// Currently in sync with Node.js lib/internal/assert/assertion_error.js
// https://github.com/nodejs/node/commit/0817840f775032169ddd70c85ac059f18ffcc81c
'use strict';
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _wrapNativeSuper(Class) { var _cache = typeof Map === "function" ? new Map() : undefined; _wrapNativeSuper = function _wrapNativeSuper(Class) { if (Class === null || !_isNativeFunction(Class)) return Class; if (typeof Class !== "function") { throw new TypeError("Super expression must either be null or a function"); } if (typeof _cache !== "undefined") { if (_cache.has(Class)) return _cache.get(Class); _cache.set(Class, Wrapper); } function Wrapper() { return _construct(Class, arguments, _getPrototypeOf(this).constructor); } Wrapper.prototype = Object.create(Class.prototype, { constructor: { value: Wrapper, enumerable: false, writable: true, configurable: true } }); return _setPrototypeOf(Wrapper, Class); }; return _wrapNativeSuper(Class); }
function _construct(Parent, args, Class) { if (_isNativeReflectConstruct()) { _construct = Reflect.construct.bind(); } else { _construct = function _construct(Parent, args, Class) { var a = [null]; a.push.apply(a, args); var Constructor = Function.bind.apply(Parent, a); var instance = new Constructor(); if (Class) _setPrototypeOf(instance, Class.prototype); return instance; }; } return _construct.apply(null, arguments); }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
function _isNativeFunction(fn) { return Function.toString.call(fn).indexOf("[native code]") !== -1; }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
var _require = require('util/'),
inspect = _require.inspect;
var _require2 = require('../errors'),
ERR_INVALID_ARG_TYPE = _require2.codes.ERR_INVALID_ARG_TYPE; // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/endsWith
function endsWith(str, search, this_len) {
if (this_len === undefined || this_len > str.length) {
this_len = str.length;
}
return str.substring(this_len - search.length, this_len) === search;
} // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/repeat
function repeat(str, count) {
count = Math.floor(count);
if (str.length == 0 || count == 0) return '';
var maxCount = str.length * count;
count = Math.floor(Math.log(count) / Math.log(2));
while (count) {
str += str;
count--;
}
str += str.substring(0, maxCount - str.length);
return str;
}
var blue = '';
var green = '';
var red = '';
var white = '';
var kReadableOperator = {
deepStrictEqual: 'Expected values to be strictly deep-equal:',
strictEqual: 'Expected values to be strictly equal:',
strictEqualObject: 'Expected "actual" to be reference-equal to "expected":',
deepEqual: 'Expected values to be loosely deep-equal:',
equal: 'Expected values to be loosely equal:',
notDeepStrictEqual: 'Expected "actual" not to be strictly deep-equal to:',
notStrictEqual: 'Expected "actual" to be strictly unequal to:',
notStrictEqualObject: 'Expected "actual" not to be reference-equal to "expected":',
notDeepEqual: 'Expected "actual" not to be loosely deep-equal to:',
notEqual: 'Expected "actual" to be loosely unequal to:',
notIdentical: 'Values identical but not reference-equal:'
}; // Comparing short primitives should just show === / !== instead of using the
// diff.
var kMaxShortLength = 10;
function copyError(source) {
var keys = Object.keys(source);
var target = Object.create(Object.getPrototypeOf(source));
keys.forEach(function (key) {
target[key] = source[key];
});
Object.defineProperty(target, 'message', {
value: source.message
});
return target;
}
function inspectValue(val) {
// The util.inspect default values could be changed. This makes sure the
// error messages contain the necessary information nevertheless.
return inspect(val, {
compact: false,
customInspect: false,
depth: 1000,
maxArrayLength: Infinity,
// Assert compares only enumerable properties (with a few exceptions).
showHidden: false,
// Having a long line as error is better than wrapping the line for
// comparison for now.
