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Add unit test for processing events behavior

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This commit is contained in:
Dawid Drozd 2021-06-18 12:55:52 +02:00
parent c084078117
commit 3bfa06b33c
1 changed files with 30 additions and 1 deletions
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31
test/unit/src/dexode/eventbus/test/SuiteEventBus.cpp
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@ -369,7 +369,6 @@ TEST_CASE("Should process event When listener transit", "[EventBus]")
REQUIRE(bus.process() == 0); REQUIRE(bus.process() == 0);
// All cases should be same because of deterministic way of processing // All cases should be same because of deterministic way of processing
SECTION("Post event before transit") SECTION("Post event before transit")
{ {
bus.postpone(event::Value{3}); // <-- before bus.postpone(event::Value{3}); // <-- before
@ -396,6 +395,36 @@ TEST_CASE("Should process event When listener transit", "[EventBus]")
CHECK(listenerBReceiveEvent == 1); CHECK(listenerBReceiveEvent == 1);
} }
TEST_CASE("Should NOT process event When listener unlisten before process", "[EventBus]")
{
EventBus bus;
auto listener = EventBus::Listener::createNotOwning(bus);
int listenerReceiveEvent = 0;
listener.listen([&](const event::Value& event) { ++listenerReceiveEvent; });
REQUIRE(bus.process() == 0);
bus.postpone(event::Value{3});
REQUIRE(bus.process() == 1);
CHECK(listenerReceiveEvent == 1);
// All cases should be same because of deterministic way of processing
SECTION("Post event before unlisten")
{
bus.postpone(event::Value{3}); // <-- before
listener.unlistenAll();
}
SECTION("Post event after transit")
{
listener.unlistenAll();
bus.postpone(event::Value{3}); // <-- after
}
REQUIRE(bus.process() == 1);
CHECK(listenerReceiveEvent == 1);
}
TEST_CASE("Should distinguish event producer When", "[EventBus]") TEST_CASE("Should distinguish event producer When", "[EventBus]")
{ {
// EventBus bus; // EventBus bus;