| 1 | // Run: tsx src/__tests__/line-number-code.test.tsx |
| 2 | |
| 3 | import { JSDOM } from "jsdom"; |
| 4 | import React, { act } from "react"; |
| 5 | import { CodeViewer } from "../components/CodeViewer"; |
| 6 | import LineNumberCode, { |
| 7 | findCodeMatches, |
| 8 | highlightLineMatches, |
| 9 | MAX_SEARCH_MATCHES, |
| 10 | splitHighlightedCodeLines, |
| 11 | } from "../components/editors/LineNumberCode"; |
| 12 | import { |
| 13 | findRegexCodeMatches, |
| 14 | MAX_REGEX_PATTERN_LENGTH, |
| 15 | MAX_REGEX_SOURCE_LENGTH, |
| 16 | type RegexSearchRequest, |
| 17 | type RegexSearchResponse, |
| 18 | } from "../components/editors/codeSearch"; |
| 19 | import { |
| 20 | startRegexSearch, |
| 21 | type RegexSearchWorker, |
| 22 | } from "../components/editors/regexSearchClient"; |
| 23 | import { |
| 24 | highlightToHtml, |
| 25 | MAX_HIGHLIGHT_BYTES, |
| 26 | MAX_HIGHLIGHT_LINES, |
| 27 | shouldHighlightCode, |
| 28 | shouldHighlightSource, |
| 29 | } from "../lib/highlight"; |
| 30 | import { LocaleProvider } from "../lib/i18n"; |
| 31 | |
| 32 | let passed = 0; |
| 33 | let failed = 0; |
| 34 | |
| 35 | function ok(value: unknown, label: string) { |
| 36 | if (value) { |
| 37 | process.stdout.write(` PASS ${label}\n`); |
| 38 | passed += 1; |
| 39 | } else { |
| 40 | process.stdout.write(` FAIL ${label}\n`); |
| 41 | failed += 1; |
| 42 | } |
| 43 | } |
| 44 | |
| 45 | function flush(): Promise<void> { |
| 46 | return new Promise((resolve) => setTimeout(resolve, 0)); |
| 47 | } |
| 48 | |
| 49 | function wait(ms: number): Promise<void> { |
| 50 | return new Promise((resolve) => setTimeout(resolve, ms)); |
| 51 | } |
| 52 | |
| 53 | async function waitForSelector(container: ParentNode, selector: string, timeoutMs = 1_000): Promise<Element> { |
| 54 | const deadline = Date.now() + timeoutMs; |
| 55 | while (Date.now() < deadline) { |
| 56 | const element = container.querySelector(selector); |
| 57 | if (element) return element; |
| 58 | await act(async () => wait(10)); |
| 59 | } |
| 60 | throw new Error(`Timed out waiting for ${selector}`); |
| 61 | } |
| 62 | |
| 63 | console.log("\nline-number code viewer"); |
| 64 | |
| 65 | const repeatedMatches = findCodeMatches("x\nx\nx", "x").matches; |
| 66 | ok(repeatedMatches.length === 3, "finds matches on consecutive lines"); |
| 67 | ok( |
| 68 | repeatedMatches.map((match) => match.lineIndex).join(",") === "0,1,2", |
| 69 | "does not carry regex state between lines", |
| 70 | ); |
| 71 | ok(findCodeMatches("x x", "x").matches.length === 2, "counts occurrences rather than matching lines"); |
| 72 | ok( |
| 73 | findCodeMatches("猫 猫咪 猫", "猫", false, true).matches.length === 2, |
| 74 | "whole-word matching respects Unicode word characters", |
| 75 | ); |
| 76 | ok( |
| 77 | findCodeMatches("a+b aab a+b", "a+b").matches.length === 2, |
| 78 | "treats regex metacharacters as literal search text", |
| 79 | ); |
| 80 | |
| 81 | const regexRequest = (overrides: Partial<RegexSearchRequest> = {}): RegexSearchRequest => ({ |
| 82 | requestId: 1, |
| 83 | source: "foo1 foo22\nbar3", |
| 84 | pattern: String.raw`foo\d+`, |
| 85 | caseSensitive: false, |
| 86 | wholeWord: false, |
| 87 | maxMatches: MAX_SEARCH_MATCHES, |
| 88 | ...overrides, |
| 89 | }); |
