36 lines
2.0 KiB
Swift
36 lines
2.0 KiB
Swift
// Copyright (C) 2026 ysicing
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// SPDX-License-Identifier: AGPL-3.0-or-later
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import Foundation
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import Testing
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@testable import AIUsage
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struct LocalUsageScanCacheTests {
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@Test func revisionsInvalidateOnFileChangesAndCalendarBoundaries() throws {
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let root = FileManager.default.temporaryDirectory.appendingPathComponent(UUID().uuidString)
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try FileManager.default.createDirectory(at: root, withIntermediateDirectories: true)
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defer { try? FileManager.default.removeItem(at: root) }
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let file = root.appendingPathComponent("usage.jsonl")
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try Data("one".utf8).write(to: file)
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var calendar = Calendar(identifier: .gregorian)
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calendar.timeZone = TimeZone(secondsFromGMT: 0)!
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let now = Date(timeIntervalSince1970: 1_800_000_000)
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let initial = try LocalUsageScanCache.Revision(files: [file], now: now, calendar: calendar)
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#expect(initial == (try LocalUsageScanCache.Revision(files: [file], now: now, calendar: calendar)))
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#expect(initial != (try LocalUsageScanCache.Revision(files: [], now: now, calendar: calendar)))
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#expect(initial != (try LocalUsageScanCache.Revision(files: [file], now: now.addingTimeInterval(86400), calendar: calendar)))
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calendar.timeZone = TimeZone(secondsFromGMT: 3600)!
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#expect(initial != (try LocalUsageScanCache.Revision(files: [file], now: now, calendar: calendar)))
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calendar.timeZone = TimeZone(secondsFromGMT: 0)!
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// 等长原子替换也必须失效，不能只比较文件大小。
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try Data("two".utf8).write(to: file, options: .atomic)
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#expect(initial != (try LocalUsageScanCache.Revision(files: [file], now: now, calendar: calendar)))
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try Data("appended".utf8).write(to: file)
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#expect(initial != (try LocalUsageScanCache.Revision(files: [file], now: now, calendar: calendar)))
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try FileManager.default.removeItem(at: file)
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#expect(throws: (any Error).self) {
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try LocalUsageScanCache.Revision(files: [file], now: now, calendar: calendar)
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}
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}
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}
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