tutorials/Android-Tutorial-Test-ShowCase
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Issue#3 Implement migration test which runs both on Real device and via Robolectric

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This commit is contained in:
Gergely Hegedus 2022-01-23 12:40:30 +02:00
parent 4a1254d092
commit 2aca350175
16 changed files with 1028 additions and 2 deletions
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2
app/src/main/java/org/fnives/test/showcase/storage/LocalDatabase.kt
View file

@ -7,7 +7,7 @@ import org.fnives.test.showcase.storage.favourite.FavouriteEntity
@Database(
entities = [FavouriteEntity::class],
version = 1,
version = 2,
exportSchema = true
)
abstract class LocalDatabase : RoomDatabase() {

2
app/src/main/java/org/fnives/test/showcase/storage/database/DatabaseInitialization.kt
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@ -3,11 +3,13 @@ package org.fnives.test.showcase.storage.database
import android.content.Context
import androidx.room.Room
import org.fnives.test.showcase.storage.LocalDatabase
import org.fnives.test.showcase.storage.migation.Migration1To2
object DatabaseInitialization {
fun create(context: Context): LocalDatabase =
Room.databaseBuilder(context, LocalDatabase::class.java, "local_database")
.addMigrations(Migration1To2())
.allowMainThreadQueries()
.build()
}

6
app/src/main/java/org/fnives/test/showcase/storage/favourite/FavouriteEntity.kt
View file

@ -1,7 +1,11 @@
package org.fnives.test.showcase.storage.favourite
import androidx.room.ColumnInfo
import androidx.room.Entity
import androidx.room.PrimaryKey
@Entity
data class FavouriteEntity(@PrimaryKey val contentId: String)
data class FavouriteEntity(
@ColumnInfo(name = "content_id")
@PrimaryKey val contentId: String
)

14
app/src/main/java/org/fnives/test/showcase/storage/migation/Migration1To2.kt Normal file
View file

@ -0,0 +1,14 @@
package org.fnives.test.showcase.storage.migation
import androidx.room.migration.Migration
import androidx.sqlite.db.SupportSQLiteDatabase
class Migration1To2 : Migration(1, 2) {
override fun migrate(database: SupportSQLiteDatabase) {
database.execSQL("ALTER TABLE FavouriteEntity RENAME TO FavouriteEntityOld")
database.execSQL("CREATE TABLE FavouriteEntity(content_id TEXT NOT NULL PRIMARY KEY)")
database.execSQL("INSERT INTO FavouriteEntity(content_id) SELECT contentId FROM FavouriteEntityOld")
database.execSQL("DROP TABLE FavouriteEntityOld")
}
}