#include "../test.h"
#include "rxcpp/operators/rx-amb.hpp"
SCENARIO("amb never 3", "[amb][join][operators]"){
GIVEN("1 cold observable with 3 hot observables of ints."){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
const rxsc::test::messages<rx::observable<int>> o_on;
auto ys1 = sc.make_hot_observable({
on.next(100, 1)
});
auto ys2 = sc.make_hot_observable({
on.next(110, 2)
});
auto ys3 = sc.make_hot_observable({
on.next(120, 3)
});
auto xs = sc.make_cold_observable({
o_on.next(100, ys1),
o_on.next(100, ys2),
o_on.next(100, ys3),
o_on.completed(200)
});
WHEN("the first observable is selected to produce ints"){
auto res = w.start(
[&]() {
return xs
| rxo::amb()
// forget type to workaround lambda deduction bug on msvc 2013
| rxo::as_dynamic();
}
);
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 one subscription and one unsubscription to the xs"){
auto required = rxu::to_vector({
on.subscribe(200, 400)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys1"){
auto required = rxu::to_vector({
on.subscribe(300, 1000)
});
auto actual = ys1.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys2"){
auto required = rxu::to_vector({
on.subscribe(300, 1000)
});
auto actual = ys2.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys3"){
auto required = rxu::to_vector({
on.subscribe(300, 1000)
});
auto actual = ys3.subscriptions();
REQUIRE(required == actual);
}
}
}
}
SCENARIO("amb never empty", "[amb][join][operators]"){
GIVEN("1 cold observable with 2 hot observables of ints."){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
const rxsc::test::messages<rx::observable<int>> o_on;
auto ys1 = sc.make_hot_observable({
on.next(100, 1)
});
auto ys2 = sc.make_hot_observable({
on.next(110, 2),
on.completed(400)
});
auto xs = sc.make_cold_observable({
o_on.next(100, ys1),
o_on.next(100, ys2),
o_on.completed(150)
});
WHEN("the first observable is selected to produce ints"){
auto res = w.start(
[&]() {
return xs
.amb()
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output contains only complete message"){
auto required = rxu::to_vector({
on.completed(400)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the xs"){
auto required = rxu::to_vector({
on.subscribe(200, 350)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys1"){
auto required = rxu::to_vector({
on.subscribe(300, 400)
});
auto actual = ys1.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys2"){
auto required = rxu::to_vector({
on.subscribe(300, 400)
});
auto actual = ys2.subscriptions();
REQUIRE(required == actual);
}
}
}
}
SCENARIO("amb completes", "[amb][join][operators]"){
GIVEN("1 cold observable with 3 cold observables of ints."){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
const rxsc::test::messages<rx::observable<int>> o_on;
auto ys1 = sc.make_cold_observable({
on.next(10, 101),
on.next(110, 102),
on.next(210, 103),
on.completed(310)
});
auto ys2 = sc.make_cold_observable({
on.next(20, 201),
on.next(120, 202),
on.next(220, 203),
on.completed(320)
});
auto ys3 = sc.make_cold_observable({
on.next(30, 301),
on.next(130, 302),
on.next(230, 303),
on.completed(330)
});
auto xs = sc.make_cold_observable({
o_on.next(100, ys1),
o_on.next(100, ys2),
o_on.next(100, ys3),
o_on.completed(100)
});
WHEN("the first observable is selected to produce ints"){
auto res = w.start(
[&]() {
return xs
.amb()
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output contains ints from the first observable"){
auto required = rxu::to_vector({
on.next(310, 101),
on.next(410, 102),
on.next(510, 103),
on.completed(610)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the xs"){
auto required = rxu::to_vector({
on.subscribe(200, 300)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys1"){
auto required = rxu::to_vector({
on.subscribe(300, 610)
});
auto actual = ys1.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys2"){
auto required = rxu::to_vector({
on.subscribe(300, 310)
});
auto actual = ys2.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys3"){
auto required = rxu::to_vector({
on.subscribe(300, 310)
});
auto actual = ys3.subscriptions();
REQUIRE(required == actual);
}
}
}
}
SCENARIO("amb winner throws", "[amb][join][operators]"){
