68 lines
2.3 KiB
Swift
68 lines
2.3 KiB
Swift
import Foundation
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import Testing
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@testable import Termind
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@Suite
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struct ChatMessageTimestampTests {
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@Test
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func todayUsesOnlyTheLocalizedShortTime() throws {
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let timeZone = try #require(TimeZone(identifier: "Asia/Shanghai"))
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let locale = Locale(identifier: "zh_CN")
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var calendar = Calendar(identifier: .gregorian)
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calendar.timeZone = timeZone
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let message = try #require(calendar.date(from: DateComponents(
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year: 2026, month: 8, day: 26, hour: 9, minute: 5
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)))
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let now = try #require(calendar.date(from: DateComponents(
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year: 2026, month: 8, day: 26, hour: 17
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)))
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#expect(ChatMessageTimestampFormatter.string(
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for: message, now: now, calendar: calendar,
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locale: locale, timeZone: timeZone
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) == expected(
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message, dateStyle: .none, locale: locale,
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calendar: calendar, timeZone: timeZone
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))
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}
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@Test
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func anOlderDayIncludesLocalizedDateAndTime() throws {
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let timeZone = try #require(TimeZone(identifier: "America/Los_Angeles"))
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let locale = Locale(identifier: "en_US")
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var calendar = Calendar(identifier: .gregorian)
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calendar.timeZone = timeZone
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let message = try #require(calendar.date(from: DateComponents(
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year: 2026, month: 8, day: 25, hour: 23, minute: 15
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)))
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let now = try #require(calendar.date(from: DateComponents(
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year: 2026, month: 8, day: 26, hour: 8
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)))
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#expect(ChatMessageTimestampFormatter.string(
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for: message, now: now, calendar: calendar,
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locale: locale, timeZone: timeZone
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) == expected(
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message, dateStyle: .short, locale: locale,
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calendar: calendar, timeZone: timeZone
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))
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}
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private func expected(
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_ date: Date,
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dateStyle: DateFormatter.Style,
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locale: Locale,
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calendar: Calendar,
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timeZone: TimeZone
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) -> String {
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let formatter = DateFormatter()
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formatter.locale = locale
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formatter.calendar = calendar
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formatter.timeZone = timeZone
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formatter.dateStyle = dateStyle
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formatter.timeStyle = .short
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return formatter.string(from: date)
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}
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}
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