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#include "../test.h"
#include "rxcpp/operators/rx-time_interval.hpp"
using namespace std::chrono;
SCENARIO("should not emit time intervals if the source never emits any items", "[time_interval][operators]"){
GIVEN("a source"){
typedef rxsc::detail::test_type::clock_type::time_point::duration duration;
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
auto xs = sc.make_hot_observable({
on.next(150, 1)
});
WHEN("time_interval operator is invoked"){
auto res = w.start(
[xs]() {
return xs
| rxo::time_interval();
}
);
THEN("the output is empty"){
auto required = std::vector<rxsc::test::messages<duration>::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, 1000)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
}
}
}
SCENARIO("should not emit time intervals if the source observable is empty", "[time_interval][operators]"){
GIVEN("a source"){
typedef rxsc::detail::test_type::clock_type::time_point::duration duration;
auto sc = rxsc::make_test();
auto so = rx::synchronize_in_one_worker(sc);
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
const rxsc::test::messages<duration> on_time_interval;
auto xs = sc.make_hot_observable({
on.next(150, 1),
on.completed(250)
});
WHEN("time_interval operator is invoked"){
auto res = w.start(
[so, xs]() {
return xs.time_interval();
}
);
THEN("the output only contains complete message"){
auto required = rxu::to_vector({
on_time_interval.completed(250)
});
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("should emit time intervals for every item in the source observable", "[time_interval][operators]"){
GIVEN("a source"){
typedef rxsc::detail::test_type::clock_type clock_type;
typedef clock_type::time_point::duration duration;
auto sc = rxsc::make_test();
auto so = rx::synchronize_in_one_worker(sc);
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
const rxsc::test::messages<duration> on_time_interval;
auto xs = sc.make_hot_observable({
on.next(150, 1),
on.next(210, 2),
on.next(240, 3),
on.completed(250)
});
WHEN("time_interval operator is invoked"){
auto res = w.start(
[so, xs]() {
return xs.time_interval(so);
}
);
THEN("the output contains the emitted items while subscribed"){
auto required = rxu::to_vector({
on_time_interval.next(210, milliseconds(10)),
on_time_interval.next(240, milliseconds(30)),
on_time_interval.completed(250)
});
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("should emit time intervals and an error if there is an error", "[time_interval][operators]"){
GIVEN("a source"){
typedef rxsc::detail::test_type::clock_type clock_type;
typedef clock_type::time_point::duration duration;
auto sc = rxsc::make_test();
auto so = rx::synchronize_in_one_worker(sc);
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
const rxsc::test::messages<duration> on_time_interval;
std::runtime_error ex("on_error from source");
auto xs = sc.make_hot_observable({
on.next(150, 1),
on.next(210, 2),
on.next(240, 3),
on.error(250, ex)
});
WHEN("time_interval operator is invoked"){
auto res = w.start(
[so, xs]() {
return xs.time_interval(so);
}
);
THEN("the output contains emitted items and an error"){
auto required = rxu::to_vector({
on_time_interval.next(210, milliseconds(10)),
on_time_interval.next(240, milliseconds(30)),
on_time_interval.error(250, 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);
}
}
}
}
|
