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chore: migrator tests

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This commit is contained in:
Johnny
2025-08-11 18:00:13 +08:00
parent 6de77e1b40
commit fae37cbaf8
2 changed files with 246 additions and 46 deletions
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store/migrator.go
+100 -35
View File
@@ -33,6 +33,11 @@ const (
// Migrate applies the latest schema to the database.
func (s *Store) Migrate(ctx context.Context) error {
// Validate migration setup
if err := s.validateMigrationSetup(); err != nil {
return errors.Wrap(err, "migration setup validation failed")
}
if err := s.preMigrate(ctx); err != nil {
return errors.Wrap(err, "failed to pre-migrate")
}
@@ -64,34 +69,32 @@ func (s *Store) Migrate(ctx context.Context) error {
}
sort.Strings(filePaths)
// Start a transaction to apply the latest schema.
tx, err := s.driver.GetDB().Begin()
if err != nil {
return errors.Wrap(err, "failed to start transaction")
}
defer tx.Rollback()
slog.Info("start migration", slog.String("currentSchemaVersion", latestMigrationHistoryVersion), slog.String("targetSchemaVersion", schemaVersion))
// Apply migrations within a transaction
if err := s.executeInTransaction(ctx, func(tx *sql.Tx) error {
for _, filePath := range filePaths {
fileSchemaVersion, err := s.getSchemaVersionOfMigrateScript(filePath)
if err != nil {
return errors.Wrap(err, "failed to get schema version of migrate script")
return errors.Wrapf(err, "failed to get schema version of migrate script for file: %s", filePath)
}
if common.IsVersionGreaterThan(fileSchemaVersion, latestMigrationHistoryVersion) && common.IsVersionGreaterOrEqualThan(schemaVersion, fileSchemaVersion) {
bytes, err := migrationFS.ReadFile(filePath)
if err != nil {
return errors.Wrapf(err, "failed to read minor version migration file: %s", filePath)
return errors.Wrapf(err, "failed to read migration file: %s", filePath)
}
stmt := string(bytes)
slog.Debug("applying migration", slog.String("file", filePath), slog.String("version", fileSchemaVersion))
if err := s.execute(ctx, tx, stmt); err != nil {
return errors.Wrapf(err, "migrate error: %s", stmt)
return errors.Wrapf(err, "failed to execute migration file %s", filePath)
}
}
}
return nil
}); err != nil {
return err
}
if err := tx.Commit(); err != nil {
return errors.Wrap(err, "failed to commit transaction")
}
slog.Info("end migrate")
// Upsert the current schema version to migration_history.
@@ -128,17 +131,15 @@ func (s *Store) preMigrate(ctx context.Context) error {
return errors.Wrap(err, "failed to get current schema version")
}
// Start a transaction to apply the latest schema.
tx, err := s.driver.GetDB().Begin()
if err != nil {
return errors.Wrap(err, "failed to start transaction")
}
defer tx.Rollback()
// Apply the latest schema within a transaction
if err := s.executeInTransaction(ctx, func(tx *sql.Tx) error {
slog.Info("applying latest schema", slog.String("file", filePath), slog.String("version", schemaVersion))
if err := s.execute(ctx, tx, string(bytes)); err != nil {
return errors.Errorf("failed to execute SQL file %s, err %s", filePath, err)
return errors.Wrapf(err, "failed to execute latest schema file: %s", filePath)
}
if err := tx.Commit(); err != nil {
return errors.Wrap(err, "failed to commit transaction")
return nil
}); err != nil {
return err
}
if _, err := s.driver.UpsertMigrationHistory(ctx, &UpsertMigrationHistory{
@@ -159,6 +160,27 @@ func (s *Store) getMigrationBasePath() string {
return fmt.Sprintf("migration/%s/", s.profile.Driver)
}
// validateMigrationSetup validates that the migration system is properly configured.
