dev: Add RecentMessages benchmark (#5071)

Co-authored-by: Rasmus Karlsson <rasmus.karlsson@pajlada.com>

.clang-tidy

@@ -65,5 +65,11 @@ CheckOptions:
   - key: readability-identifier-naming.LocalPointerIgnoredRegexp
     value: ^L$
 
+  # Benchmarks
+  - key: readability-identifier-naming.FunctionIgnoredRegexp
+    value: ^BM_[^_]+$
+  - key: readability-identifier-naming.ClassIgnoredRegexp
+    value: ^BM_[^_]+$
+
   - key: misc-const-correctness.AnalyzeValues
     value: false

.prettierignore

@@ -1,5 +1,7 @@
 # JSON resources should not be prettified...
 resources/*.json
+benchmarks/resources/*.json
+tests/resources/*.json
 # ...themes should be prettified for readability.
 !resources/themes/*.json
 
@@ -7,6 +9,7 @@ resources/*.json
 lib/*/
 conan-pkgs/*/
 cmake/sanitizers-cmake/
+tools/crash-handler
 
 # Build folders
 *build-*/

CHANGELOG.md

@@ -112,6 +112,7 @@
 - Dev: Autogenerate docs/plugin-meta.lua. (#5055)
 - Dev: Removed duplicate scale in settings dialog. (#5069)
 - Dev: Fix `NotebookTab` emitting updates for every message. (#5068)
+- Dev: Added benchmark for parsing and building recent messages. (#5071)
 
 ## 2.4.6
 

benchmarks/CMakeLists.txt

@@ -1,13 +1,16 @@
 project(chatterino-benchmark)
 
 set(benchmark_SOURCES
-    ${CMAKE_CURRENT_LIST_DIR}/src/main.cpp
-    ${CMAKE_CURRENT_LIST_DIR}/src/Emojis.cpp
-    ${CMAKE_CURRENT_LIST_DIR}/src/Highlights.cpp
-    ${CMAKE_CURRENT_LIST_DIR}/src/FormatTime.cpp
-    ${CMAKE_CURRENT_LIST_DIR}/src/Helpers.cpp
-    ${CMAKE_CURRENT_LIST_DIR}/src/LimitedQueue.cpp
-    ${CMAKE_CURRENT_LIST_DIR}/src/LinkParser.cpp
+    src/main.cpp
+    resources/bench.qrc
+
+    src/Emojis.cpp
+    src/Highlights.cpp
+    src/FormatTime.cpp
+    src/Helpers.cpp
+    src/LimitedQueue.cpp
+    src/LinkParser.cpp
+    src/RecentMessages.cpp
     # Add your new file above this line!
     )
 
@@ -27,4 +30,5 @@ set_target_properties(${PROJECT_NAME}
     RUNTIME_OUTPUT_DIRECTORY_RELEASE "${CMAKE_BINARY_DIR}/bin"
     RUNTIME_OUTPUT_DIRECTORY_DEBUG "${CMAKE_BINARY_DIR}/bin"
     RUNTIME_OUTPUT_DIRECTORY_RELWITHDEBINFO "${CMAKE_BINARY_DIR}/bin"
+    AUTORCC ON
     )

benchmarks/resources/bench.qrc

@@ -0,0 +1,6 @@
+<RCC>
+    <qresource prefix="/bench">
+        <file>recentmessages-nymn.json</file>
+        <file>seventvemotes-nymn.json</file>
+    </qresource>
+</RCC>

benchmarks/src/Emojis.cpp

@@ -145,16 +145,13 @@ static void BM_EmojiParsing(benchmark::State &state)
 
 BENCHMARK(BM_EmojiParsing);
 
-template <class... Args>
-static void BM_EmojiParsing2(benchmark::State &state, Args &&...args)
+static void BM_EmojiParsing2(benchmark::State &state, const QString &input,
+                             int expectedNumEmojis)
 {
     Emojis emojis;
 
     emojis.load();
 
-    auto argsTuple = std::make_tuple(std::move(args)...);
-    auto input = std::get<0>(argsTuple);
-    auto expectedNumEmojis = std::get<1>(argsTuple);
     for (auto _ : state)
     {
         auto output = emojis.parse(input);

benchmarks/src/FormatTime.cpp

@@ -4,35 +4,41 @@
 
 using namespace chatterino;
 
