storj/private/migrate/create_test.go

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2019-01-24 20:15:10 +00:00
// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package migrate_test
import (
"database/sql"
"strconv"
"testing"
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_ "github.com/lib/pq"
_ "github.com/mattn/go-sqlite3"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"storj.io/storj/private/dbutil/pgutil"
"storj.io/storj/private/dbutil/pgutil/pgtest"
"storj.io/storj/private/migrate"
)
func TestCreate_Sqlite(t *testing.T) {
db, err := sql.Open("sqlite3", ":memory:")
if err != nil {
t.Fatal(err)
}
defer func() { assert.NoError(t, db.Close()) }()
// should create table
err = migrate.Create("example", &sqliteDB{db, "CREATE TABLE example_table (id text)"})
assert.NoError(t, err)
// shouldn't create a new table
err = migrate.Create("example", &sqliteDB{db, "CREATE TABLE example_table (id text)"})
assert.NoError(t, err)
// should fail, because schema changed
err = migrate.Create("example", &sqliteDB{db, "CREATE TABLE example_table (id text, version int)"})
assert.Error(t, err)
// should fail, because of trying to CREATE TABLE with same name
err = migrate.Create("conflict", &sqliteDB{db, "CREATE TABLE example_table (id text, version int)"})
assert.Error(t, err)
}
func TestCreate_Postgres(t *testing.T) {
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if *pgtest.ConnStr == "" {
t.Skipf("postgres flag missing, example:\n-postgres-test-db=%s", pgtest.DefaultConnStr)
}
schema := "create-" + pgutil.CreateRandomTestingSchemaName(8)
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db, err := sql.Open("postgres", pgutil.ConnstrWithSchema(*pgtest.ConnStr, schema))
if err != nil {
t.Fatal(err)
}
defer func() { assert.NoError(t, db.Close()) }()
require.NoError(t, pgutil.CreateSchema(db, schema))
defer func() { assert.NoError(t, pgutil.DropSchema(db, schema)) }()
// should create table
err = migrate.Create("example", &postgresDB{db, "CREATE TABLE example_table (id text)"})
assert.NoError(t, err)
// shouldn't create a new table
err = migrate.Create("example", &postgresDB{db, "CREATE TABLE example_table (id text)"})
assert.NoError(t, err)
// should fail, because schema changed
err = migrate.Create("example", &postgresDB{db, "CREATE TABLE example_table (id text, version integer)"})
assert.Error(t, err)
// should fail, because of trying to CREATE TABLE with same name
err = migrate.Create("conflict", &postgresDB{db, "CREATE TABLE example_table (id text, version integer)"})
assert.Error(t, err)
}
type sqliteDB struct {
*sql.DB
schema string
}
func (db *sqliteDB) Rebind(s string) string { return s }
func (db *sqliteDB) Schema() string { return db.schema }
type postgresDB struct {
*sql.DB
schema string
}
func (db *postgresDB) Rebind(sql string) string {
out := make([]byte, 0, len(sql)+10)
j := 1
for i := 0; i < len(sql); i++ {
ch := sql[i]
if ch != '?' {
out = append(out, ch)
continue
}
out = append(out, '$')
out = append(out, strconv.Itoa(j)...)
j++
}
return string(out)
}
func (db *postgresDB) Schema() string { return db.schema }