122 lines
3.8 KiB
C++
122 lines
3.8 KiB
C++
#include "../test.h"
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#include <rxcpp/operators/rx-tap.hpp>
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SCENARIO("tap stops on completion", "[tap][operators]"){
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GIVEN("a test hot observable of ints"){
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auto sc = rxsc::make_test();
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auto w = sc.create_worker();
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const rxsc::test::messages<int> on;
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long invoked = 0;
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auto xs = sc.make_hot_observable({
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on.next(180, 1),
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on.next(210, 2),
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on.next(240, 3),
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on.next(290, 4),
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on.next(350, 5),
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on.completed(400),
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on.next(410, -1),
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on.completed(420),
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on.error(430, std::runtime_error("error on unsubscribed stream"))
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});
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WHEN("on_next is tapped"){
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auto res = w.start(
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[xs, &invoked]() {
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return xs
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| rxo::tap([&invoked](int) {
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invoked++;
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})
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// forget type to workaround lambda deduction bug on msvc 2013
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| rxo::as_dynamic();
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}
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);
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THEN("the output stops on completion"){
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auto required = rxu::to_vector({
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on.next(210, 2),
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on.next(240, 3),
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on.next(290, 4),
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on.next(350, 5),
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on.completed(400)
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});
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auto actual = res.get_observer().messages();
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REQUIRE(required == actual);
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}
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THEN("there was one subscription and one unsubscription"){
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auto required = rxu::to_vector({
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on.subscribe(200, 400)
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});
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auto actual = xs.subscriptions();
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REQUIRE(required == actual);
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}
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THEN("tap on_next was called until completed"){
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REQUIRE(4 == invoked);
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}
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}
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}
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}
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SCENARIO("tap stops on error", "[tap][operators]"){
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GIVEN("a test hot observable of ints"){
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auto sc = rxsc::make_test();
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auto w = sc.create_worker();
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const rxsc::test::messages<int> on;
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std::runtime_error ex("tap on_error from source");
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long invoked = 0;
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auto xs = sc.make_hot_observable({
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on.next(180, 1),
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on.next(210, 2),
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on.next(240, 3),
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on.next(290, 4),
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on.error(300, ex),
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on.next(350, 5),
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on.completed(400),
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on.next(410, -1),
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on.completed(420),
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on.error(430, std::runtime_error("error on unsubscribed stream"))
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});
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WHEN("on_error is tapped"){
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auto res = w.start(
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[xs, &invoked]() {
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return xs
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.tap([&invoked](rxu::error_ptr) {
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invoked++;
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})
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// forget type to workaround lambda deduction bug on msvc 2013
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.as_dynamic();
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}
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);
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THEN("the output stops on completion"){
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auto required = rxu::to_vector({
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on.next(210, 2),
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on.next(240, 3),
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on.next(290, 4),
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on.error(300, ex)
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});
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auto actual = res.get_observer().messages();
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REQUIRE(required == actual);
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}
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THEN("there was one subscription and one unsubscription"){
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auto required = rxu::to_vector({
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on.subscribe(200, 300)
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});
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auto actual = xs.subscriptions();
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REQUIRE(required == actual);
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}
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THEN("tap on_next was called until completed"){
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REQUIRE(1 == invoked);
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}
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}
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}
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}
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