112 lines
2.6 KiB
C++
112 lines
2.6 KiB
C++
#define CATCH_CONFIG_MAIN
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#include <catch.hpp>
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#include <thread>
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#include "etcd/Watcher.hpp"
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#include "etcd/SyncClient.hpp"
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static std::string etcd_uri("http://127.0.0.1:2379");
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static int watcher_called = 0;
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void printResponse(etcd::Response const & resp)
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{
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++watcher_called;
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std::cout << "print response called" << std::endl;
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if (resp.error_code()) {
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std::cout << resp.error_code() << ": " << resp.error_message() << std::endl;
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}
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else
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{
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std::cout << resp.action() << " " << resp.value().as_string() << std::endl;
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std::cout << "Previous value: " << resp.prev_value().as_string() << std::endl;
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}
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}
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TEST_CASE("create watcher with cancel")
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{
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etcd::SyncClient etcd(etcd_uri);
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etcd.rmdir("/test", true);
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watcher_called = 0;
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etcd::Watcher watcher(etcd_uri, "/test", printResponse, true);
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sleep(1);
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etcd.set("/test/key", "42");
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etcd.set("/test/key", "43");
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etcd.rm("/test/key");
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etcd.set("/test/key", "44");
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sleep(1);
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CHECK(4 == watcher_called);
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watcher.Cancel();
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etcd.set("/test/key", "50");
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etcd.set("/test/key", "51");
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sleep(1);
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CHECK(4 == watcher_called);
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etcd.rmdir("/test", true);
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}
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TEST_CASE("create watcher")
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{
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etcd::SyncClient etcd(etcd_uri);
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etcd.rmdir("/test", true);
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watcher_called = 0;
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{
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etcd::Watcher watcher(etcd_uri, "/test", printResponse, true);
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sleep(1);
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etcd.set("/test/key", "42");
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etcd.set("/test/key", "43");
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}
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CHECK(2 == watcher_called);
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etcd.rmdir("/test", true).error_code();
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}
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TEST_CASE("watch should exit normally")
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{
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// cancal immediately after start watch.
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etcd::Watcher watcher(etcd_uri, "/test", printResponse, true);
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watcher.Cancel();
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}
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TEST_CASE("watch should can be cancelled repeatedly")
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{
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// cancal immediately after start watch.
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etcd::Watcher watcher(etcd_uri, "/test", printResponse, true);
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std::vector<std::thread> threads(10);
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for (size_t i = 0; i < 10; ++i) {
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threads[i] = std::thread([&]() {
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watcher.Cancel();
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});
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}
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for (size_t i = 0; i < 10; ++i) {
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threads[i].join();
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}
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}
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// TEST_CASE("request cancellation")
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// {
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// etcd::Client etcd(etcd_uri);
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// etcd.set("/test/key1", "42").wait();
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// pplx::task<etcd::Response> res = etcd.watch("/test/key1");
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// CHECK(!res.is_done());
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// etcd.cancel_operations();
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// sleep(1);
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// REQUIRE(res.is_done());
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// try {
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// res.wait();
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// }
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// catch(pplx::task_canceled const & ex) {
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// std::cout << "pplx::task_canceled: " << ex.what() << "\n";
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// }
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// catch(std::exception const & ex) {
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// std::cout << "std::exception: " << ex.what() << "\n";
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// }
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// }
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