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|
import { printDiffOrStringify, diff } from '@vitest/utils/diff';
import { stringify } from '@vitest/utils/display';
import { getType, isObject, noop, assertTypes } from '@vitest/utils/helpers';
import c from 'tinyrainbow';
import { isMockFunction } from '@vitest/spy';
import { processError } from '@vitest/utils/error';
import { use, util } from 'chai';
import * as chai from 'chai';
export { chai };
const MATCHERS_OBJECT = Symbol.for("matchers-object");
const JEST_MATCHERS_OBJECT = Symbol.for("$$jest-matchers-object");
const GLOBAL_EXPECT = Symbol.for("expect-global");
const ASYMMETRIC_MATCHERS_OBJECT = Symbol.for("asymmetric-matchers-object");
// selectively ported from https://github.com/jest-community/jest-extended
const customMatchers = {
toSatisfy(actual, expected, message) {
const { printReceived, printExpected, matcherHint } = this.utils;
const pass = expected(actual);
return {
pass,
message: () => pass ? `\
${matcherHint(".not.toSatisfy", "received", "")}
Expected value to not satisfy:
${message || printExpected(expected)}
Received:
${printReceived(actual)}` : `\
${matcherHint(".toSatisfy", "received", "")}
Expected value to satisfy:
${message || printExpected(expected)}
Received:
${printReceived(actual)}`
};
},
toBeOneOf(actual, expected) {
const { equals, customTesters } = this;
const { printReceived, printExpected, matcherHint } = this.utils;
let pass;
if (Array.isArray(expected)) {
pass = expected.length === 0 || expected.some((item) => equals(item, actual, customTesters));
} else if (expected instanceof Set) {
pass = expected.size === 0 || expected.has(actual) || [...expected].some((item) => equals(item, actual, customTesters));
} else {
throw new TypeError(`You must provide an array or set to ${matcherHint(".toBeOneOf")}, not '${typeof expected}'.`);
}
return {
pass,
message: () => pass ? `\
${matcherHint(".not.toBeOneOf", "received", "")}
Expected value to not be one of:
${printExpected(expected)}
Received:
${printReceived(actual)}` : `\
${matcherHint(".toBeOneOf", "received", "")}
Expected value to be one of:
${printExpected(expected)}
Received:
${printReceived(actual)}`
};
}
};
const EXPECTED_COLOR = c.green;
const RECEIVED_COLOR = c.red;
const INVERTED_COLOR = c.inverse;
const BOLD_WEIGHT = c.bold;
const DIM_COLOR = c.dim;
function matcherHint(matcherName, received = "received", expected = "expected", options = {}) {
const { comment = "", isDirectExpectCall = false, isNot = false, promise = "", secondArgument = "", expectedColor = EXPECTED_COLOR, receivedColor = RECEIVED_COLOR, secondArgumentColor = EXPECTED_COLOR } = options;
let hint = "";
let dimString = "expect";
if (!isDirectExpectCall && received !== "") {
hint += DIM_COLOR(`${dimString}(`) + receivedColor(received);
dimString = ")";
}
if (promise !== "") {
hint += DIM_COLOR(`${dimString}.`) + promise;
dimString = "";
}
if (isNot) {
hint += `${DIM_COLOR(`${dimString}.`)}not`;
dimString = "";
}
if (matcherName.includes(".")) {
// Old format: for backward compatibility,
// especially without promise or isNot options
dimString += matcherName;
} else {
// New format: omit period from matcherName arg
hint += DIM_COLOR(`${dimString}.`) + matcherName;
dimString = "";
}
if (expected === "") {
dimString += "()";
} else {
hint += DIM_COLOR(`${dimString}(`) + expectedColor(expected);
if (secondArgument) {
hint += DIM_COLOR(", ") + secondArgumentColor(secondArgument);
}
dimString = ")";
}
if (comment !== "") {
dimString += ` // ${comment}`;
}
if (dimString !== "") {
hint += DIM_COLOR(dimString);
}
return hint;
}
const SPACE_SYMBOL = "·";
// Instead of inverse highlight which now implies a change,
// replace common spaces with middle dot at the end of any line.
function replaceTrailingSpaces(text) {
return text.replace(/\s+$/gm, (spaces) => SPACE_SYMBOL.repeat(spaces.length));
}
function printReceived(object) {
return RECEIVED_COLOR(replaceTrailingSpaces(stringify(object)));
}
function printExpected(value) {
return EXPECTED_COLOR(replaceTrailingSpaces(stringify(value)));
}
function getMatcherUtils() {
return {
EXPECTED_COLOR,
RECEIVED_COLOR,
INVERTED_COLOR,
BOLD_WEIGHT,
DIM_COLOR,
diff,
matcherHint,
printReceived,
printExpected,
printDiffOrStringify,
printWithType
};
}
function printWithType(name, value, print) {
const type = getType(value);
const hasType = type !== "null" && type !== "undefined" ? `${name} has type: ${type}\n` : "";
const hasValue = `${name} has value: ${print(value)}`;
return hasType + hasValue;
}
function addCustomEqualityTesters(newTesters) {
if (!Array.isArray(newTesters)) {
throw new TypeError(`expect.customEqualityTesters: Must be set to an array of Testers. Was given "${getType(newTesters)}"`);
}
globalThis[JEST_MATCHERS_OBJECT].customEqualityTesters.push(...newTesters);
}
function getCustomEqualityTesters() {
return globalThis[JEST_MATCHERS_OBJECT].customEqualityTesters;
}
// Extracted out of jasmine 2.5.2
function equals(a, b, customTesters, strictCheck) {
customTesters = customTesters || [];
return eq(a, b, [], [], customTesters, strictCheck ? hasKey : hasDefinedKey);
}
const functionToString = Function.prototype.toString;
function isAsymmetric(obj) {
return !!obj && typeof obj === "object" && "asymmetricMatch" in obj && isA("Function", obj.asymmetricMatch);
}
function hasAsymmetric(obj, seen = new Set()) {
if (seen.has(obj)) {
return false;
}
seen.add(obj);
if (isAsymmetric(obj)) {
return true;
}
if (Array.isArray(obj)) {
return obj.some((i) => hasAsymmetric(i, seen));
}
if (obj instanceof Set) {
return Array.from(obj).some((i) => hasAsymmetric(i, seen));
}
if (isObject(obj)) {
return Object.values(obj).some((v) => hasAsymmetric(v, seen));
}
return false;
}
function asymmetricMatch(a, b, customTesters) {
const asymmetricA = isAsymmetric(a);
const asymmetricB = isAsymmetric(b);
if (asymmetricA && asymmetricB) {
return undefined;
}
if (asymmetricA) {
return a.asymmetricMatch(b, customTesters);
}
if (asymmetricB) {
return b.asymmetricMatch(a, customTesters);
}
}
// Equality function lovingly adapted from isEqual in
// [Underscore](http://underscorejs.org)
function eq(a, b, aStack, bStack, customTesters, hasKey) {
let result = true;
const asymmetricResult = asymmetricMatch(a, b, customTesters);
if (asymmetricResult !== undefined) {
return asymmetricResult;
}
const testerContext = { equals };
for (let i = 0; i < customTesters.length; i++) {
const customTesterResult = customTesters[i].call(testerContext, a, b, customTesters);
if (customTesterResult !== undefined) {
return customTesterResult;
}
}
if (typeof URL === "function" && a instanceof URL && b instanceof URL) {
return a.href === b.href;
}
if (Object.is(a, b)) {
return true;
}
// A strict comparison is necessary because `null == undefined`.
if (a === null || b === null) {
return a === b;
}
const className = Object.prototype.toString.call(a);
if (className !== Object.prototype.toString.call(b)) {
return false;
}
switch (className) {
case "[object Boolean]":
case "[object String]":
case "[object Number]": if (typeof a !== typeof b) {
// One is a primitive, one a `new Primitive()`
return false;
} else if (typeof a !== "object" && typeof b !== "object") {
// both are proper primitives
return Object.is(a, b);
} else {
// both are `new Primitive()`s
return Object.is(a.valueOf(), b.valueOf());
}
case "[object Date]": {
const numA = +a;
const numB = +b;
// Coerce dates to numeric primitive values. Dates are compared by their
// millisecond representations. Note that invalid dates with millisecond representations
// of `NaN` are equivalent.
return numA === numB || Number.isNaN(numA) && Number.isNaN(numB);
}
case "[object RegExp]": return a.source === b.source && a.flags === b.flags;
case "[object Temporal.Instant]":
case "[object Temporal.ZonedDateTime]":
case "[object Temporal.PlainDateTime]":
case "[object Temporal.PlainDate]":
case "[object Temporal.PlainTime]":
case "[object Temporal.PlainYearMonth]":
case "[object Temporal.PlainMonthDay]": return a.equals(b);
case "[object Temporal.Duration]": return a.toString() === b.toString();
}
if (typeof a !== "object" || typeof b !== "object") {
return false;
}
// Use DOM3 method isEqualNode (IE>=9)
if (isDomNode(a) && isDomNode(b)) {
return a.isEqualNode(b);
}
// Used to detect circular references.
let length = aStack.length;
while (length--) {
// Linear search. Performance is inversely proportional to the number of
// unique nested structures.