GIVEN("1 cold observable with 3 cold observables of ints."){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
const rxsc::test::messages<rx::observable<int>> o_on;
std::runtime_error ex("amb on_error from source");
auto ys1 = sc.make_cold_observable({
on.next(10, 101),
on.next(110, 102),
on.next(210, 103),
on.error(310, ex)
});
auto ys2 = sc.make_cold_observable({
on.next(20, 201),
on.next(120, 202),
on.next(220, 203),
on.completed(320)
});
auto ys3 = sc.make_cold_observable({
on.next(30, 301),
on.next(130, 302),
on.next(230, 303),
on.completed(330)
});
auto xs = sc.make_cold_observable({
o_on.next(100, ys1),
o_on.next(100, ys2),
o_on.next(100, ys3),
o_on.completed(100)
});
WHEN("the first observable is selected to produce ints"){
auto res = w.start(
[&]() {
return xs
.amb()
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output contains ints from the first observable"){
auto required = rxu::to_vector({
on.next(310, 101),
on.next(410, 102),
on.next(510, 103),
on.error(610, ex)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the xs"){
auto required = rxu::to_vector({
on.subscribe(200, 300)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys1"){
auto required = rxu::to_vector({
on.subscribe(300, 610)
});
auto actual = ys1.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys2"){
auto required = rxu::to_vector({
on.subscribe(300, 310)
});
auto actual = ys2.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys3"){
auto required = rxu::to_vector({
on.subscribe(300, 310)
});
auto actual = ys3.subscriptions();
REQUIRE(required == actual);
}
}
}
}
SCENARIO("amb loser throws", "[amb][join][operators]"){
GIVEN("1 cold observable with 3 cold observables of ints."){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
const rxsc::test::messages<rx::observable<int>> o_on;
std::runtime_error ex("amb on_error from source");
auto ys1 = sc.make_cold_observable({
on.next(10, 101),
on.next(110, 102),
on.next(210, 103),
on.completed(310)
});
auto ys2 = sc.make_cold_observable({
on.error(20, ex)
});
auto ys3 = sc.make_cold_observable({
on.next(30, 301),
on.next(130, 302),
on.next(230, 303),
on.completed(330)
});
auto xs = sc.make_cold_observable({
o_on.next(100, ys1),
o_on.next(100, ys2),
o_on.next(100, ys3),
o_on.completed(100)
});
WHEN("the first observable is selected to produce ints"){
auto res = w.start(
[&]() {
return xs
.amb()
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output contains ints from the first observable"){
auto required = rxu::to_vector({
on.next(310, 101),
on.next(410, 102),
on.next(510, 103),
on.completed(610)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the xs"){
auto required = rxu::to_vector({
on.subscribe(200, 300)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys1"){
auto required = rxu::to_vector({
on.subscribe(300, 610)
});
auto actual = ys1.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys2"){
auto required = rxu::to_vector({
on.subscribe(300, 310)
});
auto actual = ys2.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys3"){
auto required = rxu::to_vector({
on.subscribe(300, 310)
});
auto actual = ys3.subscriptions();
REQUIRE(required == actual);
}
}
}
}
SCENARIO("amb throws before selection", "[amb][join][operators]"){
GIVEN("1 cold observable with 3 cold observables of ints."){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
const rxsc::test::messages<rx::observable<int>> o_on;
std::runtime_error ex("amb on_error from source");
auto ys1 = sc.make_cold_observable({
on.next(110, 1),
on.completed(200)
});
auto ys2 = sc.make_cold_observable({
on.error(50, ex)
});
auto ys3 = sc.make_cold_observable({
on.next(130, 3),
on.completed(300)
});
auto xs = sc.make_cold_observable({
o_on.next(100, ys1),
o_on.next(100, ys2),
o_on.next(100, ys3),
o_on.completed(100)
});
WHEN("the first observable is selected to produce ints"){
auto res = w.start(
[&]() {
return xs
.amb()
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output contains only an error"){
auto required = rxu::to_vector({
on.error(350, ex)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the xs"){
auto required = rxu::to_vector({
