feat(vanilla): add testing infrastructure and tests (NK-wjnczv)

1 files changed, 521 insertions, 0 deletions

diff --git a/vanilla/node_modules/@vitest/mocker/dist/chunk-mocker.js b/vanilla/node_modules/@vitest/mocker/dist/chunk-mocker.js
new file mode 100644
index 0000000..d86b758
--- /dev/null
+++ b/vanilla/node_modules/@vitest/mocker/dist/chunk-mocker.js
@@ -0,0 +1,521 @@
+import { mockObject } from './index.js';
+import { M as MockerRegistry, R as RedirectedModule, A as AutomockedModule } from './chunk-registry.js';
+import { e as extname, j as join } from './chunk-pathe.M-eThtNZ.js';
+
+/**
+* Get original stacktrace without source map support the most performant way.
+* - Create only 1 stack frame.
+* - Rewrite prepareStackTrace to bypass "support-stack-trace" (usually takes ~250ms).
+*/
+function createSimpleStackTrace(options) {
+	const { message = "$$stack trace error", stackTraceLimit = 1 } = options || {};
+	const limit = Error.stackTraceLimit;
+	const prepareStackTrace = Error.prepareStackTrace;
+	Error.stackTraceLimit = stackTraceLimit;
+	Error.prepareStackTrace = (e) => e.stack;
+	const err = new Error(message);
+	const stackTrace = err.stack || "";
+	Error.prepareStackTrace = prepareStackTrace;
+	Error.stackTraceLimit = limit;
+	return stackTrace;
+}
+
+const _DRIVE_LETTER_START_RE = /^[A-Za-z]:\//;
+function normalizeWindowsPath(input = "") {
+	if (!input) {
+		return input;
+	}
+	return input.replace(/\\/g, "/").replace(_DRIVE_LETTER_START_RE, (r) => r.toUpperCase());
+}
+const _IS_ABSOLUTE_RE = /^[/\\](?![/\\])|^[/\\]{2}(?!\.)|^[A-Za-z]:[/\\]/;
+function cwd() {
+	if (typeof process !== "undefined" && typeof process.cwd === "function") {
+		return process.cwd().replace(/\\/g, "/");
+	}
+	return "/";
+}
+const resolve = function(...arguments_) {
+	arguments_ = arguments_.map((argument) => normalizeWindowsPath(argument));
+	let resolvedPath = "";
+	let resolvedAbsolute = false;
+	for (let index = arguments_.length - 1; index >= -1 && !resolvedAbsolute; index--) {
+		const path = index >= 0 ? arguments_[index] : cwd();
+		if (!path || path.length === 0) {
+			continue;
+		}
+		resolvedPath = `${path}/${resolvedPath}`;
+		resolvedAbsolute = isAbsolute(path);
+	}
+	resolvedPath = normalizeString(resolvedPath, !resolvedAbsolute);
+	if (resolvedAbsolute && !isAbsolute(resolvedPath)) {
+		return `/${resolvedPath}`;
+	}
+	return resolvedPath.length > 0 ? resolvedPath : ".";
+};
+function normalizeString(path, allowAboveRoot) {
+	let res = "";
+	let lastSegmentLength = 0;
+	let lastSlash = -1;
+	let dots = 0;
+	let char = null;
+	for (let index = 0; index <= path.length; ++index) {
+		if (index < path.length) {
+			char = path[index];
+		} else if (char === "/") {
+			break;
+		} else {
+			char = "/";
+		}
+		if (char === "/") {
+			if (lastSlash === index - 1 || dots === 1);
+			else if (dots === 2) {
+				if (res.length < 2 || lastSegmentLength !== 2 || res[res.length - 1] !== "." || res[res.length - 2] !== ".") {
+					if (res.length > 2) {
+						const lastSlashIndex = res.lastIndexOf("/");
+						if (lastSlashIndex === -1) {
+							res = "";
+							lastSegmentLength = 0;
+						} else {
+							res = res.slice(0, lastSlashIndex);
+							lastSegmentLength = res.length - 1 - res.lastIndexOf("/");
+						}
+						lastSlash = index;
+						dots = 0;
+						continue;
+					} else if (res.length > 0) {
+						res = "";
+						lastSegmentLength = 0;
+						lastSlash = index;
+						dots = 0;
+						continue;
+					}
+				}
+				if (allowAboveRoot) {
+					res += res.length > 0 ? "/.." : "..";
+					lastSegmentLength = 2;
+				}
+			} else {
+				if (res.length > 0) {
+					res += `/${path.slice(lastSlash + 1, index)}`;
+				} else {
+					res = path.slice(lastSlash + 1, index);