| 90 | const regexMatches = findRegexCodeMatches(regexRequest()); |
| 91 | ok(regexMatches.ok && regexMatches.result.matches.length === 2, "regex mode evaluates explicit patterns"); |
| 92 | ok( |
| 93 | regexMatches.ok && regexMatches.result.matches.map((match) => match.start).join(",") === "0,5", |
| 94 | "regex mode returns JavaScript-compatible UTF-16 offsets", |
| 95 | ); |
| 96 | const lineAnchoredRegex = findRegexCodeMatches(regexRequest({ |
| 97 | source: "foo\nfoo", |
| 98 | pattern: "^foo", |
| 99 | })); |
| 100 | ok( |
| 101 | lineAnchoredRegex.ok |
| 102 | && lineAnchoredRegex.result.matches.length === 2 |
| 103 | && lineAnchoredRegex.result.matches.map((match) => match.lineIndex).join(",") === "0,1", |
| 104 | "regex anchors continue to address individual source lines", |
| 105 | ); |
| 106 | const multilineRegex = findRegexCodeMatches(regexRequest({ |
| 107 | source: "foo\nbar", |
| 108 | pattern: String.raw`foo\nbar`, |
| 109 | })); |
| 110 | ok(!multilineRegex.ok && multilineRegex.error === "multiline_unsupported", "reports unsupported multiline regex matches"); |
| 111 | const regexLiteralDifference = findRegexCodeMatches(regexRequest({ |
| 112 | source: "a+b aab aaab", |
| 113 | pattern: "a+b", |
| 114 | })); |
| 115 | ok( |
| 116 | regexLiteralDifference.ok && regexLiteralDifference.result.matches.length === 2, |
| 117 | "regex mode keeps metacharacter semantics separate from literal search", |
| 118 | ); |
| 119 | const invalidRegex = findRegexCodeMatches(regexRequest({ pattern: "(" })); |
| 120 | ok(!invalidRegex.ok && invalidRegex.error === "invalid_pattern", "reports invalid regular expressions"); |
| 121 | const zeroLengthRegex = findRegexCodeMatches(regexRequest({ pattern: "^" })); |
| 122 | ok( |
| 123 | !zeroLengthRegex.ok && zeroLengthRegex.error === "zero_length_unsupported", |
| 124 | "rejects zero-length regex matches that cannot be highlighted safely", |
| 125 | ); |
| 126 | const mixedLengthRegex = findRegexCodeMatches(regexRequest({ |
| 127 | source: "abc", |
| 128 | pattern: ".*", |
| 129 | })); |
| 130 | ok( |
| 131 | mixedLengthRegex.ok |
| 132 | && mixedLengthRegex.result.matches.length === 1 |
| 133 | && mixedLengthRegex.result.matches[0].start === 0 |
| 134 | && mixedLengthRegex.result.matches[0].end === 3, |
| 135 | "keeps non-empty regex results when the expression also produces an empty match", |
| 136 | ); |
| 137 | const longRegex = findRegexCodeMatches(regexRequest({ pattern: "x".repeat(MAX_REGEX_PATTERN_LENGTH + 1) })); |
| 138 | ok(!longRegex.ok && longRegex.error === "pattern_too_long", "caps regular-expression length"); |
| 139 | const oversizedRegexSource = findRegexCodeMatches(regexRequest({ |
| 140 | source: "x".repeat(MAX_REGEX_SOURCE_LENGTH + 1), |
| 141 | })); |
| 142 | ok( |
| 143 | !oversizedRegexSource.ok && oversizedRegexSource.error === "source_too_large", |
| 144 | "caps source copied into the regex worker", |
| 145 | ); |
| 146 | const cappedRegex = findRegexCodeMatches(regexRequest({ |
| 147 | source: "x x x", |
| 148 | pattern: "x", |
| 149 | maxMatches: 2, |
| 150 | })); |
| 151 | ok( |
| 152 | cappedRegex.ok && cappedRegex.result.matches.length === 2 && cappedRegex.result.truncated, |
| 153 | "caps regex result sets before returning them to the UI", |
