Node / meshtastic / Meshtastic-Android / files / core / navigation / src / commonTest / kotlin / org / meshtastic / core / navigation / MultiBackstackTest.kt

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T8b949e/*

* Copyright (c) 2026 Meshtastic LLC

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program. If not, see <https://www.gnu.org/licenses/>.

*/

Tff7b72package T7ee787org.meshtastic.core.navigation

Tff7b72import T7ee787androidx.compose.runtime.mutableStateOf

Tff7b72import T7ee787androidx.navigation3.runtime.NavBackStack

Tff7b72import T7ee787androidx.navigation3.runtime.NavKey

Tff7b72import T7ee787kotlin.test.Test

Tff7b72import T7ee787kotlin.test.assertEquals

Tff7b72class T56d364MultiBackstackTest Tb4b4b4{

Tff7b72private Tff7b72fun Td2a8ffcreateMultiBackstackTb4b4b4(Te6edf3startTabTb4b4b4: Te6edf3NavKeyTb4b4b4)Tb4b4b4: Te6edf3MultiBackstack Tb4b4b4{

Tff7b72val Te6edf3tabRoute Tff7b72= Te6edf3TopLevelDestinationTb4b4b4.Te6edf3fromNavKeyTb4b4b4(Te6edf3startTabTb4b4b4)Tff7b72?.Te6edf3route Tff7b72?: Te6edf3startTab

Tff7b72return Te6edf3MultiBackstackTb4b4b4(Te6edf3startTabTb4b4b4, Te6edf3mutableStateOfTb4b4b4(Te6edf3tabRouteTb4b4b4)Tb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ff`navigateTopLevel to different tab preserves previous tab stack and activates new tab stack`Tb4b4b4(Tb4b4b4) Tb4b4b4{

Tff7b72val Te6edf3startTab Tff7b72= Te6edf3TopLevelDestinationTb4b4b4.Te6edf3NodesTb4b4b4.Te6edf3route

Tff7b72val Te6edf3multiBackstack Tff7b72= Te6edf3createMultiBackstackTb4b4b4(Te6edf3startTabTb4b4b4)

Tff7b72val Te6edf3nodesStack Tff7b72=

Te6edf3NavBackStackTff7b72<Te6edf3NavKeyTff7b72>Tb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3apply Tb4b4b4{ Te6edf3addAllTb4b4b4(Te6edf3listOfTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3NodesTb4b4b4.Te6edf3routeTb4b4b4, Te6edf3NodesRouteTb4b4b4.Te6edf3NodesTb4b4b4)Tb4b4b4) Tb4b4b4}

Tff7b72val Te6edf3mapStack Tff7b72= Te6edf3NavBackStackTff7b72<Te6edf3NavKeyTff7b72>Tb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3apply Tb4b4b4{ Te6edf3addAllTb4b4b4(Te6edf3listOfTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3MapTb4b4b4.Te6edf3routeTb4b4b4)Tb4b4b4) Tb4b4b4}

Te6edf3multiBackstackTb4b4b4.Te6edf3backStacks Tff7b72=

Te6edf3mapOfTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3NodesTb4b4b4.Te6edf3route Te6edf3to Te6edf3nodesStackTb4b4b4, Te6edf3TopLevelDestinationTb4b4b4.Te6edf3MapTb4b4b4.Te6edf3route Te6edf3to Te6edf3mapStackTb4b4b4)

Te6edf3assertEqualsTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3NodesTb4b4b4.Te6edf3routeTb4b4b4, Te6edf3multiBackstackTb4b4b4.Te6edf3currentTabRouteTb4b4b4)

Te6edf3assertEqualsTb4b4b4(T79c0ff2Tb4b4b4, Te6edf3multiBackstackTb4b4b4.Te6edf3activeBackStackTb4b4b4.Te6edf3sizeTb4b4b4)

Te6edf3multiBackstackTb4b4b4.Te6edf3navigateTopLevelTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3MapTb4b4b4.Te6edf3routeTb4b4b4)

Te6edf3assertEqualsTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3MapTb4b4b4.Te6edf3routeTb4b4b4, Te6edf3multiBackstackTb4b4b4.Te6edf3currentTabRouteTb4b4b4)

Te6edf3assertEqualsTb4b4b4(T79c0ff1Tb4b4b4, Te6edf3multiBackstackTb4b4b4.Te6edf3activeBackStackTb4b4b4.Te6edf3sizeTb4b4b4)