-template <class... Args>
-void BM_TimeFormatting(benchmark::State &state, Args &&...args)
+void BM_TimeFormattingQString(benchmark::State &state, const QString &v)
 {
-    auto args_tuple = std::make_tuple(std::move(args)...);
     for (auto _ : state)
     {
-        formatTime(std::get<0>(args_tuple));
+        formatTime(v);
     }
 }
 
-BENCHMARK_CAPTURE(BM_TimeFormatting, 0, 0);
-BENCHMARK_CAPTURE(BM_TimeFormatting, qs0, "0");
-BENCHMARK_CAPTURE(BM_TimeFormatting, 1337, 1337);
-BENCHMARK_CAPTURE(BM_TimeFormatting, qs1337, "1337");
-BENCHMARK_CAPTURE(BM_TimeFormatting, 623452, 623452);
-BENCHMARK_CAPTURE(BM_TimeFormatting, qs623452, "623452");
-BENCHMARK_CAPTURE(BM_TimeFormatting, 8345, 8345);
-BENCHMARK_CAPTURE(BM_TimeFormatting, qs8345, "8345");
-BENCHMARK_CAPTURE(BM_TimeFormatting, 314034, 314034);
-BENCHMARK_CAPTURE(BM_TimeFormatting, qs314034, "314034");
-BENCHMARK_CAPTURE(BM_TimeFormatting, 27, 27);
-BENCHMARK_CAPTURE(BM_TimeFormatting, qs27, "27");
-BENCHMARK_CAPTURE(BM_TimeFormatting, 34589, 34589);
-BENCHMARK_CAPTURE(BM_TimeFormatting, qs34589, "34589");
-BENCHMARK_CAPTURE(BM_TimeFormatting, 3659, 3659);
-BENCHMARK_CAPTURE(BM_TimeFormatting, qs3659, "3659");
-BENCHMARK_CAPTURE(BM_TimeFormatting, 1045345, 1045345);
-BENCHMARK_CAPTURE(BM_TimeFormatting, qs1045345, "1045345");
-BENCHMARK_CAPTURE(BM_TimeFormatting, 86432, 86432);
-BENCHMARK_CAPTURE(BM_TimeFormatting, qs86432, "86432");
-BENCHMARK_CAPTURE(BM_TimeFormatting, qsempty, "");
-BENCHMARK_CAPTURE(BM_TimeFormatting, qsinvalid, "asd");
+void BM_TimeFormattingInt(benchmark::State &state, int v)
+{
+    for (auto _ : state)
+    {
+        formatTime(v);
+    }
+}
+
+BENCHMARK_CAPTURE(BM_TimeFormattingInt, 0, 0);
+BENCHMARK_CAPTURE(BM_TimeFormattingInt, 1045345, 1045345);
+BENCHMARK_CAPTURE(BM_TimeFormattingInt, 1337, 1337);
+BENCHMARK_CAPTURE(BM_TimeFormattingInt, 27, 27);
+BENCHMARK_CAPTURE(BM_TimeFormattingInt, 314034, 314034);
+BENCHMARK_CAPTURE(BM_TimeFormattingInt, 34589, 34589);
+BENCHMARK_CAPTURE(BM_TimeFormattingInt, 3659, 3659);
+BENCHMARK_CAPTURE(BM_TimeFormattingInt, 623452, 623452);
+BENCHMARK_CAPTURE(BM_TimeFormattingInt, 8345, 8345);
+BENCHMARK_CAPTURE(BM_TimeFormattingInt, 86432, 86432);
+BENCHMARK_CAPTURE(BM_TimeFormattingQString, qs0, "0");
+BENCHMARK_CAPTURE(BM_TimeFormattingQString, qs1045345, "1045345");
+BENCHMARK_CAPTURE(BM_TimeFormattingQString, qs1337, "1337");
+BENCHMARK_CAPTURE(BM_TimeFormattingQString, qs27, "27");
+BENCHMARK_CAPTURE(BM_TimeFormattingQString, qs314034, "314034");
+BENCHMARK_CAPTURE(BM_TimeFormattingQString, qs34589, "34589");
+BENCHMARK_CAPTURE(BM_TimeFormattingQString, qs3659, "3659");
+BENCHMARK_CAPTURE(BM_TimeFormattingQString, qs623452, "623452");
+BENCHMARK_CAPTURE(BM_TimeFormattingQString, qs8345, "8345");
+BENCHMARK_CAPTURE(BM_TimeFormattingQString, qs86432, "86432");
+BENCHMARK_CAPTURE(BM_TimeFormattingQString, qsempty, "");
+BENCHMARK_CAPTURE(BM_TimeFormattingQString, qsinvalid, "asd");

