ulib/3party/rxcpp/Rx/v2/test/operators/repeat.cpp
2024-01-10 09:33:36 +08:00

386 lines
12 KiB
C++

#include "../test.h"
#include "rxcpp/operators/rx-repeat.hpp"
SCENARIO("repeat, basic test", "[repeat][operators]"){
GIVEN("cold observable of 3 ints."){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
auto xs = sc.make_cold_observable({
on.next(100, 1),
on.next(150, 2),
on.next(200, 3),
on.completed(250)
});
WHEN("infinite repeat is launched"){
auto res = w.start(
[&]() {
return xs
| rxo::repeat()
// forget type to workaround lambda deduction bug on msvc 2013
| rxo::as_dynamic();
}
);
THEN("the output contains 3 sets of ints"){
auto required = rxu::to_vector({
on.next(300, 1),
on.next(350, 2),
on.next(400, 3),
on.next(550, 1),
on.next(600, 2),
on.next(650, 3),
on.next(800, 1),
on.next(850, 2),
on.next(900, 3)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("there was 4 subscriptions and 4 unsubscriptions to the ints"){
auto required = rxu::to_vector({
on.subscribe(200, 450),
on.subscribe(450, 700),
on.subscribe(700, 950),
on.subscribe(950, 1000)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
}
}
}
SCENARIO("repeat, 0 times case", "[repeat][operators]"){
GIVEN("cold observable of 3 ints."){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
auto xs = sc.make_cold_observable({
on.next(100, 1),
on.next(150, 2),
on.next(200, 3),
on.completed(250)
});
WHEN("repeat zero times is launched"){
auto res = w.start(
[&]() {
return xs
| rxo::repeat(0)
// forget type to workaround lambda deduction bug on msvc 2013
| rxo::as_dynamic();
}
);
THEN("the output should be empty"){
auto required = rxu::to_vector({
on.completed(200)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("no subscriptions in repeat(0) variant that skips on.next()"){
auto required = std::vector<rxcpp::notifications::subscription>();
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
}
}
}
SCENARIO("repeat, infinite observable test", "[repeat][operators]"){
GIVEN("cold observable of 3 ints that never completes."){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
auto xs = sc.make_cold_observable({
on.next(100, 1),
on.next(150, 2),
on.next(200, 3)
});
WHEN("infinite repeat is launched"){
auto res = w.start(
[&]() {
return xs
.repeat()
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output contains a set of ints"){
auto required = rxu::to_vector({
on.next(300, 1),
on.next(350, 2),
on.next(400, 3)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("there was 1 subscription and 1 unsubscription to the ints"){
auto required = rxu::to_vector({
on.subscribe(200, 1000)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
}
}
}
SCENARIO("repeat, error test", "[repeat][operators]"){
GIVEN("cold observable of 3 ints followed by an error."){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
std::runtime_error ex("repeat on_error from source");
auto xs = sc.make_cold_observable({
on.next(100, 1),
on.next(150, 2),
on.next(200, 3),
on.error(250, ex)
});
WHEN("infinite repeat is launched"){
auto res = w.start(
[&]() {
return xs
.repeat()
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output contains a set of ints and an error"){
auto required = rxu::to_vector({
on.next(300, 1),
on.next(350, 2),
on.next(400, 3),
on.error(450, ex)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("there was 1 subscription and 1 unsubscription to the ints"){
auto required = rxu::to_vector({
on.subscribe(200, 450)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
}
}
}
SCENARIO("countable repeat, basic test", "[repeat][operators]"){
GIVEN("cold observable of 3 ints."){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
auto xs = sc.make_cold_observable({
on.next(5, 1),
on.next(10, 2),
on.next(15, 3),
on.completed(20)
});
WHEN("repeat of 3 iterations is launched"){
auto res = w.start(
[&]() {
return xs
.repeat(3)
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output contains 3 sets of ints"){
auto required = rxu::to_vector({
on.next(205, 1),
on.next(210, 2),
on.next(215, 3),
on.next(225, 1),
on.next(230, 2),
on.next(235, 3),
on.next(245, 1),
on.next(250, 2),
on.next(255, 3),
on.completed(260)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("there was 3 subscriptions and 3 unsubscriptions to the ints"){
auto required = rxu::to_vector({
on.subscribe(200, 220),
on.subscribe(220, 240),
on.subscribe(240, 260)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
}
}
}
SCENARIO("countable repeat, dispose test", "[repeat][operators]"){
GIVEN("cold observable of 3 ints."){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
auto xs = sc.make_cold_observable({
on.next(5, 1),
on.next(10, 2),
on.next(15, 3),
on.completed(20)
});
WHEN("repeat of 3 iterations is launched"){
auto res = w.start(
[&]() {
return xs
.repeat(3)
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
},
231
);
THEN("the output contains less than 2 full sets of ints"){
auto required = rxu::to_vector({
on.next(205, 1),
on.next(210, 2),
on.next(215, 3),
on.next(225, 1),
on.next(230, 2),
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("there was 2 subscriptions and 2 unsubscriptions to the ints"){
auto required = rxu::to_vector({
on.subscribe(200, 220),
on.subscribe(220, 231)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
}
}
}
SCENARIO("countable repeat, infinite observable test", "[repeat][operators]"){
GIVEN("cold observable of 3 ints that never completes."){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
auto xs = sc.make_cold_observable({
on.next(100, 1),
on.next(150, 2),
on.next(200, 3)
});
WHEN("infinite repeat is launched"){
auto res = w.start(
[&]() {
return xs
.repeat(3)
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output contains a set of ints"){
auto required = rxu::to_vector({
on.next(300, 1),
on.next(350, 2),
on.next(400, 3)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("there was 1 subscription and 1 unsubscription to the ints"){
auto required = rxu::to_vector({
on.subscribe(200, 1000)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
}
}
}
SCENARIO("countable repeat, error test", "[repeat][operators]"){
GIVEN("cold observable of 3 ints followed by an error."){
auto sc = rxsc::make_test();
auto w = sc.create_worker();
const rxsc::test::messages<int> on;
std::runtime_error ex("repeat on_error from source");
auto xs = sc.make_cold_observable({
on.next(100, 1),
on.next(150, 2),
on.next(200, 3),
on.error(250, ex)
});
WHEN("infinite repeat is launched"){
auto res = w.start(
[&]() {
return xs
.repeat(3)
// forget type to workaround lambda deduction bug on msvc 2013
.as_dynamic();
}
);
THEN("the output contains a set of ints and an error"){
auto required = rxu::to_vector({
on.next(300, 1),
on.next(350, 2),
on.next(400, 3),
on.error(450, ex)
});
auto actual = res.get_observer().messages();
REQUIRE(required == actual);
}
THEN("there was 1 subscription and 1 unsubscription to the ints"){
auto required = rxu::to_vector({
on.subscribe(200, 450)
});
auto actual = xs.subscriptions();
REQUIRE(required == actual);
}
}
}
}