Te6edf3assertEqualsTb4b4b4(T79c0ff2Tb4b4b4, Te6edf3nodesStackTb4b4b4.Te6edf3sizeTb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ff`navigateTopLevel to same tab resets stack to root`Tb4b4b4(Tb4b4b4) Tb4b4b4{

Tff7b72val Te6edf3startTab Tff7b72= Te6edf3TopLevelDestinationTb4b4b4.Te6edf3NodesTb4b4b4.Te6edf3route

Tff7b72val Te6edf3multiBackstack Tff7b72= Te6edf3createMultiBackstackTb4b4b4(Te6edf3startTabTb4b4b4)

Tff7b72val Te6edf3nodesStack Tff7b72=

Te6edf3NavBackStackTff7b72<Te6edf3NavKeyTff7b72>Tb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3apply Tb4b4b4{ Te6edf3addAllTb4b4b4(Te6edf3listOfTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3NodesTb4b4b4.Te6edf3routeTb4b4b4, Te6edf3NodesRouteTb4b4b4.Te6edf3NodesTb4b4b4)Tb4b4b4) Tb4b4b4}

Te6edf3multiBackstackTb4b4b4.Te6edf3backStacks Tff7b72= Te6edf3mapOfTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3NodesTb4b4b4.Te6edf3route Te6edf3to Te6edf3nodesStackTb4b4b4)

Te6edf3assertEqualsTb4b4b4(T79c0ff2Tb4b4b4, Te6edf3multiBackstackTb4b4b4.Te6edf3activeBackStackTb4b4b4.Te6edf3sizeTb4b4b4)

Te6edf3multiBackstackTb4b4b4.Te6edf3navigateTopLevelTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3NodesTb4b4b4.Te6edf3routeTb4b4b4)

Te6edf3assertEqualsTb4b4b4(T79c0ff1Tb4b4b4, Te6edf3multiBackstackTb4b4b4.Te6edf3activeBackStackTb4b4b4.Te6edf3sizeTb4b4b4)

Te6edf3assertEqualsTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3NodesTb4b4b4.Te6edf3routeTb4b4b4, Te6edf3multiBackstackTb4b4b4.Te6edf3activeBackStackTb4b4b4.Te6edf3firstTb4b4b4(Tb4b4b4)Tb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ff`goBack pops current stack if size is greater than 1`Tb4b4b4(Tb4b4b4) Tb4b4b4{

Tff7b72val Te6edf3startTab Tff7b72= Te6edf3TopLevelDestinationTb4b4b4.Te6edf3NodesTb4b4b4.Te6edf3route

Tff7b72val Te6edf3multiBackstack Tff7b72= Te6edf3createMultiBackstackTb4b4b4(Te6edf3startTabTb4b4b4)

Tff7b72val Te6edf3nodesStack Tff7b72=

Te6edf3NavBackStackTff7b72<Te6edf3NavKeyTff7b72>Tb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3apply Tb4b4b4{ Te6edf3addAllTb4b4b4(Te6edf3listOfTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3NodesTb4b4b4.Te6edf3routeTb4b4b4, Te6edf3NodesRouteTb4b4b4.Te6edf3NodesTb4b4b4)Tb4b4b4) Tb4b4b4}

Te6edf3multiBackstackTb4b4b4.Te6edf3backStacks Tff7b72= Te6edf3mapOfTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3NodesTb4b4b4.Te6edf3route Te6edf3to Te6edf3nodesStackTb4b4b4)

Te6edf3multiBackstackTb4b4b4.Te6edf3goBackTb4b4b4(Tb4b4b4)

Te6edf3assertEqualsTb4b4b4(T79c0ff1Tb4b4b4, Te6edf3multiBackstackTb4b4b4.Te6edf3activeBackStackTb4b4b4.Te6edf3sizeTb4b4b4)

Te6edf3assertEqualsTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3NodesTb4b4b4.Te6edf3routeTb4b4b4, Te6edf3multiBackstackTb4b4b4.Te6edf3activeBackStackTb4b4b4.Te6edf3firstTb4b4b4(Tb4b4b4)Tb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ff`goBack on root of non-start tab returns to start tab`Tb4b4b4(Tb4b4b4) Tb4b4b4{