// circular references at same depth are equal
// circular reference is not equal to non-circular one
if (aStack[length] === a) {
return bStack[length] === b;
} else if (bStack[length] === b) {
return false;
}
}
// Add the first object to the stack of traversed objects.
aStack.push(a);
bStack.push(b);
// Recursively compare objects and arrays.
// Compare array lengths to determine if a deep comparison is necessary.
if (className === "[object Array]" && a.length !== b.length) {
return false;
}
if (a instanceof Error && b instanceof Error) {
try {
return isErrorEqual(a, b, aStack, bStack, customTesters, hasKey);
} finally {
aStack.pop();
bStack.pop();
}
}
// Deep compare objects.
const aKeys = keys(a, hasKey);
let key;
let size = aKeys.length;
// Ensure that both objects contain the same number of properties before comparing deep equality.
if (keys(b, hasKey).length !== size) {
return false;
}
while (size--) {
key = aKeys[size];
// Deep compare each member
result = hasKey(b, key) && eq(a[key], b[key], aStack, bStack, customTesters, hasKey);
if (!result) {
return false;
}
}
// Remove the first object from the stack of traversed objects.
aStack.pop();
bStack.pop();
return result;
}
function isErrorEqual(a, b, aStack, bStack, customTesters, hasKey) {
// https://nodejs.org/docs/latest-v22.x/api/assert.html#comparison-details
// - [[Prototype]] of objects are compared using the === operator.
// - Only enumerable "own" properties are considered.
// - Error names, messages, causes, and errors are always compared, even if these are not enumerable properties. errors is also compared.
let result = Object.getPrototypeOf(a) === Object.getPrototypeOf(b) && a.name === b.name && a.message === b.message;
// check Error.cause asymmetrically
if (typeof b.cause !== "undefined") {
result && (result = eq(a.cause, b.cause, aStack, bStack, customTesters, hasKey));
}
// AggregateError.errors
if (a instanceof AggregateError && b instanceof AggregateError) {
result && (result = eq(a.errors, b.errors, aStack, bStack, customTesters, hasKey));
}
// spread to compare enumerable properties
result && (result = eq({ ...a }, { ...b }, aStack, bStack, customTesters, hasKey));
return result;
}
function keys(obj, hasKey) {
const keys = [];
for (const key in obj) {
if (hasKey(obj, key)) {
keys.push(key);
}
}
return keys.concat(Object.getOwnPropertySymbols(obj).filter((symbol) => Object.getOwnPropertyDescriptor(obj, symbol).enumerable));
}
function hasDefinedKey(obj, key) {
return hasKey(obj, key) && obj[key] !== undefined;
}
function hasKey(obj, key) {
return Object.hasOwn(obj, key);
}
function isA(typeName, value) {
return Object.prototype.toString.apply(value) === `[object ${typeName}]`;
}
function isDomNode(obj) {
return obj !== null && typeof obj === "object" && "nodeType" in obj && typeof obj.nodeType === "number" && "nodeName" in obj && typeof obj.nodeName === "string" && "isEqualNode" in obj && typeof obj.isEqualNode === "function";
}
function fnNameFor(func) {
if (func.name) {
return func.name;
}
const matches = functionToString.call(func).match(/^(?:async)?\s*function\s*(?:\*\s*)?([\w$]+)\s*\(/);
return matches ? matches[1] : "<anonymous>";
}
function getPrototype(obj) {
if (Object.getPrototypeOf) {
return Object.getPrototypeOf(obj);
}
if (obj.constructor.prototype === obj) {
return null;
}
return obj.constructor.prototype;
}
function hasProperty(obj, property) {
if (!obj) {
return false;
}
if (Object.hasOwn(obj, property)) {
return true;
}
return hasProperty(getPrototype(obj), property);
}
// SENTINEL constants are from https://github.com/facebook/immutable-js
const IS_KEYED_SENTINEL = "@@__IMMUTABLE_KEYED__@@";
const IS_SET_SENTINEL = "@@__IMMUTABLE_SET__@@";
const IS_LIST_SENTINEL = "@@__IMMUTABLE_LIST__@@";
const IS_ORDERED_SENTINEL = "@@__IMMUTABLE_ORDERED__@@";
const IS_RECORD_SYMBOL = "@@__IMMUTABLE_RECORD__@@";
function isImmutableUnorderedKeyed(maybeKeyed) {
return !!(maybeKeyed && maybeKeyed[IS_KEYED_SENTINEL] && !maybeKeyed[IS_ORDERED_SENTINEL]);
}
function isImmutableUnorderedSet(maybeSet) {
return !!(maybeSet && maybeSet[IS_SET_SENTINEL] && !maybeSet[IS_ORDERED_SENTINEL]);
}
function isObjectLiteral(source) {
return source != null && typeof source === "object" && !Array.isArray(source);
}
function isImmutableList(source) {
return Boolean(source && isObjectLiteral(source) && source[IS_LIST_SENTINEL]);
}
function isImmutableOrderedKeyed(source) {
return Boolean(source && isObjectLiteral(source) && source[IS_KEYED_SENTINEL] && source[IS_ORDERED_SENTINEL]);
}
function isImmutableOrderedSet(source) {
return Boolean(source && isObjectLiteral(source) && source[IS_SET_SENTINEL] && source[IS_ORDERED_SENTINEL]);
}
function isImmutableRecord(source) {
return Boolean(source && isObjectLiteral(source) && source[IS_RECORD_SYMBOL]);
}
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*/
const IteratorSymbol = Symbol.iterator;
function hasIterator(object) {
return !!(object != null && object[IteratorSymbol]);
}
function iterableEquality(a, b, customTesters = [], aStack = [], bStack = []) {
if (typeof a !== "object" || typeof b !== "object" || Array.isArray(a) || Array.isArray(b) || !hasIterator(a) || !hasIterator(b)) {
return undefined;
}
if (a.constructor !== b.constructor) {
return false;
}
let length = aStack.length;
while (length--) {
// Linear search. Performance is inversely proportional to the number of
// unique nested structures.
// circular references at same depth are equal
// circular reference is not equal to non-circular one
if (aStack[length] === a) {
return bStack[length] === b;
}
}
aStack.push(a);
bStack.push(b);
const filteredCustomTesters = [...customTesters.filter((t) => t !== iterableEquality), iterableEqualityWithStack];
function iterableEqualityWithStack(a, b) {
return iterableEquality(a, b, [...customTesters], [...aStack], [...bStack]);
}
if (a.size !== undefined) {
if (a.size !== b.size) {
return false;
} else if (isA("Set", a) || isImmutableUnorderedSet(a)) {
let allFound = true;
for (const aValue of a) {
if (!b.has(aValue)) {
let has = false;
for (const bValue of b) {
const isEqual = equals(aValue, bValue, filteredCustomTesters);
if (isEqual === true) {
has = true;
}
}
if (has === false) {
allFound = false;
break;
}
}
}
// Remove the first value from the stack of traversed values.
aStack.pop();
bStack.pop();
return allFound;
} else if (isA("Map", a) || isImmutableUnorderedKeyed(a)) {
let allFound = true;
for (const aEntry of a) {
if (!b.has(aEntry[0]) || !equals(aEntry[1], b.get(aEntry[0]), filteredCustomTesters)) {
let has = false;
for (const bEntry of b) {
const matchedKey = equals(aEntry[0], bEntry[0], filteredCustomTesters);
let matchedValue = false;
if (matchedKey === true) {
matchedValue = equals(aEntry[1], bEntry[1], filteredCustomTesters);
}
if (matchedValue === true) {
has = true;
}
}
if (has === false) {
allFound = false;
break;
}
}
}
// Remove the first value from the stack of traversed values.
aStack.pop();
bStack.pop();
return allFound;
}
}
const bIterator = b[IteratorSymbol]();
for (const aValue of a) {
const nextB = bIterator.next();
if (nextB.done || !equals(aValue, nextB.value, filteredCustomTesters)) {
return false;
}
}
if (!bIterator.next().done) {
return false;
}
if (!isImmutableList(a) && !isImmutableOrderedKeyed(a) && !isImmutableOrderedSet(a) && !isImmutableRecord(a)) {
const aEntries = Object.entries(a);
const bEntries = Object.entries(b);
if (!equals(aEntries, bEntries, filteredCustomTesters)) {
return false;
}
}
// Remove the first value from the stack of traversed values.
aStack.pop();
bStack.pop();
return true;
}
/**
* Checks if `hasOwnProperty(object, key)` up the prototype chain, stopping at `Object.prototype`.
