etherpad-lite/node/easysync_tests.js

943 lines
32 KiB
JavaScript
Raw Normal View History

2011-03-26 14:10:41 +01:00
/**
* Copyright 2009 Google Inc., 2011 Peter 'Pita' Martischka
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS-IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var Changeset = require('./Changeset');
var AttributePoolFactory = require("./AttributePoolFactory");
function random() {
this.nextInt = function (maxValue) {
return Math.floor(Math.random() * maxValue);
}
this.nextDouble = function (maxValue) {
return Math.random();
}
}
function runTests() {
function print(str) {
console.log(str);
}
function assert(code, optMsg) {
if (!eval(code)) throw new Error("FALSE: " + (optMsg || code));
}
function literal(v) {
if ((typeof v) == "string") {
return '"' + v.replace(/[\\\"]/g, '\\$1').replace(/\n/g, '\\n') + '"';
} else
return JSON.stringify(v);
}
function assertEqualArrays(a, b) {
assert("JSON.stringify(" + literal(a) + ") == JSON.stringify(" + literal(b) + ")");
}
function assertEqualStrings(a, b) {
assert(literal(a) + " == " + literal(b));
}
function throughIterator(opsStr) {
var iter = Changeset.opIterator(opsStr);
var assem = Changeset.opAssembler();
while (iter.hasNext()) {
assem.append(iter.next());
}
return assem.toString();
}
function throughSmartAssembler(opsStr) {
var iter = Changeset.opIterator(opsStr);
var assem = Changeset.smartOpAssembler();
while (iter.hasNext()) {
assem.append(iter.next());
}
assem.endDocument();
return assem.toString();
}
(function () {
print("> throughIterator");
var x = '-c*3*4+6|3=az*asdf0*1*2*3+1=1-1+1*0+1=1-1+1|c=c-1';
assert("throughIterator(" + literal(x) + ") == " + literal(x));
})();
(function () {
print("> throughSmartAssembler");
var x = '-c*3*4+6|3=az*asdf0*1*2*3+1=1-1+1*0+1=1-1+1|c=c-1';
assert("throughSmartAssembler(" + literal(x) + ") == " + literal(x));
})();
function applyMutations(mu, arrayOfArrays) {
arrayOfArrays.forEach(function (a) {
var result = mu[a[0]].apply(mu, a.slice(1));
if (a[0] == 'remove' && a[3]) {
assertEqualStrings(a[3], result);
}
});
}
function mutationsToChangeset(oldLen, arrayOfArrays) {
var assem = Changeset.smartOpAssembler();
var op = Changeset.newOp();
var bank = Changeset.stringAssembler();
var oldPos = 0;
var newLen = 0;
arrayOfArrays.forEach(function (a) {
if (a[0] == 'skip') {
op.opcode = '=';
op.chars = a[1];
op.lines = (a[2] || 0);
assem.append(op);
oldPos += op.chars;
newLen += op.chars;
} else if (a[0] == 'remove') {
op.opcode = '-';
op.chars = a[1];
op.lines = (a[2] || 0);
assem.append(op);
oldPos += op.chars;
} else if (a[0] == 'insert') {
op.opcode = '+';
bank.append(a[1]);
op.chars = a[1].length;
op.lines = (a[2] || 0);
assem.append(op);
newLen += op.chars;
}
});
newLen += oldLen - oldPos;
assem.endDocument();
return Changeset.pack(oldLen, newLen, assem.toString(), bank.toString());
}
function runMutationTest(testId, origLines, muts, correct) {
print("> runMutationTest#" + testId);
var lines = origLines.slice();
var mu = Changeset.textLinesMutator(lines);
applyMutations(mu, muts);
mu.close();
assertEqualArrays(correct, lines);
var inText = origLines.join('');
var cs = mutationsToChangeset(inText.length, muts);
lines = origLines.slice();
Changeset.mutateTextLines(cs, lines);
assertEqualArrays(correct, lines);
var correctText = correct.join('');
//print(literal(cs));
var outText = Changeset.applyToText(cs, inText);
assertEqualStrings(correctText, outText);
}
runMutationTest(1, ["apple\n", "banana\n", "cabbage\n", "duffle\n", "eggplant\n"], [
['remove', 1, 0, "a"],
['insert', "tu"],
