passforios/passKitTests/Controllers/PersistenceControllerTest.swift

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//
// PersistenceControllerTest.swift
// passKitTests
//
// Created by Lysann Tranvouez on 9/3/26.
// Copyright © 2026 Bob Sun. All rights reserved.
//
import CoreData
import XCTest
@testable import passKit
final class PersistenceControllerTest: XCTestCase {
func testModelLoads() {
let controller = PersistenceController.forUnitTests()
let context = controller.viewContext()
let entityNames = context.persistentStoreCoordinator!.managedObjectModel.entities.map(\.name)
XCTAssertEqual(entityNames, ["PasswordEntity"])
}
func testInsertAndFetch() {
let controller = PersistenceController.forUnitTests()
let context = controller.viewContext()
XCTAssertEqual(PasswordEntity.fetchAll(in: context).count, 0)
PasswordEntity.insert(name: "test", path: "test.gpg", isDir: false, into: context)
try? context.save()
XCTAssertEqual(PasswordEntity.fetchAll(in: context).count, 1)
}
func testReinitializePersistentStoreClearsData() {
let controller = PersistenceController.forUnitTests()
let context = controller.viewContext()
PasswordEntity.insert(name: "test1", path: "test1.gpg", isDir: false, into: context)
PasswordEntity.insert(name: "test2", path: "test2.gpg", isDir: false, into: context)
try? context.save()
XCTAssertEqual(PasswordEntity.fetchAll(in: context).count, 2)
controller.reinitializePersistentStore()
// After reinitialize, old data should be gone
// (reinitializePersistentStore calls initPasswordEntityCoreData with the default repo URL,
// which won't exist in tests, so the result should be an empty store)
let remaining = PasswordEntity.fetchAll(in: context)
XCTAssertEqual(remaining.count, 0)
}
func testMultipleControllersAreIndependent() {
let controller1 = PersistenceController.forUnitTests()
let controller2 = PersistenceController.forUnitTests()
let context1 = controller1.viewContext()
let context2 = controller2.viewContext()
PasswordEntity.insert(name: "only-in-1", path: "only-in-1.gpg", isDir: false, into: context1)
try? context1.save()
XCTAssertEqual(PasswordEntity.fetchAll(in: context1).count, 1)
XCTAssertEqual(PasswordEntity.fetchAll(in: context2).count, 0)
}
func testSaveAndLoadFromFile() throws {
let tempDir = FileManager.default.temporaryDirectory.appendingPathComponent(UUID().uuidString)
try FileManager.default.createDirectory(at: tempDir, withIntermediateDirectories: true)
defer { try? FileManager.default.removeItem(at: tempDir) }
let storeURL = tempDir.appendingPathComponent("test.sqlite")
// Write
let controller1 = PersistenceController(storeURL: storeURL)
let context1 = controller1.viewContext()
PasswordEntity.insert(name: "saved", path: "saved.gpg", isDir: false, into: context1)
PasswordEntity.insert(name: "dir", path: "dir", isDir: true, into: context1)
controller1.save()
// Load in a fresh controller from the same file
let controller2 = PersistenceController(storeURL: storeURL)
let context2 = controller2.viewContext()
let allEntities = PasswordEntity.fetchAll(in: context2)
XCTAssertEqual(allEntities.count, 2)
XCTAssertNotNil(allEntities.first { $0.name == "saved" && !$0.isDir })
XCTAssertNotNil(allEntities.first { $0.name == "dir" && $0.isDir })
}
func testSaveError() throws {
// NOTE: save() calls fatalError on Core Data save failures, so error propagation
// cannot be tested without refactoring save() to throw...
}
}