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Add cacheOnly option to StoreReadRequest (#586)
* Add cacheOnly option to StoreReadRequest Signed-off-by: William Brawner <me@wbrawner.com> * Fix doc on StoreReadRequest.cacheOnly Signed-off-by: William Brawner <me@wbrawner.com> * Hit disk caches for cacheOnly requests Signed-off-by: William Brawner <me@wbrawner.com> * Rename cacheOnly to localOnly Signed-off-by: William Brawner <william.p.brawner@aexp.com> * Send NoNewData and log warning for localOnly requests with no local data sources configured Signed-off-by: William Brawner <william.p.brawner@aexp.com> --------- Signed-off-by: William Brawner <me@wbrawner.com> Signed-off-by: William Brawner <william.p.brawner@aexp.com>
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149 changes: 149 additions & 0 deletions
149
store/src/commonTest/kotlin/org/mobilenativefoundation/store/store5/LocalOnlyTests.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,149 @@ | ||
| package org.mobilenativefoundation.store.store5 | ||
|
|
||
| import co.touchlab.kermit.Logger | ||
| import kotlinx.atomicfu.atomic | ||
| import kotlinx.coroutines.flow.first | ||
| import kotlinx.coroutines.test.TestScope | ||
| import kotlinx.coroutines.test.runTest | ||
| import org.mobilenativefoundation.store.store5.impl.extensions.get | ||
| import org.mobilenativefoundation.store.store5.util.InMemoryPersister | ||
| import org.mobilenativefoundation.store.store5.util.asSourceOfTruth | ||
| import kotlin.test.Test | ||
| import kotlin.test.assertEquals | ||
| import kotlin.test.assertTrue | ||
| import kotlin.time.Duration | ||
|
|
||
| class LocalOnlyTests { | ||
| private val testScope = TestScope() | ||
|
|
||
| @Test | ||
| fun givenEmptyMemoryCacheThenCacheOnlyRequestReturnsNoNewData() = testScope.runTest { | ||
| val store = StoreBuilder | ||
| .from(Fetcher.of { _: Int -> throw RuntimeException("Fetcher shouldn't be hit") }) | ||
| .cachePolicy( | ||
| MemoryPolicy | ||
| .builder<Any, Any>() | ||
| .build() | ||
| ) | ||
| .build() | ||
| val response = store.stream(StoreReadRequest.localOnly(0)).first() | ||
| assertEquals(StoreReadResponse.NoNewData(StoreReadResponseOrigin.Cache), response) | ||
| } | ||
|
|
||
| @Test | ||
| fun givenPrimedMemoryCacheThenCacheOnlyRequestReturnsData() = testScope.runTest { | ||
| val fetcherHitCounter = atomic(0) | ||
| val store = StoreBuilder | ||
| .from(Fetcher.of { _: Int -> | ||
| fetcherHitCounter += 1 | ||
| "result" | ||
| }) | ||
| .cachePolicy( | ||
| MemoryPolicy | ||
| .builder<Any, Any>() | ||
| .build() | ||
| ) | ||
| .build() | ||
| val a = store.get(0) | ||
| assertEquals("result", a) | ||
| assertEquals(1, fetcherHitCounter.value) | ||
| val response = store.stream(StoreReadRequest.localOnly(0)).first() | ||
| assertEquals("result", response.requireData()) | ||
| assertEquals(1, fetcherHitCounter.value) | ||
| } | ||
|
|
||
| @Test | ||
| fun givenInvalidMemoryCacheThenCacheOnlyRequestReturnsNoNewData() = testScope.runTest { | ||
| val fetcherHitCounter = atomic(0) | ||
| val store = StoreBuilder | ||
| .from(Fetcher.of { _: Int -> | ||
| fetcherHitCounter += 1 | ||
| "result" | ||
| }) | ||
| .cachePolicy( | ||