['remove', 1, 0, "p"],
['skip', 4, 1],
['skip', 7, 1],
['insert', "cream\npie\n", 2],
['skip', 2],
['insert', "bot"],
['insert', "\n", 1],
['insert', "bu"],
['skip', 3],
['remove', 3, 1, "ge\n"],
['remove', 6, 0, "duffle"]
], ["tuple\n", "banana\n", "cream\n", "pie\n", "cabot\n", "bubba\n", "eggplant\n"]);
runMutationTest(2, ["apple\n", "banana\n", "cabbage\n", "duffle\n", "eggplant\n"], [
['remove', 1, 0, "a"],
['remove', 1, 0, "p"],
['insert', "tu"],
['skip', 11, 2],
['insert', "cream\npie\n", 2],
['skip', 2],
['insert', "bot"],
['insert', "\n", 1],
['insert', "bu"],
['skip', 3],
['remove', 3, 1, "ge\n"],
['remove', 6, 0, "duffle"]
], ["tuple\n", "banana\n", "cream\n", "pie\n", "cabot\n", "bubba\n", "eggplant\n"]);
runMutationTest(3, ["apple\n", "banana\n", "cabbage\n", "duffle\n", "eggplant\n"], [
['remove', 6, 1, "apple\n"],
['skip', 15, 2],
['skip', 6],
['remove', 1, 1, "\n"],
['remove', 8, 0, "eggplant"],
['skip', 1, 1]
], ["banana\n", "cabbage\n", "duffle\n"]);
runMutationTest(4, ["15\n"], [
['skip', 1],
['insert', "\n2\n3\n4\n", 4],
['skip', 2, 1]
], ["1\n", "2\n", "3\n", "4\n", "5\n"]);
runMutationTest(5, ["1\n", "2\n", "3\n", "4\n", "5\n"], [
['skip', 1],
['remove', 7, 4, "\n2\n3\n4\n"],
['skip', 2, 1]
], ["15\n"]);
runMutationTest(6, ["123\n", "abc\n", "def\n", "ghi\n", "xyz\n"], [
['insert', "0"],
['skip', 4, 1],
['skip', 4, 1],
['remove', 8, 2, "def\nghi\n"],
['skip', 4, 1]
], ["0123\n", "abc\n", "xyz\n"]);
runMutationTest(7, ["apple\n", "banana\n", "cabbage\n", "duffle\n", "eggplant\n"], [
['remove', 6, 1, "apple\n"],
['skip', 15, 2, true],
['skip', 6, 0, true],
['remove', 1, 1, "\n"],
['remove', 8, 0, "eggplant"],
['skip', 1, 1, true]
], ["banana\n", "cabbage\n", "duffle\n"]);
function poolOrArray(attribs) {
if (attribs.getAttrib) {
return attribs; // it's already an attrib pool
} else {
// assume it's an array of attrib strings to be split and added
var p = AttributePoolFactory.createAttributePool();
attribs.forEach(function (kv) {
p.putAttrib(kv.split(','));
});
return p;
}
}
function runApplyToAttributionTest(testId, attribs, cs, inAttr, outCorrect) {
print("> applyToAttribution#" + testId);
var p = poolOrArray(attribs);
var result = Changeset.applyToAttribution(
Changeset.checkRep(cs), inAttr, p);
assertEqualStrings(outCorrect, result);
}
// turn c<b>a</b>ctus\n into a<b>c</b>tusabcd\n
runApplyToAttributionTest(1, ['bold,', 'bold,true'], "Z:7>3-1*0=1*1=1=3+4$abcd", "+1*1+1|1+5", "+1*1+1|1+8");
// turn "david\ngreenspan\n" into "<b>david\ngreen</b>\n"
runApplyToAttributionTest(2, ['bold,', 'bold,true'], "Z:g<4*1|1=6*1=5-4$", "|2+g", "*1|1+6*1+5|1+1");
(function () {
print("> mutatorHasMore");
var lines = ["1\n", "2\n", "3\n", "4\n"];
var mu;
mu = Changeset.textLinesMutator(lines);
assert(mu.hasMore() + ' == true');
mu.skip(8, 4);
assert(mu.hasMore() + ' == false');
mu.close();
assert(mu.hasMore() + ' == false');
// still 1,2,3,4
mu = Changeset.textLinesMutator(lines);
assert(mu.hasMore() + ' == true');
mu.remove(2, 1);
assert(mu.hasMore() + ' == true');
mu.skip(2, 1);
assert(mu.hasMore() + ' == true');
mu.skip(2, 1);
assert(mu.hasMore() + ' == true');
mu.skip(2, 1);
assert(mu.hasMore() + ' == false');
mu.insert("5\n", 1);
assert(mu.hasMore() + ' == false');
mu.close();
assert(mu.hasMore() + ' == false');
// 2,3,4,5 now
mu = Changeset.textLinesMutator(lines);
assert(mu.hasMore() + ' == true');
mu.remove(6, 3);
assert(mu.hasMore() + ' == true');
mu.remove(2, 1);
assert(mu.hasMore() + ' == false');
mu.insert("hello\n", 1);
assert(mu.hasMore() + ' == false');
mu.close();
