377 lines
11 KiB
TypeScript
377 lines
11 KiB
TypeScript
import test from 'ava'
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import {
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isError,
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isEmptyArray,
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isObject,
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isPlainObject,
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isAnyObject,
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isUndefined,
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isNull,
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isNullOrUndefined,
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isFunction,
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isArray,
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isString,
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isEmptyString,
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isFullString,
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isBoolean,
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isRegExp,
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isNumber,
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isDate,
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isSymbol,
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isPrimitive,
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isType,
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isMap,
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isWeakMap,
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isSet,
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isWeakSet,
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isFullArray,
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// isBlob,
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// isFile,
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isPromise,
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isNaNValue,
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isEmptyObject,
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isOneOf,
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isFullObject,
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} from '../src/index'
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// const blob = Buffer.from([])
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test('Basic true tests', t => {
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t.is(isError(new Error('')), true)
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t.is(isUndefined(undefined), true)
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t.is(isNull(null), true)
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t.is(isNullOrUndefined(null), true)
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t.is(isNullOrUndefined(undefined), true)
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t.is(isObject({}), true)
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t.is(isEmptyObject({}), true)
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t.is(isFullObject({0: ''}), true)
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t.is(isFullObject({'': ''}), true)
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t.is(isObject(new Object()), true)
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t.is(isArray([]), true)
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t.is(isEmptyArray([]), true)
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t.is(isFullArray(['']), true)
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t.is(isArray(new Array()), true)
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t.is(isString(''), true)
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t.is(isString('_'), true)
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t.is(isEmptyString(''), true)
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t.is(isFullString(' '), true)
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t.is(isBoolean(true), true)
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t.is(isBoolean(false), true)
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t.is(isRegExp(/./), true)
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t.is(isRegExp(/./gi), true)
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t.is(isNumber(0), true)
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t.is(isNumber(1), true)
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t.is(isDate(new Date()), true)
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t.is(isSymbol(Symbol()), true)
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t.is(isMap(new Map()), true)
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t.is(isWeakMap(new WeakMap()), true)
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t.is(isSet(new Set()), true)
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t.is(isWeakSet(new WeakSet()), true)
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// t.is(isBlob(blob), true)
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// t.is(isFile(new File([''], '', { type: 'text/html' })), true)
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t.is(isPromise(new Promise((resolve, reject) => {})), true)
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})
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test('Basic false tests', t => {
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t.is(isError({}), false)
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t.is(isNumber(NaN), false)
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t.is(isDate(new Date('_')), false)
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t.is(isDate(NaN), false)
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t.is(isUndefined(NaN), false)
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t.is(isNull(NaN), false)
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t.is(isObject(NaN), false)
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t.is(isArray(NaN), false)
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t.is(isString(NaN), false)
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t.is(isEmptyString(' '), false)
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t.is(isFullString(''), false)
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t.is(isBoolean(NaN), false)
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t.is(isRegExp(NaN), false)
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t.is(isSymbol(NaN), false)
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t.is(isMap(new WeakMap()), false)
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t.is(isWeakMap(new Map()), false)
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t.is(isSet(new WeakSet()), false)
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t.is(isWeakSet(new Set()), false)
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t.is(isNullOrUndefined(NaN), false)
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})
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test('isFunction', t => {
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t.is(isFunction(NaN), false)
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t.is(isFunction(() => {}), true)
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t.is(isFunction(function () {}), true)
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t.is(isFunction(async () => {}), true)
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t.is(isFunction(async function () {}), true)
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t.is(isFunction(function * () {}), true)
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t.is(isFunction(async function * () {}), true)
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const _ = { fn: () => {}, method () {} }
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t.is(isFunction(_.fn), true)
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t.is(isFunction(_.method), true)
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})
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test('isEmptyObject', t => {
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t.is(isEmptyObject({}), true)
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t.is(isEmptyObject(new Object()), true)
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t.is(isEmptyObject('{}'), false)
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t.is(isEmptyObject('{}'), false)
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t.is(isEmptyObject(null), false)
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t.is(isEmptyObject(new Date()), false)
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t.is(isEmptyObject(new Error('')), false)
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t.is(isEmptyObject(new Date()), false)
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t.is(isEmptyObject(Symbol()), false)
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t.is(isEmptyObject(new Map()), false)
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t.is(isEmptyObject(new WeakMap()), false)
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t.is(isEmptyObject(new Set()), false)
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t.is(isEmptyObject(new WeakSet()), false)
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})
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test('isEmptyArray', t => {
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t.is(isEmptyArray([]), true)
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t.is(isEmptyArray(new Array()), true)
