Rocky
4749a9cbf2
Show verbatim/correction/completion slots, mmap a 40k-word list, and use UITextChecker plus supplementary lexicon for conservative autocorrect.
586 lines
22 KiB
Swift
586 lines
22 KiB
Swift
// EnglishTypingTests.swift
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// OSGKeyboard · Ext unit tests
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//
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// Lexicon / accent / suggestion ranking for the English typing path.
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import XCTest
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@testable import OSGKeyboardShared
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final class EnglishTypingTests: XCTestCase {
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func testLexiconLoadsAndCompletesPrefix() {
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let lexicon = EnglishLexicon()
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lexicon.prepare()
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XCTAssertTrue(lexicon.isLoaded)
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XCTAssertGreaterThan(lexicon.wordCount, 10_000)
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let hits = lexicon.completions(prefix: "hel", limit: 5)
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XCTAssertTrue(hits.contains("hello") || hits.contains("help") || hits.contains("held"))
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lexicon.unload()
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XCTAssertFalse(lexicon.isLoaded)
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XCTAssertEqual(lexicon.wordCount, 0)
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}
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@MainActor
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func testChineseTypingDoesNotLoadEnglishLexicon() {
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EnglishLexicon.shared.unload()
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let typing = TypingSessionController()
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_ = typing.setLanguage(.chinese)
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typing.enterTypingMode()
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XCTAssertFalse(EnglishLexicon.shared.isLoaded)
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_ = typing.setLanguage(.english)
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XCTAssertTrue(EnglishLexicon.shared.isLoaded)
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_ = typing.setLanguage(.chinese)
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XCTAssertFalse(EnglishLexicon.shared.isLoaded)
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typing.leaveTypingMode()
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}
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func testCorrectionFindsNearbyWord() {
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let engine = EnglishSuggestionEngine()
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engine.prepare()
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// "teh" leaks into web unigrams; the engine must still treat it as a typo.
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let decision = engine.correctionDecision(
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for: "teh",
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personalTerms: [],
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learnedBoosts: [:]
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)
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XCTAssertEqual(decision?.replacement, "the")
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XCTAssertNil(
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engine.correctionDecision(for: "the", personalTerms: [], learnedBoosts: [:])
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)
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}
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func testSuggestionEngineSkipsPersonalDictionaryTypos() {
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let engine = EnglishSuggestionEngine()
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engine.prepare()
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let decision = engine.correctionDecision(
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for: "teh",
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personalTerms: ["teh"],
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learnedBoosts: [:]
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)
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XCTAssertNil(decision)
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}
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func testSuggestionEngineCompletionsPreferPersonalTerms() {
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let engine = EnglishSuggestionEngine()
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engine.prepare()
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let composition = engine.compositionWhileTyping(
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EnglishSuggestionContext(
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currentWord: "osg",
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personalTerms: ["OSGKeyboard"],
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learnedBoosts: [:]
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)
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)
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XCTAssertEqual(composition.candidates.first?.role, .verbatim)
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XCTAssertEqual(composition.candidates.first?.text, "osg")
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XCTAssertTrue(composition.candidates.contains { $0.text == "OSGKeyboard" })
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}
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func testSuggestionEngineReturnsNoCandidatesWithoutCurrentWord() {
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let engine = EnglishSuggestionEngine()
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engine.prepare()
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let composition = engine.compositionWhileTyping(
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EnglishSuggestionContext(
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previousWord: "hello",
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personalTerms: ["OSGKeyboard"]
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)
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)
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XCTAssertEqual(composition, .empty)
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}
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func testAutocapitalizationAtFieldStartAndAfterSentence() {
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XCTAssertTrue(
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TypingAutocapitalization.shouldCapitalize(precedingText: nil, mode: .sentences)
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)
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XCTAssertTrue(
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TypingAutocapitalization.shouldCapitalize(precedingText: "", mode: .sentences)
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)
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XCTAssertTrue(
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TypingAutocapitalization.shouldCapitalize(precedingText: "Hello. ", mode: .sentences)
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)
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XCTAssertTrue(
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TypingAutocapitalization.shouldCapitalize(precedingText: "Hello!\n", mode: .sentences)
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)
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// System keyboard (.sentences): Return starts a new line → capitalize.