assert(mu.hasMore() + ' == false');
})();
function runMutateAttributionTest(testId, attribs, cs, alines, outCorrect) {
print("> runMutateAttributionTest#" + testId);
var p = poolOrArray(attribs);
var alines2 = Array.prototype.slice.call(alines);
var result = Changeset.mutateAttributionLines(
Changeset.checkRep(cs), alines2, p);
assertEqualArrays(outCorrect, alines2);
print("> runMutateAttributionTest#" + testId + ".applyToAttribution");
function removeQuestionMarks(a) {
return a.replace(/\?/g, '');
}
var inMerged = Changeset.joinAttributionLines(alines.map(removeQuestionMarks));
var correctMerged = Changeset.joinAttributionLines(outCorrect.map(removeQuestionMarks));
var mergedResult = Changeset.applyToAttribution(cs, inMerged, p);
assertEqualStrings(correctMerged, mergedResult);
}
// turn 123\n 456\n 789\n into 123\n 4<b>5</b>6\n 789\n
runMutateAttributionTest(1, ["bold,true"], "Z:c>0|1=4=1*0=1$", ["|1+4", "|1+4", "|1+4"], ["|1+4", "+1*0+1|1+2", "|1+4"]);
// make a document bold
runMutateAttributionTest(2, ["bold,true"], "Z:c>0*0|3=c$", ["|1+4", "|1+4", "|1+4"], ["*0|1+4", "*0|1+4", "*0|1+4"]);
// clear bold on document
runMutateAttributionTest(3, ["bold,", "bold,true"], "Z:c>0*0|3=c$", ["*1+1+1*1+1|1+1", "+1*1+1|1+2", "*1+1+1*1+1|1+1"], ["|1+4", "|1+4", "|1+4"]);
// add a character on line 3 of a document with 5 blank lines, and make sure
// the optimization that skips purely-kept lines is working; if any attribution string
// with a '?' is parsed it will cause an error.
runMutateAttributionTest(4, ['foo,bar', 'line,1', 'line,2', 'line,3', 'line,4', 'line,5'], "Z:5>1|2=2+1$x", ["?*1|1+1", "?*2|1+1", "*3|1+1", "?*4|1+1", "?*5|1+1"], ["?*1|1+1", "?*2|1+1", "+1*3|1+1", "?*4|1+1", "?*5|1+1"]);
var testPoolWithChars = (function () {
var p = AttributePoolFactory.createAttributePool();
p.putAttrib(['char', 'newline']);
for (var i = 1; i < 36; i++) {
p.putAttrib(['char', Changeset.numToString(i)]);
}
p.putAttrib(['char', '']);
return p;
})();
// based on runMutationTest#1
runMutateAttributionTest(5, testPoolWithChars, "Z:11>7-2*t+1*u+1|2=b|2+a=2*b+1*o+1*t+1*0|1+1*b+1*u+1=3|1-3-6$" + "tucream\npie\nbot\nbu", ["*a+1*p+2*l+1*e+1*0|1+1", "*b+1*a+1*n+1*a+1*n+1*a+1*0|1+1", "*c+1*a+1*b+2*a+1*g+1*e+1*0|1+1", "*d+1*u+1*f+2*l+1*e+1*0|1+1", "*e+1*g+2*p+1*l+1*a+1*n+1*t+1*0|1+1"], ["*t+1*u+1*p+1*l+1*e+1*0|1+1", "*b+1*a+1*n+1*a+1*n+1*a+1*0|1+1", "|1+6", "|1+4", "*c+1*a+1*b+1*o+1*t+1*0|1+1", "*b+1*u+1*b+2*a+1*0|1+1", "*e+1*g+2*p+1*l+1*a+1*n+1*t+1*0|1+1"]);
// based on runMutationTest#3
runMutateAttributionTest(6, testPoolWithChars, "Z:11<f|1-6|2=f=6|1-1-8$", ["*a|1+6", "*b|1+7", "*c|1+8", "*d|1+7", "*e|1+9"], ["*b|1+7", "*c|1+8", "*d+6*e|1+1"]);
// based on runMutationTest#4
runMutateAttributionTest(7, testPoolWithChars, "Z:3>7=1|4+7$\n2\n3\n4\n", ["*1+1*5|1+2"], ["*1+1|1+1", "|1+2", "|1+2", "|1+2", "*5|1+2"]);
// based on runMutationTest#5
runMutateAttributionTest(8, testPoolWithChars, "Z:a<7=1|4-7$", ["*1|1+2", "*2|1+2", "*3|1+2", "*4|1+2", "*5|1+2"], ["*1+1*5|1+2"]);
// based on runMutationTest#6
runMutateAttributionTest(9, testPoolWithChars, "Z:k<7*0+1*10|2=8|2-8$0", ["*1+1*2+1*3+1|1+1", "*a+1*b+1*c+1|1+1", "*d+1*e+1*f+1|1+1", "*g+1*h+1*i+1|1+1", "?*x+1*y+1*z+1|1+1"], ["*0+1|1+4", "|1+4", "?*x+1*y+1*z+1|1+1"]);
runMutateAttributionTest(10, testPoolWithChars, "Z:6>4=1+1=1+1|1=1+1=1*0+1$abcd", ["|1+3", "|1+3"], ["|1+5", "+2*0+1|1+2"]);
runMutateAttributionTest(11, testPoolWithChars, "Z:s>1|1=4=6|1+1$\n", ["*0|1+4", "*0|1+8", "*0+5|1+1", "*0|1+1", "*0|1+5", "*0|1+1", "*0|1+1", "*0|1+1", "|1+1"], ["*0|1+4", "*0+6|1+1", "*0|1+2", "*0+5|1+1", "*0|1+1", "*0|1+5", "*0|1+1", "*0|1+1", "*0|1+1", "|1+1"]);
