Convert CrashDataStore to an interface for testing purpose.

features/rageshake/src/main/kotlin/io/element/android/features/rageshake/crash/CrashDataStore.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022 New Vector Ltd
+ * Copyright (c) 2023 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.
@@ -16,59 +16,14 @@
 
 package io.element.android.features.rageshake.crash
 
-import android.content.Context
-import androidx.datastore.core.DataStore
-import androidx.datastore.preferences.core.Preferences
-import androidx.datastore.preferences.core.booleanPreferencesKey
-import androidx.datastore.preferences.core.edit
-import androidx.datastore.preferences.core.stringPreferencesKey
-import androidx.datastore.preferences.preferencesDataStore
-import io.element.android.libraries.core.bool.orFalse
-import io.element.android.libraries.di.ApplicationContext
 import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.map
-import kotlinx.coroutines.runBlocking
-import javax.inject.Inject
 
-private val Context.dataStore: DataStore<Preferences> by preferencesDataStore(name = "elementx_crash")
+interface CrashDataStore {
+    fun setCrashData(crashData: String)
 
-private val appHasCrashedKey = booleanPreferencesKey("appHasCrashed")
+    suspend fun resetAppHasCrashed()
-private val crashDataKey = stringPreferencesKey("crashData")
+    fun appHasCrashed(): Flow<Boolean>
+    fun crashInfo(): Flow<String>
 
-class CrashDataStore @Inject constructor(
+    suspend fun reset()
-    @ApplicationContext context: Context
-) {
-    private val store = context.dataStore
-
-    fun setCrashData(crashData: String) {
-        // Must block
-        runBlocking {
-            store.edit { prefs ->
-                prefs[appHasCrashedKey] = true
-                prefs[crashDataKey] = crashData
-            }
-        }
-    }
-
-    suspend fun resetAppHasCrashed() {
-        store.edit { prefs ->
-            prefs[appHasCrashedKey] = false
-        }
-    }
-
-    fun appHasCrashed(): Flow<Boolean> {
-        return store.data.map { prefs ->
-            prefs[appHasCrashedKey].orFalse()
-        }
-    }
-
-    fun crashInfo(): Flow<String> {
-        return store.data.map { prefs ->
-            prefs[crashDataKey].orEmpty()
-        }
-    }
-
-    suspend fun reset() {
-        store.edit { it.clear() }
-    }
 }

features/rageshake/src/main/kotlin/io/element/android/features/rageshake/crash/PreferencesCrashDataStore.kt

@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2022 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.rageshake.crash
+
+import android.content.Context
+import androidx.datastore.core.DataStore
+import androidx.datastore.preferences.core.Preferences
+import androidx.datastore.preferences.core.booleanPreferencesKey
+import androidx.datastore.preferences.core.edit
+import androidx.datastore.preferences.core.stringPreferencesKey
+import androidx.datastore.preferences.preferencesDataStore
+import com.squareup.anvil.annotations.ContributesBinding
+import io.element.android.libraries.core.bool.orFalse
+import io.element.android.libraries.di.AppScope
+import io.element.android.libraries.di.ApplicationContext
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.runBlocking
+import javax.inject.Inject
+
+private val Context.dataStore: DataStore<Preferences> by preferencesDataStore(name = "elementx_crash")
+
+private val appHasCrashedKey = booleanPreferencesKey("appHasCrashed")
+private val crashDataKey = stringPreferencesKey("crashData")
+
+@ContributesBinding(AppScope::class)
+class PreferencesCrashDataStore @Inject constructor(
+    @ApplicationContext context: Context
+) : CrashDataStore {
+    private val store = context.dataStore
+
+    override fun setCrashData(crashData: String) {
+        // Must block
+        runBlocking {
+            store.edit { prefs ->
+                prefs[appHasCrashedKey] = true
+                prefs[crashDataKey] = crashData
+            }
+        }
+    }
+
+    override suspend fun resetAppHasCrashed() {
+        store.edit { prefs ->
+            prefs[appHasCrashedKey] = false
+        }
+    }
+
+    override fun appHasCrashed(): Flow<Boolean> {
+        return store.data.map { prefs ->
+            prefs[appHasCrashedKey].orFalse()
+        }
+    }
+
+    override fun crashInfo(): Flow<String> {
+        return store.data.map { prefs ->
+            prefs[crashDataKey].orEmpty()
+        }
+    }
+
+    override suspend fun reset() {
+        store.edit { it.clear() }
+    }
+}

features/rageshake/src/main/kotlin/io/element/android/features/rageshake/crash/VectorUncaughtExceptionHandler.kt

@@ -26,7 +26,7 @@ import java.io.StringWriter
 class VectorUncaughtExceptionHandler(
     context: Context
 ) : Thread.UncaughtExceptionHandler {
-    private val crashDataStore = CrashDataStore(context)
+    private val crashDataStore = PreferencesCrashDataStore(context)
     private var previousHandler: Thread.UncaughtExceptionHandler? = null
 
     /**