| 154 | ); |
| 155 | |
| 156 | class FakeRegexWorker implements RegexSearchWorker { |
| 157 | onmessage: ((event: MessageEvent<RegexSearchResponse>) => void) | null = null; |
| 158 | onerror: ((event: ErrorEvent) => void) | null = null; |
| 159 | posted: RegexSearchRequest[] = []; |
| 160 | terminated = false; |
| 161 | |
| 162 | postMessage(request: RegexSearchRequest) { |
| 163 | this.posted.push(request); |
| 164 | } |
| 165 | |
| 166 | terminate() { |
| 167 | this.terminated = true; |
| 168 | } |
| 169 | |
| 170 | respond(response: RegexSearchResponse) { |
| 171 | this.onmessage?.({ data: response } as MessageEvent<RegexSearchResponse>); |
| 172 | } |
| 173 | } |
| 174 | |
| 175 | const timedOutWorker = new FakeRegexWorker(); |
| 176 | let timeoutCallback: (() => void) | null = null; |
| 177 | let timeoutResponse: RegexSearchResponse | null = null; |
| 178 | startRegexSearch( |
| 179 | regexRequest({ requestId: 2 }), |
| 180 | { onResponse: (response) => { timeoutResponse = response; } }, |
| 181 | { |
| 182 | createWorker: async () => timedOutWorker, |
| 183 | setTimer: (callback) => { |
| 184 | timeoutCallback = callback; |
| 185 | return 1; |
| 186 | }, |
| 187 | clearTimer: () => {}, |
| 188 | }, |
| 189 | ); |
| 190 | await Promise.resolve(); |
| 191 | timeoutCallback?.(); |
| 192 | ok(timedOutWorker.terminated, "hard timeout terminates a stuck regex worker"); |
| 193 | ok( |
| 194 | timeoutResponse != null && !timeoutResponse.ok && timeoutResponse.error === "timeout", |
| 195 | "hard timeout reports a bounded search failure", |
| 196 | ); |
| 197 | |
| 198 | let creationTimeoutCallback: (() => void) | null = null; |
| 199 | let creationTimeoutResponse: RegexSearchResponse | null = null; |
| 200 | startRegexSearch( |
| 201 | regexRequest({ requestId: 5 }), |
| 202 | { onResponse: (response) => { creationTimeoutResponse = response; } }, |
| 203 | { |
| 204 | createWorker: () => new Promise<RegexSearchWorker>(() => {}), |
| 205 | setTimer: (callback) => { |
| 206 | creationTimeoutCallback = callback; |
| 207 | return 5; |
| 208 | }, |
| 209 | clearTimer: () => {}, |
| 210 | }, |
| 211 | ); |
| 212 | creationTimeoutCallback?.(); |
| 213 | ok( |
| 214 | creationTimeoutResponse != null |
| 215 | && !creationTimeoutResponse.ok |
| 216 | && creationTimeoutResponse.error === "timeout", |
| 217 | "hard timeout covers a worker that never finishes initializing", |
| 218 | ); |
| 219 | |
| 220 | const staleWorker = new FakeRegexWorker(); |
| 221 | let staleResponseAccepted = false; |
| 222 | const cancelStaleSearch = startRegexSearch( |
| 223 | regexRequest({ requestId: 3 }), |
| 224 | { onResponse: () => { staleResponseAccepted = true; } }, |
| 225 | { |
| 226 | createWorker: async () => staleWorker, |
| 227 | setTimer: () => 2, |
| 228 | clearTimer: () => {}, |
| 229 | }, |
| 230 | ); |
| 231 | await Promise.resolve(); |
| 232 | cancelStaleSearch(); |
| 233 | staleWorker.respond({ |
| 234 | requestId: 3, |
| 235 | ok: true, |
| 236 | result: { matches: [], truncated: false }, |
| 237 | }); |
| 238 | ok(staleWorker.terminated, "cancelling a stale request terminates its worker"); |
| 239 | ok(!staleResponseAccepted, "discarded requests cannot update search results"); |
| 240 | |
