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https://github.com/TeamNewPipe/NewPipe
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Add tests for migrations in the Room database
Doing this increase the level of reliability of migrations, as we can be pretty much more confident of avoiding problems with them.
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@ -84,6 +84,10 @@ android {
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androidExtensions {
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experimental = true
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}
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sourceSets {
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androidTest.assets.srcDirs += files("$projectDir/schemas".toString())
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}
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}
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ext {
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@ -100,6 +104,8 @@ ext {
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dependencies {
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implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
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androidTestImplementation 'androidx.test.ext:junit:1.1.1'
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androidTestImplementation "android.arch.persistence.room:testing:1.1.1"
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androidTestImplementation('androidx.test.espresso:espresso-core:3.1.0', {
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exclude module: 'support-annotations'
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})
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@ -0,0 +1,79 @@
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package org.schabi.newpipe.database
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import android.content.ContentValues
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import android.database.sqlite.SQLiteDatabase
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import androidx.room.Room
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import androidx.room.testing.MigrationTestHelper
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import androidx.sqlite.db.framework.FrameworkSQLiteOpenHelperFactory
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import androidx.test.core.app.ApplicationProvider
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import androidx.test.ext.junit.runners.AndroidJUnit4
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import androidx.test.platform.app.InstrumentationRegistry
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import org.junit.Assert.assertEquals
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import org.junit.Assert.assertNull
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import org.junit.Rule
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import org.junit.Test
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import org.junit.runner.RunWith
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import org.schabi.newpipe.extractor.stream.StreamType
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@RunWith(AndroidJUnit4::class)
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class AppDatabaseTest {
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companion object {
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private const val DEFAULT_SERVICE_ID = 0
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private const val DEFAULT_URL = "https://www.youtube.com/watch?v=cDphUib5iG4"
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private const val DEFAULT_TITLE = "Test Title"
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private val DEFAULT_TYPE = StreamType.VIDEO_STREAM
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private const val DEFAULT_DURATION = 480L
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private const val DEFAULT_UPLOADER_NAME = "Uploader Test"
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private const val DEFAULT_THUMBNAIL = "https://example.com/example.jpg"
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}
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@get:Rule val testHelper = MigrationTestHelper(InstrumentationRegistry.getInstrumentation(),
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AppDatabase::class.java.canonicalName, FrameworkSQLiteOpenHelperFactory());
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@Test
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fun migrateDatabaseFrom2to3() {
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val databaseInV2 = testHelper.createDatabase(AppDatabase.DATABASE_NAME, Migrations.DB_VER_2)
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databaseInV2.run {
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insert("streams", SQLiteDatabase.CONFLICT_FAIL, ContentValues().apply {
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// put("uid", null)
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put("service_id", DEFAULT_SERVICE_ID)
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put("url", DEFAULT_URL)
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put("title", DEFAULT_TITLE)
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put("stream_type", DEFAULT_TYPE.name)
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put("duration", DEFAULT_DURATION)
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put("uploader", DEFAULT_UPLOADER_NAME)
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put("thumbnail_url", DEFAULT_THUMBNAIL)
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})
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close()
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}
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testHelper.runMigrationsAndValidate(AppDatabase.DATABASE_NAME, Migrations.DB_VER_3,
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true, Migrations.MIGRATION_2_3);
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val migratedDatabaseV3 = getMigratedDatabase()
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val listFromDB = migratedDatabaseV3.streamDAO().all.blockingFirst()
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assertEquals(1, listFromDB.size)
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val streamFromMigratedDatabase = listFromDB.first()
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assertEquals(DEFAULT_SERVICE_ID, streamFromMigratedDatabase.serviceId)
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assertEquals(DEFAULT_URL, streamFromMigratedDatabase.url)
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assertEquals(DEFAULT_TITLE, streamFromMigratedDatabase.title)
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assertEquals(DEFAULT_TYPE, streamFromMigratedDatabase.streamType)
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assertEquals(DEFAULT_DURATION, streamFromMigratedDatabase.duration)
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assertEquals(DEFAULT_UPLOADER_NAME, streamFromMigratedDatabase.uploader)
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assertEquals(DEFAULT_THUMBNAIL, streamFromMigratedDatabase.thumbnailUrl)
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assertNull(streamFromMigratedDatabase.viewCount)
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assertNull(streamFromMigratedDatabase.textualUploadDate)
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assertNull(streamFromMigratedDatabase.uploadDate)
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assertNull(streamFromMigratedDatabase.isUploadDateApproximation)
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}
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private fun getMigratedDatabase(): AppDatabase {
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val database: AppDatabase = Room.databaseBuilder(ApplicationProvider.getApplicationContext(),
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AppDatabase::class.java, AppDatabase.DATABASE_NAME)
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.build()
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testHelper.closeWhenFinished(database)
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return database
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}
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}
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