storj/private/dbutil/pgutil/openunique_test.go
Egon Elbre 1279eeae39 private/tagsql,storage: fixes to context cancellation
Replace all the remaining uses of sql.DB with tagsql.DB to
fix issues with context cancellation.

Introduce tagsql.Open which helps to get rid of all tagsql.Wrap-s.
Use tagsql in cockroachkv and postgreskv.

Change-Id: I8946d203341cb85a25976896fc7881e1f704e779
2020-01-20 15:44:39 +02:00

59 lines
1.9 KiB
Go

// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package pgutil_test
import (
"strings"
"testing"
"github.com/stretchr/testify/require"
"storj.io/common/testcontext"
"storj.io/storj/private/dbutil/pgutil/pgtest"
"storj.io/storj/private/dbutil/tempdb"
"storj.io/storj/private/tagsql"
)
func TestTempPostgresDB(t *testing.T) {
ctx := testcontext.New(t)
defer ctx.Cleanup()
if *pgtest.ConnStr == "" {
t.Skip("PostgreSQL flag missing")
}
prefix := "name#spaced/Test/DB"
testDB, err := tempdb.OpenUnique(ctx, *pgtest.ConnStr, prefix)
require.NoError(t, err)
// assert new test db exists and can be connected to again
otherConn, err := tagsql.Open(testDB.Driver, testDB.ConnStr)
require.NoError(t, err)
defer ctx.Check(otherConn.Close)
// verify the name matches expectation
var name *string
row := otherConn.QueryRowContext(ctx, `SELECT current_schema()`)
err = row.Scan(&name)
require.NoErrorf(t, err, "connStr=%q", testDB.ConnStr)
require.NotNilf(t, name, "PG has no current_schema, which means the one we asked for doesn't exist. connStr=%q", testDB.ConnStr)
require.Truef(t, strings.HasPrefix(*name, prefix), "Expected prefix of %q for current db name, but found %q", prefix, name)
// verify there is an entry in pg_namespace with such a name
var count int
row = otherConn.QueryRowContext(ctx, `SELECT COUNT(*) FROM pg_namespace WHERE nspname = current_schema`)
err = row.Scan(&count)
require.NoError(t, err)
require.Equalf(t, 1, count, "Expected 1 schema with matching name, but counted %d", count)
// close testDB but leave otherConn open
err = testDB.Close()
require.NoError(t, err)
// assert new test schema was deleted
row = otherConn.QueryRowContext(ctx, `SELECT COUNT(*) FROM pg_namespace WHERE nspname = current_schema`)
err = row.Scan(&count)
require.NoError(t, err)
require.Equalf(t, 0, count, "Expected 0 schemas with matching name, but counted %d (deletion failure?)", count)
}