+				}
+				lastSegmentLength = index - lastSlash - 1;
+			}
+			lastSlash = index;
+			dots = 0;
+		} else if (char === "." && dots !== -1) {
+			++dots;
+		} else {
+			dots = -1;
+		}
+	}
+	return res;
+}
+const isAbsolute = function(p) {
+	return _IS_ABSOLUTE_RE.test(p);
+};
+
+var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+var intToChar = new Uint8Array(64);
+var charToInt = new Uint8Array(128);
+for (let i = 0; i < chars.length; i++) {
+	const c = chars.charCodeAt(i);
+	intToChar[i] = c;
+	charToInt[c] = i;
+}
+const CHROME_IE_STACK_REGEXP = /^\s*at .*(?:\S:\d+|\(native\))/m;
+const SAFARI_NATIVE_CODE_REGEXP = /^(?:eval@)?(?:\[native code\])?$/;
+function extractLocation(urlLike) {
+	// Fail-fast but return locations like "(native)"
+	if (!urlLike.includes(":")) {
+		return [urlLike];
+	}
+	const regExp = /(.+?)(?::(\d+))?(?::(\d+))?$/;
+	const parts = regExp.exec(urlLike.replace(/^\(|\)$/g, ""));
+	if (!parts) {
+		return [urlLike];
+	}
+	let url = parts[1];
+	if (url.startsWith("async ")) {
+		url = url.slice(6);
+	}
+	if (url.startsWith("http:") || url.startsWith("https:")) {
+		const urlObj = new URL(url);
+		urlObj.searchParams.delete("import");
+		urlObj.searchParams.delete("browserv");
+		url = urlObj.pathname + urlObj.hash + urlObj.search;
+	}
+	if (url.startsWith("/@fs/")) {
+		const isWindows = /^\/@fs\/[a-zA-Z]:\//.test(url);
+		url = url.slice(isWindows ? 5 : 4);
+	}
+	return [
+		url,
+		parts[2] || undefined,
+		parts[3] || undefined
+	];
+}
+function parseSingleFFOrSafariStack(raw) {
+	let line = raw.trim();
+	if (SAFARI_NATIVE_CODE_REGEXP.test(line)) {
+		return null;
+	}
+	if (line.includes(" > eval")) {
+		line = line.replace(/ line (\d+)(?: > eval line \d+)* > eval:\d+:\d+/g, ":$1");
+	}
+	// Early return for lines that don't look like Firefox/Safari stack traces
+	// Firefox/Safari stack traces must contain '@' and should have location info after it
+	if (!line.includes("@")) {
+		return null;
+	}
+	// Find the correct @ that separates function name from location
+	// For cases like '@https://@fs/path' or 'functionName@https://@fs/path'
+	// we need to find the first @ that precedes a valid location (containing :)
+	let atIndex = -1;
+	let locationPart = "";
+	let functionName;
+	// Try each @ from left to right to find the one that gives us a valid location
+	for (let i = 0; i < line.length; i++) {
+		if (line[i] === "@") {
+			const candidateLocation = line.slice(i + 1);
+			// Minimum length 3 for valid location: 1 for filename + 1 for colon + 1 for line number (e.g., "a:1")
+			if (candidateLocation.includes(":") && candidateLocation.length >= 3) {
+				atIndex = i;
+				locationPart = candidateLocation;
+				functionName = i > 0 ? line.slice(0, i) : undefined;
+				break;
+			}
+		}
+	}
+	// Validate we found a valid location with minimum length (filename:line format)
+	if (atIndex === -1 || !locationPart.includes(":") || locationPart.length < 3) {
+		return null;
+	}
+	const [url, lineNumber, columnNumber] = extractLocation(locationPart);
+	if (!url || !lineNumber || !columnNumber) {
+		return null;
+	}
+	return {
+		file: url,
+		method: functionName || "",
+		line: Number.parseInt(lineNumber),
+		column: Number.parseInt(columnNumber)
+	};
+}
+function parseSingleStack(raw) {
+	const line = raw.trim();
+	if (!CHROME_IE_STACK_REGEXP.test(line)) {
+		return parseSingleFFOrSafariStack(line);
+	}
+	return parseSingleV8Stack(line);
+}
+// Based on https://github.com/stacktracejs/error-stack-parser
+// Credit to stacktracejs
+function parseSingleV8Stack(raw) {
+	let line = raw.trim();
+	if (!CHROME_IE_STACK_REGEXP.test(line)) {
+		return null;
+	}
+	if (line.includes("(eval ")) {
+		line = line.replace(/eval code/g, "eval").replace(/(\(eval at [^()]*)|(,.*$)/g, "");