benchmarks/src/RecentMessages.cpp

@@ -0,0 +1,223 @@
+#include "common/Literals.hpp"
+#include "controllers/accounts/AccountController.hpp"
+#include "controllers/highlights/HighlightController.hpp"
+#include "messages/Emote.hpp"
+#include "mocks/EmptyApplication.hpp"
+#include "mocks/TwitchIrcServer.hpp"
+#include "mocks/UserData.hpp"
+#include "providers/bttv/BttvEmotes.hpp"
+#include "providers/chatterino/ChatterinoBadges.hpp"
+#include "providers/ffz/FfzBadges.hpp"
+#include "providers/ffz/FfzEmotes.hpp"
+#include "providers/recentmessages/Impl.hpp"
+#include "providers/seventv/SeventvBadges.hpp"
+#include "providers/seventv/SeventvEmotes.hpp"
+#include "providers/twitch/TwitchChannel.hpp"
+#include "singletons/Emotes.hpp"
+#include "singletons/Resources.hpp"
+
+#include <benchmark/benchmark.h>
+#include <QFile>
+#include <QJsonArray>
+#include <QJsonDocument>
+#include <QString>
+
+#include <optional>
+
+using namespace chatterino;
+using namespace literals;
+
+namespace {
+
+class MockApplication : mock::EmptyApplication
+{
+public:
+    IEmotes *getEmotes() override
+    {
+        return &this->emotes;
+    }
+
+    IUserDataController *getUserData() override
+    {
+        return &this->userData;
+    }
+
+    AccountController *getAccounts() override
+    {
+        return &this->accounts;
+    }
+
+    ITwitchIrcServer *getTwitch() override
+    {
+        return &this->twitch;
+    }
+
+    ChatterinoBadges *getChatterinoBadges() override
+    {
+        return &this->chatterinoBadges;
+    }
+
+    FfzBadges *getFfzBadges() override
+    {
+        return &this->ffzBadges;
+    }
+
+    SeventvBadges *getSeventvBadges() override
+    {
+        return &this->seventvBadges;
+    }
+
+    HighlightController *getHighlights() override
+    {
+        return &this->highlights;
+    }
+
+    AccountController accounts;
+    Emotes emotes;
+    mock::UserDataController userData;
+    mock::MockTwitchIrcServer twitch;
+    ChatterinoBadges chatterinoBadges;
+    FfzBadges ffzBadges;
+    SeventvBadges seventvBadges;
+    HighlightController highlights;
+};
+
+std::optional<QJsonDocument> tryReadJsonFile(const QString &path)
+{
+    QFile file(path);
+    if (!file.open(QFile::ReadOnly))
+    {
+        return std::nullopt;
+    }
+
+    QJsonParseError e;
+    auto doc = QJsonDocument::fromJson(file.readAll(), &e);
+    if (e.error != QJsonParseError::NoError)
+    {
+        return std::nullopt;
+    }
+
+    return doc;
+}
+
+QJsonDocument readJsonFile(const QString &path)
+{
+    auto opt = tryReadJsonFile(path);
+    if (!opt)
+    {
+        _exit(1);
+    }
+    return *opt;
+}
+
+class RecentMessages
+{
+public:
+    explicit RecentMessages(const QString &name_)
+        : name(name_)
+        , chan(this->name)
+    {
+        const auto seventvEmotes =
+            tryReadJsonFile(u":/bench/seventvemotes-%1.json"_s.arg(this->name));
+        const auto bttvEmotes =
+            tryReadJsonFile(u":/bench/bttvemotes-%1.json"_s.arg(this->name));
+        const auto ffzEmotes =
+            tryReadJsonFile(u":/bench/ffzemotes-%1.json"_s.arg(this->name));
+
+        if (seventvEmotes)
+        {
+            this->chan.setSeventvEmotes(
+                std::make_shared<const EmoteMap>(seventv::detail::parseEmotes(
+                    seventvEmotes->object()["emote_set"_L1]
+                        .toObject()["emotes"_L1]
+                        .toArray(),
+                    false)));
+        }
+
+        if (bttvEmotes)
+        {
+            this->chan.setBttvEmotes(std::make_shared<const EmoteMap>(
+                bttv::detail::parseChannelEmotes(bttvEmotes->object(),
+                                                 this->name)));
+        }
+
+        if (ffzEmotes)
+        {
+            this->chan.setFfzEmotes(std::make_shared<const EmoteMap>(
+                ffz::detail::parseChannelEmotes(ffzEmotes->object())));
+        }
+
+        this->messages =
+            readJsonFile(u":/bench/recentmessages-%1.json"_s.arg(this->name));
+    }
+
+    ~RecentMessages()
+    {
+        QCoreApplication::sendPostedEvents(nullptr, QEvent::DeferredDelete);
+    }
+
+    virtual void run(benchmark::State &state) = 0;
+
+protected:
+    QString name;
+    MockApplication app;
+    TwitchChannel chan;
+    QJsonDocument messages;
+};
+
+class ParseRecentMessages : public RecentMessages
+{
+public:
+    explicit ParseRecentMessages(const QString &name_)
+        : RecentMessages(name_)
+    {
+    }
+
+    void run(benchmark::State &state)
+    {
+        for (auto _ : state)
+        {
+            auto parsed = recentmessages::detail::parseRecentMessages(
+                this->messages.object());
+            benchmark::DoNotOptimize(parsed);
+        }
+    }
+};
+
+class BuildRecentMessages : public RecentMessages
+{
+public:
+    explicit BuildRecentMessages(const QString &name_)
+        : RecentMessages(name_)
+    {
+    }
+
+    void run(benchmark::State &state)
+    {
+        auto parsed = recentmessages::detail::parseRecentMessages(
+            this->messages.object());
+        for (auto _ : state)
+        {
+            auto built = recentmessages::detail::buildRecentMessages(
+                parsed, &this->chan);
+            benchmark::DoNotOptimize(built);
+        }
+    }
+};
+
+void BM_ParseRecentMessages(benchmark::State &state, const QString &name)
+{
+    ParseRecentMessages bench(name);
+    bench.run(state);
+}
+
+void BM_BuildRecentMessages(benchmark::State &state, const QString &name)
+{
+    BuildRecentMessages bench(name);
+    bench.run(state);
+}
+
+}  // namespace
+
+BENCHMARK_CAPTURE(BM_ParseRecentMessages, nymn, u"nymn"_s);
+BENCHMARK_CAPTURE(BM_BuildRecentMessages, nymn, u"nymn"_s);