Tff7b72val Te6edf3startTab Tff7b72= Te6edf3TopLevelDestinationTb4b4b4.Te6edf3ConnectTb4b4b4.Te6edf3route

Tff7b72val Te6edf3multiBackstack Tff7b72= Te6edf3createMultiBackstackTb4b4b4(Te6edf3startTabTb4b4b4)

Tff7b72val Te6edf3mapStack Tff7b72= Te6edf3NavBackStackTff7b72<Te6edf3NavKeyTff7b72>Tb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3apply Tb4b4b4{ Te6edf3addAllTb4b4b4(Te6edf3listOfTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3MapTb4b4b4.Te6edf3routeTb4b4b4)Tb4b4b4) Tb4b4b4}

Tff7b72val Te6edf3connectStack Tff7b72= Te6edf3NavBackStackTff7b72<Te6edf3NavKeyTff7b72>Tb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3apply Tb4b4b4{ Te6edf3addAllTb4b4b4(Te6edf3listOfTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3ConnectTb4b4b4.Te6edf3routeTb4b4b4)Tb4b4b4) Tb4b4b4}

Te6edf3multiBackstackTb4b4b4.Te6edf3backStacks Tff7b72=

Te6edf3mapOfTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3MapTb4b4b4.Te6edf3route Te6edf3to Te6edf3mapStackTb4b4b4, Te6edf3TopLevelDestinationTb4b4b4.Te6edf3ConnectTb4b4b4.Te6edf3route Te6edf3to Te6edf3connectStackTb4b4b4)

Te6edf3multiBackstackTb4b4b4.Te6edf3navigateTopLevelTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3MapTb4b4b4.Te6edf3routeTb4b4b4)

Te6edf3assertEqualsTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3MapTb4b4b4.Te6edf3routeTb4b4b4, Te6edf3multiBackstackTb4b4b4.Te6edf3currentTabRouteTb4b4b4)

Te6edf3multiBackstackTb4b4b4.Te6edf3goBackTb4b4b4(Tb4b4b4)

Te6edf3assertEqualsTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3ConnectTb4b4b4.Te6edf3routeTb4b4b4, Te6edf3multiBackstackTb4b4b4.Te6edf3currentTabRouteTb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ff`handleDeepLink sets target tab and populates stack`Tb4b4b4(Tb4b4b4) Tb4b4b4{

Tff7b72val Te6edf3startTab Tff7b72= Te6edf3TopLevelDestinationTb4b4b4.Te6edf3NodesTb4b4b4.Te6edf3route

Tff7b72val Te6edf3multiBackstack Tff7b72= Te6edf3createMultiBackstackTb4b4b4(Te6edf3startTabTb4b4b4)

Tff7b72val Te6edf3settingsStack Tff7b72= Te6edf3NavBackStackTff7b72<Te6edf3NavKeyTff7b72>Tb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3apply Tb4b4b4{ Te6edf3addAllTb4b4b4(Te6edf3listOfTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3SettingsTb4b4b4.Te6edf3routeTb4b4b4)Tb4b4b4) Tb4b4b4}

Te6edf3multiBackstackTb4b4b4.Te6edf3backStacks Tff7b72= Te6edf3mapOfTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3SettingsTb4b4b4.Te6edf3route Te6edf3to Te6edf3settingsStackTb4b4b4)

Tff7b72val Te6edf3deepLinkPath Tff7b72= Te6edf3listOfTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3SettingsTb4b4b4.Te6edf3routeTb4b4b4, Te6edf3SettingsRouteTb4b4b4.Te6edf3AboutTb4b4b4)

Te6edf3multiBackstackTb4b4b4.Te6edf3handleDeepLinkTb4b4b4(Te6edf3deepLinkPathTb4b4b4)

Te6edf3assertEqualsTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3SettingsTb4b4b4.Te6edf3routeTb4b4b4, Te6edf3multiBackstackTb4b4b4.Te6edf3currentTabRouteTb4b4b4)

Te6edf3assertEqualsTb4b4b4(T79c0ff2Tb4b4b4, Te6edf3multiBackstackTb4b4b4.Te6edf3activeBackStackTb4b4b4.Te6edf3sizeTb4b4b4)

Te6edf3assertEqualsTb4b4b4(Te6edf3SettingsRouteTb4b4b4.Te6edf3AboutTb4b4b4, Te6edf3multiBackstackTb4b4b4.Te6edf3activeBackStackTb4b4b4.Te6edf3lastTb4b4b4(Tb4b4b4)Tb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ff`handleDeepLink from different tab switches tab and sets stack`Tb4b4b4(Tb4b4b4) Tb4b4b4{

