Node / meshtastic / Meshtastic-Android / files / core / database / src / commonTest / kotlin / org / meshtastic / core / database / DatabaseManagerBackfillTest.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.database

Tff7b72import T7ee787kotlinx.coroutines.CompletableDeferred

Tff7b72import T7ee787kotlinx.coroutines.cancelAndJoin

Tff7b72import T7ee787kotlinx.coroutines.launch

Tff7b72import T7ee787kotlinx.coroutines.test.runCurrent

Tff7b72import T7ee787kotlinx.coroutines.test.runTest

Tff7b72import T7ee787kotlin.test.AfterTest

Tff7b72import T7ee787kotlin.test.BeforeTest

Tff7b72import T7ee787kotlin.test.Test

Tff7b72import T7ee787kotlin.test.assertEquals

Tff7b72import T7ee787kotlin.test.assertFalse

Tff7b72import T7ee787kotlin.test.assertTrue

Tff7b72class T56d364DatabaseManagerBackfillTest Tb4b4b4: Te6edf3DatabaseManagerTestFixtureTb4b4b4(Tb4b4b4) Tb4b4b4{

Tf0883e@BeforeTest Tff7b72fun Td2a8ffsetUpTb4b4b4(Tb4b4b4) Tff7b72= Te6edf3setUpFixtureTb4b4b4(Tb4b4b4)

Tf0883e@AfterTest Tff7b72fun Td2a8fftearDownTb4b4b4(Tb4b4b4) Tff7b72= Te6edf3tearDownFixtureTb4b4b4(Tb4b4b4)

Tf0883e@Test

Tff7b72fun Td2a8ffactiveBackfillDelaysAssociationUntilItFinishesTb4b4b4(Tb4b4b4) Tff7b72= Te6edf3runTestTb4b4b4(Te6edf3testDispatcherTb4b4b4) Tb4b4b4{

Tff7b72val Tb4b4b4(Te6edf3destinationTb4b4b4, Te6edf3sourceTb4b4b4) Tff7b72= Te6edf3setupTwoDatabasesTb4b4b4(Tb4b4b4)

Tff7b72val Te6edf3backfillStarted Tff7b72= Te6edf3CompletableDeferredTff7b72<Te6edf3MeshtasticDatabaseTff7b72>Tb4b4b4(Tb4b4b4)

Tff7b72val Te6edf3releaseBackfill Tff7b72= Te6edf3CompletableDeferredTff7b72<Tffa657UnitTff7b72>Tb4b4b4(Tb4b4b4)

Te6edf3managerTb4b4b4.Te6edf3backfillStarted Tff7b72= Te6edf3backfillStarted

Te6edf3managerTb4b4b4.Te6edf3backfillRelease Tff7b72= Te6edf3releaseBackfill

Tff7b72val Te6edf3mergeStarted Tff7b72= Te6edf3CompletableDeferredTff7b72<Tffa657UnitTff7b72>Tb4b4b4(Tb4b4b4)

Te6edf3managerTb4b4b4.Te6edf3beforeMerge Tff7b72= Tb4b4b4{ Te6edf3_Tb4b4b4, Te6edf3_Tb4b4b4, Te6edf3_ Tff7b72-Tff7b72> Te6edf3mergeStartedTb4b4b4.Te6edf3completeTb4b4b4(Tffa657UnitTb4b4b4) Tb4b4b4}

Tff7b72val Te6edf3backfillJob Tff7b72= Te6edf3launch Tb4b4b4{ Te6edf3managerTb4b4b4.Te6edf3backfillSearchIndexIfNeededTb4b4b4(Te6edf3sourceTb4b4b4) Tb4b4b4}

Te6edf3assertEqualsTb4b4b4(Te6edf3sourceTb4b4b4, Te6edf3backfillStartedTb4b4b4.Te6edf3awaitTb4b4b4(Tb4b4b4)Tb4b4b4)

Tff7b72val Te6edf3associateJob Tff7b72= Te6edf3launch Tb4b4b4{ Te6edf3managerTb4b4b4.Te6edf3associateCurrentDeviceTb4b4b4(Te6edf3nodeNum Tff7b72= T79c0ff1T79c0ff2T79c0ff3Tb4b4b4, Te6edf3deviceId Tff7b72= Ta5d6ff"Ta5d6ffdeadbeefdeadbeefTa5d6ff"Tb4b4b4) Tb4b4b4}

Te6edf3runCurrentTb4b4b4(Tb4b4b4)

