print.js
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'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.printReceivedConstructorNameNot = exports.printReceivedConstructorName = exports.printExpectedConstructorNameNot = exports.printExpectedConstructorName = exports.printCloseTo = exports.printReceivedArrayContainExpectedItem = exports.printReceivedStringContainExpectedResult = exports.printReceivedStringContainExpectedSubstring = void 0;
var _jestMatcherUtils = require('jest-matcher-utils');
/**
* 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.
*
*/
/* eslint-disable local/ban-types-eventually */
// Format substring but do not enclose in double quote marks.
// The replacement is compatible with pretty-format package.
const printSubstring = val => val.replace(/"|\\/g, '\\$&');
const printReceivedStringContainExpectedSubstring = (received, start, length) =>
(0, _jestMatcherUtils.RECEIVED_COLOR)(
'"' +
printSubstring(received.slice(0, start)) +
(0, _jestMatcherUtils.INVERTED_COLOR)(
printSubstring(received.slice(start, start + length))
) +
printSubstring(received.slice(start + length)) +
'"'
);
exports.printReceivedStringContainExpectedSubstring = printReceivedStringContainExpectedSubstring;
const printReceivedStringContainExpectedResult = (received, result) =>
result === null
? (0, _jestMatcherUtils.printReceived)(received)
: printReceivedStringContainExpectedSubstring(
received,
result.index,
result[0].length
); // The serialized array is compatible with pretty-format package min option.
// However, items have default stringify depth (instead of depth - 1)
// so expected item looks consistent by itself and enclosed in the array.
exports.printReceivedStringContainExpectedResult = printReceivedStringContainExpectedResult;
const printReceivedArrayContainExpectedItem = (received, index) =>
(0, _jestMatcherUtils.RECEIVED_COLOR)(
'[' +
received
.map((item, i) => {
const stringified = (0, _jestMatcherUtils.stringify)(item);
return i === index
? (0, _jestMatcherUtils.INVERTED_COLOR)(stringified)
: stringified;
})
.join(', ') +
']'
);
exports.printReceivedArrayContainExpectedItem = printReceivedArrayContainExpectedItem;
const printCloseTo = (receivedDiff, expectedDiff, precision, isNot) => {
const receivedDiffString = (0, _jestMatcherUtils.stringify)(receivedDiff);
const expectedDiffString = receivedDiffString.includes('e') // toExponential arg is number of digits after the decimal point.
? expectedDiff.toExponential(0)
: 0 <= precision && precision < 20 // toFixed arg is number of digits after the decimal point.
? // It may be a value between 0 and 20 inclusive.
// Implementations may optionally support a larger range of values.
expectedDiff.toFixed(precision + 1)
: (0, _jestMatcherUtils.stringify)(expectedDiff);
return (
`Expected precision: ${isNot ? ' ' : ''} ${(0,
_jestMatcherUtils.stringify)(precision)}\n` +
`Expected difference: ${isNot ? 'not ' : ''}< ${(0,
_jestMatcherUtils.EXPECTED_COLOR)(expectedDiffString)}\n` +
`Received difference: ${isNot ? ' ' : ''} ${(0,
_jestMatcherUtils.RECEIVED_COLOR)(receivedDiffString)}`
);
};
exports.printCloseTo = printCloseTo;
const printExpectedConstructorName = (label, expected) =>
printConstructorName(label, expected, false, true) + '\n';
exports.printExpectedConstructorName = printExpectedConstructorName;
const printExpectedConstructorNameNot = (label, expected) =>
printConstructorName(label, expected, true, true) + '\n';
exports.printExpectedConstructorNameNot = printExpectedConstructorNameNot;
const printReceivedConstructorName = (label, received) =>
printConstructorName(label, received, false, false) + '\n'; // Do not call function if received is equal to expected.
exports.printReceivedConstructorName = printReceivedConstructorName;
const printReceivedConstructorNameNot = (label, received, expected) =>
typeof expected.name === 'string' &&
expected.name.length !== 0 &&
typeof received.name === 'string' &&
received.name.length !== 0
? printConstructorName(label, received, true, false) +
` ${
Object.getPrototypeOf(received) === expected
? 'extends'
: 'extends … extends'
} ${(0, _jestMatcherUtils.EXPECTED_COLOR)(expected.name)}` +
'\n'
: printConstructorName(label, received, false, false) + '\n';
exports.printReceivedConstructorNameNot = printReceivedConstructorNameNot;
const printConstructorName = (label, constructor, isNot, isExpected) =>
typeof constructor.name !== 'string'
? `${label} name is not a string`
: constructor.name.length === 0
? `${label} name is an empty string`
: `${label}: ${!isNot ? '' : isExpected ? 'not ' : ' '}${
isExpected
? (0, _jestMatcherUtils.EXPECTED_COLOR)(constructor.name)
: (0, _jestMatcherUtils.RECEIVED_COLOR)(constructor.name)
}`;