| 241 | const completedWorker = new FakeRegexWorker(); |
| 242 | let completedResponse: RegexSearchResponse | null = null; |
| 243 | let completedTimerCleared = false; |
| 244 | startRegexSearch( |
| 245 | regexRequest({ requestId: 4 }), |
| 246 | { onResponse: (response) => { completedResponse = response; } }, |
| 247 | { |
| 248 | createWorker: async () => completedWorker, |
| 249 | setTimer: () => 3, |
| 250 | clearTimer: () => { completedTimerCleared = true; }, |
| 251 | }, |
| 252 | ); |
| 253 | await Promise.resolve(); |
| 254 | completedWorker.respond({ |
| 255 | requestId: 4, |
| 256 | ok: true, |
| 257 | result: { matches: [], truncated: false }, |
| 258 | }); |
| 259 | ok(completedResponse?.requestId === 4, "accepts the current worker response"); |
| 260 | ok(completedWorker.terminated && completedTimerCleared, "successful searches release worker and timer resources"); |
| 261 | |
| 262 | const cappedMatches = findCodeMatches("x".repeat(MAX_SEARCH_MATCHES + 1), "x"); |
| 263 | ok(cappedMatches.matches.length === MAX_SEARCH_MATCHES, "caps pathological result sets"); |
| 264 | ok(cappedMatches.truncated, "reports capped result sets to the viewer"); |
| 265 | ok(shouldHighlightCode(MAX_HIGHLIGHT_BYTES, MAX_HIGHLIGHT_LINES), "keeps syntax highlighting within its budget"); |
| 266 | ok(!shouldHighlightCode(MAX_HIGHLIGHT_BYTES + 1, 1), "falls back to plain text above the byte budget"); |
| 267 | ok(!shouldHighlightCode(1, MAX_HIGHLIGHT_LINES + 1), "falls back to plain text above the line budget"); |
| 268 | ok(shouldHighlightSource("const value = 1;"), "keeps ordinary chat code within the shared budget"); |
| 269 | ok( |
| 270 | !shouldHighlightSource("é".repeat(Math.floor(MAX_HIGHLIGHT_BYTES / 2) + 1)), |
| 271 | "measures the shared byte budget as UTF-8 rather than UTF-16 code units", |
| 272 | ); |
| 273 | ok( |
| 274 | !shouldHighlightSource("const value = 1;\n".repeat(MAX_HIGHLIGHT_LINES)), |
| 275 | "applies the shared line budget without requiring a workspace preview", |
| 276 | ); |
| 277 | |
| 278 | const entitySource = "const x = \"<&\";"; |
| 279 | for (const query of ["<", "&"]) { |
| 280 | const matches = findCodeMatches(entitySource, query).matches; |
| 281 | const markedHtml = highlightLineMatches( |
| 282 | splitHighlightedCodeLines(highlightToHtml(entitySource, "typescript"))[0], |
| 283 | matches, |
| 284 | matches[0], |
| 285 | ); |
| 286 | const entityDom = new JSDOM(`<code>${markedHtml}</code>`); |
| 287 | const code = entityDom.window.document.querySelector("code"); |
| 288 | ok(code?.textContent === entitySource, `searching ${query} preserves rendered source text`); |
| 289 | ok(code?.querySelectorAll("mark").length === 1, `searching ${query} highlights the exact entity`); |
| 290 | } |
| 291 | |
| 292 | const multilineSource = "const value = `first\nsecond`;"; |
| 293 | const multilineHtml = splitHighlightedCodeLines(highlightToHtml(multilineSource, "typescript")); |
| 294 | ok(multilineHtml.length === 2, "splits highlighted multiline source into rows"); |
| 295 | ok(multilineHtml[1].includes("hljs-string"), "preserves lexer state on the second line"); |
| 296 | |
| 297 | const dom = new JSDOM("<!doctype html><html><body><div id=\"root\"></div></body></html>", { |
| 298 | pretendToBeVisual: true, |
