yhtml5-test
Version:
A test framework for front-end projects
970 lines (822 loc) • 17.1 kB
JavaScript
;
const style = require('ansi-styles'); /**
* Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*
*/
const toString = Object.prototype.toString;
const toISOString = Date.prototype.toISOString;
const errorToString = Error.prototype.toString;
const regExpToString = RegExp.prototype.toString;
const symbolToString = Symbol.prototype.toString;
const SYMBOL_REGEXP = /^Symbol\((.*)\)(.*)$/;
const NEWLINE_REGEXP = /\n/gi;
const getSymbols = Object.getOwnPropertySymbols || (obj => []);
function isToStringedArrayType(toStringed) {
return (
toStringed === '[object Array]' ||
toStringed === '[object ArrayBuffer]' ||
toStringed === '[object DataView]' ||
toStringed === '[object Float32Array]' ||
toStringed === '[object Float64Array]' ||
toStringed === '[object Int8Array]' ||
toStringed === '[object Int16Array]' ||
toStringed === '[object Int32Array]' ||
toStringed === '[object Uint8Array]' ||
toStringed === '[object Uint8ClampedArray]' ||
toStringed === '[object Uint16Array]' ||
toStringed === '[object Uint32Array]');
}
function printNumber(val) {
if (val != +val) {
return 'NaN';
}
const isNegativeZero = val === 0 && 1 / val < 0;
return isNegativeZero ? '-0' : '' + val;
}
function printFunction(val, printFunctionName) {
if (!printFunctionName) {
return '[Function]';
} else if (val.name === '') {
return '[Function anonymous]';
} else {
return '[Function ' + val.name + ']';
}
}
function printSymbol(val) {
return symbolToString.call(val).replace(SYMBOL_REGEXP, 'Symbol($1)');
}
function printError(val) {
return '[' + errorToString.call(val) + ']';
}
function printBasicValue(
val,
printFunctionName,
escapeRegex)
{
if (val === true || val === false) {
return '' + val;
}
if (val === undefined) {
return 'undefined';
}
if (val === null) {
return 'null';
}
const typeOf = typeof val;
if (typeOf === 'number') {
return printNumber(val);
}
if (typeOf === 'string') {
return '"' + val.replace(/"|\\/g, '\\$&') + '"';
}
if (typeOf === 'function') {
return printFunction(val, printFunctionName);
}
if (typeOf === 'symbol') {
return printSymbol(val);
}
const toStringed = toString.call(val);
if (toStringed === '[object WeakMap]') {
return 'WeakMap {}';
}
if (toStringed === '[object WeakSet]') {
return 'WeakSet {}';
}
if (
toStringed === '[object Function]' ||
toStringed === '[object GeneratorFunction]')
{
return printFunction(val, printFunctionName);
}
if (toStringed === '[object Symbol]') {
return printSymbol(val);
}
if (toStringed === '[object Date]') {
return toISOString.call(val);
}
if (toStringed === '[object Error]') {
return printError(val);
}
if (toStringed === '[object RegExp]') {
if (escapeRegex) {
// https://github.com/benjamingr/RegExp.escape/blob/master/polyfill.js
return regExpToString.call(val).replace(/[\\^$*+?.()|[\]{}]/g, '\\$&');
}
return regExpToString.call(val);
}
if (toStringed === '[object Arguments]' && val.length === 0) {
return 'Arguments []';
}
if (isToStringedArrayType(toStringed) && val.length === 0) {
return val.constructor.name + ' []';
}
if (val instanceof Error) {
return printError(val);
}
return null;
}
function printList(
list,
indent,
prevIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors)
{
let body = '';
if (list.length) {
body += edgeSpacing;
const innerIndent = prevIndent + indent;
for (let i = 0; i < list.length; i++) {
body +=
innerIndent +
print(
list[i],
indent,
innerIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors);
if (i < list.length - 1) {
body += ',' + spacing;
}
}
body += (min ? '' : ',') + edgeSpacing + prevIndent;
}
return '[' + body + ']';
}
function printArguments(
val,
indent,
prevIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors)
{
return (
(min ? '' : 'Arguments ') +
printList(
val,
indent,
prevIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors));
}
function printArray(
val,
indent,
prevIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors)
{
return (
(min ? '' : val.constructor.name + ' ') +
printList(
val,
indent,
prevIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors));
}
function printMap(
val,
indent,
prevIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors)
{
let result = 'Map {';
const iterator = val.entries();
let current = iterator.next();
if (!current.done) {
result += edgeSpacing;
const innerIndent = prevIndent + indent;
while (!current.done) {
const key = print(
current.value[0],
indent,
innerIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors);
const value = print(
current.value[1],
indent,
innerIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors);
result += innerIndent + key + ' => ' + value;
current = iterator.next();
if (!current.done) {
result += ',' + spacing;
}
}
result += (min ? '' : ',') + edgeSpacing + prevIndent;
}
return result + '}';
}
function printObject(
val,
indent,
prevIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors)
{
const constructor = min ?
