408 lines
11 KiB
JavaScript
408 lines
11 KiB
JavaScript
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'use strict';
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Object.defineProperty(exports, '__esModule', {
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value: true
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});
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exports.printSnapshotAndReceived =
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exports.printReceived =
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exports.printPropertiesAndReceived =
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exports.printExpected =
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exports.noColor =
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exports.matcherHintFromConfig =
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exports.getSnapshotColorForChalkInstance =
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exports.getReceivedColorForChalkInstance =
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exports.bReceivedColor =
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exports.aSnapshotColor =
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exports.SNAPSHOT_ARG =
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exports.PROPERTIES_ARG =
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exports.HINT_ARG =
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void 0;
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var _chalk = _interopRequireDefault(require('chalk'));
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var _utils = require('expect/build/utils');
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var _jestDiff = require('jest-diff');
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var _jestGetType = require('jest-get-type');
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var _jestMatcherUtils = require('jest-matcher-utils');
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var _prettyFormat = require('pretty-format');
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var _colors = require('./colors');
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var _dedentLines = require('./dedentLines');
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var _utils2 = require('./utils');
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function _interopRequireDefault(obj) {
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return obj && obj.__esModule ? obj : {default: obj};
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}
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/**
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* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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/* eslint-disable local/ban-types-eventually */
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// Temporary hack because getObjectSubset has known limitations,
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// is not in the public interface of the expect package,
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// and the long-term goal is to use a non-serialization diff.
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// Make sure to remove file from `exports` in `expect/package.json`.
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const getSnapshotColorForChalkInstance = chalkInstance => {
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const level = chalkInstance.level;
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if (level === 3) {
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return chalkInstance
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.rgb(
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_colors.aForeground3[0],
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_colors.aForeground3[1],
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_colors.aForeground3[2]
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)
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.bgRgb(
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_colors.aBackground3[0],
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_colors.aBackground3[1],
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_colors.aBackground3[2]
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);
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}
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if (level === 2) {
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return chalkInstance
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.ansi256(_colors.aForeground2)
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.bgAnsi256(_colors.aBackground2);
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}
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return chalkInstance.magenta.bgYellowBright;
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};
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exports.getSnapshotColorForChalkInstance = getSnapshotColorForChalkInstance;
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const getReceivedColorForChalkInstance = chalkInstance => {
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const level = chalkInstance.level;
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if (level === 3) {
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return chalkInstance
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.rgb(
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_colors.bForeground3[0],
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_colors.bForeground3[1],
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_colors.bForeground3[2]
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)
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.bgRgb(
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_colors.bBackground3[0],
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_colors.bBackground3[1],
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_colors.bBackground3[2]
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);
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}
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if (level === 2) {
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return chalkInstance
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.ansi256(_colors.bForeground2)
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.bgAnsi256(_colors.bBackground2);
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}
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return chalkInstance.cyan.bgWhiteBright; // also known as teal
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};
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exports.getReceivedColorForChalkInstance = getReceivedColorForChalkInstance;
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const aSnapshotColor = getSnapshotColorForChalkInstance(_chalk.default);
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exports.aSnapshotColor = aSnapshotColor;
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const bReceivedColor = getReceivedColorForChalkInstance(_chalk.default);
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exports.bReceivedColor = bReceivedColor;
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const noColor = string => string;
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exports.noColor = noColor;
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const HINT_ARG = 'hint';
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exports.HINT_ARG = HINT_ARG;
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const SNAPSHOT_ARG = 'snapshot';
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exports.SNAPSHOT_ARG = SNAPSHOT_ARG;
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const PROPERTIES_ARG = 'properties';
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exports.PROPERTIES_ARG = PROPERTIES_ARG;
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const matcherHintFromConfig = (
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{context: {isNot, promise}, hint, inlineSnapshot, matcherName, properties},
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isUpdatable
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) => {
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const options = {
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isNot,
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promise
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};
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if (isUpdatable) {
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options.receivedColor = bReceivedColor;
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}
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let expectedArgument = '';
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if (typeof properties === 'object') {
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expectedArgument = PROPERTIES_ARG;
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if (isUpdatable) {
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options.expectedColor = noColor;
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}
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if (typeof hint === 'string' && hint.length !== 0) {
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options.secondArgument = HINT_ARG;
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options.secondArgumentColor = _jestMatcherUtils.BOLD_WEIGHT;
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} else if (typeof inlineSnapshot === 'string') {
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options.secondArgument = SNAPSHOT_ARG;
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if (isUpdatable) {
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options.secondArgumentColor = aSnapshotColor;
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} else {
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options.secondArgumentColor = noColor;
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}
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}
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} else {
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if (typeof hint === 'string' && hint.length !== 0) {
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expectedArgument = HINT_ARG;