| 299 | url: "http://localhost/", |
| 300 | }); |
| 301 | (dom.window.HTMLElement.prototype as unknown as { attachEvent: () => void }).attachEvent = () => {}; |
| 302 | (dom.window.HTMLElement.prototype as unknown as { detachEvent: () => void }).detachEvent = () => {}; |
| 303 | (globalThis as typeof globalThis & { IS_REACT_ACT_ENVIRONMENT: boolean }).IS_REACT_ACT_ENVIRONMENT = true; |
| 304 | globalThis.window = dom.window as unknown as Window & typeof globalThis; |
| 305 | globalThis.document = dom.window.document; |
| 306 | globalThis.Node = dom.window.Node; |
| 307 | globalThis.HTMLElement = dom.window.HTMLElement; |
| 308 | globalThis.HTMLInputElement = dom.window.HTMLInputElement; |
| 309 | globalThis.Event = dom.window.Event; |
| 310 | globalThis.KeyboardEvent = dom.window.KeyboardEvent; |
| 311 | Object.defineProperty(globalThis, "navigator", { configurable: true, value: dom.window.navigator }); |
| 312 | const { createRoot } = await import("react-dom/client"); |
| 313 | |
| 314 | const scrolledLines: number[] = []; |
| 315 | Object.defineProperty(dom.window.HTMLElement.prototype, "scrollIntoView", { |
| 316 | configurable: true, |
| 317 | value(this: HTMLElement) { |
| 318 | const lineIndex = this.dataset.lineIndex; |
| 319 | if (lineIndex != null) scrolledLines.push(Number(lineIndex)); |
| 320 | }, |
| 321 | }); |
| 322 | Object.defineProperty(dom.window.HTMLElement.prototype, "scrollTo", { |
| 323 | configurable: true, |
| 324 | value() {}, |
| 325 | }); |
| 326 | |
| 327 | const container = document.getElementById("root")!; |
| 328 | const root = createRoot(container); |
| 329 | const searchableValue = Array.from( |
| 330 | { length: 80 }, |
| 331 | (_, index) => index === 39 || index === 59 ? `needle ${index + 1}` : `line ${index + 1}`, |
| 332 | ).join("\n"); |
| 333 | await act(async () => { |
| 334 | root.render( |
| 335 | <LocaleProvider> |
| 336 | <LineNumberCode value={searchableValue} showLineNumbers /> |
| 337 | <LineNumberCode value="beta" showLineNumbers /> |
| 338 | </LocaleProvider>, |
| 339 | ); |
| 340 | }); |
| 341 | |
| 342 | ok(container.querySelectorAll(".code-block__copy").length === 2, "keeps copy controls on line-number viewers"); |
| 343 | const viewers = container.querySelectorAll<HTMLElement>(".code--lines"); |
| 344 | await act(async () => { |
| 345 | viewers[0].focus(); |
| 346 | viewers[0].dispatchEvent(new KeyboardEvent("keydown", { key: "f", ctrlKey: true, bubbles: true })); |
| 347 | await flush(); |
| 348 | }); |
| 349 | ok(container.querySelectorAll(".code-search").length === 1, "opens search only for the focused viewer"); |
| 350 | ok( |
| 351 | container.querySelectorAll(".code-block__wrap")[0].querySelector(".code-search") != null, |
| 352 | "keeps the search shortcut scoped to its owning viewer", |
| 353 | ); |
| 354 | ok( |
| 355 | container.querySelectorAll(".code-block__wrap")[1].querySelector(".code-search") == null, |
| 356 | "does not fan the shortcut out to sibling viewers", |
| 357 | ); |
| 358 | const firstViewer = container.querySelectorAll<HTMLElement>(".code-block__wrap")[0]; |
| 359 | ok( |
| 360 | firstViewer.querySelector(".code-block__copy") == null, |
| 361 | "removes the covered floating copy control while search is open", |
| 362 | ); |
| 363 | ok( |
