mirror of
https://github.com/ether/etherpad-lite.git
synced 2025-02-01 03:12:42 +01:00
move mutation tests
This commit is contained in:
webzwo0i
parent
18f6fd7cf4
commit
a2a1fd0490
3 changed files with 243 additions and 232 deletions
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@ -28,14 +28,13 @@ var helper = require("./helper.js")
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var assert = helper.assert;
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var literal = helper.literal;
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//var throughIterator = helper.throughIterator;
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var assertEqualStrings = helper.assertEqualStrings;
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var assertEqualArrays = helper.assertEqualArrays;
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function random() {
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this.nextInt = function (maxValue) {
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return Math.floor(Math.random() * maxValue);
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}
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// maxValue is not used
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this.nextDouble = function (maxValue) {
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return Math.random();
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}
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@ -52,238 +51,8 @@ function random() {
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// assert("throughSmartAssembler(" + literal(x) + ") == " + literal(x));
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// })();
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function applyMutations(mu, arrayOfArrays) {
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arrayOfArrays.forEach(function (a) {
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var result = mu[a[0]].apply(mu, a.slice(1));
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if (a[0] == 'remove' && a[3]) {
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assertEqualStrings(a[3], result);
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}
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});
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}
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function mutationsToChangeset(oldLen, arrayOfArrays) {
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var assem = Changeset.smartOpAssembler();
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var op = Changeset.newOp();
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var bank = Changeset.stringAssembler();
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var oldPos = 0;
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var newLen = 0;
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arrayOfArrays.forEach(function (a) {
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if (a[0] == 'skip') {
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op.opcode = '=';
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op.chars = a[1];
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op.lines = (a[2] || 0);
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assem.append(op);
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oldPos += op.chars;
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newLen += op.chars;
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} else if (a[0] == 'remove') {
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op.opcode = '-';
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op.chars = a[1];
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op.lines = (a[2] || 0);
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assem.append(op);
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oldPos += op.chars;
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} else if (a[0] == 'insert') {
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op.opcode = '+';
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bank.append(a[1]);
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op.chars = a[1].length;
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op.lines = (a[2] || 0);
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assem.append(op);
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newLen += op.chars;
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}
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});
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newLen += oldLen - oldPos;
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assem.endDocument();
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return Changeset.pack(oldLen, newLen, assem.toString(), bank.toString());
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}
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function runMutationTest(origLines, muts) {
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var lines1 = origLines.slice();
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var mu = Changeset.textLinesMutator(lines1);
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applyMutations(mu, muts);
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mu.close();
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var inText = origLines.join('');
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var cs = mutationsToChangeset(inText.length, muts);
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lines2 = origLines.slice();
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Changeset.mutateTextLines(cs, lines2);
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var outText = Changeset.applyToText(cs, inText);
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return [lines1,lines2,outText];
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}
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describe("text line mutations",function(){
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it("applies mutations to an array of lines #1",function(done){
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var expected = ["tuple\n", "banana\n", "cream\n", "pie\n", "cabot\n", "bubba\n", "eggplant\n"];
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var result = runMutationTest(["apple\n", "banana\n", "cabbage\n", "duffle\n", "eggplant\n"], [
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['remove', 1, 0, "a"],
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['insert', "tu"],