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// Notes-style document context after Return is typically "…\n".
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XCTAssertTrue(
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TypingAutocapitalization.shouldCapitalize(precedingText: "Hello\n", mode: .sentences),
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"Return/newline must arm Shift (Notes multi-line)"
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)
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XCTAssertTrue(
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TypingAutocapitalization.shouldCapitalize(precedingText: "Hello\n\n", mode: .sentences)
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)
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XCTAssertFalse(
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TypingAutocapitalization.shouldCapitalize(precedingText: "Hello ", mode: .sentences)
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)
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XCTAssertTrue(
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TypingAutocapitalization.shouldCapitalize(precedingText: "Hello ", mode: .words)
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)
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XCTAssertFalse(
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TypingAutocapitalization.shouldCapitalize(precedingText: nil, mode: .none)
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)
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}
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@MainActor
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func testEnglishShiftArmsAfterReturnLikeNotes() {
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// Simulates Notes: proxy preceding text gains a trailing newline after Return.
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var preceding = "Hello"
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let typing = TypingSessionController()
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typing.precedingTextProvider = { preceding }
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typing.autocapitalizationModeProvider = { .sentences }
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_ = typing.setLanguage(.english)
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XCTAssertFalse(typing.shiftActive, "mid-word should not arm Shift")
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_ = typing.handleReturn()
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preceding = "Hello\n" // host document after inserting newline
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typing.syncAutocapitalization(accountingForInsert: "\n")
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XCTAssertTrue(
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typing.shiftActive,
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"after Return, Shift must light for next line (system sentences behavior)"
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)
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XCTAssertEqual(typing.keyRows.first?.first, "Q")
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}
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@MainActor
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func testEnglishShiftArmsWhenProxyLagsAfterReturn() {
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// Notes often still reports pre-Return context right after insertText("\n").
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var preceding = "Hello"
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let typing = TypingSessionController()
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typing.precedingTextProvider = { preceding }
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typing.autocapitalizationModeProvider = { .sentences }
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_ = typing.setLanguage(.english)
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_ = typing.handleReturn()
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// Proxy intentionally stale — still "Hello" without "\n".
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typing.syncAutocapitalization(accountingForInsert: "\n")
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XCTAssertTrue(typing.shiftActive)
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XCTAssertEqual(typing.keyRows.first?.first, "Q")
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}
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@MainActor
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func testEnglishShiftArmsWhenProxyLagsAfterPeriod() {
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var preceding = "Hello"
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let typing = TypingSessionController()
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typing.precedingTextProvider = { preceding }
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typing.autocapitalizationModeProvider = { .sentences }
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_ = typing.setLanguage(.english)
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_ = typing.handleKey(".")
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typing.syncAutocapitalization(accountingForInsert: ".")