benchmarks/src/main.cpp

@@ -1,3 +1,4 @@
+#include "singletons/Resources.hpp"
 #include "singletons/Settings.hpp"
 
 #include <benchmark/benchmark.h>
@@ -11,6 +12,8 @@ int main(int argc, char **argv)
 {
     QApplication app(argc, argv);
 
+    initResources();
+
     ::benchmark::Initialize(&argc, argv);
 
     // Ensure settings are initialized before any benchmarks are run

src/controllers/ignores/IgnoreController.cpp

@@ -32,9 +32,11 @@ bool isIgnoredMessage(IgnoredMessageParameters &&params)
     {
         auto sourceUserID = params.twitchUserID;
 
-        bool isBlocked =
-            getApp()->accounts->twitch.getCurrent()->blockedUserIds().contains(
-                sourceUserID);
+        bool isBlocked = getIApp()
+                             ->getAccounts()
+                             ->twitch.getCurrent()
+                             ->blockedUserIds()
+                             .contains(sourceUserID);
         if (isBlocked)
         {
             switch (static_cast<ShowIgnoredUsersMessages>(

src/providers/bttv/BttvEmotes.cpp

@@ -142,9 +142,13 @@ namespace {
         return anyModifications;
     }
 
-    std::pair<Outcome, EmoteMap> parseChannelEmotes(
-        const QJsonObject &jsonRoot, const QString &channelDisplayName)
-    {
+}  // namespace
+
+using namespace bttv::detail;
+
+EmoteMap bttv::detail::parseChannelEmotes(const QJsonObject &jsonRoot,
+                                          const QString &channelDisplayName)
+{
     auto emotes = EmoteMap();
 
     auto innerParse = [&jsonRoot, &emotes,
@@ -152,20 +156,18 @@ namespace {
         auto jsonEmotes = jsonRoot.value(key).toArray();
         for (auto jsonEmote_ : jsonEmotes)
         {
-                auto emote = createChannelEmote(channelDisplayName,
-                                                jsonEmote_.toObject());
+            auto emote =
+                createChannelEmote(channelDisplayName, jsonEmote_.toObject());
 
