wehub-resource-sync
55 lines
1.9 KiB
Swift
55 lines
1.9 KiB
Swift
import Foundation
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import XCTest
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@testable import TranslatorPlugin
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final class AutomaticLanguageSelectorTests: XCTestCase {
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func testEnglishSourceTargetsFirstPreferredChinese() {
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let selector = AutomaticLanguageSelector(
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detector: StubLanguageDetector(language: .english),
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preferredPair: TranslatorLanguagePair(first: .simplifiedChinese, second: .english)
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)
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let selection = selector.select(text: "Hello")
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XCTAssertEqual(selection.source, .english)
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XCTAssertEqual(selection.target, .simplifiedChinese)
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XCTAssertFalse(selection.sourceIsAutomatic)
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XCTAssertEqual(selection.sourceDisplayName, "英语")
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}
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func testFirstPreferredSourceTargetsSecondPreferredEnglish() {
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let selector = AutomaticLanguageSelector(
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detector: StubLanguageDetector(language: .simplifiedChinese),
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preferredPair: TranslatorLanguagePair(first: .simplifiedChinese, second: .english)
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)
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let selection = selector.select(text: "你好")
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XCTAssertEqual(selection.source, .simplifiedChinese)
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XCTAssertEqual(selection.target, .english)
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XCTAssertFalse(selection.sourceIsAutomatic)
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}
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func testUnknownSourceUsesAutomaticSourceAndFirstPreferredTarget() {
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let selector = AutomaticLanguageSelector(
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detector: StubLanguageDetector(language: nil),
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preferredPair: TranslatorLanguagePair(first: .simplifiedChinese, second: .english)
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)
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let selection = selector.select(text: "123")
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XCTAssertNil(selection.source)
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XCTAssertEqual(selection.target, .simplifiedChinese)
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XCTAssertTrue(selection.sourceIsAutomatic)
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XCTAssertEqual(selection.sourceDisplayName, "自动检测")
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}
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}
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private struct StubLanguageDetector: LanguageDetecting {
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let language: TranslatorLanguage?
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func detect(_ text: String) -> TranslatorLanguage? {
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language
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}
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}
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