// TODO(BridgeAR): `breakLength` should be limited as soon as soon as we
// have meta information about the inspected properties (i.e., know where
// in what line the property starts and ends).
breakLength: Infinity,
// Assert does not detect proxies currently.
showProxy: false,
sorted: true,
// Inspect getters as we also check them when comparing entries.
getters: true
});
}
function createErrDiff(actual, expected, operator) {
var other = '';
var res = '';
var lastPos = 0;
var end = '';
var skipped = false;
var actualInspected = inspectValue(actual);
var actualLines = actualInspected.split('\n');
var expectedLines = inspectValue(expected).split('\n');
var i = 0;
var indicator = ''; // In case both values are objects explicitly mark them as not reference equal
// for the `strictEqual` operator.
if (operator === 'strictEqual' && _typeof(actual) === 'object' && _typeof(expected) === 'object' && actual !== null && expected !== null) {
operator = 'strictEqualObject';
} // If "actual" and "expected" fit on a single line and they are not strictly
// equal, check further special handling.
if (actualLines.length === 1 && expectedLines.length === 1 && actualLines[0] !== expectedLines[0]) {
var inputLength = actualLines[0].length + expectedLines[0].length; // If the character length of "actual" and "expected" together is less than
// kMaxShortLength and if neither is an object and at least one of them is
// not `zero`, use the strict equal comparison to visualize the output.
if (inputLength <= kMaxShortLength) {
if ((_typeof(actual) !== 'object' || actual === null) && (_typeof(expected) !== 'object' || expected === null) && (actual !== 0 || expected !== 0)) {
// -0 === +0
return "".concat(kReadableOperator[operator], "\n\n") + "".concat(actualLines[0], " !== ").concat(expectedLines[0], "\n");
}
} else if (operator !== 'strictEqualObject') {
// If the stderr is a tty and the input length is lower than the current
// columns per line, add a mismatch indicator below the output. If it is
// not a tty, use a default value of 80 characters.
var maxLength = process.stderr && process.stderr.isTTY ? process.stderr.columns : 80;
if (inputLength < maxLength) {
while (actualLines[0][i] === expectedLines[0][i]) {
i++;
} // Ignore the first characters.
if (i > 2) {
// Add position indicator for the first mismatch in case it is a
// single line and the input length is less than the column length.
indicator = "\n ".concat(repeat(' ', i), "^");
i = 0;
}
}
}
} // Remove all ending lines that match (this optimizes the output for
// readability by reducing the number of total changed lines).
var a = actualLines[actualLines.length - 1];
var b = expectedLines[expectedLines.length - 1];
while (a === b) {
if (i++ < 2) {
end = "\n ".concat(a).concat(end);
} else {
other = a;
}
actualLines.pop();
expectedLines.pop();
if (actualLines.length === 0 || expectedLines.length === 0) break;
a = actualLines[actualLines.length - 1];
b = expectedLines[expectedLines.length - 1];
}
var maxLines = Math.max(actualLines.length, expectedLines.length); // Strict equal with identical objects that are not identical by reference.
// E.g., assert.deepStrictEqual({ a: Symbol() }, { a: Symbol() })
if (maxLines === 0) {
// We have to get the result again. The lines were all removed before.
var _actualLines = actualInspected.split('\n'); // Only remove lines in case it makes sense to collapse those.
// TODO: Accept env to always show the full error.
if (_actualLines.length > 30) {
_actualLines[26] = "".concat(blue, "...").concat(white);
while (_actualLines.length > 27) {
_actualLines.pop();
}
}
return "".concat(kReadableOperator.notIdentical, "\n\n").concat(_actualLines.join('\n'), "\n");
}
if (i > 3) {
end = "\n".concat(blue, "...").concat(white).concat(end);
skipped = true;
}
if (other !== '') {
end = "\n ".concat(other).concat(end);
other = '';
}
var printedLines = 0;
var msg = kReadableOperator[operator] + "\n".concat(green, "+ actual").concat(white, " ").concat(red, "- expected").concat(white);
var skippedMsg = " ".concat(blue, "...").concat(white, " Lines skipped");
for (i = 0; i < maxLines; i++) {
// Only extra expected lines exist
var cur = i - lastPos;
if (actualLines.length < i + 1) {
// If the last diverging line is more than one line above and the
// current line is at least line three, add some of the former lines and
// also add dots to indicate skipped entries.
