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#include "../test.h"
#include <rxcpp/operators/rx-on_error_resume_next.hpp>
SCENARIO("on_error_resume_next stops on completion", "[on_error_resume_next][operators]"){
GIVEN("a test hot observable of ints"){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
long invoked = 0;
auto xs = sc.make_hot_observable({
on.next(180, 1),
on.next(210, 2),
on.next(240, 3),
on.next(290, 4),
on.next(350, 5),
on.completed(400),
on.next(410, -1),
on.completed(420),
on.error(430, std::runtime_error("error on unsubscribed stream"))
});
auto ys = sc.make_cold_observable({
on.next(10, -1),
on.completed(20),
});
WHEN("passed through unchanged"){
auto res = w.start(
[xs, ys, &invoked]() {
return xs
.on_error_resume_next([ys, &invoked](std::exception_ptr) {
invoked++;
return ys;
})
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output stops on completion"){
auto required = rxu::to_vector({
on.next(210, 2),
on.next(240, 3),
on.next(290, 4),
on.next(350, 5),
on.completed(400)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("there was one xs subscription and one unsubscription"){
auto required = rxu::to_vector({
on.subscribe(200, 400)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
THEN("there was no ys subscription"){
auto required = std::vector<rxcpp::notifications::subscription>();
auto actual = ys.subscriptions();
REQUIRE(required == actual);
}
THEN("on_error_resume_next selector was not called"){
REQUIRE(0 == invoked);
}
}
}
}
SCENARIO("on_error_resume_next stops on error", "[on_error_resume_next][operators]"){
GIVEN("a test hot observable of ints"){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
std::runtime_error ex("on_error_resume_next on_error from source");
long invoked = 0;
auto xs = sc.make_hot_observable({
on.next(180, 1),
on.next(210, 2),
on.next(240, 3),
on.next(290, 4),
on.error(300, ex),
on.next(350, 5),
on.completed(400),
on.next(410, -1),
on.completed(420),
on.error(430, std::runtime_error("error on unsubscribed stream"))
});
auto ys = sc.make_cold_observable({
on.next(10, -1),
on.completed(20),
});
WHEN("are resumed after an error"){
auto res = w.start(
[xs, ys, &invoked]() {
return xs
.on_error_resume_next([ys, &invoked](std::exception_ptr) {
invoked++;
return ys;
})
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output stops on completion"){
auto required = rxu::to_vector({
on.next(210, 2),
on.next(240, 3),
on.next(290, 4),
on.next(310, -1),
on.completed(320)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("there was one xs subscription and one unsubscription"){
auto required = rxu::to_vector({
on.subscribe(200, 300)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one ys subscription and one unsubscription"){
auto required = rxu::to_vector({
on.subscribe(300, 320)
});
auto actual = ys.subscriptions();
REQUIRE(required == actual);
}
THEN("on_error_resume_next selector was called once"){
REQUIRE(1 == invoked);
}
}
}
}
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