Node / meshtastic / Meshtastic-Android / files / core / data / src / commonTest / kotlin / org / meshtastic / core / data / datasource / NodeDeletionDatabaseSwitchTest.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.data.datasource

Tff7b72import T7ee787androidx.lifecycle.Lifecycle

Tff7b72import T7ee787androidx.lifecycle.LifecycleOwner

Tff7b72import T7ee787androidx.lifecycle.LifecycleRegistry

Tff7b72import T7ee787kotlinx.coroutines.Dispatchers

Tff7b72import T7ee787kotlinx.coroutines.ExperimentalCoroutinesApi

Tff7b72import T7ee787kotlinx.coroutines.flow.Flow

Tff7b72import T7ee787kotlinx.coroutines.flow.MutableStateFlow

Tff7b72import T7ee787kotlinx.coroutines.flow.StateFlow

Tff7b72import T7ee787kotlinx.coroutines.flow.flatMapLatest

Tff7b72import T7ee787kotlinx.coroutines.test.UnconfinedTestDispatcher

Tff7b72import T7ee787kotlinx.coroutines.test.resetMain

Tff7b72import T7ee787kotlinx.coroutines.test.runTest

Tff7b72import T7ee787kotlinx.coroutines.test.setMain

Tff7b72import T7ee787org.meshtastic.core.data.repository.NodeRepositoryImpl

Tff7b72import T7ee787org.meshtastic.core.database.DatabaseProvider

Tff7b72import T7ee787org.meshtastic.core.database.MeshtasticDatabase

Tff7b72import T7ee787org.meshtastic.core.database.entity.MetadataEntity

Tff7b72import T7ee787org.meshtastic.core.database.entity.NodeEntity

Tff7b72import T7ee787org.meshtastic.core.database.getInMemoryDatabaseBuilder

Tff7b72import T7ee787org.meshtastic.core.di.CoroutineDispatchers

Tff7b72import T7ee787org.meshtastic.core.testing.FakeLocalStatsDataSource

Tff7b72import T7ee787org.meshtastic.proto.DeviceMetadata

Tff7b72import T7ee787org.meshtastic.proto.User

Tff7b72import T7ee787kotlin.test.AfterTest

Tff7b72import T7ee787kotlin.test.BeforeTest

Tff7b72import T7ee787kotlin.test.Test

Tff7b72import T7ee787kotlin.test.assertEquals

Tff7b72import T7ee787kotlin.test.assertFalse

Tff7b72import T7ee787kotlin.test.assertNotNull

Tff7b72import T7ee787kotlin.test.assertNull

Tff7b72import T7ee787kotlin.test.assertTrue

Tf0883e@OptInTb4b4b4(Te6edf3ExperimentalCoroutinesApiTff7b72::Te6edf3classTb4b4b4)

Tff7b72class T56d364NodeDeletionDatabaseSwitchTest Tb4b4b4{

Tff7b72private Tff7b72val Te6edf3testDispatcher Tff7b72= Te6edf3UnconfinedTestDispatcherTb4b4b4(Tb4b4b4)

Tff7b72private Tff7b72val Te6edf3dispatchers Tff7b72= Te6edf3CoroutineDispatchersTb4b4b4(Te6edf3main Tff7b72= Te6edf3testDispatcherTb4b4b4, Te6edf3io Tff7b72= Te6edf3testDispatcherTb4b4b4, Te6edf3default Tff7b72= Te6edf3testDispatcherTb4b4b4)

Tff7b72private Tff7b72lateinit Tff7b72var Te6edf3dbATb4b4b4: Te6edf3MeshtasticDatabase

Tff7b72private Tff7b72lateinit Tff7b72var Te6edf3dbBTb4b4b4: Te6edf3MeshtasticDatabase

Tff7b72private Tff7b72lateinit Tff7b72var Te6edf3providerTb4b4b4: Te6edf3SwitchAfterFirstWriteProvider

Tff7b72private Tff7b72lateinit Tff7b72var Te6edf3lifecycleOwnerTb4b4b4: Te6edf3TestLifecycleOwner

Tff7b72private Tff7b72lateinit Tff7b72var Te6edf3repositoryTb4b4b4: Te6edf3NodeRepositoryImpl