*/
function hasPropertyInObject(object, key) {
const shouldTerminate = !object || typeof object !== "object" || object === Object.prototype;
if (shouldTerminate) {
return false;
}
return Object.hasOwn(object, key) || hasPropertyInObject(Object.getPrototypeOf(object), key);
}
function isObjectWithKeys(a) {
return isObject(a) && !(a instanceof Error) && !Array.isArray(a) && !(a instanceof Date);
}
function subsetEquality(object, subset, customTesters = []) {
const filteredCustomTesters = customTesters.filter((t) => t !== subsetEquality);
// subsetEquality needs to keep track of the references
// it has already visited to avoid infinite loops in case
// there are circular references in the subset passed to it.
const subsetEqualityWithContext = (seenReferences = new WeakMap()) => (object, subset) => {
if (!isObjectWithKeys(subset)) {
return undefined;
}
return Object.keys(subset).every((key) => {
if (subset[key] != null && typeof subset[key] === "object") {
if (seenReferences.has(subset[key])) {
return equals(object[key], subset[key], filteredCustomTesters);
}
seenReferences.set(subset[key], true);
}
const result = object != null && hasPropertyInObject(object, key) && equals(object[key], subset[key], [...filteredCustomTesters, subsetEqualityWithContext(seenReferences)]);
// The main goal of using seenReference is to avoid circular node on tree.
// It will only happen within a parent and its child, not a node and nodes next to it (same level)
// We should keep the reference for a parent and its child only
// Thus we should delete the reference immediately so that it doesn't interfere
// other nodes within the same level on tree.
seenReferences.delete(subset[key]);
return result;
});
};
return subsetEqualityWithContext()(object, subset);
}
function typeEquality(a, b) {
if (a == null || b == null || a.constructor === b.constructor) {
return undefined;
}
return false;
}
function arrayBufferEquality(a, b) {
let dataViewA = a;
let dataViewB = b;
if (!(a instanceof DataView && b instanceof DataView)) {
if (!(a instanceof ArrayBuffer) || !(b instanceof ArrayBuffer)) {
return undefined;
}
try {
dataViewA = new DataView(a);
dataViewB = new DataView(b);
} catch {
return undefined;
}
}
// Buffers are not equal when they do not have the same byte length
if (dataViewA.byteLength !== dataViewB.byteLength) {
return false;
}
// Check if every byte value is equal to each other
for (let i = 0; i < dataViewA.byteLength; i++) {
if (dataViewA.getUint8(i) !== dataViewB.getUint8(i)) {
return false;
}
}
return true;
}
function sparseArrayEquality(a, b, customTesters = []) {
if (!Array.isArray(a) || !Array.isArray(b)) {
return undefined;
}
// A sparse array [, , 1] will have keys ["2"] whereas [undefined, undefined, 1] will have keys ["0", "1", "2"]
const aKeys = Object.keys(a);
const bKeys = Object.keys(b);
const filteredCustomTesters = customTesters.filter((t) => t !== sparseArrayEquality);
return equals(a, b, filteredCustomTesters, true) && equals(aKeys, bKeys);
}
function generateToBeMessage(deepEqualityName, expected = "#{this}", actual = "#{exp}") {
const toBeMessage = `expected ${expected} to be ${actual} // Object.is equality`;
if (["toStrictEqual", "toEqual"].includes(deepEqualityName)) {
return `${toBeMessage}\n\nIf it should pass with deep equality, replace "toBe" with "${deepEqualityName}"\n\nExpected: ${expected}\nReceived: serializes to the same string\n`;
}
return toBeMessage;
}
function pluralize(word, count) {
return `${count} ${word}${count === 1 ? "" : "s"}`;
}
function getObjectKeys(object) {
return [...Object.keys(object), ...Object.getOwnPropertySymbols(object).filter((s) => {
var _Object$getOwnPropert;
return (_Object$getOwnPropert = Object.getOwnPropertyDescriptor(object, s)) === null || _Object$getOwnPropert === void 0 ? void 0 : _Object$getOwnPropert.enumerable;
})];
}
function getObjectSubset(object, subset, customTesters) {
let stripped = 0;
const getObjectSubsetWithContext = (seenReferences = new WeakMap()) => (object, subset) => {
if (Array.isArray(object)) {
if (Array.isArray(subset) && subset.length === object.length) {
// The map method returns correct subclass of subset.
return subset.map((sub, i) => getObjectSubsetWithContext(seenReferences)(object[i], sub));
}
} else if (object instanceof Date) {
return object;
} else if (isObject(object) && isObject(subset)) {
if (equals(object, subset, [
...customTesters,
iterableEquality,
subsetEquality
])) {
// return "expected" subset to avoid showing irrelevant toMatchObject diff
return subset;
}
const trimmed = {};
seenReferences.set(object, trimmed);
// preserve constructor for toMatchObject diff
if (typeof object.constructor === "function" && typeof object.constructor.name === "string") {
Object.defineProperty(trimmed, "constructor", {
enumerable: false,
value: object.constructor
});
}
for (const key of getObjectKeys(object)) {
if (hasPropertyInObject(subset, key)) {
trimmed[key] = seenReferences.has(object[key]) ? seenReferences.get(object[key]) : getObjectSubsetWithContext(seenReferences)(object[key], subset[key]);
} else {
if (!seenReferences.has(object[key])) {
stripped += 1;
if (isObject(object[key])) {
stripped += getObjectKeys(object[key]).length;
}
getObjectSubsetWithContext(seenReferences)(object[key], subset[key]);
}
}
}
if (getObjectKeys(trimmed).length > 0) {
return trimmed;
}
}
return object;
};
return {
subset: getObjectSubsetWithContext()(object, subset),
stripped
};
}
/**
* Detects if an object is a Standard Schema V1 compatible schema
*/
function isStandardSchema(obj) {
return !!obj && (typeof obj === "object" || typeof obj === "function") && obj["~standard"] && typeof obj["~standard"].validate === "function";
}
if (!Object.hasOwn(globalThis, MATCHERS_OBJECT)) {
const globalState = new WeakMap();
const matchers = Object.create(null);
const customEqualityTesters = [];
const asymmetricMatchers = Object.create(null);
Object.defineProperty(globalThis, MATCHERS_OBJECT, { get: () => globalState });
Object.defineProperty(globalThis, JEST_MATCHERS_OBJECT, {
configurable: true,
get: () => ({
state: globalState.get(globalThis[GLOBAL_EXPECT]),
matchers,
customEqualityTesters
})
});
Object.defineProperty(globalThis, ASYMMETRIC_MATCHERS_OBJECT, { get: () => asymmetricMatchers });
}
function getState(expect) {
return globalThis[MATCHERS_OBJECT].get(expect);
}
function setState(state, expect) {
const map = globalThis[MATCHERS_OBJECT];
const current = map.get(expect) || {};
// so it keeps getters from `testPath`
const results = Object.defineProperties(current, {
...Object.getOwnPropertyDescriptors(current),
...Object.getOwnPropertyDescriptors(state)
});
map.set(expect, results);
}
class AsymmetricMatcher {
// should have "jest" to be compatible with its ecosystem
$$typeof = Symbol.for("jest.asymmetricMatcher");
constructor(sample, inverse = false) {
this.sample = sample;
this.inverse = inverse;
}
getMatcherContext(expect) {
return {
...getState(expect || globalThis[GLOBAL_EXPECT]),
equals,
isNot: this.inverse,
customTesters: getCustomEqualityTesters(),
utils: {
...getMatcherUtils(),
diff,
stringify,
iterableEquality,
subsetEquality
}
};
}
}
// implement custom chai/loupe inspect for better AssertionError.message formatting
// https://github.com/chaijs/loupe/blob/9b8a6deabcd50adc056a64fb705896194710c5c6/src/index.ts#L29
// @ts-expect-error computed properties is not supported when isolatedDeclarations is enabled
// FIXME: https://github.com/microsoft/TypeScript/issues/61068
AsymmetricMatcher.prototype[Symbol.for("chai/inspect")] = function(options) {
// minimal pretty-format with simple manual truncation
const result = stringify(this, options.depth, { min: true });
if (result.length <= options.truncate) {
return result;
}
return `${this.toString()}{…}`;
};
class StringContaining extends AsymmetricMatcher {
constructor(sample, inverse = false) {
if (!isA("String", sample)) {
throw new Error("Expected is not a string");
}
super(sample, inverse);
}
asymmetricMatch(other) {
const result = isA("String", other) && other.includes(this.sample);
return this.inverse ? !result : result;
}
toString() {
return `String${this.inverse ? "Not" : ""}Containing`;
}
getExpectedType() {
return "string";
}
}
class Anything extends AsymmetricMatcher {
asymmetricMatch(other) {
return other != null;