function randomInlineString(len, rand) {
var assem = Changeset.stringAssembler();
for (var i = 0; i < len; i++) {
assem.append(String.fromCharCode(rand.nextInt(26) + 97));
}
return assem.toString();
}
function randomMultiline(approxMaxLines, approxMaxCols, rand) {
var numParts = rand.nextInt(approxMaxLines * 2) + 1;
var txt = Changeset.stringAssembler();
txt.append(rand.nextInt(2) ? '\n' : '');
for (var i = 0; i < numParts; i++) {
if ((i % 2) == 0) {
if (rand.nextInt(10)) {
txt.append(randomInlineString(rand.nextInt(approxMaxCols) + 1, rand));
} else {
txt.append('\n');
}
} else {
txt.append('\n');
}
}
return txt.toString();
}
function randomStringOperation(numCharsLeft, rand) {
var result;
switch (rand.nextInt(9)) {
case 0:
{
// insert char
result = {
insert: randomInlineString(1, rand)
};
break;
}
case 1:
{
// delete char
result = {
remove: 1
};
break;
}
case 2:
{
// skip char
result = {
skip: 1
};
break;
}
case 3:
{
// insert small
result = {
insert: randomInlineString(rand.nextInt(4) + 1, rand)
};
break;
}
case 4:
{
// delete small
result = {
remove: rand.nextInt(4) + 1
};
break;
}
case 5:
{
// skip small
result = {
skip: rand.nextInt(4) + 1
};
break;
}
case 6:
{
// insert multiline;
result = {
insert: randomMultiline(5, 20, rand)
};
break;
}
case 7:
{
// delete multiline
result = {
remove: Math.round(numCharsLeft * rand.nextDouble() * rand.nextDouble())
};
break;
}
case 8:
{
// skip multiline
result = {
skip: Math.round(numCharsLeft * rand.nextDouble() * rand.nextDouble())
};
break;
}
case 9:
{
// delete to end
result = {
remove: numCharsLeft
};
break;
}
case 10:
{
// skip to end
result = {
skip: numCharsLeft
};
break;
}
}
var maxOrig = numCharsLeft - 1;
if ('remove' in result) {
result.remove = Math.min(result.remove, maxOrig);
} else if ('skip' in result) {
result.skip = Math.min(result.skip, maxOrig);
}
return result;
}
function randomTwoPropAttribs(opcode, rand) {
// assumes attrib pool like ['apple,','apple,true','banana,','banana,true']
if (opcode == '-' || rand.nextInt(3)) {
return '';
} else if (rand.nextInt(3)) {
if (opcode == '+' || rand.nextInt(2)) {
return '*' + Changeset.numToString(rand.nextInt(2) * 2 + 1);
} else {
return '*' + Changeset.numToString(rand.nextInt(2) * 2);
}
} else {
if (opcode == '+' || rand.nextInt(4) == 0) {
return '*1*3';
} else {
return ['*0*2', '*0*3', '*1*2'][rand.nextInt(3)];
}
}
}
function randomTestChangeset(origText, rand, withAttribs) {
var charBank = Changeset.stringAssembler();
var textLeft = origText; // always keep final newline
var outTextAssem = Changeset.stringAssembler();
var opAssem = Changeset.smartOpAssembler();
var oldLen = origText.length;
var nextOp = Changeset.newOp();
function appendMultilineOp(opcode, txt) {
nextOp.opcode = opcode;
if (withAttribs) {
nextOp.attribs = randomTwoPropAttribs(opcode, rand);
}
txt.replace(/\n|[^\n]+/g, function (t) {
if (t == '\n') {
nextOp.chars = 1;
nextOp.lines = 1;
opAssem.append(nextOp);
} else {
nextOp.chars = t.length;
nextOp.lines = 0;
opAssem.append(nextOp);
}
return '';
});
}
function doOp() {
var o = randomStringOperation(textLeft.length, rand);
if (o.insert) {
var txt = o.insert;
charBank.append(txt);
outTextAssem.append(txt);
appendMultilineOp('+', txt);
} else if (o.skip) {
var txt = textLeft.substring(0, o.skip);
textLeft = textLeft.substring(o.skip);
outTextAssem.append(txt);
appendMultilineOp('=', txt);
} else if (o.remove) {
var txt = textLeft.substring(0, o.remove);
