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tests: easysync: Remove unnecessary `Random` class

pull/5234/head
Richard Hansen 2021-10-15 19:34:11 -04:00 committed by webzwo0i
parent 8dd61f847e
commit 2c7d0604c3
1 changed files with 39 additions and 46 deletions
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85
src/tests/frontend/specs/easysync.js
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@ -26,10 +26,7 @@
const Changeset = require('../../../static/js/Changeset');
const AttributePool = require('../../../static/js/AttributePool');
function Random() {
this.nextInt = (maxValue) => Math.floor(Math.random() * maxValue);
this.nextDouble = (maxValue) => Math.random();
}
const randInt = (maxValue) => Math.floor(Math.random() * maxValue);
const runTests = () => {
const print = (str) => {
@ -396,22 +393,22 @@ const runTests = () => {
'|1+1',
]);
const randomInlineString = (len, rand) => {
const randomInlineString = (len) => {
const assem = Changeset.stringAssembler();
for (let i = 0; i < len; i++) {
assem.append(String.fromCharCode(rand.nextInt(26) + 97));
assem.append(String.fromCharCode(randInt(26) + 97));
}
return assem.toString();
};
const randomMultiline = (approxMaxLines, approxMaxCols, rand) => {
const numParts = rand.nextInt(approxMaxLines * 2) + 1;
const randomMultiline = (approxMaxLines, approxMaxCols) => {
const numParts = randInt(approxMaxLines * 2) + 1;
const txt = Changeset.stringAssembler();
txt.append(rand.nextInt(2) ? '\n' : '');
txt.append(randInt(2) ? '\n' : '');
for (let i = 0; i < numParts; i++) {
if ((i % 2) === 0) {
if (rand.nextInt(10)) {
txt.append(randomInlineString(rand.nextInt(approxMaxCols) + 1, rand));
if (randInt(10)) {
txt.append(randomInlineString(randInt(approxMaxCols) + 1));
} else {
txt.append('\n');
}
@ -422,14 +419,14 @@ const runTests = () => {
return txt.toString();
};
const randomStringOperation = (numCharsLeft, rand) => {
const randomStringOperation = (numCharsLeft) => {
let result;
switch (rand.nextInt(9)) {
switch (randInt(9)) {
case 0:
{
// insert char
result = {
insert: randomInlineString(1, rand),
insert: randomInlineString(1),
};
break;
}
@ -453,7 +450,7 @@ const runTests = () => {
{
// insert small
result = {
insert: randomInlineString(rand.nextInt(4) + 1, rand),
insert: randomInlineString(randInt(4) + 1),
};
break;
}
@ -461,7 +458,7 @@ const runTests = () => {
{
// delete small
result = {
remove: rand.nextInt(4) + 1,
remove: randInt(4) + 1,
};
break;
}
@ -469,7 +466,7 @@ const runTests = () => {
{
// skip small
result = {
skip: rand.nextInt(4) + 1,
skip: randInt(4) + 1,
};
break;
}
@ -477,7 +474,7 @@ const runTests = () => {
{
// insert multiline;
result = {
insert: randomMultiline(5, 20, rand),
insert: randomMultiline(5, 20),
};
break;
}
@ -485,7 +482,7 @@ const runTests = () => {
{
// delete multiline
result = {
remove: Math.round(numCharsLeft * rand.nextDouble() * rand.nextDouble()),
remove: Math.round(numCharsLeft * Math.random() * Math.random()),
};
break;
}
@ -493,7 +490,7 @@ const runTests = () => {
{
// skip multiline
result = {
skip: Math.round(numCharsLeft * rand.nextDouble() * rand.nextDouble()),
skip: Math.round(numCharsLeft * Math.random() * Math.random()),
};
break;
}
@ -523,24 +520,24 @@ const runTests = () => {
return result;
};
const randomTwoPropAttribs = (opcode, rand) => {
const randomTwoPropAttribs = (opcode) => {
// assumes attrib pool like ['apple,','apple,true','banana,','banana,true']
if (opcode === '-' || rand.nextInt(3)) {
if (opcode === '-' || randInt(3)) {
return '';
} else if (rand.nextInt(3)) { // eslint-disable-line no-dupe-else-if
if (opcode === '+' || rand.nextInt(2)) {
return `*${Changeset.numToString(rand.nextInt(2) * 2 + 1)}`;
} else if (randInt(3)) { // eslint-disable-line no-dupe-else-if
if (opcode === '+' || randInt(2)) {
return `*${Changeset.numToString(randInt(2) * 2 + 1)}`;
} else {