}
toString() {
return "Anything";
}
toAsymmetricMatcher() {
return "Anything";
}
}
class ObjectContaining extends AsymmetricMatcher {
constructor(sample, inverse = false) {
super(sample, inverse);
}
getPrototype(obj) {
if (Object.getPrototypeOf) {
return Object.getPrototypeOf(obj);
}
if (obj.constructor.prototype === obj) {
return null;
}
return obj.constructor.prototype;
}
hasProperty(obj, property) {
if (!obj) {
return false;
}
if (Object.hasOwn(obj, property)) {
return true;
}
return this.hasProperty(this.getPrototype(obj), property);
}
getProperties(obj) {
return [...Object.keys(obj), ...Object.getOwnPropertySymbols(obj).filter((s) => {
var _Object$getOwnPropert;
return (_Object$getOwnPropert = Object.getOwnPropertyDescriptor(obj, s)) === null || _Object$getOwnPropert === void 0 ? void 0 : _Object$getOwnPropert.enumerable;
})];
}
asymmetricMatch(other, customTesters) {
if (typeof this.sample !== "object") {
throw new TypeError(`You must provide an object to ${this.toString()}, not '${typeof this.sample}'.`);
}
let result = true;
const properties = this.getProperties(this.sample);
for (const property of properties) {
var _Object$getOwnPropert2, _Object$getOwnPropert3;
if (!this.hasProperty(other, property)) {
result = false;
break;
}
const value = ((_Object$getOwnPropert2 = Object.getOwnPropertyDescriptor(this.sample, property)) === null || _Object$getOwnPropert2 === void 0 ? void 0 : _Object$getOwnPropert2.value) ?? this.sample[property];
const otherValue = ((_Object$getOwnPropert3 = Object.getOwnPropertyDescriptor(other, property)) === null || _Object$getOwnPropert3 === void 0 ? void 0 : _Object$getOwnPropert3.value) ?? other[property];
if (!equals(value, otherValue, customTesters)) {
result = false;
break;
}
}
return this.inverse ? !result : result;
}
toString() {
return `Object${this.inverse ? "Not" : ""}Containing`;
}
getExpectedType() {
return "object";
}
}
class ArrayContaining extends AsymmetricMatcher {
constructor(sample, inverse = false) {
super(sample, inverse);
}
asymmetricMatch(other, customTesters) {
if (!Array.isArray(this.sample)) {
throw new TypeError(`You must provide an array to ${this.toString()}, not '${typeof this.sample}'.`);
}
const result = this.sample.length === 0 || Array.isArray(other) && this.sample.every((item) => other.some((another) => equals(item, another, customTesters)));
return this.inverse ? !result : result;
}
toString() {
return `Array${this.inverse ? "Not" : ""}Containing`;
}
getExpectedType() {
return "array";
}
}
class Any extends AsymmetricMatcher {
constructor(sample) {
if (typeof sample === "undefined") {
throw new TypeError("any() expects to be passed a constructor function. " + "Please pass one or use anything() to match any object.");
}
super(sample);
}
fnNameFor(func) {
if (func.name) {
return func.name;
}
const functionToString = Function.prototype.toString;
const matches = functionToString.call(func).match(/^(?:async)?\s*function\s*(?:\*\s*)?([\w$]+)\s*\(/);
return matches ? matches[1] : "<anonymous>";
}
asymmetricMatch(other) {
if (this.sample === String) {
return typeof other == "string" || other instanceof String;
}
if (this.sample === Number) {
return typeof other == "number" || other instanceof Number;
}
if (this.sample === Function) {
return typeof other == "function" || typeof other === "function";
}
if (this.sample === Boolean) {
return typeof other == "boolean" || other instanceof Boolean;
}
if (this.sample === BigInt) {
return typeof other == "bigint" || other instanceof BigInt;
}
if (this.sample === Symbol) {
return typeof other == "symbol" || other instanceof Symbol;
}
if (this.sample === Object) {
return typeof other == "object";
}
return other instanceof this.sample;
}
toString() {
return "Any";
}
getExpectedType() {
if (this.sample === String) {
return "string";
}
if (this.sample === Number) {
return "number";
}
if (this.sample === Function) {
return "function";
}
if (this.sample === Object) {
return "object";
}
if (this.sample === Boolean) {
return "boolean";
}
return this.fnNameFor(this.sample);
}
toAsymmetricMatcher() {
return `Any<${this.fnNameFor(this.sample)}>`;
}
}
class StringMatching extends AsymmetricMatcher {
constructor(sample, inverse = false) {
if (!isA("String", sample) && !isA("RegExp", sample)) {
throw new Error("Expected is not a String or a RegExp");
}
super(new RegExp(sample), inverse);
}
asymmetricMatch(other) {
const result = isA("String", other) && this.sample.test(other);
return this.inverse ? !result : result;
}
toString() {
return `String${this.inverse ? "Not" : ""}Matching`;
}
getExpectedType() {
return "string";
}
}
class CloseTo extends AsymmetricMatcher {
precision;
constructor(sample, precision = 2, inverse = false) {
if (!isA("Number", sample)) {
throw new Error("Expected is not a Number");
}
if (!isA("Number", precision)) {
throw new Error("Precision is not a Number");
}
super(sample);
this.inverse = inverse;
this.precision = precision;
}
asymmetricMatch(other) {
if (!isA("Number", other)) {
return false;
}
let result = false;
if (other === Number.POSITIVE_INFINITY && this.sample === Number.POSITIVE_INFINITY) {
result = true;
} else if (other === Number.NEGATIVE_INFINITY && this.sample === Number.NEGATIVE_INFINITY) {
result = true;
} else {
result = Math.abs(this.sample - other) < 10 ** -this.precision / 2;
}
return this.inverse ? !result : result;
}
toString() {
return `Number${this.inverse ? "Not" : ""}CloseTo`;
}
getExpectedType() {
return "number";
}
toAsymmetricMatcher() {
return [
this.toString(),
this.sample,
`(${pluralize("digit", this.precision)})`
].join(" ");
}
}
class SchemaMatching extends AsymmetricMatcher {
result;
constructor(sample, inverse = false) {
if (!isStandardSchema(sample)) {
throw new TypeError("SchemaMatching expected to receive a Standard Schema.");
}
super(sample, inverse);
}
asymmetricMatch(other) {
const result = this.sample["~standard"].validate(other);
// Check if the result is a Promise (async validation)
if (result instanceof Promise) {
throw new TypeError("Async schema validation is not supported in asymmetric matchers.");
}
this.result = result;
const pass = !this.result.issues || this.result.issues.length === 0;
return this.inverse ? !pass : pass;
}
toString() {
return `Schema${this.inverse ? "Not" : ""}Matching`;
}
getExpectedType() {
return "object";
}
toAsymmetricMatcher() {
var _this$result;
const { utils } = this.getMatcherContext();
const issues = ((_this$result = this.result) === null || _this$result === void 0 ? void 0 : _this$result.issues) || [];
if (issues.length > 0) {
return `${this.toString()} ${utils.stringify(this.result, undefined, { printBasicPrototype: false })}`;
}
return this.toString();
}
}
const JestAsymmetricMatchers = (chai, utils) => {
utils.addMethod(chai.expect, "anything", () => new Anything());
utils.addMethod(chai.expect, "any", (expected) => new Any(expected));
utils.addMethod(chai.expect, "stringContaining", (expected) => new StringContaining(expected));
utils.addMethod(chai.expect, "objectContaining", (expected) => new ObjectContaining(expected));
utils.addMethod(chai.expect, "arrayContaining", (expected) => new ArrayContaining(expected));
utils.addMethod(chai.expect, "stringMatching", (expected) => new StringMatching(expected));
utils.addMethod(chai.expect, "closeTo", (expected, precision) => new CloseTo(expected, precision));
utils.addMethod(chai.expect, "schemaMatching", (expected) => new SchemaMatching(expected));
// defineProperty does not work
chai.expect.not = {
stringContaining: (expected) => new StringContaining(expected, true),
objectContaining: (expected) => new ObjectContaining(expected, true),
arrayContaining: (expected) => new ArrayContaining(expected, true),
stringMatching: (expected) => new StringMatching(expected, true),
closeTo: (expected, precision) => new CloseTo(expected, precision, true),
schemaMatching: (expected) => new SchemaMatching(expected, true)
};
};
function createAssertionMessage(util, assertion, hasArgs) {
const not = util.flag(assertion, "negate") ? "not." : "";
const name = `${util.flag(assertion, "_name")}(${hasArgs ? "expected" : ""})`;
const promiseName = util.flag(assertion, "promise");
const promise = promiseName ? `.${promiseName}` : "";
return `expect(actual)${promise}.${not}${name}`;
}