-                emotes[emote.name] =
-                    cachedOrMake(std::move(emote.emote), emote.id);
+            emotes[emote.name] = cachedOrMake(std::move(emote.emote), emote.id);
         }
     };
 
     innerParse("channelEmotes");
     innerParse("sharedEmotes");
 
-        return {Success, std::move(emotes)};
-    }
-}  // namespace
+    return emotes;
+}
 
 //
 // BttvEmotes
@@ -230,14 +232,11 @@ void BttvEmotes::loadChannel(std::weak_ptr<Channel> channel,
         .timeout(20000)
         .onSuccess([callback = std::move(callback), channel, channelDisplayName,
                     manualRefresh](auto result) {
-            auto pair =
+            auto emotes =
                 parseChannelEmotes(result.parseJson(), channelDisplayName);
-            bool hasEmotes = false;
-            if (pair.first)
-            {
-                hasEmotes = !pair.second.empty();
-                callback(std::move(pair.second));
-            }
+            bool hasEmotes = !emotes.empty();
+            callback(std::move(emotes));
+
             if (auto shared = channel.lock(); manualRefresh)
             {
                 if (hasEmotes)

src/providers/bttv/BttvEmotes.hpp

@@ -3,6 +3,8 @@
 #include "common/Aliases.hpp"
 #include "common/Atomic.hpp"
 
+#include <QJsonObject>
+
 #include <memory>
 #include <optional>
 
@@ -15,6 +17,13 @@ class Channel;
 struct BttvLiveUpdateEmoteUpdateAddMessage;
 struct BttvLiveUpdateEmoteRemoveMessage;
 
+namespace bttv::detail {
+
+    EmoteMap parseChannelEmotes(const QJsonObject &jsonRoot,
+                                const QString &channelDisplayName);
+
+}  // namespace bttv::detail
+
 class BttvEmotes final
 {
     static constexpr const char *globalEmoteApiUrl =

src/providers/ffz/FfzEmotes.cpp

@@ -149,8 +149,12 @@ namespace {
         return authorityBadge;
     }
 
-    EmoteMap parseChannelEmotes(const QJsonObject &jsonRoot)
-    {
+}  // namespace
+
+using namespace ffz::detail;
+
+EmoteMap ffz::detail::parseChannelEmotes(const QJsonObject &jsonRoot)
+{
     auto emotes = EmoteMap();
 
     for (const auto emoteSetRef : jsonRoot["sets"].toObject())
@@ -159,8 +163,7 @@ namespace {
     }
 
     return emotes;
-    }
-}  // namespace
+}
 
 FfzEmotes::FfzEmotes()
     : global_(std::make_shared<EmoteMap>())

src/providers/ffz/FfzEmotes.hpp

@@ -3,6 +3,8 @@
 #include "common/Aliases.hpp"
 #include "common/Atomic.hpp"
 
+#include <QJsonObject>
+
 #include <memory>
 #include <optional>
 
@@ -13,6 +15,12 @@ using EmotePtr = std::shared_ptr<const Emote>;
 class EmoteMap;
 class Channel;
 
+namespace ffz::detail {
+
+    EmoteMap parseChannelEmotes(const QJsonObject &jsonRoot);
+
+}  // namespace ffz::detail
+
 class FfzEmotes final
 {
 public:

src/providers/seventv/SeventvEmotes.cpp

@@ -128,7 +128,34 @@ bool checkEmoteVisibility(const QJsonObject &emoteData)
     return !flags.has(SeventvEmoteFlag::ContentTwitchDisallowed);
 }
 
-EmoteMap parseEmotes(const QJsonArray &emoteSetEmotes, bool isGlobal)
+EmotePtr createUpdatedEmote(const EmotePtr &oldEmote,
+                            const EmoteUpdateDispatch &dispatch)
+{
+    bool toNonAliased = oldEmote->baseName.has_value() &&
+                        dispatch.emoteName == oldEmote->baseName->string;
+
+    auto baseName = oldEmote->baseName.value_or(oldEmote->name);
+    auto emote = std::make_shared<const Emote>(Emote(
+        {EmoteName{dispatch.emoteName}, oldEmote->images,
+         toNonAliased
+             ? createTooltip(dispatch.emoteName, oldEmote->author.string, false)
+             : createAliasedTooltip(dispatch.emoteName, baseName.string,
+                                    oldEmote->author.string, false),
+         oldEmote->homePage, oldEmote->zeroWidth, oldEmote->id,
+         oldEmote->author, makeConditionedOptional(!toNonAliased, baseName)}));
+    return emote;
+}
+
+}  // namespace
+
+namespace chatterino {
+
+using namespace seventv::eventapi;
+using namespace seventv::detail;
+using namespace literals;
+
+EmoteMap seventv::detail::parseEmotes(const QJsonArray &emoteSetEmotes,
+                                      bool isGlobal)
 {
     auto emotes = EmoteMap();
 
