Node / meshtastic / Meshtastic-Android / files / core / ble / src / androidHostTest / kotlin / org / meshtastic / core / ble / AndroidBleScanStartLimiterTest.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.ble

Tff7b72import T7ee787kotlinx.coroutines.async

Tff7b72import T7ee787kotlinx.coroutines.awaitAll

Tff7b72import T7ee787kotlinx.coroutines.test.runTest

Tff7b72import T7ee787kotlin.test.Test

Tff7b72import T7ee787kotlin.test.assertEquals

Tff7b72import T7ee787kotlin.test.assertFailsWith

Tff7b72import T7ee787kotlin.test.assertSame

Tff7b72import T7ee787kotlin.test.assertTrue

Tff7b72import T7ee787kotlin.time.Duration.Companion.seconds

Tff7b72import T7ee787kotlin.time.TestTimeSource

Tff7b72class T56d364AndroidBleScanStartLimiterTest Tb4b4b4{

Tf0883e@Test

Tff7b72fun Td2a8ff`all scanner consumers share one process quota`Tb4b4b4(Tb4b4b4) Tb4b4b4{

Te6edf3assertSameTb4b4b4(Te6edf3createBleScanStartLimiterTb4b4b4(Tb4b4b4)Tb4b4b4, Te6edf3createBleScanStartLimiterTb4b4b4(Tb4b4b4)Tb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ff`sixth scan inside Android quota window is rejected`Tb4b4b4(Tb4b4b4) Tff7b72= Te6edf3runTest Tb4b4b4{

Tff7b72val Te6edf3limiter Tff7b72= Te6edf3AndroidBleScanStartLimiterTb4b4b4(Te6edf3timeSource Tff7b72= Te6edf3TestTimeSourceTb4b4b4(Tb4b4b4)Tb4b4b4)

Te6edf3repeatTb4b4b4(Te6edf3ANDROID_BLE_SCAN_START_LIMITTb4b4b4) Tb4b4b4{ Te6edf3limiterTb4b4b4.Te6edf3reserveStartTb4b4b4(Tb4b4b4) Tb4b4b4}

Tff7b72val Te6edf3failure Tff7b72= Te6edf3assertFailsWithTff7b72<Te6edf3BleScanStartExceptionTff7b72> Tb4b4b4{ Te6edf3limiterTb4b4b4.Te6edf3reserveStartTb4b4b4(Tb4b4b4) Tb4b4b4}

Te6edf3assertEqualsTb4b4b4(Te6edf3BleScanStartFailureReasonTb4b4b4.Te6edf3ScanningTooFrequentlyTb4b4b4, Te6edf3failureTb4b4b4.Te6edf3reasonTb4b4b4)

Te6edf3assertEqualsTb4b4b4(Te6edf3ANDROID_BLE_SCAN_START_WINDOWTb4b4b4, Te6edf3failureTb4b4b4.Te6edf3retryAfterTb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ff`reservation succeeds after oldest scan leaves quota window`Tb4b4b4(Tb4b4b4) Tff7b72= Te6edf3runTest Tb4b4b4{

Tff7b72val Te6edf3timeSource Tff7b72= Te6edf3TestTimeSourceTb4b4b4(Tb4b4b4)

Tff7b72val Te6edf3limiter Tff7b72= Te6edf3AndroidBleScanStartLimiterTb4b4b4(Te6edf3timeSource Tff7b72= Te6edf3timeSourceTb4b4b4, Te6edf3maxStarts Tff7b72= T79c0ff2Tb4b4b4, Te6edf3window Tff7b72= T79c0ff3T79c0ff0.Te6edf3secondsTb4b4b4)

Te6edf3limiterTb4b4b4.Te6edf3reserveStartTb4b4b4(Tb4b4b4)

Te6edf3timeSource Tff7b72+Tff7b72= T79c0ff1T79c0ff0.Te6edf3seconds

Te6edf3limiterTb4b4b4.Te6edf3reserveStartTb4b4b4(Tb4b4b4)

Te6edf3timeSource Tff7b72+Tff7b72= T79c0ff2T79c0ff0.Te6edf3seconds

Te6edf3limiterTb4b4b4.Te6edf3reserveStartTb4b4b4(Tb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ff`concurrent callers cannot exceed quota`Tb4b4b4(Tb4b4b4) Tff7b72= Te6edf3runTest Tb4b4b4{

Tff7b72val Te6edf3limiter Tff7b72= Te6edf3AndroidBleScanStartLimiterTb4b4b4(Te6edf3timeSource Tff7b72= Te6edf3TestTimeSourceTb4b4b4(Tb4b4b4)Tb4b4b4)

Tff7b72val Te6edf3results Tff7b72=

Te6edf3ListTb4b4b4(Te6edf3ANDROID_BLE_SCAN_START_LIMIT Tff7b72+ T79c0ff1Tb4b4b4) Tb4b4b4{ Te6edf3async Tb4b4b4{ Te6edf3runCatching Tb4b4b4{ Te6edf3limiterTb4b4b4.Te6edf3reserveStartTb4b4b4(Tb4b4b4) Tb4b4b4} Tb4b4b4} Tb4b4b4}Tb4b4b4.Te6edf3awaitAllTb4b4b4(Tb4b4b4)

Te6edf3assertEqualsTb4b4b4(Te6edf3ANDROID_BLE_SCAN_START_LIMITTb4b4b4, Te6edf3resultsTb4b4b4.Te6edf3count Tb4b4b4{ Tffa657itTb4b4b4.Te6edf3isSuccess Tb4b4b4}Tb4b4b4)

Tff7b72val Te6edf3failure Tff7b72= Te6edf3resultsTb4b4b4.Te6edf3single Tb4b4b4{ Tffa657itTb4b4b4.Te6edf3isFailure Tb4b4b4}Tb4b4b4.Te6edf3exceptionOrNullTb4b4b4(Tb4b4b4)

Te6edf3assertTrueTb4b4b4(Te6edf3failure Tff7b72is Te6edf3BleScanStartExceptionTb4b4b4)

Te6edf3assertEqualsTb4b4b4(Te6edf3BleScanStartFailureReasonTb4b4b4.Te6edf3ScanningTooFrequentlyTb4b4b4, Te6edf3failureTb4b4b4.Te6edf3reasonTb4b4b4)

Tb4b4b4}

Tb4b4b4}