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Adding test for Utils
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Ad5001 2024-10-12 03:22:49 +02:00
parent 0abb22130f
commit 885d1f5dc3
Signed by: Ad5001
GPG key ID: EF45F9C6AFE20160
4 changed files with 404 additions and 202 deletions
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4
common/src/module/latex.mjs
View file

@ -137,9 +137,9 @@ class LatexAPI extends Module {
*/
parif(elem, contents) {
elem = elem.toString()
if(elem[0] !== "(" && elem[elem.length - 1] !== ")" && contents.some(x => elem.indexOf(x) > 0))
if(elem[0] !== "(" && elem.at(-1) !== ")" && contents.some(x => elem.indexOf(x) > 0))
return this.par(elem)
if(elem[0] === "(" && elem[elem.length - 1] === ")")
if(elem[0] === "(" && elem.at(-1) === ")")
return elem.removeEnclosure()
return elem
}

395
common/src/utils.mjs
View file

@ -21,14 +21,16 @@
* Replaces latin characters with their uppercase versions.
* @return {string}
*/
String.prototype.toLatinUppercase = String.prototype.toLatinUppercase || function() {
String.prototype.toLatinUppercase = function() {
return this.replace(/[a-z]/g, function(match) {
return match.toUpperCase()
})
}
/**
* Removes the 'enclosers' of a string (e.g. quotes, parentheses, brackets...)
* Removes the first and last character of a string
* Used to remove enclosing characters like quotes, parentheses, brackets...
* @note Does NOT check for their existence ahead of time.
* @return {string}
*/
String.prototype.removeEnclosure = function() {
@ -43,126 +45,126 @@ String.prototype.removeEnclosure = function() {
* @return {number}
*/
Number.prototype.toDecimalPrecision = function(decimalPlaces = 0) {
const p = Math.pow(10, decimalPlaces);
const n = (this * p) * (1 + Number.EPSILON);
return Math.round(n) / p;
const p = Math.pow(10, decimalPlaces)
const n = (this * p) * (1 + Number.EPSILON)
return Math.round(n) / p
}
const powerpos = {
"-": "⁻",
"+": "⁺",
"=": "⁼",
" ": " ",
"(": "⁽",
")": "⁾",
"0": "⁰",
"1": "¹",
"2": "²",
"3": "³",
"4": "⁴",
"5": "⁵",
"6": "⁶",
"7": "⁷",
"8": "⁸",
"9": "⁹",
"a": "ᵃ",
"b": "ᵇ",
"c": "ᶜ",
"d": "ᵈ",
"e": "ᵉ",
"f": "ᶠ",
"g": "ᵍ",
"h": "ʰ",
"i": "ⁱ",
"j": "ʲ",
"k": "ᵏ",
"l": "ˡ",
"m": "ᵐ",
"n": "ⁿ",
"o": "ᵒ",
"p": "ᵖ",
"r": "ʳ",
"s": "ˢ",
"t": "ᵗ",
"u": "ᵘ",
"v": "ᵛ",
"w": "ʷ",
"x": "ˣ",
"y": "ʸ",
"z": "ᶻ"
}
const CHARACTER_TO_POWER = new Map([
["-", "⁻"],
["+", "⁺"],
["=", "⁼"],
[" ", " "],
["(", "⁽"],
[")", "⁾"],
["0", "⁰"],
["1", "¹"],
["2", "²"],
["3", "³"],
["4", "⁴"],
["5", "⁵"],
["6", "⁶"],
["7", "⁷"],
