103 lines
4.2 KiB
Swift
103 lines
4.2 KiB
Swift
import Testing
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import DataLiteCore
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@testable import DataRaft
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@Suite struct MigrationServiceTests {
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private typealias MigrationService = DataRaft.MigrationService<VersionStorage>
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private typealias MigrationError = DataRaft.MigrationError<MigrationService.Version>
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private var connection: Connection!
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private var migrationService: MigrationService!
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init() throws {
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let connection = try Connection(location: .inMemory, options: .readwrite)
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self.connection = connection
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self.migrationService = .init(connection: connection)
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}
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@Test func addMigration() throws {
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let migration1 = Migration<Int32>(version: 1, byResource: "migration_1", extension: "sql", in: .module)!
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let migration2 = Migration<Int32>(version: 2, byResource: "migration_2", extension: "sql", in: .module)!
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let migration3 = Migration<Int32>(version: 3, byResource: "migration_2", extension: "sql", in: .module)!
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#expect(try migrationService.add(migration1) == ())
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#expect(try migrationService.add(migration2) == ())
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do {
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try migrationService.add(migration3)
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Issue.record("Expected duplicateMigration error for version \(migration3.version)")
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} catch MigrationError.duplicateMigration(let migration) {
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#expect(migration == migration3)
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} catch {
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Issue.record("Unexpected error: \(error)")
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}
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}
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@Test func migrate() async throws {
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let migration1 = Migration<Int32>(version: 1, byResource: "migration_1", extension: "sql", in: .module)!
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let migration2 = Migration<Int32>(version: 2, byResource: "migration_2", extension: "sql", in: .module)!
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try migrationService.add(migration1)
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try migrationService.add(migration2)
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try await migrationService.migrate()
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#expect(connection.userVersion == 2)
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}
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@Test func migrateError() async throws {
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let migration1 = Migration<Int32>(version: 1, byResource: "migration_1", extension: "sql", in: .module)!
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let migration2 = Migration<Int32>(version: 2, byResource: "migration_2", extension: "sql", in: .module)!
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let migration3 = Migration<Int32>(version: 3, byResource: "migration_3", extension: "sql", in: .module)!
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try migrationService.add(migration1)
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try migrationService.add(migration2)
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try migrationService.add(migration3)
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do {
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try await migrationService.migrate()
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Issue.record("Expected migrationFailed error for version \(migration3.version)")
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} catch MigrationError.migrationFailed(let migration, _) {
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#expect(migration == migration3)
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} catch {
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Issue.record("Unexpected error: \(error)")
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}
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#expect(connection.userVersion == 0)
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}
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@Test func migrateEmpty() async throws {
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let migration1 = Migration<Int32>(version: 1, byResource: "migration_1", extension: "sql", in: .module)!
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let migration2 = Migration<Int32>(version: 2, byResource: "migration_2", extension: "sql", in: .module)!
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let migration4 = Migration<Int32>(version: 4, byResource: "empty", extension: "sql", in: .module)!
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try migrationService.add(migration1)
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try migrationService.add(migration2)
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try migrationService.add(migration4)
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do {
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try await migrationService.migrate()
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Issue.record("Expected migrationFailed error for version \(migration4.version)")
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} catch MigrationError.emptyMigrationScript(let migration) {
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#expect(migration == migration4)
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} catch {
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Issue.record("Unexpected error: \(error)")
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}
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#expect(connection.userVersion == 0)
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}
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}
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private extension MigrationServiceTests {
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struct VersionStorage: DataRaft.VersionStorage {
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typealias Version = Int32
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func getVersion(_ connection: ConnectionProtocol) throws -> Version {
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connection.userVersion
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}
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func setVersion(_ connection: ConnectionProtocol, _ version: Version) throws {
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connection.userVersion = version
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}
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}
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}
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