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['remove', 1, 0, "p"],
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['skip', 4, 1],
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['skip', 7, 1],
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['insert', "cream\npie\n", 2],
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['skip', 2],
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['insert', "bot"],
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['insert', "\n", 1],
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['insert', "bu"],
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['skip', 3],
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['remove', 3, 1, "ge\n"],
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['remove', 6, 0, "duffle"]
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]);
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if (!assertEqualArrays(result[0], expected)) throw new Error("textLinesMutator result is wrong: expected "+expected+" got "+result[0]);
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if (!assertEqualArrays(result[1], expected)) throw new Error("mutateTextLines result is wrong: expected "+expected+" got "+result[1]);
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if (!assertEqualStrings(result[2], expected.join(''))) throw new Error('applyToText result is wrong: expected '+expected.join('')+" got "+result[2]);
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done()
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})
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it("applies mutations to an array of lines #2",function(done){
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var expected = ["tuple\n", "banana\n", "cream\n", "pie\n", "cabot\n", "bubba\n", "eggplant\n"];
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var result = runMutationTest(["apple\n", "banana\n", "cabbage\n", "duffle\n", "eggplant\n"], [
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['remove', 1, 0, "a"],
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['remove', 1, 0, "p"],
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['insert', "tu"],
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['skip', 11, 2],
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['insert', "cream\npie\n", 2],
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['skip', 2],
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['insert', "bot"],
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['insert', "\n", 1],
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['insert', "bu"],
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['skip', 3],
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['remove', 3, 1, "ge\n"],
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['remove', 6, 0, "duffle"]
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]);
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if (!assertEqualArrays(result[0], expected)) throw new Error("textLinesMutator result is wrong: expected "+expected+" got "+result[0]);
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if (!assertEqualArrays(result[1], expected)) throw new Error("mutateTextLines result is wrong: expected "+expected+" got "+result[1]);
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if (!assertEqualStrings(result[2], expected.join(''))) throw new Error('applyToText result is wrong: expected '+expected.join('')+" got "+result[2]);
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done()
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})
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it("applies mutations to an array of lines #3",function(done){
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var expected = ["banana\n", "cabbage\n", "duffle\n"];
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var result = runMutationTest(["apple\n", "banana\n", "cabbage\n", "duffle\n", "eggplant\n"], [
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['remove', 6, 1, "apple\n"],
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['skip', 15, 2],
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['skip', 6],
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['remove', 1, 1, "\n"],
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['remove', 8, 0, "eggplant"],
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['skip', 1, 1]
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]);
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if (!assertEqualArrays(result[0], expected)) throw new Error("textLinesMutator result is wrong: expected "+expected+" got "+result[0]);
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if (!assertEqualArrays(result[1], expected)) throw new Error("mutateTextLines result is wrong: expected "+expected+" got "+result[1]);
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if (!assertEqualStrings(result[2], expected.join(''))) throw new Error('applyToText result is wrong: expected '+expected.join('')+" got "+result[2]);
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done()
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})
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it("applies mutations to an array of lines #4",function(done){
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var expected = ["1\n", "2\n", "3\n", "4\n", "5\n"];
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var result = runMutationTest(["15\n"], [
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['skip', 1],
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['insert', "\n2\n3\n4\n", 4],
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['skip', 2, 1]
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]);
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if (!assertEqualArrays(result[0], expected)) throw new Error("textLinesMutator result is wrong: expected "+expected+" got "+result[0]);
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if (!assertEqualArrays(result[1], expected)) throw new Error("mutateTextLines result is wrong: expected "+expected+" got "+result[1]);
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if (!assertEqualStrings(result[2], expected.join(''))) throw new Error('applyToText result is wrong: expected '+expected.join('')+" got "+result[2]);
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done()
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})
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it("applies mutations to an array of lines #5",function(done){
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var expected = ["15\n"];