+	}
+	let sanitizedLine = line.replace(/^\s+/, "").replace(/\(eval code/g, "(").replace(/^.*?\s+/, "");
+	// capture and preserve the parenthesized location "(/foo/my bar.js:12:87)" in
+	// case it has spaces in it, as the string is split on \s+ later on
+	const location = sanitizedLine.match(/ (\(.+\)$)/);
+	// remove the parenthesized location from the line, if it was matched
+	sanitizedLine = location ? sanitizedLine.replace(location[0], "") : sanitizedLine;
+	// if a location was matched, pass it to extractLocation() otherwise pass all sanitizedLine
+	// because this line doesn't have function name
+	const [url, lineNumber, columnNumber] = extractLocation(location ? location[1] : sanitizedLine);
+	let method = location && sanitizedLine || "";
+	let file = url && ["eval", "<anonymous>"].includes(url) ? undefined : url;
+	if (!file || !lineNumber || !columnNumber) {
+		return null;
+	}
+	if (method.startsWith("async ")) {
+		method = method.slice(6);
+	}
+	if (file.startsWith("file://")) {
+		file = file.slice(7);
+	}
+	// normalize Windows path (\ -> /)
+	file = file.startsWith("node:") || file.startsWith("internal:") ? file : resolve(file);
+	if (method) {
+		method = method.replace(/__vite_ssr_import_\d+__\./g, "").replace(/(Object\.)?__vite_ssr_export_default__\s?/g, "");
+	}
+	return {
+		method,
+		file,
+		line: Number.parseInt(lineNumber),
+		column: Number.parseInt(columnNumber)
+	};
+}
+
+function createCompilerHints(options) {
+	const globalThisAccessor = (options === null || options === void 0 ? void 0 : options.globalThisKey) || "__vitest_mocker__";
+	function _mocker() {
+		// @ts-expect-error injected by the plugin
+		return typeof globalThis[globalThisAccessor] !== "undefined" ? globalThis[globalThisAccessor] : new Proxy({}, { get(_, name) {
+			throw new Error("Vitest mocker was not initialized in this environment. " + `vi.${String(name)}() is forbidden.`);
+		} });
+	}
+	return {
+		hoisted(factory) {
+			if (typeof factory !== "function") {
+				throw new TypeError(`vi.hoisted() expects a function, but received a ${typeof factory}`);
+			}
+			return factory();
+		},
+		mock(path, factory) {
+			if (typeof path !== "string") {
+				throw new TypeError(`vi.mock() expects a string path, but received a ${typeof path}`);
+			}
+			const importer = getImporter("mock");
+			_mocker().queueMock(path, importer, typeof factory === "function" ? () => factory(() => _mocker().importActual(path, importer)) : factory);
+		},
+		unmock(path) {
+			if (typeof path !== "string") {
+				throw new TypeError(`vi.unmock() expects a string path, but received a ${typeof path}`);
+			}
+			_mocker().queueUnmock(path, getImporter("unmock"));
+		},
+		doMock(path, factory) {
+			if (typeof path !== "string") {
+				throw new TypeError(`vi.doMock() expects a string path, but received a ${typeof path}`);
+			}
+			const importer = getImporter("doMock");
+			_mocker().queueMock(path, importer, typeof factory === "function" ? () => factory(() => _mocker().importActual(path, importer)) : factory);
+		},
+		doUnmock(path) {
+			if (typeof path !== "string") {
+				throw new TypeError(`vi.doUnmock() expects a string path, but received a ${typeof path}`);
+			}
+			_mocker().queueUnmock(path, getImporter("doUnmock"));
+		},
+		async importActual(path) {
+			return _mocker().importActual(path, getImporter("importActual"));
+		},
+		async importMock(path) {
+			return _mocker().importMock(path, getImporter("importMock"));
+		}
+	};
+}
+function getImporter(name) {
+	const stackTrace = /* @__PURE__ */ createSimpleStackTrace({ stackTraceLimit: 5 });
+	const stackArray = stackTrace.split("\n");
+	// if there is no message in a stack trace, use the item - 1
+	const importerStackIndex = stackArray.findIndex((stack) => {