function recordAsyncExpect(_test, promise, assertion, error) {
const test = _test;
// record promise for test, that resolves before test ends
if (test && promise instanceof Promise) {
// if promise is explicitly awaited, remove it from the list
promise = promise.finally(() => {
if (!test.promises) {
return;
}
const index = test.promises.indexOf(promise);
if (index !== -1) {
test.promises.splice(index, 1);
}
});
// record promise
if (!test.promises) {
test.promises = [];
}
test.promises.push(promise);
let resolved = false;
test.onFinished ?? (test.onFinished = []);
test.onFinished.push(() => {
if (!resolved) {
var _vitest_worker__;
const processor = ((_vitest_worker__ = globalThis.__vitest_worker__) === null || _vitest_worker__ === void 0 ? void 0 : _vitest_worker__.onFilterStackTrace) || ((s) => s || "");
const stack = processor(error.stack);
console.warn([
`Promise returned by \`${assertion}\` was not awaited. `,
"Vitest currently auto-awaits hanging assertions at the end of the test, but this will cause the test to fail in Vitest 3. ",
"Please remember to await the assertion.\n",
stack
].join(""));
}
});
return {
then(onFulfilled, onRejected) {
resolved = true;
return promise.then(onFulfilled, onRejected);
},
catch(onRejected) {
return promise.catch(onRejected);
},
finally(onFinally) {
return promise.finally(onFinally);
},
[Symbol.toStringTag]: "Promise"
};
}
return promise;
}
function handleTestError(test, err) {
var _test$result;
test.result || (test.result = { state: "fail" });
test.result.state = "fail";
(_test$result = test.result).errors || (_test$result.errors = []);
test.result.errors.push(processError(err));
}
function wrapAssertion(utils, name, fn) {
return function(...args) {
// private
if (name !== "withTest") {
utils.flag(this, "_name", name);
}
if (!utils.flag(this, "soft")) {
return fn.apply(this, args);
}
const test = utils.flag(this, "vitest-test");
if (!test) {
throw new Error("expect.soft() can only be used inside a test");
}
try {
const result = fn.apply(this, args);
if (result && typeof result === "object" && typeof result.then === "function") {
return result.then(noop, (err) => {
handleTestError(test, err);
});
}
return result;
} catch (err) {
handleTestError(test, err);
}
};
}
// Jest Expect Compact
const JestChaiExpect = (chai, utils) => {
const { AssertionError } = chai;
const customTesters = getCustomEqualityTesters();
function def(name, fn) {
const addMethod = (n) => {
const softWrapper = wrapAssertion(utils, n, fn);
utils.addMethod(chai.Assertion.prototype, n, softWrapper);
utils.addMethod(globalThis[JEST_MATCHERS_OBJECT].matchers, n, softWrapper);
};
if (Array.isArray(name)) {
name.forEach((n) => addMethod(n));
} else {
addMethod(name);
}
}
[
"throw",
"throws",
"Throw"
].forEach((m) => {
utils.overwriteMethod(chai.Assertion.prototype, m, (_super) => {
return function(...args) {
const promise = utils.flag(this, "promise");
const object = utils.flag(this, "object");
const isNot = utils.flag(this, "negate");
if (promise === "rejects") {
utils.flag(this, "object", () => {
throw object;
});
} else if (promise === "resolves" && typeof object !== "function") {
if (!isNot) {
const message = utils.flag(this, "message") || "expected promise to throw an error, but it didn't";
const error = { showDiff: false };
throw new AssertionError(message, error, utils.flag(this, "ssfi"));
} else {
return;
}
}
_super.apply(this, args);
};
});
});
// @ts-expect-error @internal
def("withTest", function(test) {
utils.flag(this, "vitest-test", test);
return this;
});
def("toEqual", function(expected) {
const actual = utils.flag(this, "object");
const equal = equals(actual, expected, [...customTesters, iterableEquality]);
return this.assert(equal, "expected #{this} to deeply equal #{exp}", "expected #{this} to not deeply equal #{exp}", expected, actual);
});
def("toStrictEqual", function(expected) {
const obj = utils.flag(this, "object");
const equal = equals(obj, expected, [
...customTesters,
iterableEquality,
typeEquality,
sparseArrayEquality,
arrayBufferEquality
], true);
return this.assert(equal, "expected #{this} to strictly equal #{exp}", "expected #{this} to not strictly equal #{exp}", expected, obj);
});
def("toBe", function(expected) {
const actual = this._obj;
const pass = Object.is(actual, expected);
let deepEqualityName = "";
if (!pass) {
const toStrictEqualPass = equals(actual, expected, [
...customTesters,
iterableEquality,
typeEquality,
sparseArrayEquality,
arrayBufferEquality
], true);
if (toStrictEqualPass) {
deepEqualityName = "toStrictEqual";
} else {
const toEqualPass = equals(actual, expected, [...customTesters, iterableEquality]);
if (toEqualPass) {
deepEqualityName = "toEqual";
}
}
}
return this.assert(pass, generateToBeMessage(deepEqualityName), "expected #{this} not to be #{exp} // Object.is equality", expected, actual);
});
def("toMatchObject", function(expected) {
const actual = this._obj;
const pass = equals(actual, expected, [
...customTesters,
iterableEquality,
subsetEquality
]);
const isNot = utils.flag(this, "negate");
const { subset: actualSubset, stripped } = getObjectSubset(actual, expected, customTesters);
if (pass && isNot || !pass && !isNot) {
const msg = utils.getMessage(this, [
pass,
"expected #{this} to match object #{exp}",
"expected #{this} to not match object #{exp}",
expected,
actualSubset,
false
]);
const message = stripped === 0 ? msg : `${msg}\n(${stripped} matching ${stripped === 1 ? "property" : "properties"} omitted from actual)`;
throw new AssertionError(message, {
showDiff: true,
expected,
actual: actualSubset
});
}
});
def("toMatch", function(expected) {
const actual = this._obj;
if (typeof actual !== "string") {
throw new TypeError(`.toMatch() expects to receive a string, but got ${typeof actual}`);
}
return this.assert(typeof expected === "string" ? actual.includes(expected) : actual.match(expected), `expected #{this} to match #{exp}`, `expected #{this} not to match #{exp}`, expected, actual);
});
def("toContain", function(item) {
const actual = this._obj;
if (typeof Node !== "undefined" && actual instanceof Node) {
if (!(item instanceof Node)) {
throw new TypeError(`toContain() expected a DOM node as the argument, but got ${typeof item}`);
}
return this.assert(actual.contains(item), "expected #{this} to contain element #{exp}", "expected #{this} not to contain element #{exp}", item, actual);
}
if (typeof DOMTokenList !== "undefined" && actual instanceof DOMTokenList) {
assertTypes(item, "class name", ["string"]);
const isNot = utils.flag(this, "negate");
const expectedClassList = isNot ? actual.value.replace(item, "").trim() : `${actual.value} ${item}`;
return this.assert(actual.contains(item), `expected "${actual.value}" to contain "${item}"`, `expected "${actual.value}" not to contain "${item}"`, expectedClassList, actual.value);
}
// handle simple case on our own using `this.assert` to include diff in error message
if (typeof actual === "string" && typeof item === "string") {
return this.assert(actual.includes(item), `expected #{this} to contain #{exp}`, `expected #{this} not to contain #{exp}`, item, actual);
}
// make "actual" indexable to have compatibility with jest
if (actual != null && typeof actual !== "string") {
utils.flag(this, "object", Array.from(actual));
}
return this.contain(item);
});
def("toContainEqual", function(expected) {
const obj = utils.flag(this, "object");
const index = Array.from(obj).findIndex((item) => {
return equals(item, expected, customTesters);
});
this.assert(index !== -1, "expected #{this} to deep equally contain #{exp}", "expected #{this} to not deep equally contain #{exp}", expected);
});
def("toBeTruthy", function() {
const obj = utils.flag(this, "object");
this.assert(Boolean(obj), "expected #{this} to be truthy", "expected #{this} to not be truthy", true, obj);
});
def("toBeFalsy", function() {
const obj = utils.flag(this, "object");
this.assert(!obj, "expected #{this} to be falsy", "expected #{this} to not be falsy", false, obj);
});
def("toBeGreaterThan", function(expected) {
const actual = this._obj;
assertTypes(actual, "actual", ["number", "bigint"]);
assertTypes(expected, "expected", ["number", "bigint"]);
return this.assert(actual > expected, `expected ${actual} to be greater than ${expected}`, `expected ${actual} to be not greater than ${expected}`, expected, actual, false);