textLeft = textLeft.substring(o.remove);
appendMultilineOp('-', txt);
}
}
while (textLeft.length > 1) doOp();
for (var i = 0; i < 5; i++) doOp(); // do some more (only insertions will happen)
var outText = outTextAssem.toString() + '\n';
opAssem.endDocument();
var cs = Changeset.pack(oldLen, outText.length, opAssem.toString(), charBank.toString());
Changeset.checkRep(cs);
return [cs, outText];
}
function testCompose(randomSeed) {
var rand = new random();
print("> testCompose#" + randomSeed);
var p = AttributePoolFactory.createAttributePool();
var startText = randomMultiline(10, 20, rand) + '\n';
var x1 = randomTestChangeset(startText, rand);
var change1 = x1[0];
var text1 = x1[1];
var x2 = randomTestChangeset(text1, rand);
var change2 = x2[0];
var text2 = x2[1];
var x3 = randomTestChangeset(text2, rand);
var change3 = x3[0];
var text3 = x3[1];
//print(literal(Changeset.toBaseTen(startText)));
//print(literal(Changeset.toBaseTen(change1)));
//print(literal(Changeset.toBaseTen(change2)));
var change12 = Changeset.checkRep(Changeset.compose(change1, change2, p));
var change23 = Changeset.checkRep(Changeset.compose(change2, change3, p));
var change123 = Changeset.checkRep(Changeset.compose(change12, change3, p));
var change123a = Changeset.checkRep(Changeset.compose(change1, change23, p));
assertEqualStrings(change123, change123a);
assertEqualStrings(text2, Changeset.applyToText(change12, startText));
assertEqualStrings(text3, Changeset.applyToText(change23, text1));
assertEqualStrings(text3, Changeset.applyToText(change123, startText));
}
for (var i = 0; i < 30; i++) testCompose(i);
(function simpleComposeAttributesTest() {
print("> simpleComposeAttributesTest");
var p = AttributePoolFactory.createAttributePool();
p.putAttrib(['bold', '']);
p.putAttrib(['bold', 'true']);
var cs1 = Changeset.checkRep("Z:2>1*1+1*1=1$x");
var cs2 = Changeset.checkRep("Z:3>0*0|1=3$");
var cs12 = Changeset.checkRep(Changeset.compose(cs1, cs2, p));
assertEqualStrings("Z:2>1+1*0|1=2$x", cs12);
})();
(function followAttributesTest() {
var p = AttributePoolFactory.createAttributePool();
p.putAttrib(['x', '']);
p.putAttrib(['x', 'abc']);
p.putAttrib(['x', 'def']);
p.putAttrib(['y', '']);
p.putAttrib(['y', 'abc']);
p.putAttrib(['y', 'def']);
function testFollow(a, b, afb, bfa, merge) {
assertEqualStrings(afb, Changeset.followAttributes(a, b, p));
assertEqualStrings(bfa, Changeset.followAttributes(b, a, p));
assertEqualStrings(merge, Changeset.composeAttributes(a, afb, true, p));
assertEqualStrings(merge, Changeset.composeAttributes(b, bfa, true, p));
}
testFollow('', '', '', '', '');
testFollow('*0', '', '', '*0', '*0');
testFollow('*0', '*0', '', '', '*0');
testFollow('*0', '*1', '', '*0', '*0');
testFollow('*1', '*2', '', '*1', '*1');
testFollow('*0*1', '', '', '*0*1', '*0*1');
testFollow('*0*4', '*2*3', '*3', '*0', '*0*3');
testFollow('*0*4', '*2', '', '*0*4', '*0*4');
})();
function testFollow(randomSeed) {
var rand = new random();
print("> testFollow#" + randomSeed);
var p = AttributePoolFactory.createAttributePool();
var startText = randomMultiline(10, 20, rand) + '\n';
var cs1 = randomTestChangeset(startText, rand)[0];
var cs2 = randomTestChangeset(startText, rand)[0];
var afb = Changeset.checkRep(Changeset.follow(cs1, cs2, false, p));
var bfa = Changeset.checkRep(Changeset.follow(cs2, cs1, true, p));
var merge1 = Changeset.checkRep(Changeset.compose(cs1, afb));
var merge2 = Changeset.checkRep(Changeset.compose(cs2, bfa));
assertEqualStrings(merge1, merge2);
}
for (var i = 0; i < 30; i++) testFollow(i);