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var result = runMutationTest(["1\n", "2\n", "3\n", "4\n", "5\n"], [
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['skip', 1],
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['remove', 7, 4, "\n2\n3\n4\n"],
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['skip', 2, 1]
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]);
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if (!assertEqualArrays(result[0], expected)) throw new Error("textLinesMutator result is wrong: expected "+expected+" got "+result[0]);
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if (!assertEqualArrays(result[1], expected)) throw new Error("mutateTextLines result is wrong: expected "+expected+" got "+result[1]);
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if (!assertEqualStrings(result[2], expected.join(''))) throw new Error('applyToText result is wrong: expected '+expected.join('')+" got "+result[2]);
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done()
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})
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it("applies mutations to an array of lines #6",function(done){
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var expected = ["0123\n", "abc\n", "xyz\n"];
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var result = runMutationTest(["123\n", "abc\n", "def\n", "ghi\n", "xyz\n"], [
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['insert', "0"],
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['skip', 4, 1],
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['skip', 4, 1],
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['remove', 8, 2, "def\nghi\n"],
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['skip', 4, 1]
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]);
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if (!assertEqualArrays(result[0], expected)) throw new Error("textLinesMutator result is wrong: expected "+expected+" got "+result[0]);
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if (!assertEqualArrays(result[1], expected)) throw new Error("mutateTextLines result is wrong: expected "+expected+" got "+result[1]);
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if (!assertEqualStrings(result[2], expected.join(''))) throw new Error('applyToText result is wrong: expected '+expected.join('')+" got "+result[2]);
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done()
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})
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it("applies mutations to an array of lines #7",function(done){
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var expected = ["banana\n", "cabbage\n", "duffle\n"];
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var result = runMutationTest(["apple\n", "banana\n", "cabbage\n", "duffle\n", "eggplant\n"], [
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['remove', 6, 1, "apple\n"],
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['skip', 15, 2, true],
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['skip', 6, 0, true],
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['remove', 1, 1, "\n"],
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['remove', 8, 0, "eggplant"],
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['skip', 1, 1, true]
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]);
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if (!assertEqualArrays(result[0], expected)) throw new Error("textLinesMutator result is wrong: expected "+expected+" got "+result[0]);
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if (!assertEqualArrays(result[1], expected)) throw new Error("mutateTextLines result is wrong: expected "+expected+" got "+result[1]);
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if (!assertEqualStrings(result[2], expected.join(''))) throw new Error('applyToText result is wrong: expected '+expected.join('')+" got "+result[2]);
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done()
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})
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// #2836 regressions
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xit("applies mutations to an array of lines #8",function(done){
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var expected = ["foo\n","c"];
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var result = runMutationTest(["\n","foo\n","\n"], [
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['remove', 1, 1, "\n"],
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['skip', 4, 1, false],
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['remove', 1, 1, "\n"],
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['insert',"c"]
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]);
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if (!assertEqualArrays(result[0], expected)) throw new Error("textLinesMutator result is wrong: expected "+expected+" got "+result[0]);
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if (!assertEqualArrays(result[1], expected)) throw new Error("mutateTextLines result is wrong: expected "+expected+" got "+result[1]);
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if (!assertEqualStrings(result[2], expected.join(''))) throw new Error('applyToText result is wrong: expected '+expected.join('')+" got "+result[2]);
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done()
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})
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xit("applies mutations to an array of lines #9",function(done){
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var expected = ["fooc"];
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var result = runMutationTest(["\n","foo\n","\n"], [
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['remove', 1, 1, "\n"],
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['skip', 3, 0, false],
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['remove', 2, 2, "\n\n"],
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['insert',"c"]
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]);
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if (!assertEqualArrays(result[0], expected)) throw new Error("textLinesMutator result is wrong: expected "+expected+" got "+result[0]);
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if (!assertEqualArrays(result[1], expected)) throw new Error("mutateTextLines result is wrong: expected "+expected+" got "+result[1]);