'' :
val.constructor ? val.constructor.name + ' ' : 'Object ';
let result = constructor + '{';
let keys = Object.keys(val).sort();
const symbols = getSymbols(val);
if (symbols.length) {
keys = keys.
filter(
key =>
// $FlowFixMe string literal `symbol`. This value is not a valid `typeof` return value
!(typeof key === 'symbol' ||
toString.call(key) === '[object Symbol]')).
concat(symbols);
}
if (keys.length) {
result += edgeSpacing;
const innerIndent = prevIndent + indent;
for (let i = 0; i < keys.length; i++) {
const key = keys[i];
const name = print(
key,
indent,
innerIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors);
const value = print(
val[key],
indent,
innerIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors);
result += innerIndent + name + ': ' + value;
if (i < keys.length - 1) {
result += ',' + spacing;
}
}
result += (min ? '' : ',') + edgeSpacing + prevIndent;
}
return result + '}';
}
function printSet(
val,
indent,
prevIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors)
{
let result = 'Set {';
const iterator = val.entries();
let current = iterator.next();
if (!current.done) {
result += edgeSpacing;
const innerIndent = prevIndent + indent;
while (!current.done) {
result +=
innerIndent +
print(
current.value[1],
indent,
innerIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors);
current = iterator.next();
if (!current.done) {
result += ',' + spacing;
}
}
result += (min ? '' : ',') + edgeSpacing + prevIndent;
}
return result + '}';
}
function printComplexValue(
val,
indent,
prevIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors)
{
refs = refs.slice();
if (refs.indexOf(val) > -1) {
return '[Circular]';
} else {
refs.push(val);
}
currentDepth++;
const hitMaxDepth = currentDepth > maxDepth;
if (
callToJSON &&
!hitMaxDepth &&
val.toJSON &&
typeof val.toJSON === 'function')
{
return print(
val.toJSON(),
indent,
prevIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors);
}
const toStringed = toString.call(val);
if (toStringed === '[object Arguments]') {
return hitMaxDepth ?
'[Arguments]' :
printArguments(
val,
indent,
prevIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors);
} else if (isToStringedArrayType(toStringed)) {
return hitMaxDepth ?
'[Array]' :
printArray(
val,
indent,
prevIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors);
} else if (toStringed === '[object Map]') {
return hitMaxDepth ?
'[Map]' :
printMap(
val,
indent,
prevIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors);
} else if (toStringed === '[object Set]') {
return hitMaxDepth ?
'[Set]' :
printSet(
val,
indent,
prevIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors);
}
return hitMaxDepth ?
'[Object]' :
printObject(
val,
indent,
prevIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors);
}
function printPlugin(
val,
indent,
prevIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors)
{
let plugin;
for (let p = 0; p < plugins.length; p++) {
if (plugins[p].test(val)) {
plugin = plugins[p];
break;
}
}
if (!plugin) {
return null;
}
function boundPrint(val) {
return print(
val,
indent,
prevIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors);
}
function boundIndent(str) {
const indentation = prevIndent + indent;
return indentation + str.replace(NEWLINE_REGEXP, '\n' + indentation);
}
const opts = {
edgeSpacing,
min,
spacing };
return plugin.print(val, boundPrint, boundIndent, opts, colors);
}
function print(
val,
indent,
prevIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors)
{
const pluginsResult = printPlugin(
val,
indent,
prevIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors);
if (typeof pluginsResult === 'string') {
return pluginsResult;
}
const basicResult = printBasicValue(val, printFunctionName, escapeRegex);
if (basicResult !== null) {
return basicResult;
}
return printComplexValue(
val,
indent,
prevIndent,
spacing,
edgeSpacing,
refs,
maxDepth,
currentDepth,
plugins,
min,
callToJSON,
printFunctionName,
escapeRegex,
colors);
}
const DEFAULTS = {
callToJSON: true,
edgeSpacing: '\n',
escapeRegex: false,
highlight: false,
indent: 2,
maxDepth: Infinity,
min: false,
plugins: [],
printFunctionName: true,
spacing: '\n',
theme: {
comment: 'gray',
content: 'reset',
prop: 'yellow',
tag: 'cyan',
value: 'green' } };
function validateOptions(opts) {
Object.keys(opts).forEach(key => {
if (!DEFAULTS.hasOwnProperty(key)) {
throw new Error(`pretty-format: Unknown option "${key}".`);
}
});
if (opts.min && opts.indent !== undefined && opts.indent !== 0) {
throw new Error(
'pretty-format: Options "min" and "indent" cannot be used together.');
}
}
function normalizeOptions(opts) {
const result = {};
Object.keys(DEFAULTS).forEach(
key =>
result[key] = opts.hasOwnProperty(key) ?