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XCTAssertTrue(typing.shiftActive)
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}
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@MainActor
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func testEnglishIdleShowsNoCandidatesUntilLetterTyped() {
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let typing = TypingSessionController()
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typing.suggestionsEnabled = true
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_ = typing.setLanguage(.english)
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typing.enterTypingMode()
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XCTAssertTrue(typing.composition.candidates.isEmpty)
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_ = typing.handleKey("h")
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XCTAssertFalse(typing.composition.candidates.isEmpty)
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XCTAssertEqual(typing.composition.preedit, "h")
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}
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func testEnglishTypingHotwordsFilterOutChineseTerms() {
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var dictionary = PersonalDictionary()
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_ = dictionary.upsertManual(term: "张三")
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_ = dictionary.upsertManual(term: "OSGKeyboard")
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_ = dictionary.upsertManual(term: "微信")
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guard let wechatID = dictionary.entry(matchingTerm: "微信")?.id else {
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return XCTFail("expected 微信 entry")
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}
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dictionary.updateAliases(for: wechatID, aliases: ["WeChat"])
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let hotwords = dictionary.englishTypingHotwords()
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XCTAssertTrue(hotwords.contains("OSGKeyboard"))
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XCTAssertTrue(hotwords.contains("WeChat"))
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XCTAssertFalse(hotwords.contains(where: { $0.contains("张") || $0.contains("微") }))
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XCTAssertFalse(PersonalDictionary.isEnglishTypingHotword("你好"))
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XCTAssertTrue(PersonalDictionary.isEnglishTypingHotword("GPT-4"))
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}
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@MainActor
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func testEnglishTypingEmitsCompletionsIntoComposition() {
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let typing = TypingSessionController()
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typing.suggestionsEnabled = true
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_ = typing.setLanguage(.english)
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typing.enterTypingMode()
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_ = typing.handleKey("h")
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_ = typing.handleKey("e")
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_ = typing.handleKey("l")
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XCTAssertFalse(typing.composition.candidates.isEmpty)
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XCTAssertEqual(typing.composition.preedit, "hel")
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}
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@MainActor
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func testOldWordBackspaceRehydratesSuggestionsFromDocumentContext() {
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var preceding = "board"
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let following = "\n"
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let typing = TypingSessionController()
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typing.suggestionsEnabled = true
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typing.precedingTextProvider = { preceding }
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typing.followingTextProvider = { following }
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_ = typing.setLanguage(.english)
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typing.enterTypingMode()
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typing.synchronizeEnglishDocumentContext(caretMoved: true)
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func apply(_ output: TypingOutput) {
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for _ in 0..<output.deleteCount {
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if !preceding.isEmpty { preceding.removeLast() }
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}
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preceding += output.text
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typing.syncAutocapitalization(
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accountingForInsert: output.text,
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deleteCount: output.deleteCount
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)
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}
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apply(typing.handleKey("⌫"))
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XCTAssertEqual(preceding, "boar")
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XCTAssertEqual(typing.composition.preedit, "boar")
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apply(typing.handleKey("⌫"))
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XCTAssertEqual(preceding, "boa")
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XCTAssertEqual(typing.composition.preedit, "boa")
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XCTAssertTrue(
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typing.composition.candidates.contains {
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$0.text.compare("board", options: .caseInsensitive) == .orderedSame
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}
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)
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apply(typing.handleKey("t"))
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XCTAssertEqual(preceding, "boat")
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XCTAssertEqual(typing.composition.preedit.lowercased(), "boat")
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}
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@MainActor
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func testCandidateReplacementRejectsStaleDocumentAnchor() {
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var preceding = ""
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let typing = TypingSessionController()
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typing.suggestionsEnabled = true
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typing.precedingTextProvider = { preceding }
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typing.followingTextProvider = { "" }
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_ = typing.setLanguage(.english)
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typing.enterTypingMode()
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for key in ["b", "o", "a"] {
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let output = typing.handleKey(key)
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preceding += output.text
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typing.syncAutocapitalization(accountingForInsert: output.text)
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}
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guard let boardIndex = typing.composition.candidates.firstIndex(where: {
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$0.text.compare("board", options: .caseInsensitive) == .orderedSame
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}) else {
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return XCTFail("expected board completion")
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}
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preceding = "board"
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let output = typing.selectCandidate(at: boardIndex)
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XCTAssertEqual(output, .none)
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XCTAssertEqual(typing.composition.preedit.lowercased(), "board")
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}
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@MainActor
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func testMidWordCaretSuppressesUnsafeBackwardOnlyReplacement() {