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options.expectedColor = _jestMatcherUtils.BOLD_WEIGHT;
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} else if (typeof inlineSnapshot === 'string') {
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expectedArgument = SNAPSHOT_ARG;
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if (isUpdatable) {
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options.expectedColor = aSnapshotColor;
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}
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}
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}
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return (0, _jestMatcherUtils.matcherHint)(
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matcherName,
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undefined,
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expectedArgument,
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options
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);
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}; // Given array of diffs, return string:
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// * include common substrings
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// * exclude change substrings which have opposite op
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// * include change substrings which have argument op
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// with change color only if there is a common substring
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exports.matcherHintFromConfig = matcherHintFromConfig;
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const joinDiffs = (diffs, op, hasCommon) =>
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diffs.reduce(
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(reduced, diff) =>
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reduced +
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(diff[0] === _jestDiff.DIFF_EQUAL
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? diff[1]
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: diff[0] !== op
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? ''
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: hasCommon
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? (0, _jestMatcherUtils.INVERTED_COLOR)(diff[1])
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: diff[1]),
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''
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);
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const isLineDiffable = received => {
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const receivedType = (0, _jestGetType.getType)(received);
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if ((0, _jestGetType.isPrimitive)(received)) {
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return typeof received === 'string';
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}
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if (
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receivedType === 'date' ||
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receivedType === 'function' ||
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receivedType === 'regexp'
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) {
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return false;
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}
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if (received instanceof Error) {
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return false;
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}
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if (
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receivedType === 'object' &&
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typeof received.asymmetricMatch === 'function'
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) {
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return false;
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}
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return true;
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};
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const printExpected = val =>
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(0, _jestMatcherUtils.EXPECTED_COLOR)((0, _utils2.minify)(val));
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exports.printExpected = printExpected;
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const printReceived = val =>
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(0, _jestMatcherUtils.RECEIVED_COLOR)((0, _utils2.minify)(val));
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exports.printReceived = printReceived;
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const printPropertiesAndReceived = (
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properties,
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received,
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expand // CLI options: true if `--expand` or false if `--no-expand`
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) => {
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const aAnnotation = 'Expected properties';
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const bAnnotation = 'Received value';
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if (isLineDiffable(properties) && isLineDiffable(received)) {
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return (0, _jestDiff.diffLinesUnified)(
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(0, _utils2.serialize)(properties).split('\n'),
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(0, _utils2.serialize)(
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(0, _utils.getObjectSubset)(received, properties)
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).split('\n'),
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{
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aAnnotation,
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aColor: _jestMatcherUtils.EXPECTED_COLOR,
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bAnnotation,
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bColor: _jestMatcherUtils.RECEIVED_COLOR,
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changeLineTrailingSpaceColor: _chalk.default.bgYellow,
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commonLineTrailingSpaceColor: _chalk.default.bgYellow,
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emptyFirstOrLastLinePlaceholder: '↵',
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// U+21B5
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expand,
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includeChangeCounts: true
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}
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);
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}
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const printLabel = (0, _jestMatcherUtils.getLabelPrinter)(
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aAnnotation,
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bAnnotation
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);
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return (
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printLabel(aAnnotation) +
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printExpected(properties) +
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'\n' +
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printLabel(bAnnotation) +
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printReceived(received)
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);
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};
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exports.printPropertiesAndReceived = printPropertiesAndReceived;
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const MAX_DIFF_STRING_LENGTH = 20000;
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const printSnapshotAndReceived = (
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a,
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b,
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received,
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expand // CLI options: true if `--expand` or false if `--no-expand`
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) => {
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const aAnnotation = 'Snapshot';
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const bAnnotation = 'Received';
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const aColor = aSnapshotColor;
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const bColor = bReceivedColor;
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const options = {
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aAnnotation,
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aColor,
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bAnnotation,
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bColor,
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changeLineTrailingSpaceColor: noColor,
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commonLineTrailingSpaceColor: _chalk.default.bgYellow,
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emptyFirstOrLastLinePlaceholder: '↵',
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// U+21B5
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expand,
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includeChangeCounts: true
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};
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if (typeof received === 'string') {
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if (
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a.length >= 2 &&
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a.startsWith('"') &&
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a.endsWith('"') &&
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b === (0, _prettyFormat.format)(received)
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) {
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// If snapshot looks like default serialization of a string
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// and received is string which has default serialization.