key === 'theme' ? normalizeTheme(opts.theme) : opts[key] :
DEFAULTS[key]);
if (result.min) {
result.indent = 0;
}
// $FlowFixMe the type cast below means YOU are responsible to verify the code above.
return result;
}
function normalizeTheme(themeOption) {
if (!themeOption) {
throw new Error(`pretty-format: Option "theme" must not be null.`);
}
if (typeof themeOption !== 'object') {
throw new Error(
`pretty-format: Option "theme" must be of type "object" but instead received "${typeof themeOption}".`);
}
// Silently ignore any keys in `theme` that are not in defaults.
const themeRefined = themeOption;
const themeDefaults = DEFAULTS.theme;
return Object.keys(themeDefaults).reduce((theme, key) => {
theme[key] = Object.prototype.hasOwnProperty.call(themeOption, key) ?
themeRefined[key] :
themeDefaults[key];
return theme;
}, {});
}
function createIndent(indent) {
return new Array(indent + 1).join(' ');
}
function prettyFormat(val, initialOptions) {
let opts;
if (!initialOptions) {
opts = DEFAULTS;
} else {
validateOptions(initialOptions);
opts = normalizeOptions(initialOptions);
}
const colors = {
comment: { close: '', open: '' },
content: { close: '', open: '' },
prop: { close: '', open: '' },
tag: { close: '', open: '' },
value: { close: '', open: '' } };
Object.keys(opts.theme).forEach(key => {
if (opts.highlight) {
const color = colors[key] = style[opts.theme[key]];
if (
!color ||
typeof color.close !== 'string' ||
typeof color.open !== 'string')
{
throw new Error(
`pretty-format: Option "theme" has a key "${key}" whose value "${opts.theme[key]}" is undefined in ansi-styles.`);
}
}
});
let indent;
let refs;
const prevIndent = '';
const currentDepth = 0;
const spacing = opts.min ? ' ' : '\n';
const edgeSpacing = opts.min ? '' : '\n';
if (opts && opts.plugins.length) {
indent = createIndent(opts.indent);
refs = [];
const pluginsResult = printPlugin(
val,
indent,
prevIndent,
spacing,
edgeSpacing,
refs,
opts.maxDepth,
currentDepth,
opts.plugins,
opts.min,
opts.callToJSON,
opts.printFunctionName,
opts.escapeRegex,
colors);
if (typeof pluginsResult === 'string') {
return pluginsResult;
}
}
const basicResult = printBasicValue(
val,
opts.printFunctionName,
opts.escapeRegex);
if (basicResult !== null) {
return basicResult;
}
if (!indent) {
indent = createIndent(opts.indent);
}
if (!refs) {
refs = [];
}
return printComplexValue(
val,
indent,
prevIndent,
spacing,
edgeSpacing,
refs,
opts.maxDepth,
currentDepth,
opts.plugins,
opts.min,
opts.callToJSON,
opts.printFunctionName,
opts.escapeRegex,
colors);
}
prettyFormat.plugins = {
AsymmetricMatcher: require('./plugins/AsymmetricMatcher'),
ConvertAnsi: require('./plugins/ConvertAnsi'),
HTMLElement: require('./plugins/HTMLElement'),
Immutable: require('./plugins/ImmutablePlugins'),
ReactElement: require('./plugins/ReactElement'),
ReactTestComponent: require('./plugins/ReactTestComponent') };
module.exports = prettyFormat;