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if (!assertEqualStrings(result[2], expected.join(''))) throw new Error('applyToText result is wrong: expected '+expected.join('')+" got "+result[2]);
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done()
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})
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xit("applies mutations to an array of lines #10",function(done){
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var expected = ["c"]; //TODO find out if c must have a newline because of unknown constraints
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var result = runMutationTest(["\n"], [
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['remove', 1, 1, "\n"],
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['insert',"c", 0]
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]);
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if (!assertEqualArrays(result[0], expected)) throw new Error("textLinesMutator result is wrong: expected "+expected+" got "+result[0]);
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if (!assertEqualArrays(result[1], expected)) throw new Error("mutateTextLines result is wrong: expected "+expected+" got "+result[1]);
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if (!assertEqualStrings(result[2], expected.join(''))) throw new Error('applyToText result is wrong: expected '+expected.join('')+" got "+result[2]);
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done()
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})
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xit("applies mutations to an array of lines #11",function(done){
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var expected = ["ac\n"];
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var result = runMutationTest(["\n"], [
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['remove', 1, 1, "\n"],
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['insert', "a"],
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['insert',"c\n", 1]
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]);
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if (!assertEqualArrays(result[0], expected)) throw new Error("textLinesMutator result is wrong: expected "+expected+" got "+result[0]);
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if (!assertEqualArrays(result[1], expected)) throw new Error("mutateTextLines result is wrong: expected "+expected+" got "+result[1]);
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if (!assertEqualStrings(result[2], expected.join(''))) throw new Error('applyToText result is wrong: expected '+expected.join('')+" got "+result[2]);
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done()
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})
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xit("applies mutations to an array of lines #12",function(done){
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var expected = ["a\n","c"]; //TODO find out if c must have a newline because of unknown constraints
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var result = runMutationTest(["\n"], [
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['remove', 1, 1, "\n"],
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['insert', "a\n", 1],
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['insert',"c"]
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]);
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if (!assertEqualArrays(result[0], expected)) throw new Error("textLinesMutator result is wrong: expected "+expected+" got "+result[0]);
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if (!assertEqualArrays(result[1], expected)) throw new Error("mutateTextLines result is wrong: expected "+expected+" got "+result[1]);
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if (!assertEqualStrings(result[2], expected.join(''))) throw new Error('applyToText result is wrong: expected '+expected.join('')+" got "+result[2]);
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done()
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})
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})
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function poolOrArray(attribs) {
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@ -369,6 +138,7 @@ describe("textLinesMutator",function(){
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function runMutateAttributionTest(testId, attribs, cs, alines, outCorrect) {
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var p = poolOrArray(attribs);
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var alines2 = Array.prototype.slice.call(alines);
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// result is never used
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var result = Changeset.mutateAttributionLines(
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Changeset.checkRep(cs), alines2, p);
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assertEqualArrays(outCorrect, alines2);
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@ -558,6 +328,7 @@ describe("textLinesMutator",function(){
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// assumes attrib pool like ['apple,','apple,true','banana,','banana,true']
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if (opcode == '-' || rand.nextInt(3)) {
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return '';
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// branch never taken
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} else if (rand.nextInt(3)) {
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if (opcode == '+' || rand.nextInt(2)) {
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return '*' + Changeset.numToString(rand.nextInt(2) * 2 + 1);
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@ -17,6 +17,7 @@ exports.assertEqualStrings = function (a, b) {
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return a === b
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}
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// not used
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exports.throughIterator = function (opsStr) {
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var iter = Changeset.opIterator(opsStr);
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var assem = Changeset.opAssembler();
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@ -26,6 +27,7 @@ exports.throughIterator = function (opsStr) {