});
def("toBeGreaterThanOrEqual", function(expected) {
const actual = this._obj;
assertTypes(actual, "actual", ["number", "bigint"]);
assertTypes(expected, "expected", ["number", "bigint"]);
return this.assert(actual >= expected, `expected ${actual} to be greater than or equal to ${expected}`, `expected ${actual} to be not greater than or equal to ${expected}`, expected, actual, false);
});
def("toBeLessThan", function(expected) {
const actual = this._obj;
assertTypes(actual, "actual", ["number", "bigint"]);
assertTypes(expected, "expected", ["number", "bigint"]);
return this.assert(actual < expected, `expected ${actual} to be less than ${expected}`, `expected ${actual} to be not less than ${expected}`, expected, actual, false);
});
def("toBeLessThanOrEqual", function(expected) {
const actual = this._obj;
assertTypes(actual, "actual", ["number", "bigint"]);
assertTypes(expected, "expected", ["number", "bigint"]);
return this.assert(actual <= expected, `expected ${actual} to be less than or equal to ${expected}`, `expected ${actual} to be not less than or equal to ${expected}`, expected, actual, false);
});
def("toBeNaN", function() {
const obj = utils.flag(this, "object");
this.assert(Number.isNaN(obj), "expected #{this} to be NaN", "expected #{this} not to be NaN", Number.NaN, obj);
});
def("toBeUndefined", function() {
const obj = utils.flag(this, "object");
this.assert(undefined === obj, "expected #{this} to be undefined", "expected #{this} not to be undefined", undefined, obj);
});
def("toBeNull", function() {
const obj = utils.flag(this, "object");
this.assert(obj === null, "expected #{this} to be null", "expected #{this} not to be null", null, obj);
});
def("toBeNullable", function() {
const obj = utils.flag(this, "object");
this.assert(obj == null, "expected #{this} to be nullish", "expected #{this} not to be nullish", null, obj);
});
def("toBeDefined", function() {
const obj = utils.flag(this, "object");
this.assert(typeof obj !== "undefined", "expected #{this} to be defined", "expected #{this} to be undefined", obj);
});
def("toBeTypeOf", function(expected) {
const actual = typeof this._obj;
const equal = expected === actual;
return this.assert(equal, "expected #{this} to be type of #{exp}", "expected #{this} not to be type of #{exp}", expected, actual);
});
def("toBeInstanceOf", function(obj) {
return this.instanceOf(obj);
});
def("toHaveLength", function(length) {
return this.have.length(length);
});
// destructuring, because it checks `arguments` inside, and value is passing as `undefined`
def("toHaveProperty", function(...args) {
if (Array.isArray(args[0])) {
args[0] = args[0].map((key) => String(key).replace(/([.[\]])/g, "\\$1")).join(".");
}
const actual = this._obj;
const [propertyName, expected] = args;
const getValue = () => {
const hasOwn = Object.hasOwn(actual, propertyName);
if (hasOwn) {
return {
value: actual[propertyName],
exists: true
};
}
return utils.getPathInfo(actual, propertyName);
};
const { value, exists } = getValue();
const pass = exists && (args.length === 1 || equals(expected, value, customTesters));
const valueString = args.length === 1 ? "" : ` with value ${utils.objDisplay(expected)}`;
return this.assert(pass, `expected #{this} to have property "${propertyName}"${valueString}`, `expected #{this} to not have property "${propertyName}"${valueString}`, expected, exists ? value : undefined);
});
def("toBeCloseTo", function(received, precision = 2) {
const expected = this._obj;
let pass = false;
let expectedDiff = 0;
let receivedDiff = 0;
if (received === Number.POSITIVE_INFINITY && expected === Number.POSITIVE_INFINITY) {
pass = true;
} else if (received === Number.NEGATIVE_INFINITY && expected === Number.NEGATIVE_INFINITY) {
pass = true;
} else {
expectedDiff = 10 ** -precision / 2;
receivedDiff = Math.abs(expected - received);
pass = receivedDiff < expectedDiff;
}
return this.assert(pass, `expected #{this} to be close to #{exp}, received difference is ${receivedDiff}, but expected ${expectedDiff}`, `expected #{this} to not be close to #{exp}, received difference is ${receivedDiff}, but expected ${expectedDiff}`, received, expected, false);
});
function assertIsMock(assertion) {
if (!isMockFunction(assertion._obj)) {
throw new TypeError(`${utils.inspect(assertion._obj)} is not a spy or a call to a spy!`);
}
}
function getSpy(assertion) {
assertIsMock(assertion);
return assertion._obj;
}
def(["toHaveBeenCalledTimes", "toBeCalledTimes"], function(number) {
const spy = getSpy(this);
const spyName = spy.getMockName();
const callCount = spy.mock.calls.length;
return this.assert(callCount === number, `expected "${spyName}" to be called #{exp} times, but got ${callCount} times`, `expected "${spyName}" to not be called #{exp} times`, number, callCount, false);
});
def("toHaveBeenCalledOnce", function() {
const spy = getSpy(this);
const spyName = spy.getMockName();
const callCount = spy.mock.calls.length;
return this.assert(callCount === 1, `expected "${spyName}" to be called once, but got ${callCount} times`, `expected "${spyName}" to not be called once`, 1, callCount, false);
});
def(["toHaveBeenCalled", "toBeCalled"], function() {
const spy = getSpy(this);
const spyName = spy.getMockName();
const callCount = spy.mock.calls.length;
const called = callCount > 0;
const isNot = utils.flag(this, "negate");
let msg = utils.getMessage(this, [
called,
`expected "${spyName}" to be called at least once`,
`expected "${spyName}" to not be called at all, but actually been called ${callCount} times`,
true,
called
]);
if (called && isNot) {
msg = formatCalls(spy, msg);
}
if (called && isNot || !called && !isNot) {
throw new AssertionError(msg);
}
});
// manually compare array elements since `jestEquals` cannot
// apply asymmetric matcher to `undefined` array element.
function equalsArgumentArray(a, b) {
return a.length === b.length && a.every((aItem, i) => equals(aItem, b[i], [...customTesters, iterableEquality]));
}
def(["toHaveBeenCalledWith", "toBeCalledWith"], function(...args) {
const spy = getSpy(this);
const spyName = spy.getMockName();
const pass = spy.mock.calls.some((callArg) => equalsArgumentArray(callArg, args));
const isNot = utils.flag(this, "negate");
const msg = utils.getMessage(this, [
pass,
`expected "${spyName}" to be called with arguments: #{exp}`,
`expected "${spyName}" to not be called with arguments: #{exp}`,
args
]);
if (pass && isNot || !pass && !isNot) {
throw new AssertionError(formatCalls(spy, msg, args));
}
});
def("toHaveBeenCalledExactlyOnceWith", function(...args) {
const spy = getSpy(this);
const spyName = spy.getMockName();
const callCount = spy.mock.calls.length;
const hasCallWithArgs = spy.mock.calls.some((callArg) => equalsArgumentArray(callArg, args));
const pass = hasCallWithArgs && callCount === 1;
const isNot = utils.flag(this, "negate");
const msg = utils.getMessage(this, [
pass,
`expected "${spyName}" to be called once with arguments: #{exp}`,
`expected "${spyName}" to not be called once with arguments: #{exp}`,
args
]);
if (pass && isNot || !pass && !isNot) {
throw new AssertionError(formatCalls(spy, msg, args));
}
});
def(["toHaveBeenNthCalledWith", "nthCalledWith"], function(times, ...args) {
const spy = getSpy(this);
const spyName = spy.getMockName();
const nthCall = spy.mock.calls[times - 1];
const callCount = spy.mock.calls.length;
const isCalled = times <= callCount;
this.assert(nthCall && equalsArgumentArray(nthCall, args), `expected ${ordinalOf(times)} "${spyName}" call to have been called with #{exp}${isCalled ? `` : `, but called only ${callCount} times`}`, `expected ${ordinalOf(times)} "${spyName}" call to not have been called with #{exp}`, args, nthCall, isCalled);
});
def(["toHaveBeenLastCalledWith", "lastCalledWith"], function(...args) {
const spy = getSpy(this);
const spyName = spy.getMockName();
const lastCall = spy.mock.calls.at(-1);
this.assert(lastCall && equalsArgumentArray(lastCall, args), `expected last "${spyName}" call to have been called with #{exp}`, `expected last "${spyName}" call to not have been called with #{exp}`, args, lastCall);
});
/**
* Used for `toHaveBeenCalledBefore` and `toHaveBeenCalledAfter` to determine if the expected spy was called before the result spy.