+		return stack.includes(` at Object.${name}`) || stack.includes(`${name}@`);
+	});
+	const stack = /* @__PURE__ */ parseSingleStack(stackArray[importerStackIndex + 1]);
+	return (stack === null || stack === void 0 ? void 0 : stack.file) || "";
+}
+
+const hot = import.meta.hot || {
+	on: warn,
+	off: warn,
+	send: warn
+};
+function warn() {
+	console.warn("Vitest mocker cannot work if Vite didn't establish WS connection.");
+}
+function rpc(event, data) {
+	hot.send(event, data);
+	return new Promise((resolve, reject) => {
+		const timeout = setTimeout(() => {
+			reject(new Error(`Failed to resolve ${event} in time`));
+		}, 5e3);
+		hot.on(`${event}:result`, function r(data) {
+			resolve(data);
+			clearTimeout(timeout);
+			hot.off(`${event}:result`, r);
+		});
+	});
+}
+
+const { now } = Date;
+class ModuleMocker {
+	registry = new MockerRegistry();
+	queue = new Set();
+	mockedIds = new Set();
+	constructor(interceptor, rpc, createMockInstance, config) {
+		this.interceptor = interceptor;
+		this.rpc = rpc;
+		this.createMockInstance = createMockInstance;
+		this.config = config;
+	}
+	async prepare() {
+		if (!this.queue.size) {
+			return;
+		}
+		await Promise.all([...this.queue.values()]);
+	}
+	async resolveFactoryModule(id) {
+		const mock = this.registry.get(id);
+		if (!mock || mock.type !== "manual") {
+			throw new Error(`Mock ${id} wasn't registered. This is probably a Vitest error. Please, open a new issue with reproduction.`);
+		}
+		const result = await mock.resolve();
+		return result;
+	}
+	getFactoryModule(id) {
+		const mock = this.registry.get(id);
+		if (!mock || mock.type !== "manual") {
+			throw new Error(`Mock ${id} wasn't registered. This is probably a Vitest error. Please, open a new issue with reproduction.`);
+		}
+		if (!mock.cache) {
+			throw new Error(`Mock ${id} wasn't resolved. This is probably a Vitest error. Please, open a new issue with reproduction.`);
+		}
+		return mock.cache;
+	}
+	async invalidate() {
+		const ids = Array.from(this.mockedIds);
+		if (!ids.length) {
+			return;
+		}
+		await this.rpc.invalidate(ids);
+		await this.interceptor.invalidate();
+		this.registry.clear();
+	}
+	async importActual(id, importer) {
+		const resolved = await this.rpc.resolveId(id, importer);
+		if (resolved == null) {
+			throw new Error(`[vitest] Cannot resolve "${id}" imported from "${importer}"`);
+		}
+		const ext = extname(resolved.id);
+		const url = new URL(resolved.url, location.href);
+		const query = `_vitest_original&ext${ext}`;
+		const actualUrl = `${url.pathname}${url.search ? `${url.search}&${query}` : `?${query}`}${url.hash}`;
+		return this.wrapDynamicImport(() => import(
+			/* @vite-ignore */
+			actualUrl
+)).then((mod) => {
+			if (!resolved.optimized || typeof mod.default === "undefined") {
+				return mod;
+			}
+			// vite injects this helper for optimized modules, so we try to follow the same behavior
+			const m = mod.default;
+			return (m === null || m === void 0 ? void 0 : m.__esModule) ? m : {
+				...typeof m === "object" && !Array.isArray(m) || typeof m === "function" ? m : {},
+				default: m
+			};
+		});
+	}
+	async importMock(rawId, importer) {
+		await this.prepare();
+		const { resolvedId, resolvedUrl, redirectUrl } = await this.rpc.resolveMock(rawId, importer, { mock: "auto" });
+		const mockUrl = this.resolveMockPath(cleanVersion(resolvedUrl));
+		let mock = this.registry.get(mockUrl);
+		if (!mock) {
+			if (redirectUrl) {
+				const resolvedRedirect = new URL(this.resolveMockPath(cleanVersion(redirectUrl)), location.href).toString();
+				mock = new RedirectedModule(rawId, resolvedId, mockUrl, resolvedRedirect);
+			} else {
+				mock = new AutomockedModule(rawId, resolvedId, mockUrl);
+			}