["8", "⁸"],
["9", "⁹"],
["a", "ᵃ"],
["b", "ᵇ"],
["c", "ᶜ"],
["d", "ᵈ"],
["e", "ᵉ"],
["f", "ᶠ"],
["g", "ᵍ"],
["h", "ʰ"],
["i", "ⁱ"],
["j", "ʲ"],
["k", "ᵏ"],
["l", "ˡ"],
["m", "ᵐ"],
["n", "ⁿ"],
["o", "ᵒ"],
["p", "ᵖ"],
["r", "ʳ"],
["s", "ˢ"],
["t", "ᵗ"],
["u", "ᵘ"],
["v", "ᵛ"],
["w", "ʷ"],
["x", "ˣ"],
["y", "ʸ"],
["z", "ᶻ"]
])
const exponents = [
"⁰","¹","²","³","⁴","⁵","⁶","⁷","⁸","⁹"
const CHARACTER_TO_INDICE = new Map([
["-", "₋"],
["+", "₊"],
["=", "₌"],
["(", "₍"],
[")", "₎"],
[" ", " "],
["0", "₀"],
["1", "₁"],
["2", "₂"],
["3", "₃"],
["4", "₄"],
["5", "₅"],
["6", "₆"],
["7", "₇"],
["8", "₈"],
["9", "₉"],
["a", "ₐ"],
["e", "ₑ"],
["h", "ₕ"],
["i", "ᵢ"],
["j", "ⱼ"],
["k", "ₖ"],
["l", "ₗ"],
["m", "ₘ"],
["n", "ₙ"],
["o", "ₒ"],
["p", "ₚ"],
["r", "ᵣ"],
["s", "ₛ"],
["t", "ₜ"],
["u", "ᵤ"],
["v", "ᵥ"],
["x", "ₓ"]
])
const EXPONENTS = [
"⁰", "¹", "²", "³", "⁴", "⁵", "⁶", "⁷", "⁸", "⁹"
]
const exponentReg = new RegExp('(['+exponents.join('')+']+)', 'g')
const EXPONENTS_REG = new RegExp("([" + EXPONENTS.join("") + "]+)", "g")
const indicepos = {
"-": "₋",
"+": "₊",
"=": "₌",
"(": "₍",
")": "₎",
" ": " ",
"0": "₀",
"1": "₁",
"2": "₂",
"3": "₃",
"4": "₄",
"5": "₅",
"6": "₆",
"7": "₇",
"8": "₈",
"9": "₉",
"a": "ₐ",
"e": "ₑ",
"h": "ₕ",
"i": "ᵢ",
"j": "ⱼ",
"k": "ₖ",
"l": "ₗ",
"m": "ₘ",
"n": "ₙ",
"o": "ₒ",
"p": "ₚ",
"r": "ᵣ",
"s": "ₛ",
"t": "ₜ",
"u": "ᵤ",
"v": "ᵥ",
"x": "ₓ",
}
// Put a text in sup position
/**
* Put a text in sup position
* @param {string} text
* @return {string}
*/
export function textsup(text) {
let ret = ""
text = text.toString()
for (let i = 0; i < text.length; i++) {
if(Object.keys(powerpos).indexOf(text[i]) >= 0) {
ret += powerpos[text[i]]
} else {
ret += text[i]
}
}
for(let letter of text)
ret += CHARACTER_TO_POWER.has(letter) ? CHARACTER_TO_POWER.get(letter) : letter
return ret
}
// Put a text in sub position
/**
* Put a text in sub position
* @param {string} text
* @return {string}
*/
export function textsub(text) {
let ret = ""
text = text.toString()
for (let i = 0; i < text.length; i++) {
if(Object.keys(indicepos).indexOf(text[i]) >= 0) {
ret += indicepos[text[i]]
} else {
ret += text[i]
}
}
for(let letter of text)
ret += CHARACTER_TO_INDICE.has(letter) ? CHARACTER_TO_INDICE.get(letter) : letter
return ret
}
/**
* Simplifies (mathematically) a mathematical expression.
* @deprecated
* @param {string} str - Expression to parse
* @returns {string}
*/
@ -185,37 +187,43 @@ export function simplifyExpression(str) {
// n1 & n3 are multiplied, opeM is the main operation (- or +).