*/
function isSpyCalledBeforeAnotherSpy(beforeSpy, afterSpy, failIfNoFirstInvocation) {
const beforeInvocationCallOrder = beforeSpy.mock.invocationCallOrder;
const afterInvocationCallOrder = afterSpy.mock.invocationCallOrder;
if (beforeInvocationCallOrder.length === 0) {
return !failIfNoFirstInvocation;
}
if (afterInvocationCallOrder.length === 0) {
return false;
}
return beforeInvocationCallOrder[0] < afterInvocationCallOrder[0];
}
def(["toHaveBeenCalledBefore"], function(resultSpy, failIfNoFirstInvocation = true) {
const expectSpy = getSpy(this);
if (!isMockFunction(resultSpy)) {
throw new TypeError(`${utils.inspect(resultSpy)} is not a spy or a call to a spy`);
}
this.assert(isSpyCalledBeforeAnotherSpy(expectSpy, resultSpy, failIfNoFirstInvocation), `expected "${expectSpy.getMockName()}" to have been called before "${resultSpy.getMockName()}"`, `expected "${expectSpy.getMockName()}" to not have been called before "${resultSpy.getMockName()}"`, resultSpy, expectSpy);
});
def(["toHaveBeenCalledAfter"], function(resultSpy, failIfNoFirstInvocation = true) {
const expectSpy = getSpy(this);
if (!isMockFunction(resultSpy)) {
throw new TypeError(`${utils.inspect(resultSpy)} is not a spy or a call to a spy`);
}
this.assert(isSpyCalledBeforeAnotherSpy(resultSpy, expectSpy, failIfNoFirstInvocation), `expected "${expectSpy.getMockName()}" to have been called after "${resultSpy.getMockName()}"`, `expected "${expectSpy.getMockName()}" to not have been called after "${resultSpy.getMockName()}"`, resultSpy, expectSpy);
});
def(["toThrow", "toThrowError"], function(expected) {
if (typeof expected === "string" || typeof expected === "undefined" || expected instanceof RegExp) {
// Fixes the issue related to `chai` <https://github.com/vitest-dev/vitest/issues/6618>
return this.throws(expected === "" ? /^$/ : expected);
}
const obj = this._obj;
const promise = utils.flag(this, "promise");
const isNot = utils.flag(this, "negate");
let thrown = null;
if (promise === "rejects") {
thrown = obj;
} else if (promise === "resolves" && typeof obj !== "function") {
if (!isNot) {
const message = utils.flag(this, "message") || "expected promise to throw an error, but it didn't";
const error = { showDiff: false };
throw new AssertionError(message, error, utils.flag(this, "ssfi"));
} else {
return;
}
} else {
let isThrow = false;
try {
obj();
} catch (err) {
isThrow = true;
thrown = err;
}
if (!isThrow && !isNot) {
const message = utils.flag(this, "message") || "expected function to throw an error, but it didn't";
const error = { showDiff: false };
throw new AssertionError(message, error, utils.flag(this, "ssfi"));
}
}
if (typeof expected === "function") {
const name = expected.name || expected.prototype.constructor.name;
return this.assert(thrown && thrown instanceof expected, `expected error to be instance of ${name}`, `expected error not to be instance of ${name}`, expected, thrown);
}
if (expected instanceof Error) {
const equal = equals(thrown, expected, [...customTesters, iterableEquality]);
return this.assert(equal, "expected a thrown error to be #{exp}", "expected a thrown error not to be #{exp}", expected, thrown);
}
if (typeof expected === "object" && "asymmetricMatch" in expected && typeof expected.asymmetricMatch === "function") {
const matcher = expected;
return this.assert(thrown && matcher.asymmetricMatch(thrown), "expected error to match asymmetric matcher", "expected error not to match asymmetric matcher", matcher, thrown);
}
throw new Error(`"toThrow" expects string, RegExp, function, Error instance or asymmetric matcher, got "${typeof expected}"`);
});
[{
name: "toHaveResolved",
condition: (spy) => spy.mock.settledResults.length > 0 && spy.mock.settledResults.some(({ type }) => type === "fulfilled"),
action: "resolved"
}, {
name: ["toHaveReturned", "toReturn"],
condition: (spy) => spy.mock.calls.length > 0 && spy.mock.results.some(({ type }) => type !== "throw"),
action: "called"
}].forEach(({ name, condition, action }) => {
def(name, function() {
const spy = getSpy(this);
const spyName = spy.getMockName();
const pass = condition(spy);
this.assert(pass, `expected "${spyName}" to be successfully ${action} at least once`, `expected "${spyName}" to not be successfully ${action}`, pass, !pass, false);
});
});
[{
name: "toHaveResolvedTimes",
condition: (spy, times) => spy.mock.settledResults.reduce((s, { type }) => type === "fulfilled" ? ++s : s, 0) === times,
action: "resolved"
}, {
name: ["toHaveReturnedTimes", "toReturnTimes"],
condition: (spy, times) => spy.mock.results.reduce((s, { type }) => type === "throw" ? s : ++s, 0) === times,
action: "called"
}].forEach(({ name, condition, action }) => {
def(name, function(times) {
const spy = getSpy(this);
const spyName = spy.getMockName();
const pass = condition(spy, times);
this.assert(pass, `expected "${spyName}" to be successfully ${action} ${times} times`, `expected "${spyName}" to not be successfully ${action} ${times} times`, `expected resolved times: ${times}`, `received resolved times: ${pass}`, false);
});
});
[{
name: "toHaveResolvedWith",
condition: (spy, value) => spy.mock.settledResults.some(({ type, value: result }) => type === "fulfilled" && equals(value, result)),
action: "resolve"
}, {
name: ["toHaveReturnedWith", "toReturnWith"],
condition: (spy, value) => spy.mock.results.some(({ type, value: result }) => type === "return" && equals(value, result)),
action: "return"
}].forEach(({ name, condition, action }) => {
def(name, function(value) {
const spy = getSpy(this);
const pass = condition(spy, value);
const isNot = utils.flag(this, "negate");
if (pass && isNot || !pass && !isNot) {
const spyName = spy.getMockName();
const msg = utils.getMessage(this, [
pass,
`expected "${spyName}" to ${action} with: #{exp} at least once`,
`expected "${spyName}" to not ${action} with: #{exp}`,
value
]);
const results = action === "return" ? spy.mock.results : spy.mock.settledResults;
throw new AssertionError(formatReturns(spy, results, msg, value));
}
});
});
[{
name: "toHaveLastResolvedWith",
condition: (spy, value) => {
const result = spy.mock.settledResults.at(-1);
return Boolean(result && result.type === "fulfilled" && equals(result.value, value));
},
action: "resolve"
}, {
name: ["toHaveLastReturnedWith", "lastReturnedWith"],
condition: (spy, value) => {
const result = spy.mock.results.at(-1);
return Boolean(result && result.type === "return" && equals(result.value, value));
},
action: "return"
}].forEach(({ name, condition, action }) => {
def(name, function(value) {
const spy = getSpy(this);
const results = action === "return" ? spy.mock.results : spy.mock.settledResults;
const result = results.at(-1);
const spyName = spy.getMockName();
this.assert(condition(spy, value), `expected last "${spyName}" call to ${action} #{exp}`, `expected last "${spyName}" call to not ${action} #{exp}`, value, result === null || result === void 0 ? void 0 : result.value);
});
});
[{
name: "toHaveNthResolvedWith",
condition: (spy, index, value) => {
const result = spy.mock.settledResults[index - 1];
return result && result.type === "fulfilled" && equals(result.value, value);
},
action: "resolve"
}, {
name: ["toHaveNthReturnedWith", "nthReturnedWith"],
condition: (spy, index, value) => {
const result = spy.mock.results[index - 1];
return result && result.type === "return" && equals(result.value, value);
},
action: "return"
}].forEach(({ name, condition, action }) => {
def(name, function(nthCall, value) {
const spy = getSpy(this);
const spyName = spy.getMockName();
const results = action === "return" ? spy.mock.results : spy.mock.settledResults;
const result = results[nthCall - 1];
const ordinalCall = `${ordinalOf(nthCall)} call`;
this.assert(condition(spy, nthCall, value), `expected ${ordinalCall} "${spyName}" call to ${action} #{exp}`, `expected ${ordinalCall} "${spyName}" call to not ${action} #{exp}`, value, result === null || result === void 0 ? void 0 : result.value);
});
});
// @ts-expect-error @internal
def("withContext", function(context) {
for (const key in context) {
utils.flag(this, key, context[key]);
}
return this;
});
utils.addProperty(chai.Assertion.prototype, "resolves", function __VITEST_RESOLVES__() {
const error = new Error("resolves");
utils.flag(this, "promise", "resolves");
