You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@nifi.apache.org by GitBox <gi...@apache.org> on 2020/05/04 11:46:02 UTC
[GitHub] [nifi-minifi-cpp] hunyadi-dev commented on a change in pull request #773: MINIFICPP-1202 - Extend interface and add new tests for MinifiConcurrentQueue
hunyadi-dev commented on a change in pull request #773:
URL: https://github.com/apache/nifi-minifi-cpp/pull/773#discussion_r419377662
##########
File path: libminifi/test/unit/MinifiConcurrentQueueTests.cpp
##########
@@ -29,132 +29,290 @@
namespace utils = org::apache::nifi::minifi::utils;
-TEST_CASE("TestConqurrentQueue::testQueue", "[TestQueue]") {
- utils::ConcurrentQueue<std::string> queue;
- std::vector<std::string> results;
+namespace {
+
+namespace MinifiConcurrentQueueTestProducersConsumers {
- std::thread producer([&queue]() {
+ // Producers
+
+ template <typename Queue>
+ std::thread getSimpleProducerThread(Queue& queue) {
+ return std::thread([&queue] {
queue.enqueue("ba");
std::this_thread::sleep_for(std::chrono::milliseconds(3));
queue.enqueue("dum");
std::this_thread::sleep_for(std::chrono::milliseconds(3));
queue.enqueue("tss");
});
+ }
- std::thread consumer([&queue, &results]() {
- while (results.size() < 3) {
- std::string s;
- if (queue.tryDequeue(s)) {
- results.push_back(s);
- } else {
- std::this_thread::sleep_for(std::chrono::milliseconds(1));
- }
- }
+ std::thread getBlockedProducerThread(utils::ConditionConcurrentQueue<std::string>& queue, std::mutex& mutex) {
+ return std::thread([&queue, &mutex] {
+ std::unique_lock<std::mutex> lock(mutex);
+ queue.enqueue("ba");
+ std::this_thread::sleep_for(std::chrono::milliseconds(3));
+ queue.enqueue("dum");
+ std::this_thread::sleep_for(std::chrono::milliseconds(3));
+ queue.enqueue("tss");
});
+ }
- producer.join();
- consumer.join();
+ // Consumers
+
+ std::thread getSimpleTryDequeConsumerThread(utils::ConcurrentQueue<std::string>& queue, std::vector<std::string>& results) {
+ return std::thread([&queue, &results] {
+ while (results.size() < 3) {
+ std::string s;
+ if (queue.tryDequeue(s)) {
+ results.push_back(s);
+ } else {
+ std::this_thread::sleep_for(std::chrono::milliseconds(1));
+ }
+ }
+ });
+ }
- REQUIRE(utils::StringUtils::join("-", results) == "ba-dum-tss");
-}
+ std::thread getSimpleConsumeConsumerThread(utils::ConcurrentQueue<std::string>& queue, std::vector<std::string>& results) {
+ return std::thread([&queue, &results] {
+ while (results.size() < 3) {
+ std::string s;
+ if (!queue.consume([&results] (const std::string& s) { results.push_back(s); })) {
+ std::this_thread::sleep_for(std::chrono::milliseconds(1));
+ }
+ }
+ });
+ }
+ std::thread getDequeueWaitConsumerThread(utils::ConditionConcurrentQueue<std::string>& queue, std::vector<std::string>& results) {
+ return std::thread([&queue, &results] {
+ std::string s;
+ while (queue.dequeueWait(s)) {
+ results.push_back(s);
+ }
+ });
+ }
-TEST_CASE("TestConditionConqurrentQueue::testQueue", "[TestConditionQueue]") {
- utils::ConditionConcurrentQueue<std::string> queue(true);
- std::vector<std::string> results;
+ std::thread getConsumeWaitConsumerThread(utils::ConditionConcurrentQueue<std::string>& queue, std::vector<std::string>& results) {
+ return std::thread([&queue, &results] {
+ while (results.size() < 3) {
+ std::string s;
+ if (!queue.consumeWait([&results] (const std::string& s) { results.push_back(s); })) {
+ std::this_thread::sleep_for(std::chrono::milliseconds(1));
+ }
+ }
+ });
+ }
- std::thread producer([&queue]() {
- queue.enqueue("ba");
- std::this_thread::sleep_for(std::chrono::milliseconds(3));
- queue.enqueue("dum");
- std::this_thread::sleep_for(std::chrono::milliseconds(3));
- queue.enqueue("tss");
- });
+ std::thread getSpinningReaddingDequeueConsumerThread(utils::ConcurrentQueue<std::string>& queue, std::vector<std::string>& results) {
+ return std::thread([&queue, &results] {
+ while (results.size() < 3) {
+ std::string s;
+ if (queue.tryDequeue(s)) {
+ // Unique elements only
+ if (!std::count(results.begin(), results.end(), s)) {
+ results.push_back(s);
+ }
+ queue.enqueue(std::move(s));
+ } else {
+ std::this_thread::sleep_for(std::chrono::milliseconds(1));
+ }
+ }
+ });
+ }
- std::thread consumer([&queue, &results]() {
- std::string s;
- while (queue.dequeueWait(s)) {
- results.push_back(s);
- }
- });
+ std::thread getReaddingDequeueConsumerThread(utils::ConditionConcurrentQueue<std::string>& queue, std::vector<std::string>& results) {
+ return std::thread([&queue, &results] {
+ std::string s;
+ while (queue.dequeueWait(s)) {
+ if (!std::count(results.begin(), results.end(), s)) {
+ results.push_back(s);
+ }
+ // The consumer is busy enqueing so noone is waiting for this ;(
+ queue.enqueue(std::move(s));
+ }
+ });
+ }
- producer.join();
+ std::thread getDequeueWaitForConsumerThread(utils::ConditionConcurrentQueue<std::string>& queue, std::vector<std::string>& results) {
+ return std::thread([&queue, &results] {
+ const std::size_t max_read_attempts = 6;
+ std::size_t attemt_num = 0;
Review comment:
Thanks for linking the dictionary :)
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
users@infra.apache.org