package migration_01_to_11 import ( "testing" "github.com/go-errors/errors" "github.com/lightningnetwork/lnd/kvdb" ) // applyMigration is a helper test function that encapsulates the general steps // which are needed to properly check the result of applying migration function. func applyMigration(t *testing.T, beforeMigration, afterMigration func(d *DB), migrationFunc migration, shouldFail bool) { cdb, cleanUp, err := makeTestDB() defer cleanUp() if err != nil { t.Fatal(err) } // Create a test node that will be our source node. testNode, err := createTestVertex(cdb) if err != nil { t.Fatal(err) } graph := cdb.ChannelGraph() if err := graph.SetSourceNode(testNode); err != nil { t.Fatal(err) } // beforeMigration usually used for populating the database // with test data. beforeMigration(cdb) defer func() { if r := recover(); r != nil { err = errors.New(r) } if err == nil && shouldFail { t.Fatal("error wasn't received on migration stage") } else if err != nil && !shouldFail { t.Fatalf("error was received on migration stage: %v", err) } // afterMigration usually used for checking the database state and // throwing the error if something went wrong. afterMigration(cdb) }() // Apply migration. err = kvdb.Update(cdb, func(tx kvdb.RwTx) error { return migrationFunc(tx) }, func() {}) if err != nil { log.Error(err) } }