if (cur > 1 && i > 2) {
if (cur > 4) {
res += "\n".concat(blue, "...").concat(white);
skipped = true;
} else if (cur > 3) {
res += "\n ".concat(expectedLines[i - 2]);
printedLines++;
}
res += "\n ".concat(expectedLines[i - 1]);
printedLines++;
} // Mark the current line as the last diverging one.
lastPos = i; // Add the expected line to the cache.
other += "\n".concat(red, "-").concat(white, " ").concat(expectedLines[i]);
printedLines++; // Only extra actual lines exist
} else if (expectedLines.length < i + 1) {
// If the last diverging line is more than one line above and the
// current line is at least line three, add some of the former lines and
// also add dots to indicate skipped entries.
if (cur > 1 && i > 2) {
if (cur > 4) {
res += "\n".concat(blue, "...").concat(white);
skipped = true;
} else if (cur > 3) {
res += "\n ".concat(actualLines[i - 2]);
printedLines++;
}
res += "\n ".concat(actualLines[i - 1]);
printedLines++;
} // Mark the current line as the last diverging one.
lastPos = i; // Add the actual line to the result.
res += "\n".concat(green, "+").concat(white, " ").concat(actualLines[i]);
printedLines++; // Lines diverge
} else {
var expectedLine = expectedLines[i];
var actualLine = actualLines[i]; // If the lines diverge, specifically check for lines that only diverge by
// a trailing comma. In that case it is actually identical and we should
// mark it as such.
var divergingLines = actualLine !== expectedLine && (!endsWith(actualLine, ',') || actualLine.slice(0, -1) !== expectedLine); // If the expected line has a trailing comma but is otherwise identical,
// add a comma at the end of the actual line. Otherwise the output could
// look weird as in:
//
// [
// 1 // No comma at the end!
// + 2
// ]
//
if (divergingLines && endsWith(expectedLine, ',') && expectedLine.slice(0, -1) === actualLine) {
divergingLines = false;
actualLine += ',';
}
if (divergingLines) {
// If the last diverging line is more than one line above and the
// current line is at least line three, add some of the former lines and
// also add dots to indicate skipped entries.
if (cur > 1 && i > 2) {
if (cur > 4) {
res += "\n".concat(blue, "...").concat(white);
skipped = true;
} else if (cur > 3) {
res += "\n ".concat(actualLines[i - 2]);
printedLines++;
}
res += "\n ".concat(actualLines[i - 1]);
printedLines++;
} // Mark the current line as the last diverging one.
lastPos = i; // Add the actual line to the result and cache the expected diverging
// line so consecutive diverging lines show up as +++--- and not +-+-+-.
res += "\n".concat(green, "+").concat(white, " ").concat(actualLine);
other += "\n".concat(red, "-").concat(white, " ").concat(expectedLine);
printedLines += 2; // Lines are identical
} else {
// Add all cached information to the result before adding other things
// and reset the cache.
res += other;
other = ''; // If the last diverging line is exactly one line above or if it is the
// very first line, add the line to the result.
if (cur === 1 || i === 0) {
res += "\n ".concat(actualLine);
printedLines++;
}
}
} // Inspected object to big (Show ~20 rows max)
if (printedLines > 20 && i < maxLines - 2) {
return "".concat(msg).concat(skippedMsg, "\n").concat(res, "\n").concat(blue, "...").concat(white).concat(other, "\n") + "".concat(blue, "...").concat(white);
}
}
return "".concat(msg).concat(skipped ? skippedMsg : '', "\n").concat(res).concat(other).concat(end).concat(indicator);
}
var AssertionError = /*#__PURE__*/function (_Error, _inspect$custom) {
_inherits(AssertionError, _Error);
var _super = _createSuper(AssertionError);
function AssertionError(options) {
var _this;
_classCallCheck(this, AssertionError);
if (_typeof(options) !== 'object' || options === null) {
throw new ERR_INVALID_ARG_TYPE('options', 'Object', options);
}
var message = options.message,
operator = options.operator,
stackStartFn = options.stackStartFn;
var actual = options.actual,
expected = options.expected;
var limit = Error.stackTraceLimit;
Error.stackTraceLimit = 0;
if (message != null) {
_this = _super.call(this, String(message));
} else {
if (process.stderr && process.stderr.isTTY) {
// Reset on each call to make sure we handle dynamically set environment
// variables correct.