T8b949e// Start on Connect tab

Tff7b72val Te6edf3startTab Tff7b72= Te6edf3TopLevelDestinationTb4b4b4.Te6edf3ConnectTb4b4b4.Te6edf3route

Tff7b72val Te6edf3multiBackstack Tff7b72= Te6edf3createMultiBackstackTb4b4b4(Te6edf3startTabTb4b4b4)

Tff7b72val Te6edf3connectStack Tff7b72= Te6edf3NavBackStackTff7b72<Te6edf3NavKeyTff7b72>Tb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3apply Tb4b4b4{ Te6edf3addAllTb4b4b4(Te6edf3listOfTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3ConnectTb4b4b4.Te6edf3routeTb4b4b4)Tb4b4b4) Tb4b4b4}

Tff7b72val Te6edf3nodesStack Tff7b72= Te6edf3NavBackStackTff7b72<Te6edf3NavKeyTff7b72>Tb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3apply Tb4b4b4{ Te6edf3addAllTb4b4b4(Te6edf3listOfTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3NodesTb4b4b4.Te6edf3routeTb4b4b4)Tb4b4b4) Tb4b4b4}

Te6edf3multiBackstackTb4b4b4.Te6edf3backStacks Tff7b72=

Te6edf3mapOfTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3ConnectTb4b4b4.Te6edf3route Te6edf3to Te6edf3connectStackTb4b4b4, Te6edf3TopLevelDestinationTb4b4b4.Te6edf3NodesTb4b4b4.Te6edf3route Te6edf3to Te6edf3nodesStackTb4b4b4)

T8b949e// Verify we start on Connect

Te6edf3assertEqualsTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3ConnectTb4b4b4.Te6edf3routeTb4b4b4, Te6edf3multiBackstackTb4b4b4.Te6edf3currentTabRouteTb4b4b4)

T8b949e// Deep-link to a TracerouteMap on the Nodes tab (this is the exact pattern

T8b949e// MeshtasticAppShell uses for traceroute alert "View on Map")

Tff7b72val Te6edf3tracerouteMap Tff7b72= Te6edf3NodeDetailRouteTb4b4b4.Te6edf3TracerouteMapTb4b4b4(Te6edf3destNum Tff7b72= T79c0ff1T79c0ff0T79c0ff0Tb4b4b4, Te6edf3requestId Tff7b72= T79c0ff4T79c0ff2Tb4b4b4, Te6edf3logUuid Tff7b72= Ta5d6ff"Ta5d6ffabcTa5d6ff"Tb4b4b4)

Te6edf3multiBackstackTb4b4b4.Te6edf3handleDeepLinkTb4b4b4(Te6edf3listOfTb4b4b4(Te6edf3NodesRouteTb4b4b4.Te6edf3NodesTb4b4b4, Te6edf3tracerouteMapTb4b4b4)Tb4b4b4)

T8b949e// Should have switched to the Nodes tab

Te6edf3assertEqualsTb4b4b4(Te6edf3TopLevelDestinationTb4b4b4.Te6edf3NodesTb4b4b4.Te6edf3routeTb4b4b4, Te6edf3multiBackstackTb4b4b4.Te6edf3currentTabRouteTb4b4b4)

T8b949e// Stack should contain the graph root + the traceroute map route

Te6edf3assertEqualsTb4b4b4(T79c0ff2Tb4b4b4, Te6edf3multiBackstackTb4b4b4.Te6edf3activeBackStackTb4b4b4.Te6edf3sizeTb4b4b4)

Te6edf3assertEqualsTb4b4b4(Te6edf3NodesRouteTb4b4b4.Te6edf3NodesTb4b4b4, Te6edf3multiBackstackTb4b4b4.Te6edf3activeBackStackTb4b4b4.Te6edf3firstTb4b4b4(Tb4b4b4)Tb4b4b4)

Te6edf3assertEqualsTb4b4b4(Te6edf3tracerouteMapTb4b4b4, Te6edf3multiBackstackTb4b4b4.Te6edf3activeBackStackTb4b4b4.Te6edf3lastTb4b4b4(Tb4b4b4)Tb4b4b4)

Tb4b4b4}

Tb4b4b4}