Files
letro-ios/UnitTests/Sources/LocalizationTests.swift

85 lines
2.8 KiB
Swift

//
// Copyright 2025 Element Creations Ltd.
// Copyright 2022-2025 New Vector Ltd.
//
// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
// Please see LICENSE files in the repository root for full details.
//
@testable import ElementX
import Foundation
import Testing
final class LocalizationTests {
deinit {
Bundle.overrideLocalizations = nil
}
/// Test ElementL10n considers app language changes
@Test
func appLanguage() {
// set app language to English
Bundle.overrideLocalizations = ["en"]
#expect(L10n.testLanguageIdentifier == "en")
// set app language to Italian
Bundle.overrideLocalizations = ["it"]
#expect(L10n.testLanguageIdentifier == "it")
}
/// Test fallback language for a language not supported at all
@Test
func fallbackOnNotSupportedLanguage() {
// set app language to something Element don't support at all (chose non existing identifier)
Bundle.overrideLocalizations = ["xx"]
#expect(L10n.testLanguageIdentifier == "en")
}
/// Test fallback language for a language supported but poorly translated
@Test
func fallbackOnNotTranslatedKey() {
// set app language to something Element supports but use a key that is not translated (we have a key that should never be translated)
Bundle.overrideLocalizations = ["it"]
#expect(L10n.testLanguageIdentifier == "it")
#expect(L10n.testUntranslatedDefaultLanguageIdentifier == "en")
}
/// Test plurals that ElementL10n considers app language changes
@Test
func plurals() {
// set app language to English
Bundle.overrideLocalizations = ["en"]
#expect(L10n.commonMemberCount(1) == "1 Member")
#expect(L10n.commonMemberCount(2) == "2 Members")
// set app language to Italian
Bundle.overrideLocalizations = ["it"]
#expect(L10n.commonMemberCount(1) == "1 Membro")
#expect(L10n.commonMemberCount(2) == "2 Membri")
}
/// Test plurals fallback language for a language not supported at all
@Test
func pluralsFallbackOnNotSupportedLanguage() {
// set app language to something Element don't support at all ("invalid identifier")
Bundle.overrideLocalizations = ["xx"]
#expect(L10n.commonMemberCount(1) == "1 Member")
#expect(L10n.commonMemberCount(2) == "2 Members")
}
/// Test untranslated strings
@Test
func untranslated() {
#expect(UntranslatedL10n.untranslated == "Untranslated")
#expect(UntranslatedL10n.untranslatedPlural(1) == "One untranslated item")
#expect(UntranslatedL10n.untranslatedPlural(5) == "5 untranslated items")
}
}