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if (!a.includes('\n') && !b.includes('\n')) {
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// If neither string is multiline,
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// display as labels and quoted strings.
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let aQuoted = a;
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let bQuoted = b;
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if (
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a.length - 2 <= MAX_DIFF_STRING_LENGTH &&
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b.length - 2 <= MAX_DIFF_STRING_LENGTH
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) {
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const diffs = (0, _jestDiff.diffStringsRaw)(
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a.slice(1, -1),
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b.slice(1, -1),
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true
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);
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const hasCommon = diffs.some(
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diff => diff[0] === _jestDiff.DIFF_EQUAL
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);
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aQuoted =
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'"' + joinDiffs(diffs, _jestDiff.DIFF_DELETE, hasCommon) + '"';
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bQuoted =
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'"' + joinDiffs(diffs, _jestDiff.DIFF_INSERT, hasCommon) + '"';
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}
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const printLabel = (0, _jestMatcherUtils.getLabelPrinter)(
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aAnnotation,
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bAnnotation
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);
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return (
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printLabel(aAnnotation) +
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aColor(aQuoted) +
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'\n' +
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printLabel(bAnnotation) +
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bColor(bQuoted)
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);
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} // Else either string is multiline, so display as unquoted strings.
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a = (0, _utils2.deserializeString)(a); // hypothetical expected string
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b = received; // not serialized
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} // Else expected had custom serialization or was not a string
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// or received has custom serialization.
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return a.length <= MAX_DIFF_STRING_LENGTH &&
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b.length <= MAX_DIFF_STRING_LENGTH
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? (0, _jestDiff.diffStringsUnified)(a, b, options)
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: (0, _jestDiff.diffLinesUnified)(a.split('\n'), b.split('\n'), options);
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}
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if (isLineDiffable(received)) {
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const aLines2 = a.split('\n');
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const bLines2 = b.split('\n'); // Fall through to fix a regression for custom serializers
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// like jest-snapshot-serializer-raw that ignore the indent option.
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const b0 = (0, _utils2.serialize)(received, 0);
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if (b0 !== b) {
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const aLines0 = (0, _dedentLines.dedentLines)(aLines2);
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if (aLines0 !== null) {
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// Compare lines without indentation.
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const bLines0 = b0.split('\n');
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return (0, _jestDiff.diffLinesUnified2)(
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aLines2,
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bLines2,
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aLines0,
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bLines0,
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options
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);
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}
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} // Fall back because:
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// * props include a multiline string
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// * text has more than one adjacent line
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// * markup does not close
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return (0, _jestDiff.diffLinesUnified)(aLines2, bLines2, options);
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}
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const printLabel = (0, _jestMatcherUtils.getLabelPrinter)(
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aAnnotation,
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bAnnotation
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);
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return (
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printLabel(aAnnotation) +
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aColor(a) +
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|
|
'\n' +
|
||
|
|
printLabel(bAnnotation) +
|
||
|
|
bColor(b)
|
||
|
|
);
|
||
|
|
};
|
||
|
|
|
||
|
|
exports.printSnapshotAndReceived = printSnapshotAndReceived;
|