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return assem.toString();
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}
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// not used
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exports.throughSmartAssembler = function (opsStr) {
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var iter = Changeset.opIterator(opsStr);
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var assem = Changeset.smartOpAssembler();
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238
tests/backend/specs/easysync/mutations.js
Normal file
238
tests/backend/specs/easysync/mutations.js
Normal file
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@ -0,0 +1,238 @@
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var Changeset = require("ep_etherpad-lite/static/js/Changeset");
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var helper = require("./helper.js")
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var assertEqualStrings = helper.assertEqualStrings;
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var assertEqualArrays = helper.assertEqualArrays;
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describe("text line mutations",function(){
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it("applies mutations to an array of lines #1",function(done){
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var expected = ["tuple\n", "banana\n", "cream\n", "pie\n", "cabot\n", "bubba\n", "eggplant\n"];
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var result = runMutationTest(["apple\n", "banana\n", "cabbage\n", "duffle\n", "eggplant\n"], [
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['remove', 1, 0, "a"],
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['insert', "tu"],
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['remove', 1, 0, "p"],
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['skip', 4, 1],
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['skip', 7, 1],
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['insert', "cream\npie\n", 2],
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['skip', 2],
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['insert', "bot"],
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['insert', "\n", 1],
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['insert', "bu"],
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['skip', 3],
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['remove', 3, 1, "ge\n"],
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['remove', 6, 0, "duffle"]
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]);
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if (!assertEqualArrays(result[0], expected)) throw new Error("textLinesMutator result is wrong: expected "+expected+" got "+result[0]);
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if (!assertEqualArrays(result[1], expected)) throw new Error("mutateTextLines result is wrong: expected "+expected+" got "+result[1]);
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if (!assertEqualStrings(result[2], expected.join(''))) throw new Error('applyToText result is wrong: expected '+expected.join('')+" got "+result[2]);
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done()
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})
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it("applies mutations to an array of lines #2",function(done){
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var expected = ["tuple\n", "banana\n", "cream\n", "pie\n", "cabot\n", "bubba\n", "eggplant\n"];
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var result = runMutationTest(["apple\n", "banana\n", "cabbage\n", "duffle\n", "eggplant\n"], [
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['remove', 1, 0, "a"],
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['remove', 1, 0, "p"],
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['insert', "tu"],
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['skip', 11, 2],
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['insert', "cream\npie\n", 2],
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['skip', 2],
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['insert', "bot"],
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['insert', "\n", 1],
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['insert', "bu"],
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['skip', 3],
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['remove', 3, 1, "ge\n"],
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['remove', 6, 0, "duffle"]
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]);
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if (!assertEqualArrays(result[0], expected)) throw new Error("textLinesMutator result is wrong: expected "+expected+" got "+result[0]);
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if (!assertEqualArrays(result[1], expected)) throw new Error("mutateTextLines result is wrong: expected "+expected+" got "+result[1]);
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if (!assertEqualStrings(result[2], expected.join(''))) throw new Error('applyToText result is wrong: expected '+expected.join('')+" got "+result[2]);
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done()
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})
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it("applies mutations to an array of lines #3",function(done){
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var expected = ["banana\n", "cabbage\n", "duffle\n"];
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var result = runMutationTest(["apple\n", "banana\n", "cabbage\n", "duffle\n", "eggplant\n"], [
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['remove', 6, 1, "apple\n"],
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['skip', 15, 2],
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['skip', 6],
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['remove', 1, 1, "\n"],
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['remove', 8, 0, "eggplant"],
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['skip', 1, 1]
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]);
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if (!assertEqualArrays(result[0], expected)) throw new Error("textLinesMutator result is wrong: expected "+expected+" got "+result[0]);
