Files
projectreshoot/tests/database.go

96 lines
2.0 KiB
Go

package tests
import (
"context"
"database/sql"
"fmt"
"os"
"path/filepath"
"projectreshoot/db"
"github.com/pkg/errors"
_ "github.com/mattn/go-sqlite3"
)
func findSQLFile(filename string) (string, error) {
dir, err := os.Getwd()
if err != nil {
return "", err
}
for {
if _, err := os.Stat(filepath.Join(dir, filename)); err == nil {
return filepath.Join(dir, filename), nil
}
parent := filepath.Dir(dir)
if parent == dir { // Reached root
return "", errors.New(fmt.Sprintf("Unable to locate %s", filename))
}
dir = parent
}
}
// SetupTestDB initializes a test SQLite database with mock data
// Make sure to call DeleteTestDB when finished to cleanup
func SetupTestDB(ctx context.Context) (*db.SafeConn, error) {
dbfile, err := sql.Open("sqlite3", "file:.projectreshoot-test-database.db")
if err != nil {
return nil, errors.Wrap(err, "sql.Open")
}
conn := db.MakeSafe(dbfile)
tx, err := conn.Begin(ctx)
if err != nil {
return nil, errors.Wrap(err, "conn.Begin")
}
// Setup the test database
schemaPath, err := findSQLFile("schema.sql")
if err != nil {
return nil, errors.Wrap(err, "findSchema")
}
sqlBytes, err := os.ReadFile(schemaPath)
if err != nil {
return nil, errors.Wrap(err, "os.ReadFile")
}
schemaSQL := string(sqlBytes)
_, err = tx.Exec(ctx, schemaSQL)
if err != nil {
tx.Rollback()
return nil, errors.Wrap(err, "tx.Exec")
}
// Load the test data
dataPath, err := findSQLFile("testdata.sql")
if err != nil {
return nil, errors.Wrap(err, "findSchema")
}
sqlBytes, err = os.ReadFile(dataPath)
if err != nil {
return nil, errors.Wrap(err, "os.ReadFile")
}
dataSQL := string(sqlBytes)
_, err = tx.Exec(ctx, dataSQL)
if err != nil {
tx.Rollback()
return nil, errors.Wrap(err, "tx.Exec")
}
tx.Commit()
return conn, nil
}
// Deletes the test database from disk
func DeleteTestDB() error {
fileName := ".projectreshoot-test-database.db"
// Attempt to remove the file
err := os.Remove(fileName)
if err != nil {
return errors.Wrap(err, "os.Remove")
}
return nil
}