// Putting all n in form of number
//n2 = n2 == undefined ? 1 : parseFloat(n)
n1 = m1 === undefined ? 1 : eval(m1 + '1')
n2 = m2 === undefined ? 1 : eval('1' + m2)
n3 = m3 === undefined ? 1 : eval(m3 + '1')
n4 = m4 === undefined ? 1 : eval('1' + m4)
//let [n1, n2, n3, n4] = [n1, n2, n3, n4].map(n => n == undefined ? 1 : parseFloat(n))
// Falling back to * in case it does not exist (the corresponding n would be 1)
[ope2, ope4] = [ope2, ope4].map(ope => ope === '/' ? '/' : '*')
let coeff1 = n1*n2
let coeff2 = n3*n4
let coefficient = coeff1+coeff2-(opeM === '-' ? 2*coeff2 : 0)
n1 = m1 === undefined ? 1 : eval(m1 + "1")
n2 = m2 === undefined ? 1 : eval("1" + m2)
n3 = m3 === undefined ? 1 : eval(m3 + "1")
n4 = m4 === undefined ? 1 : eval("1" + m4)
//let [n1, n2, n3, n4] = [n1, n2, n3, n4].map(n => n == undefined ? 1 : parseFloat(n))
// Falling back to * in case it does not exist (the corresponding n would be 1)
[ope2, ope4] = [ope2, ope4].map(ope => ope === "/" ? "/" : "*")
let coeff1 = n1 * n2
let coeff2 = n3 * n4
let coefficient = coeff1 + coeff2 - (opeM === "-" ? 2 * coeff2 : 0)
return `${coefficient} * π`
}
],
[ // Removing parenthesis when content is only added from both sides.
/(^|[+-] |\()\(([^)(]+)\)($| [+-]|\))/g,
function(match, b4, middle, after) {return `${b4}${middle}${after}`}
function(match, b4, middle, after) {
return `${b4}${middle}${after}`
}
],
[ // Removing parenthesis when content is only multiplied.
/(^|[*\/] |\()\(([^)(+-]+)\)($| [*\/+-]|\))/g,
function(match, b4, middle, after) {return `${b4}${middle}${after}`}
function(match, b4, middle, after) {
return `${b4}${middle}${after}`
}
],
[ // Removing parenthesis when content is only multiplied.
/(^|[*\/+-] |\()\(([^)(+-]+)\)($| [*\/]|\))/g,
function(match, b4, middle, after) {return `${b4}${middle}${after}`}
function(match, b4, middle, after) {
return `${b4}${middle}${after}`
}
],
[// Simplification additions/subtractions.
/(^|[^*\/] |\()([-.\d]+) [+-] (\([^)(]+\)|[^)(]+) [+-] ([-.\d]+)($| [^*\/]|\))/g,
function(match, b4, n1, op1, middle, op2, n2, after) {
let total
if(op2 === '+') {
if(op2 === "+") {
total = parseFloat(n1) + parseFloat(n2)
} else {
total = parseFloat(n1) - parseFloat(n2)
@ -226,12 +234,12 @@ export function simplifyExpression(str) {
[// Simplification multiplications/divisions.
/([-.\d]+) [*\/] (\([^)(]+\)|[^)(+-]+) [*\/] ([-.\d]+)/g,
function(match, n1, op1, middle, op2, n2) {
if(parseInt(n1) === n1 && parseInt(n2) === n2 && op2 === '/' &&
(parseInt(n1) / parseInt(n2)) % 1 !== 0) {
if(parseInt(n1) === n1 && parseInt(n2) === n2 && op2 === "/" &&
(parseInt(n1) / parseInt(n2)) % 1 !== 0) {
// Non int result for int division.
return `(${n1} / ${n2}) ${op1} ${middle}`
} else {
if(op2 === '*') {
if(op2 === "*") {
return `${parseFloat(n1) * parseFloat(n2)} ${op1} ${middle}`
} else {
return `${parseFloat(n1) / parseFloat(n2)} ${op1} ${middle}`
@ -245,17 +253,17 @@ export function simplifyExpression(str) {
let str = middle
// Replace all groups
while(/\([^)(]+\)/g.test(str))
str = str.replace(/\([^)(]+\)/g, '')
str = str.replace(/\([^)(]+\)/g, "")
// There shouldn't be any more parenthesis
// If there is, that means the 2 parenthesis are needed.
if(!str.includes(')') && !str.includes('(')) {
if(!str.includes(")") && !str.includes("(")) {
return middle
} else {
return `(${middle})`
}
}
],
]
// Simple simplifications
// [/(\s|^|\()0(\.0+)? \* (\([^)(]+\))/g, '$10'],
// [/(\s|^|\()0(\.0+)? \* ([^)(+-]+)/g, '$10'],
@ -286,24 +294,35 @@ export function simplifyExpression(str) {
/**
* Transforms a mathematical expression to make it readable by humans.
