fix: add tests checking disconnected accounts' file provider extensions do not trigger polling ETag check

Assisted-by: GPT-5.6
Signed-off-by: Rello <github@scherello.de>

Author: Rello

src/gui/folderman.cpp

@@ -1109,6 +1109,13 @@ bool FolderMan::isSwitchToVfsNeeded(const FolderDefinition &folderDefinition) co
     return result;
 }
 
+#ifdef BUILD_FILE_PROVIDER_MODULE
+bool FolderMan::canPollFileProviderEtag(const AccountState &accountState)
+{
+    return accountState.isConnected();
+}
+#endif
+
 void FolderMan::slotEtagPollTimerTimeout()
 {
     qCInfo(lcFolderMan) << "Etag poll timer timeout";
@@ -1139,7 +1146,7 @@ void FolderMan::slotEtagPollTimerTimeout()
     for (const auto &accountState : accounts) {
         const auto account = accountState->account();
 
-        if (!accountState->isConnected()) {
+        if (!canPollFileProviderEtag(*accountState)) {
             qCDebug(lcFolderMan) << "Account" << account->displayName() << "is not connected, skipping File Provider ETag check.";
             continue;
         }

src/gui/folderman.h

@@ -357,6 +357,11 @@ private slots:
     void runEtagJobsIfPossible(const QList<Folder *> &folderMap);
     void runEtagJobIfPossible(Folder *folder);
 
+#ifdef BUILD_FILE_PROVIDER_MODULE
+    /** @brief Returns whether the account state permits File Provider ETag polling. */
+    [[nodiscard]] static bool canPollFileProviderEtag(const AccountState &accountState);
+#endif
+
     bool pushNotificationsFilesReady(const OCC::AccountPtr &account);
 
     [[nodiscard]] bool isSwitchToVfsNeeded(const FolderDefinition &folderDefinition) const;

test/testfolderman.cpp

@@ -609,6 +609,30 @@ private slots:
     }
 
 #ifdef BUILD_FILE_PROVIDER_MODULE
+    void testFileProviderEtagPollingRequiresConnectedAccount()
+    {
+        const auto accountState = std::make_unique<FakeAccountState>(Account::create());
+        QVERIFY(FolderMan::canPollFileProviderEtag(*accountState));
+
+        const auto disconnectedStates = {
+            AccountState::SignedOut,
+            AccountState::Disconnected,
+            AccountState::ServiceUnavailable,
+            AccountState::RedirectDetected,
+            AccountState::MaintenanceMode,
+            AccountState::NetworkError,
+            AccountState::ConfigurationError,
+            AccountState::AskingCredentials,
+            AccountState::NeedToSignTermsOfService,
+        };
+
+        for (const auto state : disconnectedStates) {
+            accountState->setStateForTesting(state);
+            QVERIFY2(!FolderMan::canPollFileProviderEtag(*accountState),
+                qPrintable(AccountState::stateString(state)));
+        }
+    }
+
     void testAddFolderRefusedWhenFileProviderModeEnabled()
     {
         _fm.reset({});