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/*
* Copyright (C) 2016 The Android Open Source Project
*
* 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 android.arch.persistence.room;
import static org.hamcrest.CoreMatchers.instanceOf;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.notNullValue;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.mockito.Mockito.mock;
import static java.util.Arrays.asList;
import android.arch.persistence.db.SupportSQLiteDatabase;
import android.arch.persistence.db.SupportSQLiteOpenHelper;
import android.arch.persistence.db.framework.FrameworkSQLiteOpenHelperFactory;
import android.arch.persistence.room.migration.Migration;
import android.content.Context;
import org.hamcrest.CoreMatchers;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import java.util.List;
@SuppressWarnings("ArraysAsListWithZeroOrOneArgument")
@RunWith(JUnit4.class)
public class BuilderTest {
@Test(expected = IllegalArgumentException.class)
public void nullContext() {
//noinspection ConstantConditions
Room.databaseBuilder(null, RoomDatabase.class, "bla").build();
}
@Test(expected = IllegalArgumentException.class)
public void nullContext2() {
//noinspection ConstantConditions
Room.inMemoryDatabaseBuilder(null, RoomDatabase.class).build();
}
@Test(expected = IllegalArgumentException.class)
public void nullName() {
//noinspection ConstantConditions
Room.databaseBuilder(mock(Context.class), RoomDatabase.class, null).build();
}
@Test(expected = IllegalArgumentException.class)
public void emptyName() {
Room.databaseBuilder(mock(Context.class), RoomDatabase.class, " ").build();
}
@Test
public void migration() {
Migration m1 = new EmptyMigration(0, 1);
Migration m2 = new EmptyMigration(1, 2);
TestDatabase db = Room.databaseBuilder(mock(Context.class), TestDatabase.class, "foo")
.addMigrations(m1, m2).build();
DatabaseConfiguration config = ((BuilderTest_TestDatabase_Impl) db).mConfig;
RoomDatabase.MigrationContainer migrations = config.migrationContainer;
assertThat(migrations.findMigrationPath(0, 1), is(asList(m1)));
assertThat(migrations.findMigrationPath(1, 2), is(asList(m2)));
assertThat(migrations.findMigrationPath(0, 2), is(asList(m1, m2)));
assertThat(migrations.findMigrationPath(2, 0), CoreMatchers.<List<Migration>>nullValue());
assertThat(migrations.findMigrationPath(0, 3), CoreMatchers.<List<Migration>>nullValue());
}
@Test
public void migrationOverride() {
Migration m1 = new EmptyMigration(0, 1);
Migration m2 = new EmptyMigration(1, 2);
Migration m3 = new EmptyMigration(0, 1);
TestDatabase db = Room.databaseBuilder(mock(Context.class), TestDatabase.class, "foo")
.addMigrations(m1, m2, m3).build();
DatabaseConfiguration config = ((BuilderTest_TestDatabase_Impl) db).mConfig;
RoomDatabase.MigrationContainer migrations = config.migrationContainer;
assertThat(migrations.findMigrationPath(0, 1), is(asList(m3)));
assertThat(migrations.findMigrationPath(1, 2), is(asList(m2)));
assertThat(migrations.findMigrationPath(0, 3), CoreMatchers.<List<Migration>>nullValue());
}
@Test
public void migrationJump() {
Migration m1 = new EmptyMigration(0, 1);
Migration m2 = new EmptyMigration(1, 2);
Migration m3 = new EmptyMigration(2, 3);
Migration m4 = new EmptyMigration(0, 3);
TestDatabase db = Room.databaseBuilder(mock(Context.class), TestDatabase.class, "foo")
.addMigrations(m1, m2, m3, m4).build();
DatabaseConfiguration config = ((BuilderTest_TestDatabase_Impl) db).mConfig;
RoomDatabase.MigrationContainer migrations = config.migrationContainer;
assertThat(migrations.findMigrationPath(0, 3), is(asList(m4)));
assertThat(migrations.findMigrationPath(1, 3), is(asList(m2, m3)));
}
@Test
public void skipMigration() {
Context context = mock(Context.class);
TestDatabase db = Room.inMemoryDatabaseBuilder(context, TestDatabase.class)
.fallbackToDestructiveMigration().build();
DatabaseConfiguration config = ((BuilderTest_TestDatabase_Impl) db).mConfig;
assertThat(config.requireMigration, is(false));
}
@Test
public void createBasic() {
Context context = mock(Context.class);
TestDatabase db = Room.inMemoryDatabaseBuilder(context, TestDatabase.class).build();
assertThat(db, instanceOf(BuilderTest_TestDatabase_Impl.class));
DatabaseConfiguration config = ((BuilderTest_TestDatabase_Impl) db).mConfig;
assertThat(config, notNullValue());
assertThat(config.context, is(context));
assertThat(config.name, is(nullValue()));
assertThat(config.allowMainThreadQueries, is(false));
assertThat(config.sqliteOpenHelperFactory,
instanceOf(FrameworkSQLiteOpenHelperFactory.class));
}
@Test
public void createAllowMainThread() {
Context context = mock(Context.class);
TestDatabase db = Room.inMemoryDatabaseBuilder(context, TestDatabase.class)
.allowMainThreadQueries()
.build();
DatabaseConfiguration config = ((BuilderTest_TestDatabase_Impl) db).mConfig;
assertThat(config.allowMainThreadQueries, is(true));
}
@Test
public void createWithFactoryAndVersion() {
Context context = mock(Context.class);
SupportSQLiteOpenHelper.Factory factory = mock(SupportSQLiteOpenHelper.Factory.class);
TestDatabase db = Room.inMemoryDatabaseBuilder(context, TestDatabase.class)
.openHelperFactory(factory)
.build();
assertThat(db, instanceOf(BuilderTest_TestDatabase_Impl.class));
DatabaseConfiguration config = ((BuilderTest_TestDatabase_Impl) db).mConfig;
assertThat(config, notNullValue());
assertThat(config.sqliteOpenHelperFactory, is(factory));
}
abstract static class TestDatabase extends RoomDatabase {
}
static class EmptyMigration extends Migration {
EmptyMigration(int start, int end) {
super(start, end);
}
@Override
public void migrate(SupportSQLiteDatabase database) {
}
}
}
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