* NOTE: Will break parsing of expression.
* @deprecated
* @param {string} str - Expression to parse.
* @returns {string}
*/
export function makeExpressionReadable(str) {
let replacements = [
// letiables
[/pi/g, 'π'],
[/Infinity/g, '∞'],
[/inf/g, '∞'],
[/pi/g, "π"],
[/Infinity/g, "∞"],
[/inf/g, "∞"],
// Other
[/ \* /g, '×'],
[/ \^ /g, '^'],
[/\^\(([\d\w+-]+)\)/g, function(match, p1) { return textsup(p1) }],
[/\^([\d\w+-]+)/g, function(match, p1) { return textsup(p1) }],
[/_\(([\d\w+-]+)\)/g, function(match, p1) { return textsub(p1) }],
[/_([\d\w+-]+)/g, function(match, p1) { return textsub(p1) }],
[/\[([^\[\]]+)\]/g, function(match, p1) { return textsub(p1) }],
[/(\d|\))×/g, '$1'],
[/ \* /g, "×"],
[/ \^ /g, "^"],
[/\^\(([\d\w+-]+)\)/g, function(match, p1) {
return textsup(p1)
}],
[/\^([\d\w+-]+)/g, function(match, p1) {
return textsup(p1)
}],
[/_\(([\d\w+-]+)\)/g, function(match, p1) {
return textsub(p1)
}],
[/_([\d\w+-]+)/g, function(match, p1) {
return textsub(p1)
}],
[/\[([^\[\]]+)\]/g, function(match, p1) {
return textsub(p1)
}],
[/(\d|\))×/g, "$1"],
[/integral\((.+),\s?(.+),\s?["'](.+)["'],\s?["'](.+)["']\)/g, function(match, a, b, p1, body, p2, p3, by, p4) {
if(a.length < b.length) {
return `∫${textsub(a)}${textsup(b)} ${body} d${by}`
@ -312,7 +331,7 @@ export function makeExpressionReadable(str) {
}
}],
[/derivative\(?["'](.+)["'], ?["'](.+)["'], ?(.+)\)?/g, function(match, p1, body, p2, p3, by, p4, x) {
return `d(${body.replace(new RegExp(by, 'g'), 'x')})/dx`
return `d(${body.replace(new RegExp(by, "g"), "x")})/dx`
}]
]
@ -324,6 +343,48 @@ export function makeExpressionReadable(str) {
return str
}
/** @type {[RegExp, string][]} */
const replacements = [
// Greek letters
[/(\W|^)al(pha)?(\W|$)/g, "$1α$3"],
[/(\W|^)be(ta)?(\W|$)/g, "$1β$3"],
[/(\W|^)ga(mma)?(\W|$)/g, "$1γ$3"],
[/(\W|^)de(lta)?(\W|$)/g, "$1δ$3"],
[/(\W|^)ep(silon)?(\W|$)/g, "$1ε$3"],
[/(\W|^)ze(ta)?(\W|$)/g, "$1ζ$3"],
[/(\W|^)et(a)?(\W|$)/g, "$1η$3"],
[/(\W|^)th(eta)?(\W|$)/g, "$1θ$3"],
[/(\W|^)io(ta)?(\W|$)/g, "$1ι$3"],
[/(\W|^)ka(ppa)?(\W|$)/g, "$1κ$3"],
[/(\W|^)la(mbda)?(\W|$)/g, "$1λ$3"],
[/(\W|^)mu(\W|$)/g, "$1μ$2"],
[/(\W|^)nu(\W|$)/g, "$1ν$2"],
[/(\W|^)xi(\W|$)/g, "$1ξ$2"],
[/(\W|^)rh(o)?(\W|$)/g, "$1ρ$3"],
[/(\W|^)si(gma)?(\W|$)/g, "$1σ$3"],
[/(\W|^)ta(u)?(\W|$)/g, "$1τ$3"],
[/(\W|^)up(silon)?(\W|$)/g, "$1υ$3"],
[/(\W|^)ph(i)?(\W|$)/g, "$1φ$3"],
[/(\W|^)ch(i)?(\W|$)/g, "$1χ$3"],
[/(\W|^)ps(i)?(\W|$)/g, "$1ψ$3"],
[/(\W|^)om(ega)?(\W|$)/g, "$1ω$3"],
// Capital greek letters
[/(\W|^)gga(mma)?(\W|$)/g, "$1Γ$3"],
[/(\W|^)gde(lta)?(\W|$)/g, "$1Δ$3"],
[/(\W|^)gth(eta)?(\W|$)/g, "$1Θ$3"],
[/(\W|^)gla(mbda)?(\W|$)/g, "$1Λ$3"],
[/(\W|^)gxi(\W|$)/g, "$1Ξ$2"],
[/(\W|^)gpi(\W|$)/g, "$1Π$2"],
[/(\W|^)gsi(gma)?(\W|$)/g, "$1Σ$3"],
[/(\W|^)gph(i)?(\W|$)/g, "$1Φ$3"],
[/(\W|^)gps(i)?(\W|$)/g, "$1Ψ$3"],
[/(\W|^)gom(ega)?(\W|$)/g, "$1Ω$3"],
// Array elements
[/\[([^\]\[]+)\]/g, function(match, p1) {