+		}
+		if (mock.type === "manual") {
+			return await mock.resolve();
+		}
+		if (mock.type === "automock" || mock.type === "autospy") {
+			const url = new URL(`/@id/${resolvedId}`, location.href);
+			const query = url.search ? `${url.search}&t=${now()}` : `?t=${now()}`;
+			const moduleObject = await import(
+				/* @vite-ignore */
+				`${url.pathname}${query}&mock=${mock.type}${url.hash}`
+);
+			return this.mockObject(moduleObject, mock.type);
+		}
+		return import(
+			/* @vite-ignore */
+			mock.redirect
+);
+	}
+	mockObject(object, moduleType = "automock") {
+		return mockObject({
+			globalConstructors: {
+				Object,
+				Function,
+				Array,
+				Map,
+				RegExp
+			},
+			createMockInstance: this.createMockInstance,
+			type: moduleType
+		}, object);
+	}
+	queueMock(rawId, importer, factoryOrOptions) {
+		const promise = this.rpc.resolveMock(rawId, importer, { mock: typeof factoryOrOptions === "function" ? "factory" : (factoryOrOptions === null || factoryOrOptions === void 0 ? void 0 : factoryOrOptions.spy) ? "spy" : "auto" }).then(async ({ redirectUrl, resolvedId, resolvedUrl, needsInterop, mockType }) => {
+			const mockUrl = this.resolveMockPath(cleanVersion(resolvedUrl));
+			this.mockedIds.add(resolvedId);
+			const factory = typeof factoryOrOptions === "function" ? async () => {
+				const data = await factoryOrOptions();
+				// vite wraps all external modules that have "needsInterop" in a function that
+				// merges all exports from default into the module object
+				return needsInterop ? { default: data } : data;
+			} : undefined;
+			const mockRedirect = typeof redirectUrl === "string" ? new URL(this.resolveMockPath(cleanVersion(redirectUrl)), location.href).toString() : null;
+			let module;
+			if (mockType === "manual") {
+				module = this.registry.register("manual", rawId, resolvedId, mockUrl, factory);
+			} else if (mockType === "autospy") {
+				module = this.registry.register("autospy", rawId, resolvedId, mockUrl);
+			} else if (mockType === "redirect") {
+				module = this.registry.register("redirect", rawId, resolvedId, mockUrl, mockRedirect);
+			} else {
+				module = this.registry.register("automock", rawId, resolvedId, mockUrl);
+			}
+			await this.interceptor.register(module);
+		}).finally(() => {
+			this.queue.delete(promise);
+		});
+		this.queue.add(promise);
+	}
+	queueUnmock(id, importer) {
+		const promise = this.rpc.resolveId(id, importer).then(async (resolved) => {
+			if (!resolved) {
+				return;
+			}
+			const mockUrl = this.resolveMockPath(cleanVersion(resolved.url));
+			this.mockedIds.add(resolved.id);
+			this.registry.delete(mockUrl);
+			await this.interceptor.delete(mockUrl);
+		}).finally(() => {
+			this.queue.delete(promise);
+		});
+		this.queue.add(promise);
+	}
+	// We need to await mock registration before importing the actual module
+	// In case there is a mocked module in the import chain
+	wrapDynamicImport(moduleFactory) {
+		if (typeof moduleFactory === "function") {
+			const promise = new Promise((resolve, reject) => {
+				this.prepare().finally(() => {
+					moduleFactory().then(resolve, reject);
+				});
+			});
+			return promise;
+		}
+		return moduleFactory;
+	}
+	resolveMockPath(path) {
+		const config = this.config;
+		const fsRoot = join("/@fs/", config.root);
+		// URL can be /file/path.js, but path is resolved to /file/path
+		if (path.startsWith(config.root)) {
+			return path.slice(config.root.length);
+		}
+		if (path.startsWith(fsRoot)) {
+			return path.slice(fsRoot.length);
+		}
+		return path;
+	}
+}
+const versionRegexp = /(\?|&)v=\w{8}/;
+function cleanVersion(url) {
+	return url.replace(versionRegexp, "");
+}
+
+export { ModuleMocker as M, createCompilerHints as c, hot as h, rpc as r };