Tf0883e@BeforeTest

Tff7b72fun Td2a8ffsetUpTb4b4b4(Tb4b4b4) Tb4b4b4{

Te6edf3DispatchersTb4b4b4.Te6edf3setMainTb4b4b4(Te6edf3testDispatcherTb4b4b4)

Te6edf3dbA Tff7b72= Te6edf3getInMemoryDatabaseBuilderTb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3buildTb4b4b4(Tb4b4b4)

Te6edf3dbB Tff7b72= Te6edf3getInMemoryDatabaseBuilderTb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3buildTb4b4b4(Tb4b4b4)

Te6edf3provider Tff7b72= Te6edf3SwitchAfterFirstWriteProviderTb4b4b4(Te6edf3dbATb4b4b4, Te6edf3dbBTb4b4b4)

Te6edf3lifecycleOwner Tff7b72= Te6edf3TestLifecycleOwnerTb4b4b4(Tb4b4b4)

Te6edf3lifecycleOwnerTb4b4b4.Te6edf3moveToTb4b4b4(Te6edf3LifecycleTb4b4b4.Te6edf3EventTb4b4b4.Te6edf3ON_CREATETb4b4b4)

Tff7b72val Te6edf3switchingWriteDataSource Tff7b72= Te6edf3SwitchingNodeInfoWriteDataSourceTb4b4b4(Te6edf3providerTb4b4b4, Te6edf3dispatchersTb4b4b4)

Tff7b72val Te6edf3writeDataSourceWithoutStartupBackfill Tff7b72=

Tff7b72object Tb4b4b4: T56d364NodeInfoWriteDataSource Tff7b72by Te6edf3switchingWriteDataSource Tb4b4b4{

Tff7b72override Tff7b72suspend Tff7b72fun Td2a8ffbackfillDenormalizedNamesTb4b4b4(Tb4b4b4) Tff7b72= Tffa657Unit

Tb4b4b4}

Te6edf3repository Tff7b72=

Te6edf3NodeRepositoryImplTb4b4b4(

Te6edf3processLifecycle Tff7b72= Te6edf3lifecycleOwnerTb4b4b4.Te6edf3lifecycleTb4b4b4,

Te6edf3nodeInfoReadDataSource Tff7b72= Te6edf3SwitchingNodeInfoReadDataSourceTb4b4b4(Te6edf3providerTb4b4b4)Tb4b4b4,

Te6edf3nodeInfoWriteDataSource Tff7b72= Te6edf3writeDataSourceWithoutStartupBackfillTb4b4b4,

Te6edf3dispatchers Tff7b72= Te6edf3dispatchersTb4b4b4,

Te6edf3localStatsDataSource Tff7b72= Te6edf3FakeLocalStatsDataSourceTb4b4b4(Tb4b4b4)Tb4b4b4,

Tb4b4b4)

Te6edf3providerTb4b4b4.Te6edf3armTb4b4b4(Tb4b4b4)

Tb4b4b4}

Tf0883e@AfterTest

Tff7b72fun Td2a8fftearDownTb4b4b4(Tb4b4b4) Tb4b4b4{

Te6edf3lifecycleOwnerTb4b4b4.Te6edf3moveToTb4b4b4(Te6edf3LifecycleTb4b4b4.Te6edf3EventTb4b4b4.Te6edf3ON_DESTROYTb4b4b4)

Te6edf3dbATb4b4b4.Te6edf3closeTb4b4b4(Tb4b4b4)

Te6edf3dbBTb4b4b4.Te6edf3closeTb4b4b4(Tb4b4b4)

Te6edf3DispatchersTb4b4b4.Te6edf3resetMainTb4b4b4(Tb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ffdeleteNodeUsesOneDatabaseCaptureForNodeAndMetadataTb4b4b4(Tb4b4b4) Tff7b72= Te6edf3runTestTb4b4b4(Te6edf3testDispatcherTb4b4b4) Tb4b4b4{

Te6edf3seedNodeAndMetadataTb4b4b4(Te6edf3dbATb4b4b4, Ta5d6ff"Ta5d6ffATa5d6ff"Tb4b4b4)

Te6edf3seedNodeAndMetadataTb4b4b4(Te6edf3dbBTb4b4b4, Ta5d6ff"Ta5d6ffBTa5d6ff"Tb4b4b4)

Te6edf3repositoryTb4b4b4.Te6edf3deleteNodeTb4b4b4(Te6edf3NODE_NUMTb4b4b4)