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t.is(isEmptyArray(new Array(0)), true)
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t.is(isEmptyArray(new Array(1)), false)
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t.is(isEmptyArray([undefined]), false)
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t.is(isEmptyArray(null), false)
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t.is(isEmptyArray(new Date()), false)
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t.is(isEmptyArray(new Error('')), false)
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t.is(isEmptyArray(new Date()), false)
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t.is(isEmptyArray(Symbol()), false)
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t.is(isEmptyArray(new Map()), false)
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t.is(isEmptyArray(new WeakMap()), false)
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t.is(isEmptyArray(new Set()), false)
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t.is(isEmptyArray(new WeakSet()), false)
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})
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test('isFullArray', t => {
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t.is(isFullArray(new Array(1)), true)
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t.is(isFullArray([undefined]), true)
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t.is(isFullArray([null]), true)
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t.is(isFullArray(['']), true)
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t.is(isFullArray([]), false)
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t.is(isFullArray(new Array()), false)
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t.is(isFullArray(new Array(0)), false)
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t.is(isFullArray(null), false)
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t.is(isFullArray(new Date()), false)
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t.is(isFullArray(new Error('')), false)
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t.is(isFullArray(new Date()), false)
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t.is(isFullArray(Symbol()), false)
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t.is(isFullArray(new Map()), false)
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t.is(isFullArray(new WeakMap()), false)
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t.is(isFullArray(new Set()), false)
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t.is(isFullArray(new WeakSet()), false)
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})
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test('NaN tests', t => {
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t.is(isNaNValue(NaN), true)
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t.is(isNaNValue(new Error('')), false)
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t.is(isNaNValue(undefined), false)
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t.is(isNaNValue(null), false)
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t.is(isNaNValue(undefined), false)
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t.is(isNaNValue({}), false)
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t.is(isNaNValue(new Object()), false)
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t.is(
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isNaNValue(() => {}),
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false
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)
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t.is(isNaNValue([]), false)
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t.is(isNaNValue(new Array()), false)
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t.is(isNaNValue(''), false)
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t.is(isNaNValue('_'), false)
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t.is(isNaNValue(''), false)
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t.is(isNaNValue(' '), false)
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t.is(isNaNValue(true), false)
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t.is(isNaNValue(false), false)
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t.is(isNaNValue(/./), false)
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t.is(isNaNValue(/./gi), false)
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t.is(isNaNValue(0), false)
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t.is(isNaNValue(1), false)
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t.is(isNaNValue(new Date()), false)
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t.is(isNaNValue(Symbol()), false)
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t.is(isNaNValue(new Map()), false)
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t.is(isNaNValue(new WeakMap()), false)
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t.is(isNaNValue(new Set()), false)
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t.is(isNaNValue(new WeakSet()), false)
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t.is(isNaNValue(new Promise((resolve, reject) => {})), false)
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})
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test('Primitive tests', t => {
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// true
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t.is(isPrimitive(0), true)
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t.is(isPrimitive(''), true)
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t.is(isPrimitive('str'), true)
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t.is(isPrimitive(Symbol()), true)
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t.is(isPrimitive(true), true)
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t.is(isPrimitive(false), true)
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t.is(isPrimitive(null), true)
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t.is(isPrimitive(undefined), true)
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// false
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t.is(isPrimitive(NaN), false)
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t.is(isPrimitive([]), false)
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t.is(isPrimitive(new Array()), false)
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t.is(isPrimitive({}), false)
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t.is(isPrimitive(new Object()), false)
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t.is(isPrimitive(new Date()), false)
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t.is(
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isPrimitive(() => {}),
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false
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)
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})
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test('Date exception', t => {
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t.is(isDate(new Date('_')), false)
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})
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test('Generic isType', t => {
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// -----------------------------
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// This is correct old fashion syntax for classes, if this is missing
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function MyClass () {}
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MyClass.prototype.constructor = MyClass
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// @ts-ignore
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const myClass = new MyClass()
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// -----------------------------
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class MyOtherClass { constructor() {} }
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// this is expected behaviour
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t.is(isType('', String), true)
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t.is(isType('_', String), true)
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t.is(isType('Hello World', String), true)
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t.is(isType(NaN, Number), true)
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t.is(isType(0, Number), true)
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t.is(isType(1, Number), true)
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t.is(isType({}, Object), true)
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t.is(isType(new Object(), Object), true)
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t.is(isType([], Array), true)
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t.is(isType(new Array(), Array), true)
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t.is(
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isType(() => {}, Function),
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true
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)
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t.is(isType(true, Boolean), true)
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t.is(isType(false, Boolean), true)
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t.is(isType(new Date('_'), Date), true)
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t.is(isType(new Date(), Date), true)
