358 lines
9.5 KiB
Go
358 lines
9.5 KiB
Go
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package migrate
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import (
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"database/sql"
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"os"
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_ "github.com/mattn/go-sqlite3"
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. "gopkg.in/check.v1"
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"gopkg.in/gorp.v1"
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)
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var filename = "/tmp/sql-migrate-sqlite.db"
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var sqliteMigrations = []*Migration{
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&Migration{
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Id: "123",
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Up: []string{"CREATE TABLE people (id int)"},
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Down: []string{"DROP TABLE people"},
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},
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&Migration{
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Id: "124",
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Up: []string{"ALTER TABLE people ADD COLUMN first_name text"},
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Down: []string{"SELECT 0"}, // Not really supported
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},
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}
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type SqliteMigrateSuite struct {
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Db *sql.DB
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DbMap *gorp.DbMap
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}
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var _ = Suite(&SqliteMigrateSuite{})
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func (s *SqliteMigrateSuite) SetUpTest(c *C) {
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db, err := sql.Open("sqlite3", filename)
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c.Assert(err, IsNil)
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s.Db = db
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s.DbMap = &gorp.DbMap{Db: db, Dialect: &gorp.SqliteDialect{}}
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}
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func (s *SqliteMigrateSuite) TearDownTest(c *C) {
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err := os.Remove(filename)
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c.Assert(err, IsNil)
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}
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func (s *SqliteMigrateSuite) TestRunMigration(c *C) {
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migrations := &MemoryMigrationSource{
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Migrations: sqliteMigrations[:1],
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}
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// Executes one migration
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n, err := Exec(s.Db, "sqlite3", migrations, Up)
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c.Assert(err, IsNil)
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c.Assert(n, Equals, 1)
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// Can use table now
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_, err = s.DbMap.Exec("SELECT * FROM people")
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c.Assert(err, IsNil)
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// Shouldn't apply migration again
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n, err = Exec(s.Db, "sqlite3", migrations, Up)
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c.Assert(err, IsNil)
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c.Assert(n, Equals, 0)
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}
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func (s *SqliteMigrateSuite) TestMigrateMultiple(c *C) {
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migrations := &MemoryMigrationSource{
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Migrations: sqliteMigrations[:2],
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}
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// Executes two migrations
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n, err := Exec(s.Db, "sqlite3", migrations, Up)
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c.Assert(err, IsNil)
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c.Assert(n, Equals, 2)
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// Can use column now
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_, err = s.DbMap.Exec("SELECT first_name FROM people")
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c.Assert(err, IsNil)
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}
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func (s *SqliteMigrateSuite) TestMigrateIncremental(c *C) {
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migrations := &MemoryMigrationSource{
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Migrations: sqliteMigrations[:1],
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}
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// Executes one migration
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n, err := Exec(s.Db, "sqlite3", migrations, Up)
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c.Assert(err, IsNil)
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c.Assert(n, Equals, 1)
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// Execute a new migration
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migrations = &MemoryMigrationSource{
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Migrations: sqliteMigrations[:2],
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}
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n, err = Exec(s.Db, "sqlite3", migrations, Up)
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c.Assert(err, IsNil)
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c.Assert(n, Equals, 1)
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// Can use column now
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_, err = s.DbMap.Exec("SELECT first_name FROM people")
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c.Assert(err, IsNil)
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}
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func (s *SqliteMigrateSuite) TestFileMigrate(c *C) {
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migrations := &FileMigrationSource{
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Dir: "test-migrations",
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}
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// Executes two migrations
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n, err := Exec(s.Db, "sqlite3", migrations, Up)
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c.Assert(err, IsNil)
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c.Assert(n, Equals, 2)
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// Has data
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id, err := s.DbMap.SelectInt("SELECT id FROM people")
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c.Assert(err, IsNil)
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c.Assert(id, Equals, int64(1))
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}