Te6edf3assertEqualsTb4b4b4(T79c0ff1Tb4b4b4, Te6edf3providerTb4b4b4.Te6edf3withDbCallsTb4b4b4, Ta5d6ff"Ta5d6ffone logical deletion must capture the active database exactly onceTa5d6ff"Tb4b4b4)

Te6edf3assertNullTb4b4b4(Te6edf3dbATb4b4b4.Te6edf3nodeInfoDaoTb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3getNodeByNumTb4b4b4(Te6edf3NODE_NUMTb4b4b4)Tb4b4b4, Ta5d6ff"Ta5d6ffdatabase A node must be deletedTa5d6ff"Tb4b4b4)

Te6edf3assertFalseTb4b4b4(Te6edf3dbATb4b4b4.Te6edf3hasMetadataTb4b4b4(Te6edf3NODE_NUMTb4b4b4)Tb4b4b4, Ta5d6ff"Ta5d6ffdatabase A metadata must not be orphanedTa5d6ff"Tb4b4b4)

Te6edf3assertNotNullTb4b4b4(Te6edf3dbBTb4b4b4.Te6edf3nodeInfoDaoTb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3getNodeByNumTb4b4b4(Te6edf3NODE_NUMTb4b4b4)Tb4b4b4, Ta5d6ff"Ta5d6ffdatabase B node must be untouchedTa5d6ff"Tb4b4b4)

Te6edf3assertTrueTb4b4b4(Te6edf3dbBTb4b4b4.Te6edf3hasMetadataTb4b4b4(Te6edf3NODE_NUMTb4b4b4)Tb4b4b4, Ta5d6ff"Ta5d6ffdatabase B metadata must be untouchedTa5d6ff"Tb4b4b4)

Tb4b4b4}

Tff7b72private Tff7b72suspend Tff7b72fun Td2a8ffseedNodeAndMetadataTb4b4b4(Te6edf3databaseTb4b4b4: Te6edf3MeshtasticDatabaseTb4b4b4, Te6edf3labelTb4b4b4: Tffa657StringTb4b4b4) Tb4b4b4{

Te6edf3databaseTb4b4b4.Te6edf3nodeInfoDaoTb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3upsertTb4b4b4(Te6edf3NodeEntityTb4b4b4(Te6edf3num Tff7b72= Te6edf3NODE_NUMTb4b4b4, Te6edf3user Tff7b72= Te6edf3UserTb4b4b4(Te6edf3id Tff7b72= Ta5d6ff"Ta5d6ff!node-Tffd700$Te6edf3labelTa5d6ff"Tb4b4b4)Tb4b4b4)Tb4b4b4)

Te6edf3databaseTb4b4b4.Te6edf3nodeInfoDaoTb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3upsertTb4b4b4(Te6edf3MetadataEntityTb4b4b4(Te6edf3num Tff7b72= Te6edf3NODE_NUMTb4b4b4, Te6edf3proto Tff7b72= Te6edf3DeviceMetadataTb4b4b4(Te6edf3firmware_version Tff7b72= Te6edf3labelTb4b4b4)Tb4b4b4)Tb4b4b4)

Tb4b4b4}

Tff7b72private Tff7b72suspend Tff7b72fun Te6edf3MeshtasticDatabaseTb4b4b4.Td2a8ffhasMetadataTb4b4b4(Te6edf3numTb4b4b4: Tffa657IntTb4b4b4)Tb4b4b4: Tffa657Boolean Tff7b72=

Te6edf3nodeInfoDaoTb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3getAllMetadataSnapshotTb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3any Tb4b4b4{ Tffa657itTb4b4b4.Te6edf3num Tff7b72=Tff7b72= Te6edf3num Tb4b4b4}

Tff7b72private Tff7b72class T56d364TestLifecycleOwner Tb4b4b4: Te6edf3LifecycleOwner Tb4b4b4{

Tff7b72override Tff7b72val Te6edf3lifecycle Tff7b72= Te6edf3LifecycleRegistryTb4b4b4.Te6edf3createUnsafeTb4b4b4(Tff7b72thisTb4b4b4)

Tff7b72fun Td2a8ffmoveToTb4b4b4(Te6edf3eventTb4b4b4: Te6edf3LifecycleTb4b4b4.Te6edf3EventTb4b4b4) Tb4b4b4{

Te6edf3lifecycleTb4b4b4.Te6edf3handleLifecycleEventTb4b4b4(Te6edf3eventTb4b4b4)