return textsub(p1)
}]
]
/**
* Parses a variable name to make it readable by humans.
*
@ -332,65 +393,24 @@ export function makeExpressionReadable(str) {
* @returns {string} - The parsed name
*/
export function parseName(str, removeUnallowed = true) {
let replacements = [
// Greek letters
[/([^a-z]|^)al(pha)?([^a-z]|$)/g, '$1α$3'],
[/([^a-z]|^)be(ta)?([^a-z]|$)/g, '$1β$3'],
[/([^a-z]|^)ga(mma)?([^a-z]|$)/g, '$1γ$3'],
[/([^a-z]|^)de(lta)?([^a-z]|$)/g, '$1δ$3'],
[/([^a-z]|^)ep(silon)?([^a-z]|$)/g, '$1ε$3'],
[/([^a-z]|^)ze(ta)?([^a-z]|$)/g, '$1ζ$3'],
[/([^a-z]|^)et(a)?([^a-z]|$)/g, '$1η$3'],
[/([^a-z]|^)th(eta)?([^a-z]|$)/g, '$1θ$3'],
[/([^a-z]|^)io(ta)?([^a-z]|$)/g, '$1ι$3'],
[/([^a-z]|^)ka(ppa)([^a-z]|$)?/g, '$1κ$3'],
[/([^a-z]|^)la(mbda)?([^a-z]|$)/g, '$1λ$3'],
[/([^a-z]|^)mu([^a-z]|$)/g, '$1μ$2'],
[/([^a-z]|^)nu([^a-z]|$)/g, '$1ν$2'],
[/([^a-z]|^)xi([^a-z]|$)/g, '$1ξ$2'],
[/([^a-z]|^)rh(o)?([^a-z]|$)/g, '$1ρ$3'],
[/([^a-z]|^)si(gma)?([^a-z]|$)/g, '$1σ$3'],
[/([^a-z]|^)ta(u)?([^a-z]|$)/g, '$1τ$3'],
[/([^a-z]|^)up(silon)?([^a-z]|$)/g, '$1υ$3'],
[/([^a-z]|^)ph(i)?([^a-z]|$)/g, '$1φ$3'],
[/([^a-z]|^)ch(i)?([^a-z]|$)/g, '$1χ$3'],
[/([^a-z]|^)ps(i)?([^a-z]|$)/g, '$1ψ$3'],
[/([^a-z]|^)om(ega)?([^a-z]|$)/g, '$1ω$3'],
// Capital greek letters
[/([^a-z]|^)gga(mma)?([^a-z]|$)/g, '$1Γ$3'],
[/([^a-z]|^)gde(lta)?([^a-z]|$)/g, '$1Δ$3'],
[/([^a-z]|^)gth(eta)?([^a-z]|$)/g, '$1Θ$3'],
[/([^a-z]|^)gla(mbda)?([^a-z]|$)/g, '$1Λ$3'],
[/([^a-z]|^)gxi([^a-z]|$)/g, '$1Ξ$2'],
[/([^a-z]|^)gpi([^a-z]|$)/g, '$1Π$2'],
[/([^a-z]|^)gsi(gma)([^a-z]|$)?/g, '$1Σ$3'],
[/([^a-z]|^)gph(i)?([^a-z]|$)/g, '$1Φ$3'],
[/([^a-z]|^)gps(i)?([^a-z]|$)/g, '$1Ψ$3'],
[/([^a-z]|^)gom(ega)?([^a-z]|$)/g, '$1Ω$3'],
// Underscores
// [/_\(([^_]+)\)/g, function(match, p1) { return textsub(p1) }],
// [/_([^" ]+)/g, function(match, p1) { return textsub(p1) }],
// Array elements
[/\[([^\]\[]+)\]/g, function(match, p1) { return textsub(p1) }],
// Removing
[/[xπℝℕ\\∪∩\]\[ ()^/÷*×+=\d-]/g , ''],
]
if(!removeUnallowed) replacements.pop()
// Replacements
for(let replacement of replacements)
for(const replacement of replacements)
str = str.replace(replacement[0], replacement[1])
if(removeUnallowed)
str = str.replace(/[xnπℝℕ\\∪∩\]\[ ()^/÷*×+=\d¹²³⁴⁵⁶⁷⁸⁹⁰-]/g, "")
return str
}
/**
* Transforms camel case strings to a space separated one.
*
* @deprecated
* @param {string} label - Camel case to parse
* @returns {string} Parsed label.
*/
export function camelCase2readable(label) {
let parsed = parseName(label, false)
return parsed.charAt(0).toLatinUppercase() + parsed.slice(1).replace(/([A-Z])/g," $1")
return parsed.charAt(0).toLatinUppercase() + parsed.slice(1).replace(/([A-Z])/g, " $1")
}
/**
@ -398,12 +418,12 @@ export function camelCase2readable(label) {
* @returns {string}
*/
export function getRandomColor() {
let clrs = '0123456789ABCDEF';
let color = '#';
let clrs = "0123456789ABCDEF"
let color = "#"