if (process.stderr && process.stderr.getColorDepth && process.stderr.getColorDepth() !== 1) {
blue = "\x1B[34m";
green = "\x1B[32m";
white = "\x1B[39m";
red = "\x1B[31m";
} else {
blue = '';
green = '';
white = '';
red = '';
}
} // Prevent the error stack from being visible by duplicating the error
// in a very close way to the original in case both sides are actually
// instances of Error.
if (_typeof(actual) === 'object' && actual !== null && _typeof(expected) === 'object' && expected !== null && 'stack' in actual && actual instanceof Error && 'stack' in expected && expected instanceof Error) {
actual = copyError(actual);
expected = copyError(expected);
}
if (operator === 'deepStrictEqual' || operator === 'strictEqual') {
_this = _super.call(this, createErrDiff(actual, expected, operator));
} else if (operator === 'notDeepStrictEqual' || operator === 'notStrictEqual') {
// In case the objects are equal but the operator requires unequal, show
// the first object and say A equals B
var base = kReadableOperator[operator];
var res = inspectValue(actual).split('\n'); // In case "actual" is an object, it should not be reference equal.
if (operator === 'notStrictEqual' && _typeof(actual) === 'object' && actual !== null) {
base = kReadableOperator.notStrictEqualObject;
} // Only remove lines in case it makes sense to collapse those.
// TODO: Accept env to always show the full error.
if (res.length > 30) {
res[26] = "".concat(blue, "...").concat(white);
while (res.length > 27) {
res.pop();
}
} // Only print a single input.
if (res.length === 1) {
_this = _super.call(this, "".concat(base, " ").concat(res[0]));
} else {
_this = _super.call(this, "".concat(base, "\n\n").concat(res.join('\n'), "\n"));
}
} else {
var _res = inspectValue(actual);
var other = '';
var knownOperators = kReadableOperator[operator];
if (operator === 'notDeepEqual' || operator === 'notEqual') {
_res = "".concat(kReadableOperator[operator], "\n\n").concat(_res);
if (_res.length > 1024) {
_res = "".concat(_res.slice(0, 1021), "...");
}
} else {
other = "".concat(inspectValue(expected));
if (_res.length > 512) {
_res = "".concat(_res.slice(0, 509), "...");
}
if (other.length > 512) {
other = "".concat(other.slice(0, 509), "...");
}
if (operator === 'deepEqual' || operator === 'equal') {
_res = "".concat(knownOperators, "\n\n").concat(_res, "\n\nshould equal\n\n");
} else {
other = " ".concat(operator, " ").concat(other);
}
}
_this = _super.call(this, "".concat(_res).concat(other));
}
}
Error.stackTraceLimit = limit;
_this.generatedMessage = !message;
Object.defineProperty(_assertThisInitialized(_this), 'name', {
value: 'AssertionError [ERR_ASSERTION]',
enumerable: false,
writable: true,
configurable: true
});
_this.code = 'ERR_ASSERTION';
_this.actual = actual;
_this.expected = expected;
_this.operator = operator;
if (Error.captureStackTrace) {
// eslint-disable-next-line no-restricted-syntax
Error.captureStackTrace(_assertThisInitialized(_this), stackStartFn);
} // Create error message including the error code in the name.
_this.stack; // Reset the name.
_this.name = 'AssertionError';
return _possibleConstructorReturn(_this);
}
_createClass(AssertionError, [{
key: "toString",
value: function toString() {
return "".concat(this.name, " [").concat(this.code, "]: ").concat(this.message);
}
}, {
key: _inspect$custom,
value: function value(recurseTimes, ctx) {
// This limits the `actual` and `expected` property default inspection to
// the minimum depth. Otherwise those values would be too verbose compared
// to the actual error message which contains a combined view of these two
// input values.
return inspect(this, _objectSpread(_objectSpread({}, ctx), {}, {
customInspect: false,
depth: 0
}));
}
}]);
return AssertionError;
}( /*#__PURE__*/_wrapNativeSuper(Error), inspect.custom);
module.exports = AssertionError; |