@@ -158,31 +185,6 @@ EmoteMap parseEmotes(const QJsonArray &emoteSetEmotes, bool isGlobal)
     return emotes;
 }
 
-EmotePtr createUpdatedEmote(const EmotePtr &oldEmote,
-                            const EmoteUpdateDispatch &dispatch)
-{
-    bool toNonAliased = oldEmote->baseName.has_value() &&
-                        dispatch.emoteName == oldEmote->baseName->string;
-
-    auto baseName = oldEmote->baseName.value_or(oldEmote->name);
-    auto emote = std::make_shared<const Emote>(Emote(
-        {EmoteName{dispatch.emoteName}, oldEmote->images,
-         toNonAliased
-             ? createTooltip(dispatch.emoteName, oldEmote->author.string, false)
-             : createAliasedTooltip(dispatch.emoteName, baseName.string,
-                                    oldEmote->author.string, false),
-         oldEmote->homePage, oldEmote->zeroWidth, oldEmote->id,
-         oldEmote->author, makeConditionedOptional(!toNonAliased, baseName)}));
-    return emote;
-}
-
-}  // namespace
-
-namespace chatterino {
-
-using namespace seventv::eventapi;
-using namespace literals;
-
 SeventvEmotes::SeventvEmotes()
     : global_(std::make_shared<EmoteMap>())
 {

src/providers/seventv/SeventvEmotes.hpp

@@ -4,6 +4,7 @@
 #include "common/Atomic.hpp"
 #include "common/FlagsEnum.hpp"
 
+#include <QJsonArray>
 #include <QJsonObject>
 
 #include <memory>
@@ -77,6 +78,12 @@ enum class SeventvEmoteSetFlag : uint32_t {
 };
 using SeventvEmoteSetFlags = FlagsEnum<SeventvEmoteSetFlag>;
 
+namespace seventv::detail {
+
+    EmoteMap parseEmotes(const QJsonArray &emoteSetEmotes, bool isGlobal);
+
+}  // namespace seventv::detail
+
 class SeventvEmotes final
 {
 public:

src/providers/twitch/IrcMessageHandler.cpp

@@ -128,7 +128,7 @@ void updateReplyParticipatedStatus(const QVariantMap &tags,
                                    bool isNew)
 {
     const auto &currentLogin =
-        getApp()->accounts->twitch.getCurrent()->getUserName();
+        getIApp()->getAccounts()->twitch.getCurrent()->getUserName();
 
     if (thread->subscribed())
     {

src/providers/twitch/TwitchBadges.cpp

@@ -29,6 +29,12 @@ void TwitchBadges::loadTwitchBadges()
 {
     assert(this->loaded_ == false);
 
+    if (!getHelix())
+    {
+        // This is intended for tests and benchmarks.
+        return;
+    }
+
     getHelix()->getGlobalBadges(
         [this](auto globalBadges) {
             auto badgeSets = this->badgeSets_.access();

src/providers/twitch/TwitchChannel.cpp

@@ -87,6 +87,13 @@ TwitchChannel::TwitchChannel(const QString &name)
 {
     qCDebug(chatterinoTwitch) << "[TwitchChannel" << name << "] Opened";
 
+    if (!getApp())
+    {
+        // This is intended for tests and benchmarks.
+        // Irc, Pubsub, live-updates, and live-notifications aren't mocked there.
+        return;
+    }
+
     this->bSignals_.emplace_back(
         getApp()->accounts->twitch.currentUserChanged.connect([this] {
             this->setMod(false);
@@ -219,6 +226,13 @@ TwitchChannel::TwitchChannel(const QString &name)
 
 TwitchChannel::~TwitchChannel()
 {
+    if (!getApp())
+    {
+        // This is for tests and benchmarks, where live-updates aren't mocked
+        // see comment in constructor.
+        return;
+    }
+
     getApp()->twitch->dropSeventvChannel(this->seventvUserID_,
                                          this->seventvEmoteSetID_);
 
