shutdown resources subsystem. |
| 48 | static void test_enable_disable() { |
| 49 | initialize_resources(); |
| 50 | shutdown_resources(); |
| 51 | } |
| 52 | |
| 53 | // A blank/empty initialization should not work. |
| 54 | static void test_empty_definition() { |
| 55 | initialize_resources(); |
| 56 | int32_t rid = census_define_resource(NULL, 0); |
| 57 | GPR_ASSERT(rid == -1); |
| 58 | uint8_t buffer[50] = {0}; |
| 59 | rid = census_define_resource(buffer, 50); |
| 60 | GPR_ASSERT(rid == -1); |
| 61 | shutdown_resources(); |
| 62 | } |
| 63 | |
| 64 | // Given a file name, read raw proto and define the resource included within. |
| 65 | // Returns resource id from census_define_resource(). |
| 66 | static int32_t define_resource_from_file(const char *file) { |
Alistair Veitch | 7a97fe2 | 2016-06-03 12:10:45 -0700 | [diff] [blame] | 67 | #define BUF_SIZE 512 |
| 68 | uint8_t buffer[BUF_SIZE]; |
Alistair Veitch | 8c7618e | 2016-07-26 10:30:36 -0700 | [diff] [blame] | 69 | FILE *input = fopen(file, "rb"); |
Alistair Veitch | 4aaba75 | 2016-06-02 17:11:46 -0700 | [diff] [blame] | 70 | GPR_ASSERT(input != NULL); |
Alistair Veitch | 7a97fe2 | 2016-06-03 12:10:45 -0700 | [diff] [blame] | 71 | size_t nbytes = fread(buffer, 1, BUF_SIZE, input); |
Alistair Veitch | 8c7618e | 2016-07-26 10:30:36 -0700 | [diff] [blame] | 72 | GPR_ASSERT(nbytes != 0 && nbytes < BUF_SIZE && feof(input) && !ferror(input)); |
Alistair Veitch | 4aaba75 | 2016-06-02 17:11:46 -0700 | [diff] [blame] | 73 | int32_t rid = census_define_resource(buffer, nbytes); |
| 74 | GPR_ASSERT(fclose(input) == 0); |
| 75 | return rid; |
| 76 | } |
| 77 | |
| 78 | // Test definition of a single resource, using a proto read from a file. The |
| 79 | // `succeed` parameter indicates whether we expect the definition to succeed or |
| 80 | // fail. `name` is used to check that the returned resource can be looked up by |
| 81 | // name. |
| 82 | static void test_define_single_resource(const char *file, const char *name, |
| 83 | bool succeed) { |
| 84 | gpr_log(GPR_INFO, "Test defining resource \"%s\"\n", name); |
| 85 | initialize_resources(); |
| 86 | int32_t rid = define_resource_from_file(file); |
| 87 | if (succeed) { |
| 88 | GPR_ASSERT(rid >= 0); |
| 89 | int32_t rid2 = census_resource_id(name); |
| 90 | GPR_ASSERT(rid == rid2); |
| 91 | } else { |
| 92 | GPR_ASSERT(rid < 0); |
| 93 | } |
| 94 | shutdown_resources(); |
| 95 | } |
| 96 | |
| 97 | // Try deleting various resources (both those that exist and those that don't). |
| 98 | static void test_delete_resource() { |
| 99 | initialize_resources(); |
| 100 | // Try deleting resource before any are defined. |
| 101 | census_delete_resource(0); |
| 102 | // Create and check a couple of resources. |
| 103 | int32_t rid1 = define_resource_from_file( |
| 104 | "test/core/census/data/resource_minimal_good.pb"); |
| 105 | int32_t rid2 = |
| 106 | define_resource_from_file("test/core/census/data/resource_full.pb"); |
| 107 | GPR_ASSERT(rid1 >= 0 && rid2 >= 0 && rid1 != rid2); |
| 108 | int32_t rid3 = census_resource_id("minimal_good"); |
| 109 | int32_t rid4 = census_resource_id("full_resource"); |
| 110 | GPR_ASSERT(rid1 == rid3 && rid2 == rid4); |
| 111 | // Try deleting non-existant resources. |
| 112 | census_delete_resource(-1); |
| 113 | census_delete_resource(rid1 + rid2 + 1); |
| 114 | census_delete_resource(10000000); |
| 115 | // Delete one of the previously defined resources and check for deletion. |
| 116 | census_delete_resource(rid1); |
| 117 | rid3 = census_resource_id("minimal_good"); |
| 118 | GPR_ASSERT(rid3 < 0); |
| 119 | // Check that re-adding works. |
| 120 | rid1 = define_resource_from_file( |
| 121 | "test/core/census/data/resource_minimal_good.pb"); |
| 122 | GPR_ASSERT(rid1 >= 0); |
| 123 | rid3 = census_resource_id("minimal_good"); |
| 124 | GPR_ASSERT(rid1 == rid3); |
| 125 | shutdown_resources(); |
| 126 | } |
| 127 | |
| 128 | // Test define base resources. |
| 129 | static void test_base_resources() { |
| 130 | initialize_resources(); |
| 131 | define_base_resources(); |
| 132 | int32_t rid1 = census_resource_id("client_rpc_latency"); |
| 133 | int32_t rid2 = census_resource_id("server_rpc_latency"); |
| 134 | GPR_ASSERT(rid1 >= 0 && rid2 >= 0 && rid1 != rid2); |
| 135 | shutdown_resources(); |
| 136 | } |
| 137 | |
| 138 | int main(int argc, char **argv) { |
| 139 | grpc_test_init(argc, argv); |
| 140 | test_enable_disable(); |
| 141 | test_empty_definition(); |
| 142 | test_define_single_resource("test/core/census/data/resource_minimal_good.pb", |
| 143 | "minimal_good", true); |
| 144 | test_define_single_resource("test/core/census/data/resource_full.pb", |
| 145 | "full_resource", true); |
| 146 | test_define_single_resource("test/core/census/data/resource_no_name.pb", |
| 147 | "resource_no_name", false); |
| 148 | test_define_single_resource("test/core/census/data/resource_no_numerator.pb", |
| 149 | "resource_no_numerator", false); |
| 150 | test_define_single_resource("test/core/census/data/resource_no_unit.pb", |
| 151 | "resource_no_unit", false); |
| 152 | test_define_single_resource("test/core/census/data/resource_empty_name.pb", |
| 153 | "resource_empty_name", false); |
| 154 | test_delete_resource(); |
| 155 | test_base_resources(); |
| 156 | return 0; |
| 157 | } |