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/*
* Copyright 2009- ECMWF.
*
* This software is licensed under the terms of the Apache Licence version 2.0
* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
* In applying this licence, ECMWF does not waive the privileges and immunities
* granted to it by virtue of its status as an intergovernmental organisation
* nor does it submit to any jurisdiction.
*/
#include <iostream>
#include <boost/test/unit_test.hpp>
#include "ecflow/node/AbstractObserver.hpp"
#include "ecflow/node/Defs.hpp"
#include "ecflow/node/Family.hpp"
#include "ecflow/node/Suite.hpp"
#include "ecflow/test/scaffold/Naming.hpp"
using namespace std;
using namespace ecf;
class MyObserver : public AbstractObserver {
public:
explicit MyObserver(Defs* defs) : update_count_(0), defs_(defs), node_(nullptr) { defs->attach(this); }
explicit MyObserver(Node* node) : update_count_(0), defs_(nullptr), node_(node) { node->attach(this); }
~MyObserver() override {
/* std::cout << "~MyObserver()\n"; */
if (defs_) {
defs_->detach(this);
}
if (node_) {
node_->detach(this);
}
}
void update_start(const Node*, const std::vector<ecf::Aspect::Type>&) override {}
void update_start(const Defs*, const std::vector<ecf::Aspect::Type>&) override {}
void update(const Node*, const std::vector<ecf::Aspect::Type>&) override { update_count_++; }
void update(const Defs*, const std::vector<ecf::Aspect::Type>&) override { update_count_++; }
/// After this call, the node will be deleted, hence observers must *NOT* use the pointers
void update_delete(const Node* node) override {
// std::cout << "update_delete(const Node* node)\n";
const_cast<Node*>(node)->detach(this);
}
void update_delete(const Defs* defs) override {
// std::cout << "update_delete(const Defs* node)\n";
const_cast<Defs*>(defs)->detach(this);
}
int update_count() const { return update_count_; }
private:
int update_count_;
Defs* defs_;
Node* node_;
};
BOOST_AUTO_TEST_SUITE(U_Node)
BOOST_AUTO_TEST_SUITE(T_ChangeMgrSingleton)
BOOST_AUTO_TEST_CASE(test_change_mgr_singleton) {
ECF_NAME_THIS_TEST();
{
defs_ptr theDefs = Defs::create();
{
// ensure defs pointer out-lives the observer
MyObserver defs_obs(theDefs.get());
std::vector<ecf::Aspect::Type> aspects;
theDefs->notify(aspects);
theDefs->notify(aspects);
theDefs->notify(aspects);
theDefs->notify(aspects);
theDefs->notify(aspects);
BOOST_CHECK_MESSAGE(defs_obs.update_count() == 5, "Expected 5 update");
}
theDefs.reset();
}
{
// **** Note using node_ptr can extend the life of the Node, hence we use scoping ***
auto* theDefs = new Defs;
std::vector<MyObserver*> obs_vec;
{
{
suite_ptr suite = theDefs->add_suite("suite1");
family_ptr fam = suite->add_family("family");
fam->add_task("t1");
}
// get all nodes and observer them.
std::vector<node_ptr> node_vec;
theDefs->get_all_nodes(node_vec);
// Need to make sure life time of observer is greater than Node tree
for (auto& i : node_vec) {
obs_vec.push_back(new MyObserver(i.get()));
}
// Do some updates
std::vector<ecf::Aspect::Type> aspects;
for (auto& i : node_vec) {
i->notify(aspects);
i->notify(aspects);
}
for (auto& i : obs_vec) {
BOOST_CHECK_MESSAGE(i->update_count() == 2, "Expected 2 updates");
}
// delete observers
for (auto& i : obs_vec) {
delete i;
}
}
// make sure no node_ptr are in scope as they can *delay*
// the destructor to the end of the scope, and hence affect this test
delete theDefs;
}
}
BOOST_AUTO_TEST_SUITE_END()
BOOST_AUTO_TEST_SUITE_END()
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