Ensure clearing the cache delete the CacheStore.

libraries/cachestore/api/src/main/kotlin/io/element/android/libraries/cachestore/api/CacheStore.kt

@@ -11,4 +11,5 @@ interface CacheStore {
     suspend fun storeData(key: String, data: CacheData)
     suspend fun getData(key: String): CacheData?
     suspend fun deleteData(key: String)
+    suspend fun deleteAll()
 }

libraries/cachestore/impl/src/main/kotlin/io/element/android/libraries/cachestore/impl/DatabaseCacheStore.kt

@@ -27,10 +27,14 @@ class DatabaseCacheStore(
     override suspend fun storeData(key: String, data: CacheData) {
         database.cacheDataQueries.insertData(
             data.toDbModel(key)
-        )
+        ).await()
     }
 
     override suspend fun deleteData(key: String) {
-        database.cacheDataQueries.deleteData(key)
+        database.cacheDataQueries.deleteData(key).await()
+    }
+
+    override suspend fun deleteAll() {
+        database.cacheDataQueries.deleteAll().await()
     }
 }

libraries/cachestore/impl/src/main/sqldelight/io/element/android/libraries/cachestore/CacheData.sq

@@ -23,3 +23,6 @@ INSERT OR REPLACE INTO CacheData VALUES ?;
 
 deleteData:
 DELETE FROM CacheData WHERE key = ?;
+
+deleteAll:
+DELETE FROM CacheData;

libraries/cachestore/impl/src/test/kotlin/io/element/android/libraries/sessionstorage/impl/DatabaseCacheStoreTest.kt

@@ -65,4 +65,22 @@ class DatabaseCacheStoreTest {
         databaseCacheStore.deleteData(A_KEY)
         assertThat(database.cacheDataQueries.selectData(A_KEY).executeAsOneOrNull()).isNull()
     }
+
+    @Test
+    fun `deleteAll deletes all the data`() = runTest {
+        // Assert that no data is stored for the key
+        assertThat(database.cacheDataQueries.selectData(A_KEY).executeAsOneOrNull()).isNull()
+        // Store data
+        databaseCacheStore.storeData(A_KEY, CacheData(A_DATA_1, 1))
+        assertThat(database.cacheDataQueries.selectData(A_KEY).executeAsOneOrNull()).isEqualTo(
+            DbCacheData(
+                key = A_KEY,
+                value_ = A_DATA_1,
+                updatedAt = 1,
+            )
+        )
+        // Delete all data
+        databaseCacheStore.deleteAll()
+        assertThat(database.cacheDataQueries.selectData(A_KEY).executeAsOneOrNull()).isNull()
+    }
 }

libraries/cachestore/test/src/main/kotlin/io/element/android/libraries/sessionstorage/test/InMemoryCacheStore.kt

@@ -26,4 +26,8 @@ class InMemoryCacheStore(
     override suspend fun deleteData(key: String) {
         dataMap.remove(key)
     }
+
+    override suspend fun deleteAll() {
+        dataMap.clear()
+    }
 }