for(let i = 0; i < 6; i++) {
color += clrs[Math.floor(Math.random() * (16-5*(i%2===0)))];
color += clrs[Math.floor(Math.random() * (16 - 5 * (i % 2 === 0)))]
}
return color;
return color
}
/**
@ -412,16 +432,15 @@ export function getRandomColor() {
* @returns {string}
*/
export function escapeHTML(str) {
return str.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;') ;
return str.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;")
}
/**
* Parses exponents and replaces them with expression values
* @param {string} expression - The expression to replace in.
* @return {string} The parsed expression
*/
export function exponentsToExpression(expression) {
return expression.replace(exponentReg, (m, exp) => '^' + exp.split('').map((x) => exponents.indexOf(x)).join(''))
return expression.replace(EXPONENTS_REG, (m, exp) => "^" + exp.split("").map((x) => EXPONENTS.indexOf(x)).join(""))
}

14
common/test/general/events.mjs
View file

@ -45,7 +45,7 @@ class MockEvent2 extends BaseEvent {
const sandbox = spy.sandbox()
describe("Events", function() {
describe("EventsEmitters", function() {
afterEach(() => {
sandbox.restore()
@ -71,11 +71,11 @@ describe("Events", function() {
emitter.emit(mockEvent1)
emitter.emit(mockEvent2)
expect(listener).to.have.been.called.twice
expect(listener).to.have.been.called.with.exactly(mockEvent1)
expect(listener).to.have.been.called.with.exactly(mockEvent2)
expect(listener).to.also.have.been.called.with.exactly(mockEvent1)
expect(listener).to.also.have.been.called.with.exactly(mockEvent2)
})
it("should be able to remove listeners", function() {
it("should be able to have listeners remvoed", function() {
const emitter = new MockEmitter()
const listener = spy()
emitter.on("example1", listener)
@ -93,7 +93,7 @@ describe("Events", function() {
expect(removedFromOneOfTheEvents).to.be.true
})
it("should be able to remove listening to one event when listener listens to multiple", function() {
it("should be able to remove one listener listening to one event when said listener listens to multiple", function() {
const emitter = new MockEmitter()
const listener = spy()
const mockEvent1 = new MockEvent1()
@ -104,10 +104,10 @@ describe("Events", function() {
emitter.emit(mockEvent1)
emitter.emit(mockEvent2)
expect(listener).to.have.been.called.once
expect(listener).to.have.been.called.with.exactly(mockEvent2)
expect(listener).to.also.have.been.called.with.exactly(mockEvent2)
})
it("shouldn't be able to listen/unlisten/emit inexistant events", function() {
it("shouldn't be able to add listen/unlisten to, or emit inexistant events", function() {
const emitter = new MockEmitter()
const listener = spy()
expect(() => emitter.on("inexistant", listener)).to.throw(Error)

183
common/test/general/utils.mjs Normal file
View file

@ -0,0 +1,183 @@
/**
* LogarithmPlotter - 2D plotter software to make BODE plots, sequences and distribution functions.