on.subscribe(200, 300)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys1"){
auto required = rxu::to_vector({
on.subscribe(300, 350)
});
auto actual = ys1.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys2"){
auto required = rxu::to_vector({
on.subscribe(300, 350)
});
auto actual = ys2.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys3"){
auto required = rxu::to_vector({
on.subscribe(300, 350)
});
auto actual = ys3.subscriptions();
REQUIRE(required == actual);
}
}
}
}
SCENARIO("amb throws before selection and emission end", "[amb][join][operators]"){
GIVEN("1 cold observable with 3 cold observables of ints."){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
const rxsc::test::messages<rx::observable<int>> o_on;
std::runtime_error ex("amb on_error from source");
auto ys1 = sc.make_cold_observable({
on.next(110, 1),
on.completed(200)
});
auto ys2 = sc.make_cold_observable({
on.error(50, ex)
});
auto ys3 = sc.make_cold_observable({
on.next(130, 3),
on.completed(300)
});
auto xs = sc.make_cold_observable({
o_on.next(100, ys1),
o_on.next(100, ys2),
o_on.next(100, ys3),
o_on.completed(500)
});
WHEN("the first observable is selected to produce ints"){
auto res = w.start(
[&]() {
return xs
.amb()
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output contains only an error"){
auto required = rxu::to_vector({
on.error(350, ex)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the xs"){
auto required = rxu::to_vector({
on.subscribe(200, 350)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys1"){
auto required = rxu::to_vector({
on.subscribe(300, 350)
});
auto actual = ys1.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys2"){
auto required = rxu::to_vector({
on.subscribe(300, 350)
});
auto actual = ys2.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys3"){
auto required = rxu::to_vector({
on.subscribe(300, 350)
});
auto actual = ys3.subscriptions();
REQUIRE(required == actual);
}
}
}
}
SCENARIO("amb loser comes when winner has already emitted", "[amb][join][operators]"){
GIVEN("1 cold observable with 3 cold observables of ints."){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
const rxsc::test::messages<rx::observable<int>> o_on;
auto ys1 = sc.make_cold_observable({
on.next(10, 101),
on.next(110, 102),
on.next(210, 103),
on.completed(310)
});
auto ys2 = sc.make_cold_observable({
on.next(20, 201),
on.next(120, 202),
on.next(220, 203),
on.completed(320)
});
auto ys3 = sc.make_cold_observable({
on.next(30, 301),
on.next(130, 302),
on.next(230, 303),
on.completed(330)
});
auto xs = sc.make_cold_observable({
o_on.next(100, ys1),
o_on.next(100, ys2),
o_on.next(200, ys3),
o_on.completed(200)
});
WHEN("the first observable is selected to produce ints"){
auto res = w.start(
[&]() {
return xs
.amb()
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output contains ints from the first observable"){
auto required = rxu::to_vector({
on.next(310, 101),
on.next(410, 102),
on.next(510, 103),
on.completed(610)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the xs"){
auto required = rxu::to_vector({
on.subscribe(200, 400)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys1"){
auto required = rxu::to_vector({
on.subscribe(300, 610)
});
auto actual = ys1.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys2"){
auto required = rxu::to_vector({
on.subscribe(300, 310)
});
auto actual = ys2.subscriptions();
REQUIRE(required == actual);
}
THEN("there were no subscriptions to the ys3"){
auto required = std::vector<rxn::subscription>();
auto actual = ys3.subscriptions();
REQUIRE(required == actual);
}
}
}
}
SCENARIO("amb empty list", "[amb][join][operators]"){
GIVEN("1 empty cold observable of observables of ints."){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
const rxsc::test::messages<rx::observable<int>> o_on;
auto xs = sc.make_cold_observable({
o_on.completed(200)
});
WHEN("the first observable is selected to produce ints"){
auto res = w.start(
[&]() {
return xs
.amb()
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output contains only comlpete message"){
auto required = rxu::to_vector({
on.completed(400)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the xs"){