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func (s *SqliteMigrateSuite) TestAssetMigrate(c *C) {
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migrations := &AssetMigrationSource{
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Asset: Asset,
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AssetDir: AssetDir,
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Dir: "test-migrations",
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}
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// Executes two migrations
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n, err := Exec(s.Db, "sqlite3", migrations, Up)
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c.Assert(err, IsNil)
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c.Assert(n, Equals, 2)
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// Has data
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id, err := s.DbMap.SelectInt("SELECT id FROM people")
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c.Assert(err, IsNil)
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c.Assert(id, Equals, int64(1))
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}
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func (s *SqliteMigrateSuite) TestMigrateMax(c *C) {
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migrations := &FileMigrationSource{
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Dir: "test-migrations",
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}
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// Executes one migration
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n, err := ExecMax(s.Db, "sqlite3", migrations, Up, 1)
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c.Assert(err, IsNil)
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c.Assert(n, Equals, 1)
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id, err := s.DbMap.SelectInt("SELECT COUNT(*) FROM people")
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c.Assert(err, IsNil)
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c.Assert(id, Equals, int64(0))
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}
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func (s *SqliteMigrateSuite) TestMigrateDown(c *C) {
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migrations := &FileMigrationSource{
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Dir: "test-migrations",
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}
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n, err := Exec(s.Db, "sqlite3", migrations, Up)
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c.Assert(err, IsNil)
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c.Assert(n, Equals, 2)
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// Has data
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id, err := s.DbMap.SelectInt("SELECT id FROM people")
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c.Assert(err, IsNil)
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c.Assert(id, Equals, int64(1))
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// Undo the last one
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n, err = ExecMax(s.Db, "sqlite3", migrations, Down, 1)
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c.Assert(err, IsNil)
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c.Assert(n, Equals, 1)
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// No more data
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id, err = s.DbMap.SelectInt("SELECT COUNT(*) FROM people")
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c.Assert(err, IsNil)
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c.Assert(id, Equals, int64(0))
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// Remove the table.
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n, err = ExecMax(s.Db, "sqlite3", migrations, Down, 1)
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c.Assert(err, IsNil)
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c.Assert(n, Equals, 1)
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// Cannot query it anymore
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_, err = s.DbMap.SelectInt("SELECT COUNT(*) FROM people")
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c.Assert(err, Not(IsNil))
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// Nothing left to do.
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n, err = ExecMax(s.Db, "sqlite3", migrations, Down, 1)
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c.Assert(err, IsNil)
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c.Assert(n, Equals, 0)
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}
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func (s *SqliteMigrateSuite) TestMigrateDownFull(c *C) {
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migrations := &FileMigrationSource{
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Dir: "test-migrations",
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}
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n, err := Exec(s.Db, "sqlite3", migrations, Up)
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c.Assert(err, IsNil)
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c.Assert(n, Equals, 2)
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// Has data
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id, err := s.DbMap.SelectInt("SELECT id FROM people")
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c.Assert(err, IsNil)
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c.Assert(id, Equals, int64(1))
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// Undo the last one
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n, err = Exec(s.Db, "sqlite3", migrations, Down)
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c.Assert(err, IsNil)
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c.Assert(n, Equals, 2)
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// Cannot query it anymore
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_, err = s.DbMap.SelectInt("SELECT COUNT(*) FROM people")
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c.Assert(err, Not(IsNil))
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// Nothing left to do.
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n, err = Exec(s.Db, "sqlite3", migrations, Down)
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c.Assert(err, IsNil)
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c.Assert(n, Equals, 0)
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}
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func (s *SqliteMigrateSuite) TestMigrateTransaction(c *C) {
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migrations := &MemoryMigrationSource{
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Migrations: []*Migration{
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sqliteMigrations[0],
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sqliteMigrations[1],
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&Migration{
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Id: "125",
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Up: []string{"INSERT INTO people (id, first_name) VALUES (1, 'Test')", "SELECT fail"},
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Down: []string{}, // Not important here
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},
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},
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}
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// Should fail, transaction should roll back the INSERT.