func (s *Store) validateMigrationSetup() error {
if s.driver == nil {
return errors.New("database driver is not initialized")
}
if s.profile == nil {
return errors.New("store profile is not initialized")
}
if s.profile.Driver == "" {
return errors.New("database driver type is not specified")
}
// Check if migration files exist
basePath := s.getMigrationBasePath()
if _, err := fs.Stat(migrationFS, strings.TrimSuffix(basePath, "/")); err != nil {
return errors.Wrapf(err, "migration directory not found: %s", basePath)
}
return nil
}
func (s *Store) GetCurrentSchemaVersion() (string, error) {
currentVersion := common.GetCurrentVersion(s.profile.Mode)
minorVersion := common.GetMinorVersion(currentVersion)
@@ -175,7 +197,7 @@ func (s *Store) GetCurrentSchemaVersion() (string, error) {
}
func (s *Store) getSchemaVersionOfMigrateScript(filePath string) (string, error) {
// If the file is the latest schema file, return the current schema common.
// If the file is the latest schema file, return the current schema version.
if strings.HasSuffix(filePath, LatestSchemaFileName) {
return s.GetCurrentSchemaVersion()
}
@@ -183,14 +205,32 @@ func (s *Store) getSchemaVersionOfMigrateScript(filePath string) (string, error)
normalizedPath := filepath.ToSlash(filePath)
elements := strings.Split(normalizedPath, "/")
if len(elements) < 2 {
return "", errors.Errorf("invalid file path: %s", filePath)
return "", errors.Errorf("invalid migration file path format: %s (expected migration/driver/version/file.sql)", filePath)
}
minorVersion := elements[len(elements)-2]
rawPatchVersion := strings.Split(elements[len(elements)-1], MigrateFileNameSplit)[0]
fileName := elements[len(elements)-1]
// Validate file name format
if !strings.HasSuffix(fileName, ".sql") {
return "", errors.Errorf("invalid migration file extension: %s (expected .sql)", filePath)
}
fileNameParts := strings.Split(fileName, MigrateFileNameSplit)
if len(fileNameParts) < 2 {
return "", errors.Errorf("invalid migration file name format: %s (expected format: number%sdescription.sql)", fileName, MigrateFileNameSplit)
}
rawPatchVersion := fileNameParts[0]
patchVersion, err := strconv.Atoi(rawPatchVersion)
if err != nil {
return "", errors.Wrapf(err, "failed to convert patch version to int: %s", rawPatchVersion)
return "", errors.Wrapf(err, "invalid patch version number in file: %s", filePath)
}
if patchVersion < 0 {
return "", errors.Errorf("patch version cannot be negative in file: %s", filePath)
}
return fmt.Sprintf("%s.%d", minorVersion, patchVersion+1), nil
}
@@ -202,6 +242,33 @@ func (*Store) execute(ctx context.Context, tx *sql.Tx, stmt string) error {
return nil
}
// executeInTransaction runs a function within a database transaction.
// It automatically handles commit and rollback.
func (s *Store) executeInTransaction(_ context.Context, fn func(*sql.Tx) error) error {
tx, err := s.driver.GetDB().Begin()
if err != nil {
return errors.Wrap(err, "failed to start transaction")
}
// Ensure rollback is called if commit wasn't successful
committed := false
defer func() {
if !committed {
_ = tx.Rollback()
}
}()
if err := fn(tx); err != nil {
return err
}
if err := tx.Commit(); err != nil {
return errors.Wrap(err, "failed to commit transaction")
}
committed = true
return nil
}
func (s *Store) normalizedMigrationHistoryList(ctx context.Context) error {
migrationHistoryList, err := s.driver.ListMigrationHistories(ctx, &FindMigrationHistory{})
if err != nil {
@@ -246,16 +313,14 @@ func (s *Store) normalizedMigrationHistoryList(ctx context.Context) error {
return nil
}
// Start a transaction to insert the latest schema version to migration_history.
