Overhaul database package

golden/go/db/db.go

Index: golden/go/db/db.go
diff --git a/golden/go/db/db.go b/golden/go/db/db.go
index 99277cc245e92a5fde5d4d82a83aca8224495493..ca0b0454353b6bf9ec53e79d453ddfd2a61c1571 100644
--- a/golden/go/db/db.go
+++ b/golden/go/db/db.go
@@ -30,9 +30,9 @@ func MigrationSteps() []database.MigrationStep {
 
 // GetConfig returns a DatabaseConfig instance for running in production if a
 // metadata server is available. If 'local' is true it will always
-// set the MySQL connection string to "" and thus use a local SQLite database
-// when used with database.NewVersionedDB.
-func GetConfig(mySQLConnStr string, sqlitePath string, local bool) *database.DatabaseConfig {
+// set the MySQL connection string to "" and thus use a local MySQL test
+// database when used with database.NewVersionedDB.
+func GetConfig(mySQLConnStr string, local bool) *database.DatabaseConfig {
 	useMySQLConnStr := mySQLConnStr
 
 	// We are in the production environment, so we look up the password.
@@ -47,15 +47,18 @@ func GetConfig(mySQLConnStr string, sqlitePath string, local bool) *database.Dat
 	}
 
 	// If there is still a placeholder in the connection string, we
-	// set it to empty, so that the the local SQLite database kicks in.
+	// set it to empty, so that the the local MySQL test database kicks in.
 	if strings.Contains(useMySQLConnStr, "%s") {
 		useMySQLConnStr = ""
 	}
 
-	return &database.DatabaseConfig{
-		MySQLString:    useMySQLConnStr,
-		SQLiteFilePath: sqlitePath,
-		MigrationSteps: migrationSteps,
+	if useMySQLConnStr != "" {
+		return &database.DatabaseConfig{
+			MySQLString:    useMySQLConnStr,
+			MigrationSteps: migrationSteps,
+		}
+	} else {
+		return database.LocalTestDatabaseConfig(migrationSteps)
 	}
 }
 
@@ -97,17 +100,6 @@ var migrationSteps = []database.MigrationStep{
 		MySQLDown: []string{
 			`DROP TABLE expectations`,
 		},
-		SQLiteUp: []string{
-			`CREATE TABLE expectations (
-				id            INTEGER     NOT NULL PRIMARY KEY AUTOINCREMENT,
-				userid        TEXT        NOT NULL,
-				ts            BIGINT      NOT NULL,
-				expectations  MEDIUXMTEXT  NOT NULL
-			)`,
-		},
-		SQLiteDown: []string{
-			`DROP TABLE expectations`,
-		},
 	},
 
 	// Use this is a template for more migration steps.
@@ -115,7 +107,5 @@ var migrationSteps = []database.MigrationStep{
 	// {
 	// 	MySQLUp: ,
 	// 	MySQLDown: ,
-	// 	SQLiteUp: ,
-	// 	SQLiteDown: ,
 	// },
 }