Te6edf3assertFalseTb4b4b4(Te6edf3mergeStartedTb4b4b4.Te6edf3isCompletedTb4b4b4, Ta5d6ff"Ta5d6ffmerge must wait for the admitted backfill writerTa5d6ff"Tb4b4b4)

Te6edf3assertTrueTb4b4b4(Te6edf3managerTb4b4b4.Te6edf3debugWriterGateArmedTb4b4b4(Tb4b4b4)Tb4b4b4)

Te6edf3releaseBackfillTb4b4b4.Te6edf3completeTb4b4b4(Tffa657UnitTb4b4b4)

Te6edf3backfillJobTb4b4b4.Te6edf3joinTb4b4b4(Tb4b4b4)

Te6edf3associateJobTb4b4b4.Te6edf3joinTb4b4b4(Tb4b4b4)

Te6edf3assertTrueTb4b4b4(Te6edf3mergeStartedTb4b4b4.Te6edf3isCompletedTb4b4b4)

Te6edf3assertEqualsTb4b4b4(Te6edf3destinationTb4b4b4, Te6edf3managerTb4b4b4.Te6edf3currentDbTb4b4b4.Te6edf3valueTb4b4b4)

Te6edf3assertFalseTb4b4b4(Te6edf3managerTb4b4b4.Te6edf3debugWriterGateArmedTb4b4b4(Tb4b4b4)Tb4b4b4)

Tff7b72val Tb4b4b4(Te6edf3writersTb4b4b4, Te6edf3waitersTb4b4b4) Tff7b72= Te6edf3managerTb4b4b4.Te6edf3debugWriterCountsTb4b4b4(Tb4b4b4)

Te6edf3assertEqualsTb4b4b4(T79c0ff0Tb4b4b4, Te6edf3writersTb4b4b4)

Te6edf3assertEqualsTb4b4b4(T79c0ff0Tb4b4b4, Te6edf3waitersTb4b4b4)

Tb4b4b4}

T8b949e/** A delayed job scheduled for an old DB skips work after admission selects a different active DB. */

Tf0883e@Test

Tff7b72fun Td2a8ffstaleScheduledBackfillSkipsWorkAndBalancesAdmissionTb4b4b4(Tb4b4b4) Tff7b72= Te6edf3runTestTb4b4b4(Te6edf3testDispatcherTb4b4b4) Tb4b4b4{

Te6edf3managerTb4b4b4.Te6edf3switchActiveDatabaseTb4b4b4(Ta5d6ff"Ta5d6ffaddrATa5d6ff"Tb4b4b4)

Tff7b72val Te6edf3staleDb Tff7b72= Te6edf3managerTb4b4b4.Te6edf3currentDbTb4b4b4.Te6edf3value

Te6edf3managerTb4b4b4.Te6edf3switchActiveDatabaseTb4b4b4(Ta5d6ff"Ta5d6ffaddrBTa5d6ff"Tb4b4b4)

Te6edf3managerTb4b4b4.Te6edf3backfillSearchIndexIfNeededTb4b4b4(Te6edf3staleDbTb4b4b4)

Te6edf3assertTrueTb4b4b4(Te6edf3managerTb4b4b4.Te6edf3backfillDatabasesTb4b4b4.Te6edf3isEmptyTb4b4b4(Tb4b4b4)Tb4b4b4, Ta5d6ff"Ta5d6ffstale scheduled DB must not be backfilledTa5d6ff"Tb4b4b4)

Tff7b72val Tb4b4b4(Te6edf3writersTb4b4b4, Te6edf3waitersTb4b4b4) Tff7b72= Te6edf3managerTb4b4b4.Te6edf3debugWriterCountsTb4b4b4(Tb4b4b4)

Te6edf3assertEqualsTb4b4b4(T79c0ff0Tb4b4b4, Te6edf3writersTb4b4b4)

Te6edf3assertEqualsTb4b4b4(T79c0ff0Tb4b4b4, Te6edf3waitersTb4b4b4)

Tb4b4b4}

T8b949e/** Cancelling a backfill suspended at admission leaves no registration behind and does not disturb the merge. */

Tf0883e@Test

Tff7b72fun Td2a8ffcancellationWhileBackfillWaitsAtGateLeavesNoWriterLeakTb4b4b4(Tb4b4b4) Tff7b72= Te6edf3runTestTb4b4b4(Te6edf3testDispatcherTb4b4b4) Tb4b4b4{