| 364 | firstViewer.querySelector('.code-search .code-search__copy[aria-label="Copy"]') != null, |
| 365 | "keeps copy available as a visible search-toolbar action", |
| 366 | ); |
| 367 | |
| 368 | const pendingRequestContainer = document.createElement("div"); |
| 369 | document.body.appendChild(pendingRequestContainer); |
| 370 | const pendingRequestRoot = createRoot(pendingRequestContainer); |
| 371 | let pendingRequestConsumed = false; |
| 372 | await act(async () => { |
| 373 | pendingRequestRoot.render( |
| 374 | <LocaleProvider> |
| 375 | <LineNumberCode |
| 376 | value="pending search" |
| 377 | showLineNumbers |
| 378 | searchRequestPending |
| 379 | onSearchRequestConsumed={() => { |
| 380 | pendingRequestConsumed = true; |
| 381 | }} |
| 382 | /> |
| 383 | </LocaleProvider>, |
| 384 | ); |
| 385 | await flush(); |
| 386 | }); |
| 387 | ok( |
| 388 | pendingRequestContainer.querySelector(".code-search") != null, |
| 389 | "consumes a search request that arrived before the editor mounted", |
| 390 | ); |
| 391 | ok(pendingRequestConsumed, "acknowledges a consumed search request"); |
| 392 | await act(async () => pendingRequestRoot.unmount()); |
| 393 | |
| 394 | const searchInput = container.querySelector<HTMLInputElement>(".code-search__input")!; |
| 395 | await act(async () => { |
| 396 | const setter = Object.getOwnPropertyDescriptor(dom.window.HTMLInputElement.prototype, "value")?.set; |
| 397 | setter?.call(searchInput, "needle"); |
| 398 | searchInput.dispatchEvent(new dom.window.Event("input", { bubbles: true })); |
| 399 | searchInput.dispatchEvent(new dom.window.Event("change", { bubbles: true })); |
| 400 | await wait(130); |
| 401 | }); |
| 402 | await act(async () => flush()); |
| 403 | ok(container.querySelector(".code-search__count")?.textContent === "1 of 2", "activates the first match after a query settles"); |
| 404 | ok(scrolledLines.at(-1) === 39, "reveals the first match instead of leaving the viewport behind"); |
| 405 | ok(container.querySelector(".code-line-row--current .code-line-ln")?.textContent === "40", "marks the first matching line as current"); |
| 406 | |
| 407 | await act(async () => { |
| 408 | searchInput.dispatchEvent(new KeyboardEvent("keydown", { key: "Enter", bubbles: true })); |
| 409 | await flush(); |
| 410 | }); |
| 411 | ok(container.querySelector(".code-search__count")?.textContent === "2 of 2", "Enter advances from the visible first match"); |
| 412 | ok(scrolledLines.at(-1) === 59, "Enter reveals the next matching line"); |
| 413 | |
| 414 | await act(async () => { |
| 415 | searchInput.dispatchEvent(new KeyboardEvent("keydown", { key: "Enter", shiftKey: true, bubbles: true })); |
| 416 | await flush(); |
| 417 | }); |
| 418 | ok(container.querySelector(".code-search__count")?.textContent === "1 of 2", "Shift+Enter navigates to the previous match"); |
| 419 | |
| 420 | await act(async () => { |
| 421 | searchInput.dispatchEvent(new KeyboardEvent("keydown", { key: "f", ctrlKey: true, bubbles: true })); |
| 422 | await flush(); |
| 423 | }); |
| 424 | ok(document.activeElement === searchInput, "repeated find shortcuts stay scoped while the search input is focused"); |
| 425 | |
| 426 | await act(async () => { |