auto required = rxu::to_vector({
on.subscribe(200, 400)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
}
}
}
SCENARIO("amb source throws before selection", "[amb][join][operators]"){
GIVEN("1 cold observable with 3 cold observables of ints."){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
const rxsc::test::messages<rx::observable<int>> o_on;
std::runtime_error ex("amb on_error from source");
auto ys1 = sc.make_cold_observable({
on.next(10, 101),
on.next(110, 102),
on.next(210, 103),
on.completed(310)
});
auto ys2 = sc.make_cold_observable({
on.next(20, 201),
on.next(120, 202),
on.next(220, 203),
on.completed(320)
});
auto ys3 = sc.make_cold_observable({
on.next(30, 301),
on.next(130, 302),
on.next(230, 303),
on.completed(330)
});
auto xs = sc.make_cold_observable({
o_on.next(100, ys1),
o_on.next(100, ys2),
o_on.next(100, ys3),
o_on.error(100, ex)
});
WHEN("the first observable is selected to produce ints"){
auto res = w.start(
[&]() {
return xs
.amb()
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output contains only an error"){
auto required = rxu::to_vector({
on.error(300, ex)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the xs"){
auto required = rxu::to_vector({
on.subscribe(200, 300)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys1"){
auto required = rxu::to_vector({
on.subscribe(300, 300)
});
auto actual = ys1.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys2"){
auto required = rxu::to_vector({
on.subscribe(300, 300)
});
auto actual = ys2.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys3"){
auto required = rxu::to_vector({
on.subscribe(300, 300)
});
auto actual = ys3.subscriptions();
REQUIRE(required == actual);
}
}
}
}
SCENARIO("amb source throws after selection", "[amb][join][operators]"){
GIVEN("1 cold observable with 3 cold observables of ints."){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
const rxsc::test::messages<rx::observable<int>> o_on;
std::runtime_error ex("amb on_error from source");
auto ys1 = sc.make_cold_observable({
on.next(10, 101),
on.next(110, 102),
on.next(210, 103),
on.completed(310)
});
auto ys2 = sc.make_cold_observable({
on.next(20, 201),
on.next(120, 202),
on.next(220, 203),
on.completed(320)
});
auto ys3 = sc.make_cold_observable({
on.next(30, 301),
on.next(130, 302),
on.next(230, 303),
on.completed(330)
});
auto xs = sc.make_cold_observable({
o_on.next(100, ys1),
o_on.next(100, ys2),
o_on.next(100, ys3),
o_on.error(300, ex)
});
WHEN("the first observable is selected to produce ints"){
auto res = w.start(
[&]() {
return xs
.amb()
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output contains ints from the first observable"){
auto required = rxu::to_vector({
on.next(310, 101),
on.next(410, 102),
on.error(500, ex)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the xs"){
auto required = rxu::to_vector({
on.subscribe(200, 500)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys1"){
auto required = rxu::to_vector({
on.subscribe(300, 500)
});
auto actual = ys1.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys2"){
auto required = rxu::to_vector({
on.subscribe(300, 310)
});
auto actual = ys2.subscriptions();
REQUIRE(required == actual);
}
THEN("there was one subscription and one unsubscription to the ys3"){
auto required = rxu::to_vector({
on.subscribe(300, 310)
});
auto actual = ys3.subscriptions();
REQUIRE(required == actual);
}
}
}
}
SCENARIO("amb never empty, custom coordination", "[amb][join][operators]"){
GIVEN("1 cold observable with 2 hot observables of ints."){
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<rx::observable<int>> o_on;
auto ys1 = sc.make_hot_observable({
on.next(100, 1)
});
auto ys2 = sc.make_hot_observable({
on.next(110, 2),
on.completed(400)
});
auto xs = sc.make_cold_observable({
o_on.next(100, ys1),
o_on.next(100, ys2),
o_on.completed(150)
});
WHEN("the first observable is selected to produce ints"){
auto res = w.start(
[&]() {
return xs
.amb(so)
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output contains only complete message"){
auto required = rxu::to_vector({
on.completed(401)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
}
}
}