Tff7b72val Tb4b4b4(Te6edf3destinationTb4b4b4, Te6edf3sourceTb4b4b4) Tff7b72= Te6edf3setupTwoDatabasesTb4b4b4(Tb4b4b4)

Tff7b72val Te6edf3mergeStarted Tff7b72= Te6edf3CompletableDeferredTff7b72<Tffa657UnitTff7b72>Tb4b4b4(Tb4b4b4)

Tff7b72val Te6edf3releaseMerge Tff7b72= Te6edf3CompletableDeferredTff7b72<Tffa657UnitTff7b72>Tb4b4b4(Tb4b4b4)

Te6edf3managerTb4b4b4.Te6edf3beforeMerge Tff7b72= Tb4b4b4{ Te6edf3_Tb4b4b4, Te6edf3_Tb4b4b4, Te6edf3_ Tff7b72-Tff7b72>

Te6edf3mergeStartedTb4b4b4.Te6edf3completeTb4b4b4(Tffa657UnitTb4b4b4)

Te6edf3releaseMergeTb4b4b4.Te6edf3awaitTb4b4b4(Tb4b4b4)

Tb4b4b4}

Tff7b72val Te6edf3associateJob Tff7b72= Te6edf3launch Tb4b4b4{ Te6edf3managerTb4b4b4.Te6edf3associateCurrentDeviceTb4b4b4(Te6edf3nodeNum Tff7b72= T79c0ff1T79c0ff2T79c0ff3Tb4b4b4, Te6edf3deviceId Tff7b72= Ta5d6ff"Ta5d6ffdeadbeefdeadbeefTa5d6ff"Tb4b4b4) Tb4b4b4}

Te6edf3mergeStartedTb4b4b4.Te6edf3awaitTb4b4b4(Tb4b4b4)

Tff7b72val Te6edf3backfillJob Tff7b72= Te6edf3launch Tb4b4b4{ Te6edf3managerTb4b4b4.Te6edf3backfillSearchIndexIfNeededTb4b4b4(Te6edf3sourceTb4b4b4) Tb4b4b4}

Te6edf3runCurrentTb4b4b4(Tb4b4b4)

Te6edf3backfillJobTb4b4b4.Te6edf3cancelAndJoinTb4b4b4(Tb4b4b4)

Te6edf3assertTrueTb4b4b4(Te6edf3managerTb4b4b4.Te6edf3backfillDatabasesTb4b4b4.Te6edf3isEmptyTb4b4b4(Tb4b4b4)Tb4b4b4, Ta5d6ff"Ta5d6ffcancelled gate waiter must not start backfill workTa5d6ff"Tb4b4b4)

Tff7b72val Tb4b4b4(Te6edf3writersDuringMergeTb4b4b4, Te6edf3waitersDuringMergeTb4b4b4) Tff7b72= Te6edf3managerTb4b4b4.Te6edf3debugWriterCountsTb4b4b4(Tb4b4b4)

Te6edf3assertEqualsTb4b4b4(T79c0ff0Tb4b4b4, Te6edf3writersDuringMergeTb4b4b4)

Te6edf3assertEqualsTb4b4b4(T79c0ff0Tb4b4b4, Te6edf3waitersDuringMergeTb4b4b4)

Te6edf3releaseMergeTb4b4b4.Te6edf3completeTb4b4b4(Tffa657UnitTb4b4b4)

Te6edf3associateJobTb4b4b4.Te6edf3joinTb4b4b4(Tb4b4b4)

Te6edf3assertEqualsTb4b4b4(Te6edf3destinationTb4b4b4, Te6edf3managerTb4b4b4.Te6edf3currentDbTb4b4b4.Te6edf3valueTb4b4b4)

Te6edf3assertFalseTb4b4b4(Te6edf3managerTb4b4b4.Te6edf3debugWriterGateArmedTb4b4b4(Tb4b4b4)Tb4b4b4)

Tff7b72val Tb4b4b4(Te6edf3writersTb4b4b4, Te6edf3waitersTb4b4b4) Tff7b72= Te6edf3managerTb4b4b4.Te6edf3debugWriterCountsTb4b4b4(Tb4b4b4)

Te6edf3assertEqualsTb4b4b4(T79c0ff0Tb4b4b4, Te6edf3writersTb4b4b4)

Te6edf3assertEqualsTb4b4b4(T79c0ff0Tb4b4b4, Te6edf3waitersTb4b4b4)

Tb4b4b4}

Tb4b4b4}