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n, err := Exec(s.Db, "sqlite3", migrations, Up)
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c.Assert(err, Not(IsNil))
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c.Assert(n, Equals, 2)
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// INSERT should be rolled back
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count, err := s.DbMap.SelectInt("SELECT COUNT(*) FROM people")
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c.Assert(err, IsNil)
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c.Assert(count, Equals, int64(0))
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}
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func (s *SqliteMigrateSuite) TestPlanMigration(c *C) {
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migrations := &MemoryMigrationSource{
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Migrations: []*Migration{
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&Migration{
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Id: "1_create_table.sql",
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Up: []string{"CREATE TABLE people (id int)"},
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Down: []string{"DROP TABLE people"},
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},
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&Migration{
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Id: "2_alter_table.sql",
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Up: []string{"ALTER TABLE people ADD COLUMN first_name text"},
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Down: []string{"SELECT 0"}, // Not really supported
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},
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&Migration{
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Id: "10_add_last_name.sql",
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Up: []string{"ALTER TABLE people ADD COLUMN last_name text"},
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Down: []string{"ALTER TABLE people DROP COLUMN last_name"},
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},
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},
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}
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n, err := Exec(s.Db, "sqlite3", migrations, Up)
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c.Assert(err, IsNil)
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c.Assert(n, Equals, 3)
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migrations.Migrations = append(migrations.Migrations, &Migration{
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Id: "11_add_middle_name.sql",
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Up: []string{"ALTER TABLE people ADD COLUMN middle_name text"},
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Down: []string{"ALTER TABLE people DROP COLUMN middle_name"},
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})
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plannedMigrations, _, err := PlanMigration(s.Db, "sqlite3", migrations, Up, 0)
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c.Assert(err, IsNil)
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c.Assert(plannedMigrations, HasLen, 1)
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c.Assert(plannedMigrations[0].Migration, Equals, migrations.Migrations[3])
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plannedMigrations, _, err = PlanMigration(s.Db, "sqlite3", migrations, Down, 0)
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c.Assert(err, IsNil)
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c.Assert(plannedMigrations, HasLen, 3)
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c.Assert(plannedMigrations[0].Migration, Equals, migrations.Migrations[2])
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c.Assert(plannedMigrations[1].Migration, Equals, migrations.Migrations[1])
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c.Assert(plannedMigrations[2].Migration, Equals, migrations.Migrations[0])
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}
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func (s *SqliteMigrateSuite) TestPlanMigrationWithHoles(c *C) {
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up := "SELECT 0"
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down := "SELECT 1"
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migrations := &MemoryMigrationSource{
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Migrations: []*Migration{
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&Migration{
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Id: "1",
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Up: []string{up},
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Down: []string{down},
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},
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&Migration{
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Id: "3",
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Up: []string{up},
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Down: []string{down},
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},
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},
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}
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n, err := Exec(s.Db, "sqlite3", migrations, Up)
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c.Assert(err, IsNil)
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c.Assert(n, Equals, 2)
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migrations.Migrations = append(migrations.Migrations, &Migration{
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Id: "2",
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Up: []string{up},
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Down: []string{down},
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})
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migrations.Migrations = append(migrations.Migrations, &Migration{
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Id: "4",
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Up: []string{up},
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Down: []string{down},
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})
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migrations.Migrations = append(migrations.Migrations, &Migration{
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Id: "5",
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Up: []string{up},
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Down: []string{down},
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})
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// apply all the missing migrations
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plannedMigrations, _, err := PlanMigration(s.Db, "sqlite3", migrations, Up, 0)
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c.Assert(err, IsNil)
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c.Assert(plannedMigrations, HasLen, 3)
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c.Assert(plannedMigrations[0].Migration.Id, Equals, "2")
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c.Assert(plannedMigrations[0].Queries[0], Equals, up)
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c.Assert(plannedMigrations[1].Migration.Id, Equals, "4")
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c.Assert(plannedMigrations[1].Queries[0], Equals, up)
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c.Assert(plannedMigrations[2].Migration.Id, Equals, "5")
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c.Assert(plannedMigrations[2].Queries[0], Equals, up)
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// first catch up to current target state 123, then migrate down 1 step to 12
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plannedMigrations, _, err = PlanMigration(s.Db, "sqlite3", migrations, Down, 1)
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c.Assert(err, IsNil)
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c.Assert(plannedMigrations, HasLen, 2)
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c.Assert(plannedMigrations[0].Migration.Id, Equals, "2")
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c.Assert(plannedMigrations[0].Queries[0], Equals, up)
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c.Assert(plannedMigrations[1].Migration.Id, Equals, "3")
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c.Assert(plannedMigrations[1].Queries[0], Equals, down)
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// first catch up to current target state 123, then migrate down 2 steps to 1
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plannedMigrations, _, err = PlanMigration(s.Db, "sqlite3", migrations, Down, 2)
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c.Assert(err, IsNil)
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c.Assert(plannedMigrations, HasLen, 3)
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c.Assert(plannedMigrations[0].Migration.Id, Equals, "2")
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c.Assert(plannedMigrations[0].Queries[0], Equals, up)
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c.Assert(plannedMigrations[1].Migration.Id, Equals, "3")
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c.Assert(plannedMigrations[1].Queries[0], Equals, down)
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c.Assert(plannedMigrations[2].Migration.Id, Equals, "2")
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c.Assert(plannedMigrations[2].Queries[0], Equals, down)
|
||
|
|
}
|