harness-drone/store/shared/db/dbtest/dbtest.go

// Copyright 2019 Drone IO, Inc.
//
// 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 dbtest

import (
	"os"
	"strconv"

	"github.com/drone/drone/store/shared/db"

	// blank imports are used to load database drivers
	// for unit tests. Only unit tests should be importing
	// this package.
	_ "github.com/go-sql-driver/mysql"
	_ "github.com/lib/pq"
	_ "github.com/mattn/go-sqlite3"
)

// Connect opens a new test database connection.
func Connect() (*db.DB, error) {
	var (
		driver         = "sqlite3"
		config         = ":memory:?_foreign_keys=1"
		maxConnections = 0
	)
	if os.Getenv("DRONE_DATABASE_DRIVER") != "" {
		driver = os.Getenv("DRONE_DATABASE_DRIVER")
		config = os.Getenv("DRONE_DATABASE_DATASOURCE")
		maxConnectionsString := os.Getenv("DRONE_DATABASE_MAX_CONNECTIONS")
		maxConnections, _ = strconv.Atoi(maxConnectionsString)
	}
	return db.Connect(driver, config, maxConnections)
}

// Reset resets the database state.
func Reset(d *db.DB) {
	d.Lock(func(tx db.Execer, _ db.Binder) error {
		tx.Exec("DELETE FROM cron")
		tx.Exec("DELETE FROM logs")
		tx.Exec("DELETE FROM steps")
		tx.Exec("DELETE FROM stages")
		tx.Exec("DELETE FROM latest")
		tx.Exec("DELETE FROM builds")
		tx.Exec("DELETE FROM perms")
		tx.Exec("DELETE FROM repos")
		tx.Exec("DELETE FROM users")
		tx.Exec("DELETE FROM orgsecrets")
		return nil
	})
}

// Disconnect closes the database connection.
func Disconnect(d *db.DB) error {
	return d.Close()
}