Merge pull request #3535 from element-hq/feature/bma/alwaysMigrateApp

Perform the migration, even if the current version is not known.

Author: ganfra

features/migration/impl/src/main/kotlin/io/element/android/features/migration/impl/MigrationPresenter.kt

@@ -45,10 +45,7 @@ class MigrationPresenter @Inject constructor(
         LaunchedEffect(migrationStoreVersion) {
             val migrationValue = migrationStoreVersion ?: return@LaunchedEffect
             if (migrationValue == -1) {
-                // Fresh install, no migration needed
-                Timber.d("Fresh install, no migration needed.")
-                migrationStore.setApplicationMigrationVersion(lastMigration)
-                return@LaunchedEffect
+                Timber.d("Fresh install, or previous installed application did not have the migration mechanism.")
             }
             if (migrationValue == lastMigration) {
                 Timber.d("Current app migration version: $migrationValue. No migration needed.")

features/migration/impl/src/test/kotlin/io/element/android/features/migration/impl/MigrationPresenterTest.kt

@@ -27,12 +27,9 @@ class MigrationPresenterTest {
     val warmUpRule = WarmUpRule()
 
     @Test
-    fun `present - no migration should occurs on fresh installation, and last version should be stored`() = runTest {
+    fun `present - run all migrations on fresh installation, and last version should be stored`() = runTest {
         val migrations = (1..10).map { order ->
-            FakeAppMigration(
-                order = order,
-                migrateLambda = LambdaNoParamRecorder(ensureNeverCalled = true) { },
-            )
+            FakeAppMigration(order = order)
         }
         val store = InMemoryMigrationStore(initialApplicationMigrationVersion = -1)
         val presenter = createPresenter(
@@ -44,12 +41,15 @@ class MigrationPresenterTest {
         }.test {
             val initialState = awaitItem()
             assertThat(initialState.migrationAction).isEqualTo(AsyncData.Uninitialized)
-            skipItems(1)
+            skipItems(migrations.size)
             awaitItem().also { state ->
                 assertThat(state.migrationAction).isEqualTo(AsyncData.Success(Unit))
             }
             assertThat(store.applicationMigrationVersion().first()).isEqualTo(migrations.maxOf { it.order })
         }
+        for (migration in migrations) {
+            migration.migrateLambda.assertions().isCalledOnce()
+        }
     }
 
     @Test