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let typing = TypingSessionController()
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typing.suggestionsEnabled = true
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typing.precedingTextProvider = { "boa" }
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typing.followingTextProvider = { "rd" }
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_ = typing.setLanguage(.english)
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typing.enterTypingMode()
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typing.synchronizeEnglishDocumentContext(caretMoved: true)
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XCTAssertTrue(typing.composition.candidates.isEmpty)
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XCTAssertTrue(typing.composition.preedit.isEmpty)
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}
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@MainActor
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func testStaleHostCallbackDoesNotDiscardLocalEnglishWord() {
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var preceding = ""
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let typing = TypingSessionController()
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typing.suggestionsEnabled = true
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typing.precedingTextProvider = { preceding }
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typing.followingTextProvider = { "" }
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_ = typing.setLanguage(.english)
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typing.enterTypingMode()
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let output = typing.handleKey("h")
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typing.syncAutocapitalization(accountingForInsert: output.text)
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typing.synchronizeEnglishDocumentContext(caretMoved: true)
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XCTAssertEqual(typing.composition.preedit.lowercased(), "h")
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preceding = "h"
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typing.synchronizeEnglishDocumentContext()
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XCTAssertEqual(typing.composition.preedit.lowercased(), "h")
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}
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@MainActor
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func testAutocorrectUndoRestoresOriginal() {
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let typing = makeIsolatedEnglishSession(suite: "english.undo.test")
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for ch in ["t", "e", "h"] {
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_ = typing.handleKey(ch)
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}
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let spaced = typing.handleSpace()
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XCTAssertEqual(spaced.deleteCount, 3)
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XCTAssertTrue(spaced.text.hasPrefix("the"))
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let undone = typing.handleKey("⌫")
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XCTAssertEqual(undone.text, "teh")
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XCTAssertEqual(undone.deleteCount, spaced.text.count)
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}
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@MainActor
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func testPeriodShortcutReplacesDoubleSpace() {
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let typing = TypingSessionController()
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_ = typing.setLanguage(.english)
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typing.enterTypingMode()
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for character in ["h", "e", "l", "l", "o"] {
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apply(typing, typing.handleKey(character))
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}
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let first = typing.handleSpace()
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XCTAssertTrue(first.text.hasSuffix(" "), "first Space should insert a space")
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apply(typing, first)
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let second = typing.handleSpace()
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XCTAssertEqual(second, .replace(deleteCount: 1, with: ". "))
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apply(typing, second)
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XCTAssertTrue(typing.shiftActive, "period+space must arm sentence Shift")
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}
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@MainActor
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func testPeriodShortcutDoesNotFireAfterAnotherLetter() {
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let typing = TypingSessionController()
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_ = typing.setLanguage(.english)
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typing.enterTypingMode()
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apply(typing, typing.handleKey("h"))
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apply(typing, typing.handleSpace())
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apply(typing, typing.handleKey("i"))
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let second = typing.handleSpace()
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XCTAssertEqual(second, .insert(" "))
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}
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@MainActor
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func testPeriodShortcutDoesNotFireAfterSentenceTerminator() {
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let typing = TypingSessionController()
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_ = typing.setLanguage(.english)
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typing.precedingTextProvider = { "Hello." }
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typing.enterTypingMode()
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typing.syncAutocapitalization()
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apply(typing, typing.handleSpace())
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let second = typing.handleSpace()
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XCTAssertEqual(second, .insert(" "))
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}
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@MainActor
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func testChineseSpaceDoesNotUsePeriodShortcut() {
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let typing = TypingSessionController()
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_ = typing.setLanguage(.chinese)
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let first = typing.handleSpace()
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let second = typing.handleSpace()
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XCTAssertEqual(first.text, " ")
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XCTAssertEqual(second.text, " ")
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XCTAssertEqual(second.deleteCount, 0)
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}
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func testPeriodShortcutPredicate() {
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XCTAssertTrue(PeriodShortcut.shouldReplacePreviousSpace(precedingText: "hello "))
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XCTAssertTrue(PeriodShortcut.shouldReplacePreviousSpace(precedingText: "你 "))
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XCTAssertTrue(PeriodShortcut.shouldReplacePreviousSpace(precedingText: "v2 "))
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XCTAssertFalse(PeriodShortcut.shouldReplacePreviousSpace(precedingText: "hello. "))
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XCTAssertFalse(PeriodShortcut.shouldReplacePreviousSpace(precedingText: "hello "))
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XCTAssertFalse(PeriodShortcut.shouldReplacePreviousSpace(precedingText: "hello"))
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XCTAssertFalse(PeriodShortcut.shouldReplacePreviousSpace(precedingText: " "))
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XCTAssertTrue(PeriodShortcut.shouldArm(afterSpaceFollowing: "hello"))
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XCTAssertFalse(PeriodShortcut.shouldArm(afterSpaceFollowing: "hello."))