function testSplitJoinAttributionLines(randomSeed) {
var rand = new random();
print("> testSplitJoinAttributionLines#" + randomSeed);
var doc = randomMultiline(10, 20, rand) + '\n';
function stringToOps(str) {
var assem = Changeset.mergingOpAssembler();
var o = Changeset.newOp('+');
o.chars = 1;
for (var i = 0; i < str.length; i++) {
var c = str.charAt(i);
o.lines = (c == '\n' ? 1 : 0);
o.attribs = (c == 'a' || c == 'b' ? '*' + c : '');
assem.append(o);
}
return assem.toString();
}
var theJoined = stringToOps(doc);
var theSplit = doc.match(/[^\n]*\n/g).map(stringToOps);
assertEqualArrays(theSplit, Changeset.splitAttributionLines(theJoined, doc));
assertEqualStrings(theJoined, Changeset.joinAttributionLines(theSplit));
}
for (var i = 0; i < 10; i++) testSplitJoinAttributionLines(i);
(function testMoveOpsToNewPool() {
print("> testMoveOpsToNewPool");
var pool1 = AttributePoolFactory.createAttributePool();
var pool2 = AttributePoolFactory.createAttributePool();
pool1.putAttrib(['baz', 'qux']);
pool1.putAttrib(['foo', 'bar']);
pool2.putAttrib(['foo', 'bar']);
assertEqualStrings(Changeset.moveOpsToNewPool('Z:1>2*1+1*0+1$ab', pool1, pool2), 'Z:1>2*0+1*1+1$ab');
assertEqualStrings(Changeset.moveOpsToNewPool('*1+1*0+1', pool1, pool2), '*0+1*1+1');
})();
(function testMakeSplice() {
print("> testMakeSplice");
var t = "a\nb\nc\n";
var t2 = Changeset.applyToText(Changeset.makeSplice(t, 5, 0, "def"), t);
assertEqualStrings("a\nb\ncdef\n", t2);
})();
(function testToSplices() {
print("> testToSplices");
var cs = Changeset.checkRep('Z:z>9*0=1=4-3+9=1|1-4-4+1*0+a$123456789abcdefghijk');
var correctSplices = [
[5, 8, "123456789"],
[9, 17, "abcdefghijk"]
];
assertEqualArrays(correctSplices, Changeset.toSplices(cs));
})();
function testCharacterRangeFollow(testId, cs, oldRange, insertionsAfter, correctNewRange) {
print("> testCharacterRangeFollow#" + testId);
var cs = Changeset.checkRep(cs);
assertEqualArrays(correctNewRange, Changeset.characterRangeFollow(cs, oldRange[0], oldRange[1], insertionsAfter));
}
testCharacterRangeFollow(1, 'Z:z>9*0=1=4-3+9=1|1-4-4+1*0+a$123456789abcdefghijk', [7, 10], false, [14, 15]);
testCharacterRangeFollow(2, "Z:bc<6|x=b4|2-6$", [400, 407], false, [400, 401]);
testCharacterRangeFollow(3, "Z:4>0-3+3$abc", [0, 3], false, [3, 3]);
testCharacterRangeFollow(4, "Z:4>0-3+3$abc", [0, 3], true, [0, 0]);
testCharacterRangeFollow(5, "Z:5>1+1=1-3+3$abcd", [1, 4], false, [5, 5]);
testCharacterRangeFollow(6, "Z:5>1+1=1-3+3$abcd", [1, 4], true, [2, 2]);
testCharacterRangeFollow(7, "Z:5>1+1=1-3+3$abcd", [0, 6], false, [1, 7]);
testCharacterRangeFollow(8, "Z:5>1+1=1-3+3$abcd", [0, 3], false, [1, 2]);
testCharacterRangeFollow(9, "Z:5>1+1=1-3+3$abcd", [2, 5], false, [5, 6]);
testCharacterRangeFollow(10, "Z:2>1+1$a", [0, 0], false, [1, 1]);
testCharacterRangeFollow(11, "Z:2>1+1$a", [0, 0], true, [0, 0]);
(function testOpAttributeValue() {
print("> testOpAttributeValue");
var p = AttributePoolFactory.createAttributePool();
p.putAttrib(['name', 'david']);
p.putAttrib(['color', 'green']);
assertEqualStrings("david", Changeset.opAttributeValue(Changeset.stringOp('*0*1+1'), 'name', p));
assertEqualStrings("david", Changeset.opAttributeValue(Changeset.stringOp('*0+1'), 'name', p));
assertEqualStrings("", Changeset.opAttributeValue(Changeset.stringOp('*1+1'), 'name', p));
assertEqualStrings("", Changeset.opAttributeValue(Changeset.stringOp('+1'), 'name', p));
assertEqualStrings("green", Changeset.opAttributeValue(Changeset.stringOp('*0*1+1'), 'color', p));
assertEqualStrings("green", Changeset.opAttributeValue(Changeset.stringOp('*1+1'), 'color', p));