* Copyright (C) 2021-2024 Ad5001
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import { textsup, textsub, parseName, getRandomColor, escapeHTML, exponentsToExpression } from "../../src/utils.mjs"
import { describe, it } from "mocha"
import { expect } from "chai"
describe("Extensions", function() {
describe("#String.toLatinUppercase", function() {
it("should be able to transform latin characters from strings to their uppercase version", function() {
expect("abc".toLatinUppercase()).to.equal("ABC")
expect("abCd".toLatinUppercase()).to.equal("ABCD")
expect("ab123cd456".toLatinUppercase()).to.equal("AB123CD456")
expect("ABC".toLatinUppercase()).to.equal("ABC")
})
it("shouldn't transform non latin characters to their uppercase version", function() {
expect("abαπ".toLatinUppercase()).to.equal("ABαπ")
expect("abαπ".toLatinUppercase()).to.not.equal("abαπ".toUpperCase())
})
})
describe("#String.removeEnclosure", function() {
it("should be able to remove the first and last characters", function() {
expect("[1+t]".removeEnclosure()).to.equal("1+t")
expect('"a+b+c*d"'.removeEnclosure()).to.equal("a+b+c*d")
expect("(pi/2)".removeEnclosure()).to.equal("pi/2")
})
})
describe("#Number.toDecimalPrecision", function() {
it("should be able to round a number to a fixed decimal precision", function() {
expect(123.456789.toDecimalPrecision()).to.equal(123)
expect(123.456789.toDecimalPrecision(1)).to.equal(123.5)
expect(123.456789.toDecimalPrecision(2)).to.equal(123.46)
expect(123.456789.toDecimalPrecision(3)).to.equal(123.457)
expect(123.456789.toDecimalPrecision(4)).to.equal(123.4568)
expect(123.456789.toDecimalPrecision(5)).to.equal(123.45679)
expect(123.456789.toDecimalPrecision(6)).to.equal(123.456789)
expect(123.111111.toDecimalPrecision(5)).to.equal(123.11111)
})
})
})
describe("Utils", function() {
describe("#textsup", function() {
it("should transform characters which have a sup unicode equivalent", function() {
expect(textsup("-+=()")).to.equal("⁻⁺⁼⁽⁾")
expect(textsup("0123456789")).to.equal("⁰¹²³⁴⁵⁶⁷⁸⁹")
expect(textsup("abcdefghijklmnoprstuvwxyz")).to.equal("ᵃᵇᶜᵈᵉᶠᵍʰⁱʲᵏˡᵐⁿᵒᵖʳˢᵗᵘᵛʷˣʸᶻ")
})
it("shouldn't transform characters without a sup equivalent", function() {
expect(textsup("ABCDEFGHIJKLMNOPQRSTUVWXYZq")).to.equal("ABCDEFGHIJKLMNOPQRSTUVWXYZq")
})
it("should partially transform strings which only have a few characters with a sup equivalent", function() {
expect(textsup("ABCabcABC")).to.equal("ABCᵃᵇᶜABC")
})
})
describe("#textsub", function() {
it("should transform characters which have a sub unicode equivalent", function() {
expect(textsub("-+=()")).to.equal("₋₊₌₍₎")
expect(textsub("0123456789")).to.equal("₀₁₂₃₄₅₆₇₈₉")
expect(textsub("aehijklmnoprstuvx")).to.equal("ₐₑₕᵢⱼₖₗₘₙₒₚᵣₛₜᵤᵥₓ")
})
it("shouldn't transform characters without a sub equivalent", function() {