return `*${Changeset.numToString(rand.nextInt(2) * 2)}`;
return `*${Changeset.numToString(randInt(2) * 2)}`;
}
} else if (opcode === '+' || rand.nextInt(4) === 0) {
} else if (opcode === '+' || randInt(4) === 0) {
return '*1*3';
} else {
return ['*0*2', '*0*3', '*1*2'][rand.nextInt(3)];
return ['*0*2', '*0*3', '*1*2'][randInt(3)];
}
};
const randomTestChangeset = (origText, rand, withAttribs) => {
const randomTestChangeset = (origText, withAttribs) => {
const charBank = Changeset.stringAssembler();
let textLeft = origText; // always keep final newline
const outTextAssem = Changeset.stringAssembler();
@ -552,7 +549,7 @@ const runTests = () => {
const appendMultilineOp = (opcode, txt) => {
nextOp.opcode = opcode;
if (withAttribs) {
nextOp.attribs = randomTwoPropAttribs(opcode, rand);
nextOp.attribs = randomTwoPropAttribs(opcode);
}
txt.replace(/\n|[^\n]+/g, (t) => {
if (t === '\n') {
@ -569,7 +566,7 @@ const runTests = () => {
};
const doOp = () => {
const o = randomStringOperation(textLeft.length, rand);
const o = randomStringOperation(textLeft.length);
if (o.insert) {
const txt = o.insert;
charBank.append(txt);
@ -597,22 +594,21 @@ const runTests = () => {
};
const testCompose = (randomSeed) => {
const rand = new Random();
print(`> testCompose#${randomSeed}`);
const p = new AttributePool();
const startText = `${randomMultiline(10, 20, rand)}\n`;
const startText = `${randomMultiline(10, 20)}\n`;
const x1 = randomTestChangeset(startText, rand);
const x1 = randomTestChangeset(startText);
const change1 = x1[0];
const text1 = x1[1];
const x2 = randomTestChangeset(text1, rand);
const x2 = randomTestChangeset(text1);
const change2 = x2[0];
const text2 = x2[1];
const x3 = randomTestChangeset(text2, rand);
const x3 = randomTestChangeset(text2);
const change3 = x3[0];
const text3 = x3[1];
@ -667,15 +663,14 @@ const runTests = () => {
})();
const testFollow = (randomSeed) => {
const rand = new Random();
print(`> testFollow#${randomSeed}`);
const p = new AttributePool();
const startText = `${randomMultiline(10, 20, rand)}\n`;
const startText = `${randomMultiline(10, 20)}\n`;
const cs1 = randomTestChangeset(startText, rand)[0];
const cs2 = randomTestChangeset(startText, rand)[0];
const cs1 = randomTestChangeset(startText)[0];
const cs2 = randomTestChangeset(startText)[0];
const afb = Changeset.checkRep(Changeset.follow(cs1, cs2, false, p));
const bfa = Changeset.checkRep(Changeset.follow(cs2, cs1, true, p));
@ -689,10 +684,9 @@ const runTests = () => {
for (let i = 0; i < 30; i++) testFollow(i);
const testSplitJoinAttributionLines = (randomSeed) => {
const rand = new Random();
print(`> testSplitJoinAttributionLines#${randomSeed}`);
const doc = `${randomMultiline(10, 20, rand)}\n`;
const doc = `${randomMultiline(10, 20)}\n`;
const stringToOps = (str) => {
const assem = Changeset.mergingOpAssembler();
@ -950,21 +944,20 @@ const runTests = () => {
testMutateTextLines(2, 'Z:4>0|1-2-1|2+3$\nc\n', ['a\n', 'b\n'], ['\n', 'c\n', '\n']);
const testInverseRandom = (randomSeed) => {
const rand = new Random();
print(`> testInverseRandom#${randomSeed}`);
const p = poolOrArray(['apple,', 'apple,true', 'banana,', 'banana,true']);
const startText = `${randomMultiline(10, 20, rand)}\n`;
const startText = `${randomMultiline(10, 20)}\n`;
const alines = Changeset.splitAttributionLines(Changeset.makeAttribution(startText), startText);
const lines = startText.slice(0, -1).split('\n').map((s) => `${s}\n`);
const stylifier = randomTestChangeset(startText, rand, true)[0];
const stylifier = randomTestChangeset(startText, true)[0];
Changeset.mutateAttributionLines(stylifier, alines, p);
Changeset.mutateTextLines(stylifier, lines);
const changeset = randomTestChangeset(lines.join(''), rand, true)[0];
const changeset = randomTestChangeset(lines.join(''), true)[0];
const inverseChangeset = Changeset.inverse(changeset, lines, alines, p);
const origLines = lines.slice();