assertEqualStrings("", Changeset.opAttributeValue(Changeset.stringOp('*0+1'), 'color', p));
assertEqualStrings("", Changeset.opAttributeValue(Changeset.stringOp('+1'), 'color', p));
})();
function testAppendATextToAssembler(testId, atext, correctOps) {
print("> testAppendATextToAssembler#" + testId);
var assem = Changeset.smartOpAssembler();
Changeset.appendATextToAssembler(atext, assem);
assertEqualStrings(correctOps, assem.toString());
}
testAppendATextToAssembler(1, {
text: "\n",
attribs: "|1+1"
}, "");
testAppendATextToAssembler(2, {
text: "\n\n",
attribs: "|2+2"
}, "|1+1");
testAppendATextToAssembler(3, {
text: "\n\n",
attribs: "*x|2+2"
}, "*x|1+1");
testAppendATextToAssembler(4, {
text: "\n\n",
attribs: "*x|1+1|1+1"
}, "*x|1+1");
testAppendATextToAssembler(5, {
text: "foo\n",
attribs: "|1+4"
}, "+3");
testAppendATextToAssembler(6, {
text: "\nfoo\n",
attribs: "|2+5"
}, "|1+1+3");
testAppendATextToAssembler(7, {
text: "\nfoo\n",
attribs: "*x|2+5"
}, "*x|1+1*x+3");
testAppendATextToAssembler(8, {
text: "\n\n\nfoo\n",
attribs: "|2+2*x|2+5"
}, "|2+2*x|1+1*x+3");
function testMakeAttribsString(testId, pool, opcode, attribs, correctString) {
print("> testMakeAttribsString#" + testId);
var p = poolOrArray(pool);
var str = Changeset.makeAttribsString(opcode, attribs, p);
assertEqualStrings(correctString, str);
}
testMakeAttribsString(1, ['bold,'], '+', [
['bold', '']
], '');
testMakeAttribsString(2, ['abc,def', 'bold,'], '=', [
['bold', '']
], '*1');
testMakeAttribsString(3, ['abc,def', 'bold,true'], '+', [
['abc', 'def'],
['bold', 'true']
], '*0*1');
testMakeAttribsString(4, ['abc,def', 'bold,true'], '+', [
['bold', 'true'],
['abc', 'def']
], '*0*1');
function testSubattribution(testId, astr, start, end, correctOutput) {
print("> testSubattribution#" + testId);
var str = Changeset.subattribution(astr, start, end);
assertEqualStrings(correctOutput, str);
}
testSubattribution(1, "+1", 0, 0, "");
testSubattribution(2, "+1", 0, 1, "+1");
testSubattribution(3, "+1", 0, undefined, "+1");
testSubattribution(4, "|1+1", 0, 0, "");
testSubattribution(5, "|1+1", 0, 1, "|1+1");
testSubattribution(6, "|1+1", 0, undefined, "|1+1");
testSubattribution(7, "*0+1", 0, 0, "");
testSubattribution(8, "*0+1", 0, 1, "*0+1");
testSubattribution(9, "*0+1", 0, undefined, "*0+1");
testSubattribution(10, "*0|1+1", 0, 0, "");
testSubattribution(11, "*0|1+1", 0, 1, "*0|1+1");
testSubattribution(12, "*0|1+1", 0, undefined, "*0|1+1");
testSubattribution(13, "*0+2+1*1+3", 0, 1, "*0+1");
testSubattribution(14, "*0+2+1*1+3", 0, 2, "*0+2");
testSubattribution(15, "*0+2+1*1+3", 0, 3, "*0+2+1");
testSubattribution(16, "*0+2+1*1+3", 0, 4, "*0+2+1*1+1");
testSubattribution(17, "*0+2+1*1+3", 0, 5, "*0+2+1*1+2");
testSubattribution(18, "*0+2+1*1+3", 0, 6, "*0+2+1*1+3");
testSubattribution(19, "*0+2+1*1+3", 0, 7, "*0+2+1*1+3");
testSubattribution(20, "*0+2+1*1+3", 0, undefined, "*0+2+1*1+3");
testSubattribution(21, "*0+2+1*1+3", 1, undefined, "*0+1+1*1+3");
testSubattribution(22, "*0+2+1*1+3", 2, undefined, "+1*1+3");
testSubattribution(23, "*0+2+1*1+3", 3, undefined, "*1+3");
testSubattribution(24, "*0+2+1*1+3", 4, undefined, "*1+2");
testSubattribution(25, "*0+2+1*1+3", 5, undefined, "*1+1");
testSubattribution(26, "*0+2+1*1+3", 6, undefined, "");
testSubattribution(27, "*0+2+1*1|1+3", 0, 1, "*0+1");
testSubattribution(28, "*0+2+1*1|1+3", 0, 2, "*0+2");
testSubattribution(29, "*0+2+1*1|1+3", 0, 3, "*0+2+1");
testSubattribution(30, "*0+2+1*1|1+3", 0, 4, "*0+2+1*1+1");