expect(textsub("ABCDEFGHIJKLMNOPQRSTUVWXYZ")).to.equal("ABCDEFGHIJKLMNOPQRSTUVWXYZ")
expect(textsub("bcdfgqyz")).to.equal("bcdfgqyz")
})
it("should partially transform strings which only have a few characters with a sub equivalent", function() {
expect(textsub("ABC123ABC")).to.equal("ABC₁₂₃ABC")
})
})
describe("#parseName", function() {
it("should parse greek letter names", function() {
const shorthands = {
"α": ["al", "alpha"],
"β": ["be", "beta"],
"γ": ["ga", "gamma"],
"δ": ["de", "delta"],
"ε": ["ep", "epsilon"],
"ζ": ["ze", "zeta"],
"η": ["et", "eta"],
"θ": ["th", "theta"],
"κ": ["ka", "kappa"],
"λ": ["la", "lambda"],
"μ": ["mu"],
"ν": ["nu"],
"ξ": ["xi"],
"ρ": ["rh", "rho"],
"σ": ["si", "sigma"],
"τ": ["ta", "tau"],
"υ": ["up", "upsilon"],
"φ": ["ph", "phi"],
"χ": ["ch", "chi"],
"ψ": ["ps", "psi"],
"ω": ["om", "omega"],
"Γ": ["gga", "ggamma"],
"Δ": ["gde", "gdelta"],
"Θ": ["gth", "gtheta"],
"Λ": ["gla", "glambda"],
"Ξ": ["gxi"],
"Π": ["gpi"],
"Σ": ["gsi", "gsigma"],
"Φ": ["gph", "gphi"],
"Ψ": ["gps", "gpsi"],
"Ω": ["gom", "gomega"],
}
for(const [char, shorts] of Object.entries(shorthands)) {
expect(parseName(char)).to.equal(char)
for(const short of shorts)
expect(parseName(short)).to.equal(char)
}
})
it("should parse array elements into sub", function() {
expect(parseName("u[n+1]")).to.equal("uₙ₊₁")
expect(parseName("u[(n+x)]")).to.equal("u₍ₙ₊ₓ₎")
expect(parseName("u[A]")).to.equal("uA")
})
it("should remove disallowed characters when indicated", function() {
const disallowed = "xnπℝℕ\\∪∩[] ()^/^/÷*×+=1234567890¹²³⁴⁵⁶⁷⁸⁹⁰-"
expect(parseName(disallowed)).to.equal("")
expect(parseName("AA" + disallowed)).to.equal("AA")
expect(parseName(disallowed, false)).to.equal(disallowed)
})
it("should be able to do all three at once", function() {
expect(parseName("al[n+1]+n")).to.equal("αₙ₊₁")
expect(parseName("al[n+1]+n", false)).to.equal("αₙ₊₁+n")
})
})
describe("#getRandomColor", function() {
it("should provide a valid color", function() {
const colorReg = /^#[A-F\d]{6}$/
for(let i = 0; i < 50; i++)
expect(getRandomColor()).to.match(colorReg)
})
})
describe("#escapeHTML", function() {
it("should should escape ampersands", function() {
expect(escapeHTML("&")).to.equal("&amp;")
expect(escapeHTML("High & Mighty")).to.equal("High &amp; Mighty")
})
it("should escape injected HTML tags", function() {
expect(escapeHTML("<script>alert('Injected!')</script>")).to.equal("&lt;script&gt;alert('Injected!')&lt;/script&gt;")
expect(escapeHTML('<a href="javascript:alert()">Link</a>')).to.equal('&lt;a href="javascript:alert()"&gt;Link&lt;/a&gt;')
})
})
describe("#exponentsToExpression", function() {
it("should transform exponents to power expression", function() {
expect(exponentsToExpression("x¹²³⁴⁵⁶⁷⁸⁹⁰")).to.equal("x^1234567890")
expect(exponentsToExpression("x¹²+y³⁴")).to.equal("x^12+y^34")
})
})
})