Merge pull request #3044 from element-hq/feature/bma/testDefaultClearCacheUseCase

Add test on DefaultClearCacheUseCase

features/preferences/impl/src/main/kotlin/io/element/android/features/preferences/impl/tasks/ClearCacheUseCase.kt

@@ -43,7 +43,7 @@ class DefaultClearCacheUseCase @Inject constructor(
     @ApplicationContext private val context: Context,
     private val matrixClient: MatrixClient,
     private val coroutineDispatchers: CoroutineDispatchers,
-    private val defaultCacheIndexProvider: DefaultCacheService,
+    private val defaultCacheService: DefaultCacheService,
     private val okHttpClient: Provider<OkHttpClient>,
     private val ftueService: FtueService,
     private val migrationScreenStore: MigrationScreenStore,
@@ -65,6 +65,6 @@ class DefaultClearCacheUseCase @Inject constructor(
         // Clear migration screen store
         migrationScreenStore.reset()
         // Ensure the app is restarted
-        defaultCacheIndexProvider.onClearedCache(matrixClient.sessionId)
+        defaultCacheService.onClearedCache(matrixClient.sessionId)
     }
 }

features/preferences/impl/src/test/kotlin/io/element/android/features/preferences/impl/tasks/DefaultClearCacheUseCaseTest.kt

@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2024 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.features.preferences.impl.tasks
+
+import androidx.test.platform.app.InstrumentationRegistry
+import app.cash.turbine.test
+import com.google.common.truth.Truth.assertThat
+import io.element.android.features.ftue.test.FakeFtueService
+import io.element.android.features.preferences.impl.DefaultCacheService
+import io.element.android.features.roomlist.impl.migration.InMemoryMigrationScreenStore
+import io.element.android.libraries.matrix.test.FakeMatrixClient
+import io.element.android.tests.testutils.lambda.lambdaRecorder
+import io.element.android.tests.testutils.testCoroutineDispatchers
+import kotlinx.coroutines.test.runTest
+import okhttp3.OkHttpClient
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.RobolectricTestRunner
+
+@RunWith(RobolectricTestRunner::class)
+class DefaultClearCacheUseCaseTest {
+    @Test
+    fun `execute clear cache should do all the expected tasks`() = runTest {
+        val clearCacheLambda = lambdaRecorder<Unit> { }
+        val matrixClient = FakeMatrixClient(
+            clearCacheLambda = clearCacheLambda,
+        )
+        val defaultCacheService = DefaultCacheService()
+        val resetFtueLambda = lambdaRecorder<Unit> { }
+        val ftueService = FakeFtueService(
+            resetLambda = resetFtueLambda,
+        )
+        val resetMigrationLambda = lambdaRecorder<Unit> { }
+        val migrationScreenStore = InMemoryMigrationScreenStore(
+            resetLambda = resetMigrationLambda,
+        )
+        val sut = DefaultClearCacheUseCase(
+            context = InstrumentationRegistry.getInstrumentation().context,
+            matrixClient = matrixClient,
+            coroutineDispatchers = testCoroutineDispatchers(),
+            defaultCacheService = defaultCacheService,
+            okHttpClient = { OkHttpClient.Builder().build() },
+            ftueService = ftueService,
+            migrationScreenStore = migrationScreenStore
+        )
+        defaultCacheService.clearedCacheEventFlow.test {
+            sut.invoke()
+            clearCacheLambda.assertions().isCalledOnce()
+            resetFtueLambda.assertions().isCalledOnce()
+            resetMigrationLambda.assertions().isCalledOnce()
+            assertThat(awaitItem()).isEqualTo(matrixClient.sessionId)
+        }
+    }
+}