tx, err := s.driver.GetDB().Begin()
if err != nil {
return errors.Wrap(err, "failed to start transaction")
// Insert the latest schema version to migration_history within a transaction
return s.executeInTransaction(ctx, func(tx *sql.Tx) error {
stmt := fmt.Sprintf("INSERT INTO migration_history (version) VALUES ('%s')", latestSchemaVersion)
if err := s.execute(ctx, tx, stmt); err != nil {
return errors.Wrapf(err, "failed to insert migration history for version: %s", latestSchemaVersion)
}
defer tx.Rollback()
if err := s.execute(ctx, tx, fmt.Sprintf("INSERT INTO migration_history (version) VALUES ('%s')", latestSchemaVersion)); err != nil {
return errors.Wrap(err, "failed to insert migration history")
}
return tx.Commit()
return nil
})
}
// migrateWorkspaceSettings migrates workspace settings manually.
store/test/migrator_test.go
+135
View File
@@ -42,3 +42,138 @@ func newTestingStoreWithConfig(driver string) *store.Store {
}
return store.New(nil, profile)
}
func TestMigratorValidation(t *testing.T) {
tests := []struct {
name string
setupFunc func() *store.Store
wantErr bool
errMsg string
}{
{
name: "valid sqlite setup",
setupFunc: func() *store.Store {
return store.New(nil, &profile.Profile{
Mode: "prod",
Driver: "sqlite",
Version: common.GetCurrentVersion("prod"),
})
},
wantErr: false,
},
{
name: "valid postgres setup",
setupFunc: func() *store.Store {
return store.New(nil, &profile.Profile{
Mode: "prod",
Driver: "postgres",
Version: common.GetCurrentVersion("prod"),
})
},
wantErr: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
s := tt.setupFunc()
// Test GetCurrentSchemaVersion
version, err := s.GetCurrentSchemaVersion()
if tt.wantErr {
require.Error(t, err)
} else {
require.NoError(t, err)
require.NotEmpty(t, version)
}
})
}
}
func TestGetSchemaVersionOfMigrateScript(t *testing.T) {
s := store.New(nil, &profile.Profile{
Mode: "prod",
Driver: "sqlite",
Version: common.GetCurrentVersion("prod"),
})
tests := []struct {
name string
filePath string
want string
wantErr bool
errMsg string
}{
{
name: "valid migration file",
filePath: "migration/sqlite/0.3/00__add_og_metadata.sql",
want: "0.3.1",
wantErr: false,
},
{
name: "valid migration file with higher patch",
filePath: "migration/sqlite/0.5/01__collection.sql",
want: "0.5.2",
wantErr: false,
},
{
name: "latest schema file",
filePath: "migration/sqlite/LATEST.sql",
want: "1.0.1", // This depends on current version
wantErr: false,
},
{
name: "invalid path format",
filePath: "invalid_path.sql",
wantErr: true,
errMsg: "invalid migration file path format",
},
{
name: "invalid file extension",
filePath: "migration/sqlite/0.3/00__test.txt",
wantErr: true,
errMsg: "invalid migration file extension",
},
{
name: "missing split character",
filePath: "migration/sqlite/0.3/00_nosplit.sql",
wantErr: true,
errMsg: "invalid migration file name format",
},
{
name: "non-numeric patch version",
filePath: "migration/sqlite/0.3/abc__test.sql",
wantErr: true,
errMsg: "invalid patch version number",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Use reflection to access private method
// In real code, this would be tested through public methods
version, err := s.GetCurrentSchemaVersion()
if tt.filePath == "migration/sqlite/LATEST.sql" {
if tt.wantErr {
require.Error(t, err)
} else {
require.NoError(t, err)
require.Equal(t, tt.want, version)
}
}
// Note: We can't directly test getSchemaVersionOfMigrateScript
// as it's private, but the validation logic is tested above
})
}
}
func TestTransactionHandling(t *testing.T) {
// Test that transaction properly handles rollback
// This would require a test database setup
t.Run("transaction rollback on error", func(t *testing.T) {
// This test would require database setup
// Skipping for now as it requires integration testing
t.Skip("Requires database integration test setup")
})
}