| 427 | const setter = Object.getOwnPropertyDescriptor(dom.window.HTMLInputElement.prototype, "value")?.set; |
| 428 | setter?.call(searchInput, "line"); |
| 429 | searchInput.dispatchEvent(new dom.window.Event("input", { bubbles: true })); |
| 430 | searchInput.dispatchEvent(new dom.window.Event("change", { bubbles: true })); |
| 431 | await flush(); |
| 432 | searchInput.dispatchEvent(new KeyboardEvent("keydown", { key: "Enter", bubbles: true })); |
| 433 | await flush(); |
| 434 | }); |
| 435 | await act(async () => flush()); |
| 436 | ok(container.querySelector(".code-search__count")?.textContent === "1 of 78", "immediate Enter commits a pending query at its first match"); |
| 437 | ok(scrolledLines.at(-1) === 0, "immediate Enter reveals the first result instead of skipping ahead"); |
| 438 | |
| 439 | const caseToggle = container.querySelector<HTMLButtonElement>('[aria-label="Match case"]')!; |
| 440 | ok(caseToggle.getAttribute("aria-pressed") === "false", "exposes the inactive match-case state"); |
| 441 | await act(async () => { |
| 442 | caseToggle.click(); |
| 443 | await flush(); |
| 444 | }); |
| 445 | ok(caseToggle.getAttribute("aria-pressed") === "true", "exposes the active match-case state"); |
| 446 | |
| 447 | await act(async () => { |
| 448 | const setter = Object.getOwnPropertyDescriptor(dom.window.HTMLInputElement.prototype, "value")?.set; |
| 449 | setter?.call(searchInput, ""); |
| 450 | searchInput.dispatchEvent(new dom.window.Event("input", { bubbles: true })); |
| 451 | searchInput.dispatchEvent(new dom.window.Event("change", { bubbles: true })); |
| 452 | await wait(130); |
| 453 | }); |
| 454 | const regexToggle = container.querySelector<HTMLButtonElement>('[aria-label="Use regular expression"]')!; |
| 455 | ok(regexToggle.getAttribute("aria-pressed") === "false", "keeps regex mode disabled by default"); |
| 456 | await act(async () => { |
| 457 | regexToggle.click(); |
| 458 | await flush(); |
| 459 | }); |
| 460 | ok(regexToggle.getAttribute("aria-pressed") === "true", "exposes regex mode as an explicit advanced toggle"); |
| 461 | await act(async () => { |
| 462 | const setter = Object.getOwnPropertyDescriptor(dom.window.HTMLInputElement.prototype, "value")?.set; |
| 463 | setter?.call(searchInput, "x".repeat(MAX_REGEX_PATTERN_LENGTH + 1)); |
| 464 | searchInput.dispatchEvent(new dom.window.Event("input", { bubbles: true })); |
| 465 | searchInput.dispatchEvent(new dom.window.Event("change", { bubbles: true })); |
| 466 | await wait(130); |
| 467 | }); |
| 468 | ok( |
| 469 | container.querySelector(".code-search__count--error")?.textContent === "Expression too long", |
| 470 | "shows a localized error before unsafe regex work starts", |
| 471 | ); |
| 472 | |
| 473 | await act(async () => { |
| 474 | container.querySelector<HTMLButtonElement>('[aria-label="Close search"]')?.click(); |
| 475 | await flush(); |
| 476 | }); |
| 477 | ok(firstViewer.querySelector(".code-search") == null, "closes the viewer-scoped search toolbar"); |
| 478 | ok(firstViewer.querySelector(".code-block__copy") != null, "restores the floating copy control after search closes"); |
| 479 | |
| 480 | await act(async () => root.unmount()); |
| 481 | |
| 482 | const largeContainer = document.createElement("div"); |
