| #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); |
| } |
| |
| } |
| } |
| } |