Differential D83 Diff 287 src/androidTest/java/it/reyboz/bustorino/data/gtfs/GtfsDBMigrationsTest.java

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src/androidTest/java/it/reyboz/bustorino/data/gtfs/GtfsDBMigrationsTest.java

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				package it.reyboz.bustorino.data.gtfs;

				import androidx.room.Room;
				import androidx.room.migration.Migration;
				import androidx.room.testing.MigrationTestHelper;
				import androidx.sqlite.db.SupportSQLiteDatabase;
				import androidx.sqlite.db.framework.FrameworkSQLiteOpenHelperFactory;
				import androidx.test.platform.app.InstrumentationRegistry;
				import androidx.test.runner.AndroidJUnit4;

				import org.junit.Rule;
				import org.junit.Test;
				import org.junit.runner.RunWith;

				import java.io.IOException;

				import it.reyboz.bustorino.data.gtfs.GtfsDatabase;

				//@RunWith(AndroidJUnit4.class)
				public class GtfsDBMigrationsTest {
				private static final String TEST_DB = "migration-test";

				@Rule
				public MigrationTestHelper helper;

				public GtfsDBMigrationsTest() {
				helper = new MigrationTestHelper(InstrumentationRegistry.getInstrumentation(),
				GtfsDatabase.class.getCanonicalName(),
				new FrameworkSQLiteOpenHelperFactory());
				}

				@Test
				public void migrateAll() throws IOException {
				// Create earliest version of the database.
				SupportSQLiteDatabase db = helper.createDatabase(TEST_DB, 1);
				db.close();

				// Open latest version of the database. Room will validate the schema
				// once all migrations execute.
				GtfsDatabase appDb = Room.databaseBuilder(
				InstrumentationRegistry.getInstrumentation().getTargetContext(),
				GtfsDatabase.class,
				TEST_DB)
				.addMigrations(ALL_MIGRATIONS).build();
				appDb.getOpenHelper().getWritableDatabase();
				appDb.close();
				}

				// Array of all migrations
				private static final Migration[] ALL_MIGRATIONS = new Migration[]{
				GtfsDatabase.Companion.getMIGRATION_1_2()};
				}