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adding tests from old etherpad repo

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commit 198b8696d38e360a32cc083a1d57ed283d64ce19 1 parent f1e3cf4
@jucovschi authored
Showing with 949 additions and 0 deletions.
  1. +948 −0 test/types/etherpad.js
  2. +1 −0  tests.coffee
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948 test/types/etherpad.js
@@ -0,0 +1,948 @@
+/**
+ * I found this tests in the old Etherpad and used it to test if the Changeset library can be run on node.js.
+ * It has no use for ep-lite, but I thought I keep it cause it may help someone to understand the Changeset library
+ * https://github.com/ether/pad/blob/master/infrastructure/ace/www/easysync2_tests.js
+ */
+
+/*
+ * Copyright 2009 Google Inc., 2011 Peter 'Pita' Martischka (Primary Technology Ltd)
+ *
+ * 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("../../src/lib-etherpad/Changeset");
+var AttributePool = require("../../src/lib-etherpad/AttributePool");
+
+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 = new AttributePool();
+ 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 = new AttributePool();
+ 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 = new AttributePool();
+
+ 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 = new AttributePool();
+ 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 = new AttributePool();
+ 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 = new AttributePool();
+
+ 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 = new AttributePool();
+ var pool2 = new AttributePool();
+
+ 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 = new AttributePool();
+ 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();
View
1  tests.coffee
@@ -15,6 +15,7 @@ modules = [
'types/text-api'
'types/json'
'types/json-api'
+ 'types/etherpad'
'db'
'model'

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