1 //
2 //
3 // Copyright 2015 gRPC authors.
4 //
5 // Licensed under the Apache License, Version 2.0 (the "License");
6 // you may not use this file except in compliance with the License.
7 // You may obtain a copy of the License at
8 //
9 // http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS,
13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 // See the License for the specific language governing permissions and
15 // limitations under the License.
16 //
17 //
18
19 #include <string.h>
20
21 #include <memory>
22
23 #include <gtest/gtest.h>
24
25 #include <grpc/support/log.h>
26
27 #include "src/core/lib/gprpp/crash.h"
28 #include "test/core/util/test_config.h"
29
30 static bool log_func_reached = false;
31
test_callback(gpr_log_func_args * args)32 static void test_callback(gpr_log_func_args* args) {
33 GPR_ASSERT(0 == strcmp(__FILE__, args->file));
34 GPR_ASSERT(args->severity == GPR_LOG_SEVERITY_INFO);
35 GPR_ASSERT(0 == strcmp(args->message, "hello 1 2 3"));
36 }
37
test_should_log(gpr_log_func_args *)38 static void test_should_log(gpr_log_func_args* /*args*/) {
39 log_func_reached = true;
40 }
41
test_should_not_log(gpr_log_func_args *)42 static void test_should_not_log(gpr_log_func_args* /*args*/) {
43 grpc_core::Crash("unreachable");
44 }
45
46 #define test_log_function_reached(SEVERITY) \
47 gpr_set_log_function(test_should_log); \
48 log_func_reached = false; \
49 gpr_log_message(SEVERITY, "hello 1 2 3"); \
50 GPR_ASSERT(log_func_reached); \
51 log_func_reached = false; \
52 gpr_log(SEVERITY, "hello %d %d %d", 1, 2, 3); \
53 GPR_ASSERT(log_func_reached); \
54 gpr_set_log_function(nullptr);
55
56 #define test_log_function_unreached(SEVERITY) \
57 gpr_set_log_function(test_should_not_log); \
58 gpr_log_message(SEVERITY, "hello 1 2 3"); \
59 gpr_log(SEVERITY, "hello %d %d %d", 1, 2, 3); \
60 gpr_set_log_function(nullptr);
61
TEST(LogTest,Basic)62 TEST(LogTest, Basic) {
63 // test logging at various verbosity levels
64 gpr_log(GPR_DEBUG, "%s", "hello world");
65 gpr_log(GPR_INFO, "%s", "hello world");
66 gpr_log(GPR_ERROR, "%s", "hello world");
67 // should succeed
68 GPR_ASSERT(1);
69 gpr_set_log_function(test_callback);
70 gpr_log_message(GPR_INFO, "hello 1 2 3");
71 gpr_log(GPR_INFO, "hello %d %d %d", 1, 2, 3);
72 gpr_set_log_function(nullptr);
73 }
74
TEST(LogTest,LogVerbosity)75 TEST(LogTest, LogVerbosity) {
76 gpr_set_log_verbosity(GPR_LOG_SEVERITY_DEBUG);
77 test_log_function_reached(GPR_ERROR);
78 test_log_function_reached(GPR_INFO);
79 test_log_function_reached(GPR_DEBUG);
80
81 gpr_set_log_verbosity(GPR_LOG_SEVERITY_INFO);
82 test_log_function_reached(GPR_ERROR);
83 test_log_function_reached(GPR_INFO);
84 test_log_function_unreached(GPR_DEBUG);
85
86 gpr_set_log_verbosity(GPR_LOG_SEVERITY_ERROR);
87 test_log_function_reached(GPR_ERROR);
88 test_log_function_unreached(GPR_INFO);
89 test_log_function_unreached(GPR_DEBUG);
90 }
91
main(int argc,char ** argv)92 int main(int argc, char** argv) {
93 grpc::testing::TestEnvironment env(&argc, argv);
94 ::testing::InitGoogleTest(&argc, argv);
95 int ret = RUN_ALL_TESTS();
96 return ret;
97 }
98