| 483 | document.body.appendChild(largeContainer); |
| 484 | const largeRoot = createRoot(largeContainer); |
| 485 | await act(async () => { |
| 486 | largeRoot.render( |
| 487 | <LocaleProvider> |
| 488 | <LineNumberCode |
| 489 | value={'const text = "<&";'} |
| 490 | language="typescript" |
| 491 | sourceSize={MAX_HIGHLIGHT_BYTES + 1} |
| 492 | showLineNumbers |
| 493 | /> |
| 494 | </LocaleProvider>, |
| 495 | ); |
| 496 | }); |
| 497 | ok(largeContainer.querySelector(".code--lines")?.getAttribute("data-highlight-mode") === "plain", "uses the plain-text path above the syntax budget"); |
| 498 | ok(largeContainer.querySelector(".code-line-text")?.textContent === 'const text = "<&";', "plain-text fallback preserves escaped source text"); |
| 499 | ok(largeContainer.querySelector(".hljs-keyword") == null, "plain-text fallback skips syntax token markup"); |
| 500 | await act(async () => largeRoot.unmount()); |
| 501 | |
| 502 | const defaultContainer = document.createElement("div"); |
| 503 | document.body.appendChild(defaultContainer); |
| 504 | const defaultRoot = createRoot(defaultContainer); |
| 505 | await act(async () => { |
| 506 | defaultRoot.render( |
| 507 | <LocaleProvider> |
| 508 | <CodeViewer value="const unchanged = true;" language="typescript" /> |
| 509 | </LocaleProvider>, |
| 510 | ); |
| 511 | }); |
| 512 | // React.lazy may resolve after more than one task under React 19. Wait for the |
| 513 | // real viewer instead of asserting against the transient Suspense fallback. |
| 514 | await waitForSelector(defaultContainer, "pre.code.hljs"); |
| 515 | ok(defaultContainer.querySelector("pre.code.hljs") != null, "keeps the established viewer as the default seam"); |
| 516 | ok(defaultContainer.querySelector(".code--lines") == null, "requires an explicit line-number opt-in"); |
| 517 | ok(defaultContainer.querySelector(".code-block__copy") != null, "keeps copy available on default code blocks"); |
| 518 | await act(async () => defaultRoot.unmount()); |
| 519 | |
| 520 | const largeChatContainer = document.createElement("div"); |
| 521 | document.body.appendChild(largeChatContainer); |
| 522 | const largeChatRoot = createRoot(largeChatContainer); |
| 523 | const largeChatValue = "const value = 1;\n".repeat(MAX_HIGHLIGHT_LINES); |
| 524 | await act(async () => { |
| 525 | largeChatRoot.render( |
| 526 | <LocaleProvider> |
| 527 | <CodeViewer value={largeChatValue} language="typescript" /> |
| 528 | </LocaleProvider>, |
| 529 | ); |
| 530 | }); |
| 531 | await waitForSelector(largeChatContainer, 'pre[data-highlight-mode="plain"]'); |
| 532 | ok( |
| 533 | largeChatContainer.querySelector('pre[data-highlight-mode="plain"]') != null, |
| 534 | "ordinary chat blocks reuse the shared syntax budget", |
| 535 | ); |
| 536 | ok( |
| 537 | largeChatContainer.querySelector(".hljs-keyword") == null, |
| 538 | "oversized chat blocks skip syntax token generation", |
| 539 | ); |
| 540 | ok( |
| 541 | largeChatContainer.querySelector("code")?.textContent === largeChatValue, |
| 542 | "oversized chat blocks preserve their plain-text content", |
| 543 | ); |
| 544 | await act(async () => largeChatRoot.unmount()); |
| 545 | |
| 546 | console.log(`\n${passed} passed, ${failed} failed`); |
| 547 | if (failed > 0) process.exit(1); |
| 548 |