Tb4b4b4}

Tb4b4b4}

T8b949e/** Switches A -> B after the first armed callback, reproducing a device change between two logical writes. */

Tff7b72private Tff7b72class T56d364SwitchAfterFirstWriteProviderTb4b4b4(Te6edf3dbATb4b4b4: Te6edf3MeshtasticDatabaseTb4b4b4, Tff7b72private Tff7b72val Te6edf3dbBTb4b4b4: Te6edf3MeshtasticDatabaseTb4b4b4) Tb4b4b4:

Te6edf3DatabaseProvider Tb4b4b4{

Tff7b72private Tff7b72val Te6edf3mutableCurrentDb Tff7b72= Te6edf3MutableStateFlowTb4b4b4(Te6edf3dbATb4b4b4)

Tff7b72override Tff7b72val Te6edf3currentDbTb4b4b4: Te6edf3StateFlowTff7b72<Te6edf3MeshtasticDatabaseTff7b72> Tff7b72= Te6edf3mutableCurrentDb

Tff7b72private Tff7b72var Te6edf3armed Tff7b72= Tff7b72false

Tff7b72var Te6edf3withDbCallsTb4b4b4: Tffa657Int Tff7b72= T79c0ff0

Te6edf3private Tff7b72set

Tff7b72override Tff7b72fun Tff7b72<Te6edf3TTff7b72> Td2a8ffobserveCurrentDbTb4b4b4(Te6edf3queryTb4b4b4: Tb4b4b4(Te6edf3MeshtasticDatabaseTb4b4b4) Tff7b72-Tff7b72> Te6edf3FlowTff7b72<Te6edf3TTff7b72>Tb4b4b4)Tb4b4b4: Te6edf3FlowTff7b72<Te6edf3TTff7b72> Tff7b72=

Te6edf3currentDbTb4b4b4.Te6edf3flatMapLatestTb4b4b4(Te6edf3queryTb4b4b4)

Tff7b72override Tff7b72suspend Tff7b72fun Tff7b72<Te6edf3TTff7b72> Td2a8ffwithReadDbTb4b4b4(Te6edf3blockTb4b4b4: Te6edf3suspend Tb4b4b4(Te6edf3MeshtasticDatabaseTb4b4b4) Tff7b72-Tff7b72> Te6edf3TTb4b4b4)Tb4b4b4: Te6edf3T Tff7b72= Te6edf3blockTb4b4b4(Te6edf3currentDbTb4b4b4.Te6edf3valueTb4b4b4)

Tff7b72override Tff7b72suspend Tff7b72fun Tff7b72<Te6edf3TTff7b72> Td2a8ffwithDbTb4b4b4(Te6edf3blockTb4b4b4: Te6edf3suspend Tb4b4b4(Te6edf3MeshtasticDatabaseTb4b4b4) Tff7b72-Tff7b72> Te6edf3TTb4b4b4)Tb4b4b4: Te6edf3T? Tb4b4b4{

Tff7b72val Te6edf3capturedDb Tff7b72= Te6edf3currentDbTb4b4b4.Te6edf3value

Tff7b72val Te6edf3result Tff7b72= Te6edf3blockTb4b4b4(Te6edf3capturedDbTb4b4b4)

Tff7b72if Tb4b4b4(Te6edf3armedTb4b4b4) Tb4b4b4{

Te6edf3withDbCalls Tff7b72+Tff7b72= T79c0ff1

Tff7b72if Tb4b4b4(Te6edf3withDbCalls Tff7b72=Tff7b72= T79c0ff1Tb4b4b4) Te6edf3mutableCurrentDbTb4b4b4.Te6edf3value Tff7b72= Te6edf3dbB

Tb4b4b4}

Tff7b72return Te6edf3result

Tb4b4b4}

Tff7b72fun Td2a8ffarmTb4b4b4(Tb4b4b4) Tb4b4b4{

Te6edf3armed Tff7b72= Tff7b72true

Te6edf3withDbCalls Tff7b72= T79c0ff0

Tb4b4b4}

Tb4b4b4}

Tff7b72private Tff7b72companion Tff7b72object Tb4b4b4{

Tff7b72const Tff7b72val Te6edf3NODE_NUM Tff7b72= T79c0ff0Te6edf3x1234

Tb4b4b4}

Tb4b4b4}