TM-SGNL-iOS/SignalServiceKit/tests/Storage/Database/DatabaseCorruptionStateTest.swift
TeleMessage developers dde0620daf initial commit
2025-05-03 12:28:28 -07:00

77 lines
3.1 KiB
Swift

//
// Copyright 2022 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
//
import XCTest
@testable import SignalServiceKit
class DatabaseCorruptionStateTest: XCTestCase {
func testCorruptionChanges() throws {
let defaults = TestUtils.userDefaults()
func fetch() -> DatabaseCorruptionState {
DatabaseCorruptionState(userDefaults: defaults)
}
func expected(
_ status: DatabaseCorruptionState.DatabaseCorruptionStatus,
count: UInt
) -> DatabaseCorruptionState {
DatabaseCorruptionState(status: status, count: count)
}
// Initial state
XCTAssertEqual(fetch(), expected(.notCorrupted, count: 0))
// After flagging as read corrupted
DatabaseCorruptionState.flagDatabaseAsReadCorrupted(userDefaults: defaults)
XCTAssertEqual(fetch(), expected(.readCorrupted, count: 0))
// After flagging as corrupted
DatabaseCorruptionState.flagDatabaseAsCorrupted(userDefaults: defaults)
XCTAssertEqual(fetch(), expected(.corrupted, count: 1))
// After partial recovery
DatabaseCorruptionState.flagCorruptedDatabaseAsDumpedAndRestored(userDefaults: defaults)
XCTAssertEqual(fetch(), expected(.corruptedButAlreadyDumpedAndRestored, count: 1))
// After full recovery
DatabaseCorruptionState.flagDatabaseAsRecoveredFromCorruption(userDefaults: defaults)
XCTAssertEqual(fetch(), expected(.notCorrupted, count: 1))
// After another corruption
DatabaseCorruptionState.flagDatabaseAsCorrupted(userDefaults: defaults)
XCTAssertEqual(fetch(), expected(.corrupted, count: 2))
// Read corruption shouldn't change state after a corruption
DatabaseCorruptionState.flagDatabaseAsReadCorrupted(userDefaults: defaults)
XCTAssertEqual(fetch(), expected(.corrupted, count: 2))
}
func testLegacyFalseValueWithoutCount() throws {
let defaults = TestUtils.userDefaults()
defaults.set(false, forKey: DatabaseCorruptionState.databaseCorruptionStatusKey)
let expected = DatabaseCorruptionState(status: .notCorrupted, count: 0)
let actual = DatabaseCorruptionState(userDefaults: defaults)
XCTAssertEqual(actual, expected)
}
func testLegacyTrueValueWithoutCount() throws {
let defaults = TestUtils.userDefaults()
defaults.set(true, forKey: DatabaseCorruptionState.databaseCorruptionStatusKey)
let expected = DatabaseCorruptionState(status: .corrupted, count: 1)
let actual = DatabaseCorruptionState(userDefaults: defaults)
XCTAssertEqual(actual, expected)
}
func testInvalidData() throws {
let defaults = TestUtils.userDefaults()
defaults.set("garbage", forKey: DatabaseCorruptionState.databaseCorruptionStatusKey)
defaults.set("garbage", forKey: DatabaseCorruptionState.databaseCorruptionCountKey)
let expected = DatabaseCorruptionState(status: .notCorrupted, count: 0)
let actual = DatabaseCorruptionState(userDefaults: defaults)
XCTAssertEqual(actual, expected)
}
}