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t.is(isType(/./, RegExp), true)
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t.is(isType(/./gi, RegExp), true)
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t.is(isType(myClass, MyClass), true)
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t.is(isType(new MyOtherClass(), MyOtherClass), true)
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t.is(isType(myClass, MyOtherClass), false)
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t.is(isType(Symbol(), Symbol), true)
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// t.is(isType(null, Null), true)
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// t.is(isType(undefined, Undefined), true)
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// It SHOULD fail
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t.is(isType(5, String), false)
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t.is(isType(null, Object), false)
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// Not sure if this would be the expected behaviour but everything is an object
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// so I would say so
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t.is(isType(myClass, Object), true)
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})
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test('isObject vs isAnyObject', t => {
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// -----------------------------
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// This is correct old fashion syntax for classes, if this is missing
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function MyClass () {}
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MyClass.prototype.constructor = MyClass
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// @ts-ignore
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const myClass = new MyClass()
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// -----------------------------
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class MyClass2 { constructor() {} }
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const myClass2 = new MyClass2()
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const mySpecialObject = {}
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Object.setPrototypeOf(mySpecialObject, {
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toDate: function () {
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return new Date()
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},
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})
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// IS OBJECT
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// plain object
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t.is(isObject({}), true)
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t.is(isObject(new Object()), true)
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t.is(isPlainObject({}), true)
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t.is(isPlainObject(new Object()), true)
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// classes & prototypes
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t.is(isObject(myClass), false)
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t.is(isObject(myClass2), false)
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t.is(isObject(mySpecialObject), false)
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t.is(isPlainObject(myClass), false)
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t.is(isPlainObject(myClass2), false)
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t.is(isPlainObject(mySpecialObject), false)
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// arrays and dates
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t.is(isObject([]), false)
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t.is(isObject(new Array()), false)
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t.is(isObject(new Date('_')), false)
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t.is(isObject(new Date()), false)
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t.is(isPlainObject([]), false)
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t.is(isPlainObject(new Array()), false)
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t.is(isPlainObject(new Date('_')), false)
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t.is(isPlainObject(new Date()), false)
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// IS ANY OBJECT
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// plain object
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t.is(isAnyObject({}), true)
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t.is(isAnyObject(new Object()), true)
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// classes & prototypes
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t.is(isAnyObject(myClass), true)
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t.is(isAnyObject(myClass2), true)
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t.is(isAnyObject(mySpecialObject), true)
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// arrays and dates
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t.is(isAnyObject([]), false)
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t.is(isAnyObject(new Array()), false)
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t.is(isAnyObject(new Date('_')), false)
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t.is(isAnyObject(new Date()), false)
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})
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test('isOneOf', t => {
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t.is(isOneOf(isString, isNumber)('_'), true)
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t.is(isOneOf(isString, isNumber)(1), true)
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t.is(isOneOf(isString, isNumber)(undefined), false)
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t.is(isOneOf(isString, isNumber, isBoolean)('_'), true)
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t.is(isOneOf(isString, isNumber, isBoolean)(1), true)
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t.is(isOneOf(isString, isNumber, isBoolean)(true), true)
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t.is(isOneOf(isString, isNumber, isBoolean)(undefined), false)
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t.is(isOneOf(isString, isNumber, isBoolean, isArray)('_'), true)
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t.is(isOneOf(isString, isNumber, isBoolean, isArray)(1), true)
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t.is(isOneOf(isString, isNumber, isBoolean, isArray)(true), true)
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t.is(isOneOf(isString, isNumber, isBoolean, isArray)([]), true)
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t.is(isOneOf(isString, isNumber, isBoolean, isArray)(undefined), false)
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t.is(isOneOf(isString, isNumber, isBoolean, isArray, isPlainObject)('_'), true)
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t.is(isOneOf(isString, isNumber, isBoolean, isArray, isPlainObject)(1), true)
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t.is(isOneOf(isString, isNumber, isBoolean, isArray, isPlainObject)(true), true)
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t.is(isOneOf(isString, isNumber, isBoolean, isArray, isPlainObject)([]), true)
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t.is(isOneOf(isString, isNumber, isBoolean, isArray, isPlainObject)({}), true)
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t.is(isOneOf(isString, isNumber, isBoolean, isArray, isPlainObject)(undefined), false)
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})
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test('type related tests', t => {
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t.pass()
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// const fn: string | ((k: number) => string) = (p) => 'a'
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// if (!isFunction(fn)) {
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// fn
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// }
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// const a: Record<string, number> = {}
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// a[fn(1)] = fn(2)
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// const myArray: string | string[] = ['a', 'b']
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// if (!isArray(myArray)) {
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// myArray
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// }
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// const a: Record<string, number> = {}
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// a[myArray[1]] = myArray[0]
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// const myArray: string | any[] = [1, 2, 'a', 'b']
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// if (!isArray(myArray)) {
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// myArray
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// }
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// const a: Record<string, number> = {}
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// a[myArray[1]] = myArray[0]
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})
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