utils.flag(this, "error", error);
const test = utils.flag(this, "vitest-test");
const obj = utils.flag(this, "object");
if (utils.flag(this, "poll")) {
throw new SyntaxError(`expect.poll() is not supported in combination with .resolves`);
}
if (typeof (obj === null || obj === void 0 ? void 0 : obj.then) !== "function") {
throw new TypeError(`You must provide a Promise to expect() when using .resolves, not '${typeof obj}'.`);
}
const proxy = new Proxy(this, { get: (target, key, receiver) => {
const result = Reflect.get(target, key, receiver);
if (typeof result !== "function") {
return result instanceof chai.Assertion ? proxy : result;
}
return (...args) => {
utils.flag(this, "_name", key);
const promise = obj.then((value) => {
utils.flag(this, "object", value);
return result.call(this, ...args);
}, (err) => {
const _error = new AssertionError(`promise rejected "${utils.inspect(err)}" instead of resolving`, { showDiff: false });
_error.cause = err;
_error.stack = error.stack.replace(error.message, _error.message);
throw _error;
});
return recordAsyncExpect(test, promise, createAssertionMessage(utils, this, !!args.length), error);
};
} });
return proxy;
});
utils.addProperty(chai.Assertion.prototype, "rejects", function __VITEST_REJECTS__() {
const error = new Error("rejects");
utils.flag(this, "promise", "rejects");
utils.flag(this, "error", error);
const test = utils.flag(this, "vitest-test");
const obj = utils.flag(this, "object");
const wrapper = typeof obj === "function" ? obj() : obj;
if (utils.flag(this, "poll")) {
throw new SyntaxError(`expect.poll() is not supported in combination with .rejects`);
}
if (typeof (wrapper === null || wrapper === void 0 ? void 0 : wrapper.then) !== "function") {
throw new TypeError(`You must provide a Promise to expect() when using .rejects, not '${typeof wrapper}'.`);
}
const proxy = new Proxy(this, { get: (target, key, receiver) => {
const result = Reflect.get(target, key, receiver);
if (typeof result !== "function") {
return result instanceof chai.Assertion ? proxy : result;
}
return (...args) => {
utils.flag(this, "_name", key);
const promise = wrapper.then((value) => {
const _error = new AssertionError(`promise resolved "${utils.inspect(value)}" instead of rejecting`, {
showDiff: true,
expected: new Error("rejected promise"),
actual: value
});
_error.stack = error.stack.replace(error.message, _error.message);
throw _error;
}, (err) => {
utils.flag(this, "object", err);
return result.call(this, ...args);
});
return recordAsyncExpect(test, promise, createAssertionMessage(utils, this, !!args.length), error);
};
} });
return proxy;
});
};
function ordinalOf(i) {
const j = i % 10;
const k = i % 100;
if (j === 1 && k !== 11) {
return `${i}st`;
}
if (j === 2 && k !== 12) {
return `${i}nd`;
}
if (j === 3 && k !== 13) {
return `${i}rd`;
}
return `${i}th`;
}
function formatCalls(spy, msg, showActualCall) {
if (spy.mock.calls.length) {
msg += c.gray(`\n\nReceived: \n\n${spy.mock.calls.map((callArg, i) => {
let methodCall = c.bold(` ${ordinalOf(i + 1)} ${spy.getMockName()} call:\n\n`);
if (showActualCall) {
methodCall += diff(showActualCall, callArg, { omitAnnotationLines: true });
} else {
methodCall += stringify(callArg).split("\n").map((line) => ` ${line}`).join("\n");
}
methodCall += "\n";
return methodCall;
}).join("\n")}`);
}
msg += c.gray(`\n\nNumber of calls: ${c.bold(spy.mock.calls.length)}\n`);
return msg;
}
function formatReturns(spy, results, msg, showActualReturn) {
if (results.length) {
msg += c.gray(`\n\nReceived: \n\n${results.map((callReturn, i) => {
let methodCall = c.bold(` ${ordinalOf(i + 1)} ${spy.getMockName()} call return:\n\n`);
if (showActualReturn) {
methodCall += diff(showActualReturn, callReturn.value, { omitAnnotationLines: true });
} else {
methodCall += stringify(callReturn).split("\n").map((line) => ` ${line}`).join("\n");
}
methodCall += "\n";
return methodCall;
}).join("\n")}`);
}
msg += c.gray(`\n\nNumber of calls: ${c.bold(spy.mock.calls.length)}\n`);
return msg;
}
function getMatcherState(assertion, expect) {
const obj = assertion._obj;
const isNot = util.flag(assertion, "negate");
const promise = util.flag(assertion, "promise") || "";
const customMessage = util.flag(assertion, "message");
const jestUtils = {
...getMatcherUtils(),
diff,
stringify,
iterableEquality,
subsetEquality
};
let task = util.flag(assertion, "vitest-test");
const currentTestName = (task === null || task === void 0 ? void 0 : task.fullTestName) ?? "";
if ((task === null || task === void 0 ? void 0 : task.type) !== "test") {
task = undefined;
}
const matcherState = {
...getState(expect),
task,
currentTestName,
customTesters: getCustomEqualityTesters(),
isNot,
utils: jestUtils,
promise,
equals,
suppressedErrors: [],
soft: util.flag(assertion, "soft"),
poll: util.flag(assertion, "poll")
};
return {
state: matcherState,
isNot,
obj,
customMessage
};
}
class JestExtendError extends Error {
constructor(message, actual, expected) {
super(message);
this.actual = actual;
this.expected = expected;
}
}
function JestExtendPlugin(c, expect, matchers) {
return (_, utils) => {
Object.entries(matchers).forEach(([expectAssertionName, expectAssertion]) => {
function expectWrapper(...args) {
const { state, isNot, obj, customMessage } = getMatcherState(this, expect);
const result = expectAssertion.call(state, obj, ...args);
if (result && typeof result === "object" && typeof result.then === "function") {
const thenable = result;
return thenable.then(({ pass, message, actual, expected }) => {
if (pass && isNot || !pass && !isNot) {
const errorMessage = customMessage != null ? customMessage : message();
throw new JestExtendError(errorMessage, actual, expected);
}
});
}
const { pass, message, actual, expected } = result;
if (pass && isNot || !pass && !isNot) {
const errorMessage = customMessage != null ? customMessage : message();
throw new JestExtendError(errorMessage, actual, expected);
}
}
const softWrapper = wrapAssertion(utils, expectAssertionName, expectWrapper);
utils.addMethod(globalThis[JEST_MATCHERS_OBJECT].matchers, expectAssertionName, softWrapper);
utils.addMethod(c.Assertion.prototype, expectAssertionName, softWrapper);
class CustomMatcher extends AsymmetricMatcher {
constructor(inverse = false, ...sample) {
super(sample, inverse);
}
asymmetricMatch(other) {
const { pass } = expectAssertion.call(this.getMatcherContext(expect), other, ...this.sample);
return this.inverse ? !pass : pass;
}
toString() {
return `${this.inverse ? "not." : ""}${expectAssertionName}`;
}
getExpectedType() {
return "any";
}
toAsymmetricMatcher() {
return `${this.toString()}<${this.sample.map((item) => stringify(item)).join(", ")}>`;
}
}
const customMatcher = (...sample) => new CustomMatcher(false, ...sample);
Object.defineProperty(expect, expectAssertionName, {
configurable: true,
enumerable: true,
value: customMatcher,
writable: true
});
Object.defineProperty(expect.not, expectAssertionName, {
configurable: true,
enumerable: true,
value: (...sample) => new CustomMatcher(true, ...sample),
writable: true
});
// keep track of asymmetric matchers on global so that it can be copied over to local context's `expect`.
// note that the negated variant is automatically shared since it's assigned on the single `expect.not` object.
Object.defineProperty(globalThis[ASYMMETRIC_MATCHERS_OBJECT], expectAssertionName, {
configurable: true,
enumerable: true,
value: customMatcher,
writable: true
});
});
};
}
const JestExtend = (chai, utils) => {
utils.addMethod(chai.expect, "extend", (expect, expects) => {
use(JestExtendPlugin(chai, expect, expects));
});
};
export { ASYMMETRIC_MATCHERS_OBJECT, Any, Anything, ArrayContaining, AsymmetricMatcher, GLOBAL_EXPECT, JEST_MATCHERS_OBJECT, JestAsymmetricMatchers, JestChaiExpect, JestExtend, MATCHERS_OBJECT, ObjectContaining, SchemaMatching, StringContaining, StringMatching, addCustomEqualityTesters, arrayBufferEquality, customMatchers, equals, fnNameFor, generateToBeMessage, getObjectKeys, getObjectSubset, getState, hasAsymmetric, hasProperty, isA, isAsymmetric, isImmutableUnorderedKeyed, isImmutableUnorderedSet, isStandardSchema, iterableEquality, pluralize, setState, sparseArrayEquality, subsetEquality, typeEquality };
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