@@ -282,8 +296,9 @@ void TwitchChannel::refreshBTTVChannelEmotes(bool manualRefresh)
         weakOf<Channel>(this), this->roomId(), this->getLocalizedName(),
         [this, weak = weakOf<Channel>(this)](auto &&emoteMap) {
             if (auto shared = weak.lock())
-                this->bttvEmotes_.set(
-                    std::make_shared<EmoteMap>(std::move(emoteMap)));
+            {
+                this->setBttvEmotes(std::make_shared<const EmoteMap>(emoteMap));
+            }
         },
         manualRefresh);
 }
@@ -300,8 +315,9 @@ void TwitchChannel::refreshFFZChannelEmotes(bool manualRefresh)
         weakOf<Channel>(this), this->roomId(),
         [this, weak = weakOf<Channel>(this)](auto &&emoteMap) {
             if (auto shared = weak.lock())
-                this->ffzEmotes_.set(
-                    std::make_shared<EmoteMap>(std::move(emoteMap)));
+            {
+                this->setFfzEmotes(std::make_shared<const EmoteMap>(emoteMap));
+            }
         },
         [this, weak = weakOf<Channel>(this)](auto &&modBadge) {
             if (auto shared = weak.lock())
@@ -332,8 +348,8 @@ void TwitchChannel::refreshSevenTVChannelEmotes(bool manualRefresh)
                                              auto channelInfo) {
             if (auto shared = weak.lock())
             {
-                this->seventvEmotes_.set(std::make_shared<EmoteMap>(
-                    std::forward<decltype(emoteMap)>(emoteMap)));
+                this->setSeventvEmotes(
+                    std::make_shared<const EmoteMap>(emoteMap));
                 this->updateSeventvData(channelInfo.userID,
                                         channelInfo.emoteSetID);
                 this->seventvUserTwitchConnectionIndex_ =
@@ -343,6 +359,21 @@ void TwitchChannel::refreshSevenTVChannelEmotes(bool manualRefresh)
         manualRefresh);
 }
 
+void TwitchChannel::setBttvEmotes(std::shared_ptr<const EmoteMap> &&map)
+{
+    this->bttvEmotes_.set(std::move(map));
+}
+
+void TwitchChannel::setFfzEmotes(std::shared_ptr<const EmoteMap> &&map)
+{
+    this->ffzEmotes_.set(std::move(map));
+}
+
+void TwitchChannel::setSeventvEmotes(std::shared_ptr<const EmoteMap> &&map)
+{
+    this->seventvEmotes_.set(std::move(map));
+}
+
 void TwitchChannel::addQueuedRedemption(const QString &rewardId,
                                         const QString &originalContent,
                                         Communi::IrcMessage *message)
@@ -700,9 +731,10 @@ void TwitchChannel::setStaff(bool value)
 
 bool TwitchChannel::isBroadcaster() const
 {
-    auto app = getApp();
+    auto *app = getIApp();
 
-    return this->getName() == app->accounts->twitch.getCurrent()->getUserName();
+    return this->getName() ==
+           app->getAccounts()->twitch.getCurrent()->getUserName();
 }
 
 bool TwitchChannel::hasHighRateLimit() const
@@ -730,8 +762,12 @@ void TwitchChannel::setRoomId(const QString &id)
     if (*this->roomID_.accessConst() != id)
     {
         *this->roomID_.access() = id;
+        // This is intended for tests and benchmarks. See comment in constructor.
+        if (getApp())
+        {
             this->roomIdChanged();
             this->loadRecentMessages();
+        }
         this->disconnected_ = false;
         this->lastConnectedAt_ = std::chrono::system_clock::now();
     }

src/providers/twitch/TwitchChannel.hpp

@@ -158,6 +158,10 @@ public:
     void refreshFFZChannelEmotes(bool manualRefresh);
     void refreshSevenTVChannelEmotes(bool manualRefresh);
 
+    void setBttvEmotes(std::shared_ptr<const EmoteMap> &&map);
+    void setFfzEmotes(std::shared_ptr<const EmoteMap> &&map);
+    void setSeventvEmotes(std::shared_ptr<const EmoteMap> &&map);
+
     const QString &seventvUserID() const;
     const QString &seventvEmoteSetID() const;