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XCTAssertFalse(PeriodShortcut.shouldArm(afterSpaceFollowing: "hello "))
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}
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@MainActor
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func testEnglishQuickTypePutsVerbatimFirstAndMarksCorrection() {
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let typing = makeIsolatedEnglishSession(suite: "english.quicktype.bar.test")
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for character in ["t", "e", "h"] {
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_ = typing.handleKey(character)
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}
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XCTAssertEqual(typing.composition.candidates.first?.role, .verbatim)
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XCTAssertEqual(
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typing.composition.candidates.first?.text.lowercased(),
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"teh"
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)
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XCTAssertTrue(
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typing.composition.candidates.contains {
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$0.role == .correction && $0.text.lowercased() == "the"
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}
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)
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XCTAssertLessThanOrEqual(typing.composition.candidates.count, EnglishSuggestionEngine.slotCount)
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}
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@MainActor
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func testEnglishSpaceAppliesCorrectionSlotOnly() {
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let typing = makeIsolatedEnglishSession(suite: "english.quicktype.space.test")
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for character in ["t", "e", "h"] {
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_ = typing.handleKey(character)
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}
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let spaced = typing.handleSpace()
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XCTAssertEqual(spaced.deleteCount, 3)
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XCTAssertTrue(spaced.text.lowercased().hasPrefix("the"))
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XCTAssertTrue(typing.composition.candidates.isEmpty)
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}
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@MainActor
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func testEnglishSpaceKeepsVerbatimWhenNoCorrection() {
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let typing = makeIsolatedEnglishSession(suite: "english.quicktype.verbatim.test")
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for character in ["h", "e", "l"] {
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_ = typing.handleKey(character)
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}
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let spaced = typing.handleSpace()
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XCTAssertEqual(spaced, .insert(" "))
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XCTAssertTrue(typing.composition.candidates.isEmpty)
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}
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func testTitleCaseNamesAreNotAutocorrected() {
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let engine = EnglishSuggestionEngine()
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engine.prepare()
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XCTAssertNil(engine.correctionDecision(for: "Rocky", personalTerms: [], learnedBoosts: [:]))
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XCTAssertNil(engine.correctionDecision(for: "Wang", personalTerms: [], learnedBoosts: [:]))
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XCTAssertNil(engine.correctionDecision(for: "Chen", personalTerms: [], learnedBoosts: [:]))
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XCTAssertNil(engine.correctionDecision(for: "Li", personalTerms: [], learnedBoosts: [:]))
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}
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func testTitleCaseTranspositionStillCorrects() {
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let engine = EnglishSuggestionEngine()
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engine.prepare()
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XCTAssertEqual(
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engine.correctionDecision(for: "Teh", personalTerms: [], learnedBoosts: [:])?.replacement,
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"The"
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)
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}
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func testProximityCorrectsAdjacentKeyTypos() {
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let engine = EnglishSuggestionEngine()
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engine.prepare()
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XCTAssertEqual(
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engine.correctionDecision(for: "gppd", personalTerms: [], learnedBoosts: [:])?.replacement,
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"good"
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)
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}
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func testRealWordFormIsNotCorrectedToFrom() {
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let engine = EnglishSuggestionEngine()
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engine.prepare()
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XCTAssertNil(engine.correctionDecision(for: "form", personalTerms: [], learnedBoosts: [:]))
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}
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func testSupplementaryLexiconBlocksAutocorrect() {
|
|
let engine = EnglishSuggestionEngine()
|
|
engine.prepare()
|
|
XCTAssertNil(
|
|
engine.correctionDecision(
|
|
for: "teh",
|
|
personalTerms: [],
|
|
learnedBoosts: [:],
|
|
systemWords: ["teh"]
|
|
)
|
|
)
|
|
}
|
|
|
|
func testLearnedDefenseBlocksAutocorrect() {
|
|
let engine = EnglishSuggestionEngine()
|
|
engine.prepare()
|
|
XCTAssertNil(
|
|
engine.correctionDecision(
|
|
for: "teh",
|
|
personalTerms: [],
|
|
learnedBoosts: ["teh": 5]
|
|
)
|
|
)
|
|
}
|
|
|
|
@MainActor
|
|
func testAutocorrectDoesNotBoostReplacement() {
|
|
let suite = "english.learning.polarity.test"
|
|
let defaults = UserDefaults(suiteName: suite)!
