0c6d5fd9ad
* Implement database migrations. * Add few notes * fix linter errors * add non working example * initial improvements + basic tests * update test * add more tests * more changes * small changes * revert unnecessary changes * revert unnecessary changes * don't log ignored steps * remove OnCreate action * rename method + validate steps * fix version comparing
110 lines
2.9 KiB
Go
110 lines
2.9 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package migrate_test
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import (
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"database/sql"
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"flag"
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"os"
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"strconv"
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"testing"
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"github.com/stretchr/testify/assert"
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"storj.io/storj/internal/migrate"
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_ "github.com/lib/pq"
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_ "github.com/mattn/go-sqlite3"
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)
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func TestCreate_Sqlite(t *testing.T) {
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db, err := sql.Open("sqlite3", ":memory:")
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if err != nil {
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t.Fatal(err)
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}
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defer func() { assert.NoError(t, db.Close()) }()
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// should create table
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err = migrate.Create("example", &sqliteDB{db, "CREATE TABLE example_table (id text)"})
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assert.NoError(t, err)
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// shouldn't create a new table
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err = migrate.Create("example", &sqliteDB{db, "CREATE TABLE example_table (id text)"})
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assert.NoError(t, err)
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// should fail, because schema changed
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err = migrate.Create("example", &sqliteDB{db, "CREATE TABLE example_table (id text, version int)"})
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assert.Error(t, err)
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// should fail, because of trying to CREATE TABLE with same name
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err = migrate.Create("conflict", &sqliteDB{db, "CREATE TABLE example_table (id text, version int)"})
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assert.Error(t, err)
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}
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// this connstring is expected to work under the storj-test docker-compose instance
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const defaultPostgresConn = "postgres://storj:storj-pass@test-postgres/teststorj?sslmode=disable"
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var testPostgres = flag.String("postgres-test-db", os.Getenv("STORJ_POSTGRES_TEST"), "PostgreSQL test database connection string")
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func TestCreate_Postgres(t *testing.T) {
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if *testPostgres == "" {
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t.Skipf("postgres flag missing, example:\n-postgres-test-db=%s", defaultPostgresConn)
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}
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db, err := sql.Open("postgres", *testPostgres)
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if err != nil {
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t.Fatal(err)
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}
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defer func() { assert.NoError(t, db.Close()) }()
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// should create table
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err = migrate.Create("example", &postgresDB{db, "CREATE TABLE example_table (id text)"})
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assert.NoError(t, err)
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// shouldn't create a new table
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err = migrate.Create("example", &postgresDB{db, "CREATE TABLE example_table (id text)"})
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assert.NoError(t, err)
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// should fail, because schema changed
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err = migrate.Create("example", &postgresDB{db, "CREATE TABLE example_table (id text, version integer)"})
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assert.Error(t, err)
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// should fail, because of trying to CREATE TABLE with same name
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err = migrate.Create("conflict", &postgresDB{db, "CREATE TABLE example_table (id text, version integer)"})
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assert.Error(t, err)
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}
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type sqliteDB struct {
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*sql.DB
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schema string
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}
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func (db *sqliteDB) Rebind(s string) string { return s }
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func (db *sqliteDB) Schema() string { return db.schema }
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type postgresDB struct {
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*sql.DB
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schema string
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}
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func (db *postgresDB) Rebind(sql string) string {
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out := make([]byte, 0, len(sql)+10)
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j := 1
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for i := 0; i < len(sql); i++ {
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ch := sql[i]
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if ch != '?' {
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out = append(out, ch)
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continue
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}
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out = append(out, '$')
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out = append(out, strconv.Itoa(j)...)
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j++
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}
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return string(out)
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}
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func (db *postgresDB) Schema() string { return db.schema }
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