testSubattribution(31, "*0+2+1*1|1+3", 0, 5, "*0+2+1*1+2");
testSubattribution(32, "*0+2+1*1|1+3", 0, 6, "*0+2+1*1|1+3");
testSubattribution(33, "*0+2+1*1|1+3", 0, 7, "*0+2+1*1|1+3");
testSubattribution(34, "*0+2+1*1|1+3", 0, undefined, "*0+2+1*1|1+3");
testSubattribution(35, "*0+2+1*1|1+3", 1, undefined, "*0+1+1*1|1+3");
testSubattribution(36, "*0+2+1*1|1+3", 2, undefined, "+1*1|1+3");
testSubattribution(37, "*0+2+1*1|1+3", 3, undefined, "*1|1+3");
testSubattribution(38, "*0+2+1*1|1+3", 4, undefined, "*1|1+2");
testSubattribution(39, "*0+2+1*1|1+3", 5, undefined, "*1|1+1");
testSubattribution(40, "*0+2+1*1|1+3", 1, 5, "*0+1+1*1+2");
testSubattribution(41, "*0+2+1*1|1+3", 2, 6, "+1*1|1+3");
testSubattribution(42, "*0+2+1*1+3", 2, 6, "+1*1+3");
function testFilterAttribNumbers(testId, cs, filter, correctOutput) {
print("> testFilterAttribNumbers#" + testId);
var str = Changeset.filterAttribNumbers(cs, filter);
assertEqualStrings(correctOutput, str);
}
testFilterAttribNumbers(1, "*0*1+1+2+3*1+4*2+5*0*2*1*b*c+6", function (n) {
return (n % 2) == 0;
}, "*0+1+2+3+4*2+5*0*2*c+6");
testFilterAttribNumbers(2, "*0*1+1+2+3*1+4*2+5*0*2*1*b*c+6", function (n) {
return (n % 2) == 1;
}, "*1+1+2+3*1+4+5*1*b+6");
function testInverse(testId, cs, lines, alines, pool, correctOutput) {
print("> testInverse#" + testId);
pool = poolOrArray(pool);
var str = Changeset.inverse(Changeset.checkRep(cs), lines, alines, pool);
assertEqualStrings(correctOutput, str);
}
// take "FFFFTTTTT" and apply "-FT--FFTT", the inverse of which is "--F--TT--"
testInverse(1, "Z:9>0=1*0=1*1=1=2*0=2*1|1=2$", null, ["+4*1+5"], ['bold,', 'bold,true'], "Z:9>0=2*0=1=2*1=2$");
function testMutateTextLines(testId, cs, lines, correctLines) {
print("> testMutateTextLines#" + testId);
var a = lines.slice();
Changeset.mutateTextLines(cs, a);
assertEqualArrays(correctLines, a);
}
testMutateTextLines(1, "Z:4<1|1-2-1|1+1+1$\nc", ["a\n", "b\n"], ["\n", "c\n"]);
testMutateTextLines(2, "Z:4>0|1-2-1|2+3$\nc\n", ["a\n", "b\n"], ["\n", "c\n", "\n"]);
function testInverseRandom(randomSeed) {
var rand = new random();
print("> testInverseRandom#" + randomSeed);
var p = poolOrArray(['apple,', 'apple,true', 'banana,', 'banana,true']);
var startText = randomMultiline(10, 20, rand) + '\n';
var alines = Changeset.splitAttributionLines(Changeset.makeAttribution(startText), startText);
var lines = startText.slice(0, -1).split('\n').map(function (s) {
return s + '\n';
});
var stylifier = randomTestChangeset(startText, rand, true)[0];
//print(alines.join('\n'));
Changeset.mutateAttributionLines(stylifier, alines, p);
//print(stylifier);
//print(alines.join('\n'));
Changeset.mutateTextLines(stylifier, lines);
var changeset = randomTestChangeset(lines.join(''), rand, true)[0];
var inverseChangeset = Changeset.inverse(changeset, lines, alines, p);
var origLines = lines.slice();
var origALines = alines.slice();
Changeset.mutateTextLines(changeset, lines);
Changeset.mutateAttributionLines(changeset, alines, p);
//print(origALines.join('\n'));
//print(changeset);
//print(inverseChangeset);
//print(origLines.map(function(s) { return '1: '+s.slice(0,-1); }).join('\n'));
//print(lines.map(function(s) { return '2: '+s.slice(0,-1); }).join('\n'));
//print(alines.join('\n'));
Changeset.mutateTextLines(inverseChangeset, lines);
Changeset.mutateAttributionLines(inverseChangeset, alines, p);
//print(lines.map(function(s) { return '3: '+s.slice(0,-1); }).join('\n'));
assertEqualArrays(origLines, lines);
assertEqualArrays(origALines, alines);
}
for (var i = 0; i < 30; i++) testInverseRandom(i);
}
runTests();