|
|
defaults.removePersistentDomain(forName: suite)
|
|
let store = EnglishLearningStore(defaults: defaults)
|
|
let typing = TypingSessionController(learningStore: store)
|
|
typing.suggestionsEnabled = true
|
|
_ = typing.setLanguage(.english)
|
|
typing.enterTypingMode()
|
|
|
|
for character in ["t", "e", "h"] {
|
|
_ = typing.handleKey(character)
|
|
}
|
|
_ = typing.handleSpace()
|
|
XCTAssertEqual(store.boost(for: "the"), 0)
|
|
XCTAssertEqual(store.boost(for: "teh"), 0)
|
|
}
|
|
|
|
@MainActor
|
|
func testRejectingAutocorrectLearnsOriginal() {
|
|
let suite = "english.learning.defense.test"
|
|
let defaults = UserDefaults(suiteName: suite)!
|
|
defaults.removePersistentDomain(forName: suite)
|
|
let store = EnglishLearningStore(defaults: defaults)
|
|
let typing = TypingSessionController(learningStore: store)
|
|
typing.suggestionsEnabled = true
|
|
_ = typing.setLanguage(.english)
|
|
typing.enterTypingMode()
|
|
|
|
for character in ["t", "e", "h"] {
|
|
_ = typing.handleKey(character)
|
|
}
|
|
let spaced = typing.handleSpace()
|
|
if spaced.deleteCount > 0 {
|
|
_ = typing.handleKey("⌫")
|
|
XCTAssertGreaterThanOrEqual(store.boost(for: "teh"), 5)
|
|
}
|
|
}
|
|
|
|
func testQWERTYNeighborsIncludeDiagonals() {
|
|
let aroundG = EnglishQWERTYProximity.neighbors(of: "g", includingSelf: true)
|
|
XCTAssertTrue(aroundG.contains("t"))
|
|
XCTAssertTrue(aroundG.contains("f"))
|
|
XCTAssertTrue(aroundG.contains("h"))
|
|
XCTAssertTrue(aroundG.contains("b"))
|
|
XCTAssertFalse(aroundG.contains("q"))
|
|
}
|
|
|
|
func testBigramsPredictNextWords() {
|
|
let lexicon = EnglishLexicon()
|
|
lexicon.prepare()
|
|
let next = lexicon.nextWords(after: "thank", limit: 4)
|
|
XCTAssertTrue(next.contains("you"))
|
|
}
|
|
|
|
@MainActor
|
|
private func makeIsolatedEnglishSession(suite: String) -> TypingSessionController {
|
|
let defaults = UserDefaults(suiteName: suite)!
|
|
defaults.removePersistentDomain(forName: suite)
|
|
let store = EnglishLearningStore(defaults: defaults)
|
|
let typing = TypingSessionController(learningStore: store)
|
|
typing.suggestionsEnabled = true
|
|
_ = typing.setLanguage(.english)
|
|
typing.enterTypingMode()
|
|
return typing
|
|
}
|
|
|
|
@MainActor
|
|
private func apply(_ typing: TypingSessionController, _ output: TypingOutput) {
|
|
typing.syncAutocapitalization(
|
|
accountingForInsert: output.text,
|
|
deleteCount: output.deleteCount
|
|
)
|
|
}
|
|
}
|