Prashanth Swaminathan | 652977d | 2020-10-16 13:18:05 -0700 | [diff] [blame] | 1 | // Copyright 2020 The Pigweed Authors |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| 4 | // use this file except in compliance with the License. You may obtain a copy of |
| 5 | // the License at |
| 6 | // |
| 7 | // https://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 11 | // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 12 | // License for the specific language governing permissions and limitations under |
| 13 | // the License. |
| 14 | |
| 15 | #include "pw_log_rpc/logs_rpc.h" |
| 16 | |
| 17 | #include "gtest/gtest.h" |
| 18 | #include "pw_log/log.h" |
| 19 | #include "pw_rpc/raw_test_method_context.h" |
| 20 | |
| 21 | namespace pw::log_rpc { |
| 22 | namespace { |
| 23 | |
| 24 | #define LOGS_METHOD_CONTEXT PW_RAW_TEST_METHOD_CONTEXT(Logs, Get) |
| 25 | |
| 26 | constexpr size_t kEncodeBufferSize = 128; |
| 27 | constexpr size_t kLogBufferSize = 4096; |
| 28 | |
| 29 | class LogQueueTester : public LogQueueWithEncodeBuffer<kLogBufferSize> { |
| 30 | public: |
| 31 | LogQueueTester(ByteSpan log_queue) |
| 32 | : LogQueueWithEncodeBuffer<kLogBufferSize>(log_queue) {} |
| 33 | |
| 34 | void SetPopStatus(Status error_status) { |
| 35 | pop_status_for_test_ = error_status; |
| 36 | } |
| 37 | }; |
| 38 | |
| 39 | class LogsService : public ::testing::Test { |
| 40 | public: |
| 41 | LogsService() : log_queue_(log_queue_buffer_) {} |
| 42 | |
| 43 | protected: |
| 44 | void AddLogs(const size_t log_count = 1) { |
| 45 | constexpr char kTokenizedMessage[] = "message"; |
| 46 | for (size_t i = 0; i < log_count; i++) { |
| 47 | EXPECT_EQ( |
Wyatt Hepler | 1b3da3a | 2021-01-07 13:26:57 -0800 | [diff] [blame] | 48 | OkStatus(), |
Prashanth Swaminathan | 652977d | 2020-10-16 13:18:05 -0700 | [diff] [blame] | 49 | log_queue_.PushTokenizedMessage( |
| 50 | std::as_bytes(std::span(kTokenizedMessage)), 0, 0, 0, 0, 0)); |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | static Logs& GetLogs(LOGS_METHOD_CONTEXT& context) { |
| 55 | return (Logs&)(context.service()); |
| 56 | } |
| 57 | |
| 58 | std::array<std::byte, kEncodeBufferSize> log_queue_buffer_; |
| 59 | LogQueueWithEncodeBuffer<kLogBufferSize> log_queue_; |
| 60 | }; |
| 61 | |
| 62 | TEST_F(LogsService, Get) { |
| 63 | constexpr size_t kLogEntryCount = 3; |
| 64 | std::array<std::byte, 1> rpc_buffer; |
| 65 | LOGS_METHOD_CONTEXT context(log_queue_); |
| 66 | |
| 67 | context.call(rpc_buffer); |
| 68 | |
| 69 | // Flush all logs from the buffer, then close the RPC. |
| 70 | AddLogs(kLogEntryCount); |
| 71 | GetLogs(context).Flush(); |
| 72 | GetLogs(context).Finish(); |
| 73 | |
| 74 | EXPECT_TRUE(context.done()); |
Wyatt Hepler | 1b3da3a | 2021-01-07 13:26:57 -0800 | [diff] [blame] | 75 | EXPECT_EQ(OkStatus(), context.status()); |
Prashanth Swaminathan | 652977d | 2020-10-16 13:18:05 -0700 | [diff] [blame] | 76 | |
| 77 | // Although |kLogEntryCount| messages were in the queue, they are batched |
| 78 | // before being written to the client, so there is only one response. |
| 79 | EXPECT_EQ(1U, context.total_responses()); |
| 80 | } |
| 81 | |
| 82 | TEST_F(LogsService, GetMultiple) { |
| 83 | constexpr size_t kLogEntryCount = 1; |
| 84 | constexpr size_t kFlushCount = 3; |
| 85 | std::array<std::byte, 1> rpc_buffer; |
| 86 | LOGS_METHOD_CONTEXT context(log_queue_); |
| 87 | |
| 88 | context.call(rpc_buffer); |
| 89 | |
| 90 | for (size_t i = 0; i < kFlushCount; i++) { |
| 91 | AddLogs(kLogEntryCount); |
| 92 | GetLogs(context).Flush(); |
| 93 | } |
| 94 | GetLogs(context).Finish(); |
| 95 | |
| 96 | EXPECT_TRUE(context.done()); |
Wyatt Hepler | 1b3da3a | 2021-01-07 13:26:57 -0800 | [diff] [blame] | 97 | EXPECT_EQ(OkStatus(), context.status()); |
Prashanth Swaminathan | 652977d | 2020-10-16 13:18:05 -0700 | [diff] [blame] | 98 | EXPECT_EQ(kFlushCount, context.total_responses()); |
| 99 | } |
| 100 | |
| 101 | TEST_F(LogsService, NoEntriesOnEmptyQueue) { |
| 102 | std::array<std::byte, 1> rpc_buffer; |
| 103 | LOGS_METHOD_CONTEXT context(log_queue_); |
| 104 | |
| 105 | // Invoking flush with no logs in the queue should behave like a no-op. |
| 106 | context.call(rpc_buffer); |
| 107 | GetLogs(context).Flush(); |
| 108 | GetLogs(context).Finish(); |
| 109 | |
| 110 | EXPECT_TRUE(context.done()); |
Wyatt Hepler | 1b3da3a | 2021-01-07 13:26:57 -0800 | [diff] [blame] | 111 | EXPECT_EQ(OkStatus(), context.status()); |
Prashanth Swaminathan | 652977d | 2020-10-16 13:18:05 -0700 | [diff] [blame] | 112 | EXPECT_EQ(0U, context.total_responses()); |
| 113 | } |
| 114 | |
| 115 | TEST_F(LogsService, QueueError) { |
| 116 | std::array<std::byte, 1> rpc_buffer; |
| 117 | LogQueueTester log_queue_tester(log_queue_buffer_); |
| 118 | LOGS_METHOD_CONTEXT context(log_queue_tester); |
| 119 | |
| 120 | // Generate failure on log queue. |
| 121 | log_queue_tester.SetPopStatus(Status::Internal()); |
| 122 | context.call(rpc_buffer); |
| 123 | GetLogs(context).Flush(); |
| 124 | GetLogs(context).Finish(); |
| 125 | |
| 126 | EXPECT_TRUE(context.done()); |
Wyatt Hepler | 1b3da3a | 2021-01-07 13:26:57 -0800 | [diff] [blame] | 127 | EXPECT_EQ(OkStatus(), context.status()); |
Prashanth Swaminathan | 652977d | 2020-10-16 13:18:05 -0700 | [diff] [blame] | 128 | EXPECT_EQ(0U, context.total_responses()); |
| 129 | } |
| 130 | |
| 131 | } // namespace |
| 132 | } // namespace pw::log_rpc |