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package testdb
import (
"os"
"strings"
_ "github.com/go-sql-driver/mysql" // register mysql driver
"github.com/jmoiron/sqlx"
_ "github.com/lib/pq" // register postgresql driver
_ "github.com/mattn/go-sqlite3" // register sqlite3 driver
)
const (
mysqlTruncateTables = `
TRUNCATE certificates;
TRUNCATE ocsp_responses;
`
pgTruncateTables = `
CREATE OR REPLACE FUNCTION truncate_tables() RETURNS void AS $$
DECLARE
statements CURSOR FOR
SELECT tablename FROM pg_tables
WHERE tablename != 'goose_db_version'
AND tableowner = session_user
AND schemaname = 'public';
BEGIN
FOR stmt IN statements LOOP
EXECUTE 'TRUNCATE TABLE ' || quote_ident(stmt.tablename) || ' CASCADE;';
END LOOP;
END;
$$ LANGUAGE plpgsql;
SELECT truncate_tables();
`
sqliteTruncateTables = `
DELETE FROM certificates;
DELETE FROM ocsp_responses;
`
)
// MySQLDB returns a MySQL db instance for certdb testing.
func MySQLDB() *sqlx.DB {
connStr := "root@tcp(localhost:3306)/certdb_development?parseTime=true"
if dbURL := os.Getenv("DATABASE_URL"); dbURL != "" {
connStr = dbURL
}
db, err := sqlx.Open("mysql", connStr)
if err != nil {
panic(err)
}
Truncate(db)
return db
}
// PostgreSQLDB returns a PostgreSQL db instance for certdb testing.
func PostgreSQLDB() *sqlx.DB {
connStr := "dbname=certdb_development sslmode=disable"
if dbURL := os.Getenv("DATABASE_URL"); dbURL != "" {
connStr = dbURL
}
db, err := sqlx.Open("postgres", connStr)
if err != nil {
panic(err)
}
Truncate(db)
return db
}
// SQLiteDB returns a SQLite db instance for certdb testing.
func SQLiteDB(dbpath string) *sqlx.DB {
db, err := sqlx.Open("sqlite3", dbpath)
if err != nil {
panic(err)
}
Truncate(db)
return db
}
// Truncate truncates the DB
func Truncate(db *sqlx.DB) {
var sql []string
switch db.DriverName() {
case "mysql":
sql = strings.Split(mysqlTruncateTables, "\n")
case "postgres":
sql = []string{pgTruncateTables}
case "sqlite3":
sql = []string{sqliteTruncateTables}
default:
panic("Unknown driver")
}
for _, expr := range sql {
if len(strings.TrimSpace(expr)) == 0 {
continue
}
if _, err := db.Exec(expr); err != nil {
panic(err)
}
}
}
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