| MemoryPolicy | ||
| .builder<Any, Any>() | ||
| .setExpireAfterWrite(Duration.ZERO) | ||
| .build() | ||
| ) | ||
| .build() | ||
| val a = store.get(0) | ||
| assertEquals("result", a) | ||
| assertEquals(1, fetcherHitCounter.value) | ||
| val response = store.stream(StoreReadRequest.localOnly(0)).first() | ||
| assertEquals(StoreReadResponse.NoNewData(StoreReadResponseOrigin.Cache), response) | ||
| assertEquals(1, fetcherHitCounter.value) | ||
| } | ||
|
|
||
| @Test | ||
| fun givenEmptyDiskCacheThenCacheOnlyRequestReturnsNoNewData() = testScope.runTest { | ||
| val persister = InMemoryPersister<Int, String>() | ||
| val store = StoreBuilder | ||
| .from( | ||
| fetcher = Fetcher.of { _: Int -> throw RuntimeException("Fetcher shouldn't be hit") }, | ||
| sourceOfTruth = persister.asSourceOfTruth() | ||
| ) | ||
| .disableCache() | ||
| .build() | ||
| val response = store.stream(StoreReadRequest.localOnly(0)).first() | ||
| assertEquals(StoreReadResponse.NoNewData(StoreReadResponseOrigin.SourceOfTruth), response) | ||
| } | ||
|
|
||
| @Test | ||
| fun givenPrimedDiskCacheThenCacheOnlyRequestReturnsData() = testScope.runTest { | ||
| val fetcherHitCounter = atomic(0) | ||
| val persister = InMemoryPersister<Int, String>() | ||
| val store = StoreBuilder | ||
| .from( | ||
| fetcher = Fetcher.of { _: Int -> | ||
| fetcherHitCounter += 1 | ||
| "result" | ||
| }, | ||
| sourceOfTruth = persister.asSourceOfTruth() | ||
| ) | ||
| .disableCache() | ||
| .build() | ||
| val a = store.get(0) | ||
| assertEquals("result", a) | ||
| assertEquals(1, fetcherHitCounter.value) | ||
| val response = store.stream(StoreReadRequest.localOnly(0)).first() | ||
| assertEquals("result", response.requireData()) | ||
| assertEquals(StoreReadResponseOrigin.SourceOfTruth, response.origin) | ||
| assertEquals(1, fetcherHitCounter.value) | ||
| } | ||
|
|
||
| @Test | ||
| fun givenInvalidDiskCacheThenCacheOnlyRequestReturnsNoNewData() = testScope.runTest { | ||
| val fetcherHitCounter = atomic(0) | ||
| val persister = InMemoryPersister<Int, String>() | ||
| persister.write(0, "result") | ||
| val store = StoreBuilder | ||
| .from( | ||
| fetcher = Fetcher.of { _: Int -> | ||
| fetcherHitCounter += 1 | ||
| "result" | ||
| }, | ||
| sourceOfTruth = persister.asSourceOfTruth() | ||
| ) | ||
| .disableCache() | ||
| .validator(Validator.by { false }) | ||
| .build() | ||
| val a = store.get(0) | ||
| assertEquals("result", a) | ||
| assertEquals(1, fetcherHitCounter.value) | ||
| val response = store.stream(StoreReadRequest.localOnly(0)).first() | ||
| assertEquals(StoreReadResponse.NoNewData(StoreReadResponseOrigin.SourceOfTruth), response) | ||
| assertEquals(1, fetcherHitCounter.value) | ||
| } | ||
|
|
||
| @Test | ||
| fun givenNoCacheThenCacheOnlyRequestReturnsNoNewData() = testScope.runTest { | ||
| val store = StoreBuilder | ||
| .from(Fetcher.of { _: Int -> throw RuntimeException("Fetcher shouldn't be hit") }) | ||
| .disableCache() | ||
| .build() | ||
| val response = store.stream(StoreReadRequest.localOnly(0)).first() | ||
| assertTrue(response is StoreReadResponse.NoNewData) | ||
| assertEquals(StoreReadResponseOrigin.Cache, response.origin) | ||
| } | ||
| } |