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#include "../test.h"
#include <rxcpp/operators/rx-delay.hpp>
using namespace std::chrono;
SCENARIO("delay - never", "[delay][operators]"){
GIVEN("a source"){
auto sc = rxsc::make_test();
auto so = rx::synchronize_in_one_worker(sc);
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
auto xs = sc.make_hot_observable({
on.next(150, 1)
});
WHEN("values are delayed"){
auto res = w.start(
[so, xs]() {
return xs | rxo::delay(milliseconds(10), so);
}
);
THEN("the output is empty"){
auto required = std::vector<rxsc::test::messages<int>::recorded_type>();
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("there was 1 subscription/unsubscription to the source"){
auto required = rxu::to_vector({
on.subscribe(200, 1001)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
}
}
}
SCENARIO("delay - empty", "[delay][operators]"){
GIVEN("a source"){
auto sc = rxsc::make_test();
auto so = rx::synchronize_in_one_worker(sc);
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
auto xs = sc.make_hot_observable({
on.next(150, 1),
on.completed(250)
});
WHEN("values are delayed"){
auto res = w.start(
[so, xs]() {
return xs.delay(so, milliseconds(10));
}
);
THEN("the output only contains complete message"){
auto required = rxu::to_vector({
on.completed(260)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("there was 1 subscription/unsubscription to the source"){
auto required = rxu::to_vector({
on.subscribe(200, 250)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
}
}
}
SCENARIO("delay - return", "[delay][operators]"){
GIVEN("a source"){
auto sc = rxsc::make_test();
auto so = rx::synchronize_in_one_worker(sc);
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
auto xs = sc.make_hot_observable({
on.next(150, 1),
on.next(210, 2),
on.next(240, 3),
on.completed(300)
});
WHEN("values are delayed"){
auto res = w.start(
[so, xs]() {
return xs.delay(milliseconds(10), so);
}
);
THEN("the output only contains delayed items sent while subscribed"){
auto required = rxu::to_vector({
on.next(220, 2),
on.next(250, 3),
on.completed(310)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("there was 1 subscription/unsubscription to the source"){
auto required = rxu::to_vector({
on.subscribe(200, 300)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
}
}
}
SCENARIO("delay - throw", "[delay][operators]"){
GIVEN("a source"){
auto sc = rxsc::make_test();
auto so = rx::synchronize_in_one_worker(sc);
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
std::runtime_error ex("delay on_error from source");
auto xs = sc.make_hot_observable({
on.next(150, 1),
on.error(250, ex)
});
WHEN("values are delayed"){
auto res = w.start(
[so, xs]() {
return xs.delay(milliseconds(10), so);
}
);
THEN("the output only contains only error"){
auto required = rxu::to_vector({
on.error(251, ex)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("there was 1 subscription/unsubscription to the source"){
auto required = rxu::to_vector({
on.subscribe(200, 250)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
}
}
}
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