- Introduced a small modification to the db migration to version 3 that will take care of filling up the 'bts_value' of pre-existing entries in the 'transfer' table made with BTS
- Extended the unit test for the 2-to-3 database migration to take in consideration said change
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parent
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2 changed files with 14 additions and 4 deletions
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@ -5,6 +5,7 @@ import androidx.sqlite.db.framework.FrameworkSQLiteOpenHelperFactory
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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 cy.agorise.bitsybitshareswallet.database.BitsyDatabase
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import org.junit.Assert
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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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@ -24,17 +25,26 @@ class MigrationTest {
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@Test
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@Throws(IOException::class)
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fun migrate2To3() {
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var db = helper.createDatabase(TEST_DB, 2).apply {
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helper.createDatabase(TEST_DB, 2).apply {
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// db has schema version 1. insert some data using SQL queries.
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// You cannot use DAO classes because they expect the latest schema.
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execSQL("INSERT INTO assets(id, symbol, precision, description, bit_asset_id) VALUES('1.3.0','BTS', 5, '', '')")
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execSQL("INSERT INTO transfers(id, block_number, timestamp, fee_amount, fee_asset_id, source, destination, transfer_amount, transfer_asset_id, memo) values(1,0,1500000000,120,'1.3.0','1.2.100','1.2.101',1000,'1.3.121','')")
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// Inserting two entries in the 'transfers' table, without any 'bts_value' field.
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execSQL("INSERT INTO transfers(id, block_number, timestamp, fee_amount, fee_asset_id, source, destination, transfer_amount, transfer_asset_id, memo) values('1',0,1500000000,120,'1.3.0','1.2.100','1.2.101',1000,'1.3.121','')")
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execSQL("INSERT INTO transfers(id, block_number, timestamp, fee_amount, fee_asset_id, source, destination, transfer_amount, transfer_asset_id, memo) values('2',1,1500000300,120,'1.3.0','1.2.100','1.2.101',1000,'1.3.0','')")
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execSQL("INSERT INTO equivalent_values(id, transfer_id, value, asset_id) values(1, 1, 100, '1.3.0')")
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// Prepare for the next version.
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close()
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}
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// Re-open the database with version 2 and provide
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// MIGRATION_1_2 as the migration process.
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db = helper.runMigrationsAndValidate(TEST_DB, 3, true, BitsyDatabase.MIGRATION_2_3)
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val db = helper.runMigrationsAndValidate(TEST_DB, 3, true, BitsyDatabase.MIGRATION_2_3)
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val cursor = db.query("SELECT bts_value FROM transfers WHERE id = '2'")
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cursor.moveToFirst()
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// Checking that the 'bts_value' of the transfer with id '2', which was a BTS transfer, now has the 'bts_value'
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// column with the same value as the 'transfer_amount'.
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Assert.assertEquals(1, cursor.count)
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Assert.assertEquals(1, cursor.columnCount)
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Assert.assertEquals(1000, cursor.getLong(0))
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}
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}
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@ -24,7 +24,6 @@ import cy.agorise.bitsybitshareswallet.database.joins.TransferDetailDao
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version = 3,
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exportSchema = true)
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abstract class BitsyDatabase : RoomDatabase() {
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abstract fun assetDao(): AssetDao
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abstract fun authorityDao(): AuthorityDao
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abstract fun balanceDao(): BalanceDao
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@ -70,6 +69,7 @@ abstract class BitsyDatabase : RoomDatabase() {
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database.execSQL("CREATE TABLE IF NOT EXISTS 'equivalent_values' ('transfer_id' TEXT NOT NULL, 'value' INTEGER NOT NULL, 'symbol' TEXT NOT NULL, PRIMARY KEY(transfer_id, symbol), FOREIGN KEY (transfer_id) REFERENCES transfers(id))")
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database.execSQL("ALTER TABLE transfers ADD bts_value INTEGER")
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database.execSQL("UPDATE transfers SET bts_value = transfer_amount WHERE transfer_asset_id = '1.3.0'")
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database.execSQL("DROP TABLE assets")
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database.execSQL("CREATE TABLE IF NOT EXISTS assets (`id` TEXT NOT NULL, `symbol` TEXT NOT NULL, `precision` INTEGER NOT NULL, `description` TEXT NOT NULL, `issuer` TEXT NOT NULL, PRIMARY KEY(`id`))")
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