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if (!assertEqualArrays(result[1], expected)) throw new Error("mutateTextLines result is wrong: expected "+expected+" got "+result[1]);
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if (!assertEqualStrings(result[2], expected.join(''))) throw new Error('applyToText result is wrong: expected '+expected.join('')+" got "+result[2]);
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done()
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})
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it("applies mutations to an array of lines #4",function(done){
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var expected = ["1\n", "2\n", "3\n", "4\n", "5\n"];
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var result = runMutationTest(["15\n"], [
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['skip', 1],
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['insert', "\n2\n3\n4\n", 4],
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['skip', 2, 1]
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]);
|
||||
if (!assertEqualArrays(result[0], expected)) throw new Error("textLinesMutator result is wrong: expected "+expected+" got "+result[0]);
|
||||
if (!assertEqualArrays(result[1], expected)) throw new Error("mutateTextLines result is wrong: expected "+expected+" got "+result[1]);
|
||||
if (!assertEqualStrings(result[2], expected.join(''))) throw new Error('applyToText result is wrong: expected '+expected.join('')+" got "+result[2]);
|
||||
done()
|
||||
})
|
||||
it("applies mutations to an array of lines #5",function(done){
|
||||
var expected = ["15\n"];
|
||||
var result = runMutationTest(["1\n", "2\n", "3\n", "4\n", "5\n"], [
|
||||
['skip', 1],
|
||||
['remove', 7, 4, "\n2\n3\n4\n"],
|
||||
['skip', 2, 1]
|
||||
]);
|
||||
if (!assertEqualArrays(result[0], expected)) throw new Error("textLinesMutator result is wrong: expected "+expected+" got "+result[0]);
|
||||
if (!assertEqualArrays(result[1], expected)) throw new Error("mutateTextLines result is wrong: expected "+expected+" got "+result[1]);
|
||||
if (!assertEqualStrings(result[2], expected.join(''))) throw new Error('applyToText result is wrong: expected '+expected.join('')+" got "+result[2]);
|
||||
done()
|
||||
})
|
||||
it("applies mutations to an array of lines #6",function(done){
|
||||
var expected = ["0123\n", "abc\n", "xyz\n"];
|
||||
var result = runMutationTest(["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]
|
||||
]);
|
||||
if (!assertEqualArrays(result[0], expected)) throw new Error("textLinesMutator result is wrong: expected "+expected+" got "+result[0]);
|
||||
if (!assertEqualArrays(result[1], expected)) throw new Error("mutateTextLines result is wrong: expected "+expected+" got "+result[1]);
|
||||
if (!assertEqualStrings(result[2], expected.join(''))) throw new Error('applyToText result is wrong: expected '+expected.join('')+" got "+result[2]);
|
||||
done()
|
||||
})
|
||||
it("applies mutations to an array of lines #7",function(done){
|
||||
var expected = ["banana\n", "cabbage\n", "duffle\n"];
|
||||
var result = runMutationTest(["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]
|
||||
]);
|
||||
if (!assertEqualArrays(result[0], expected)) throw new Error("textLinesMutator result is wrong: expected "+expected+" got "+result[0]);
|
||||
if (!assertEqualArrays(result[1], expected)) throw new Error("mutateTextLines result is wrong: expected "+expected+" got "+result[1]);
|
||||
if (!assertEqualStrings(result[2], expected.join(''))) throw new Error('applyToText result is wrong: expected '+expected.join('')+" got "+result[2]);
|
||||
done()
|
||||
})
|
||||
// #2836 regressions
|
||||
xit("applies mutations to an array of lines #8",function(done){
|
||||
var expected = ["foo\n","c"];
|
||||
var result = runMutationTest(["\n","foo\n","\n"], [
|
||||
['remove', 1, 1, "\n"],
|
||||
['skip', 4, 1, false],
|
||||
['remove', 1, 1, "\n"],
|
||||
['insert',"c"]
|
||||
]);
|
||||
if (!assertEqualArrays(result[0], expected)) throw new Error("textLinesMutator result is wrong: expected "+expected+" got "+result[0]);
|
||||
if (!assertEqualArrays(result[1], expected)) throw new Error("mutateTextLines result is wrong: expected "+expected+" got "+result[1]);
|
||||
if (!assertEqualStrings(result[2], expected.join(''))) throw new Error('applyToText result is wrong: expected '+expected.join('')+" got "+result[2]);
|
||||
done()
|
||||
})
|
||||
xit("applies mutations to an array of lines #9",function(done){
|
||||
var expected = ["fooc"];
|
||||
var result = runMutationTest(["\n","foo\n","\n"], [
|
||||
['remove', 1, 1, "\n"],
|
||||
['skip', 3, 0, false],
|
||||
['remove', 2, 2, "\n\n"],
|
||||
['insert',"c"]
|
||||
]);
|
||||
if (!assertEqualArrays(result[0], expected)) throw new Error("textLinesMutator result is wrong: expected "+expected+" got "+result[0]);
|
||||
if (!assertEqualArrays(result[1], expected)) throw new Error("mutateTextLines result is wrong: expected "+expected+" got "+result[1]);
|
||||
if (!assertEqualStrings(result[2], expected.join(''))) throw new Error('applyToText result is wrong: expected '+expected.join('')+" got "+result[2]);
|
||||
done()
|
||||
})
|
||||
xit("applies mutations to an array of lines #10",function(done){
|
||||
var expected = ["c"]; //TODO find out if c must have a newline because of unknown constraints
|
||||
var result = runMutationTest(["\n"], [
|
||||
['remove', 1, 1, "\n"],
|
||||
['insert',"c", 0]
|
||||
]);
|
||||
if (!assertEqualArrays(result[0], expected)) throw new Error("textLinesMutator result is wrong: expected "+expected+" got "+result[0]);
|
||||
if (!assertEqualArrays(result[1], expected)) throw new Error("mutateTextLines result is wrong: expected "+expected+" got "+result[1]);
|
||||
if (!assertEqualStrings(result[2], expected.join(''))) throw new Error('applyToText result is wrong: expected '+expected.join('')+" got "+result[2]);
|
||||
done()
|
||||
})
|
||||
xit("applies mutations to an array of lines #11",function(done){
|
||||
var expected = ["ac\n"];
|
||||
var result = runMutationTest(["\n"], [
|
||||
['remove', 1, 1, "\n"],
|
||||
['insert', "a"],
|
||||
['insert',"c\n", 1]
|
||||
]);
|
||||
if (!assertEqualArrays(result[0], expected)) throw new Error("textLinesMutator result is wrong: expected "+expected+" got "+result[0]);
|
||||
if (!assertEqualArrays(result[1], expected)) throw new Error("mutateTextLines result is wrong: expected "+expected+" got "+result[1]);
|
||||
if (!assertEqualStrings(result[2], expected.join(''))) throw new Error('applyToText result is wrong: expected '+expected.join('')+" got "+result[2]);
|
||||
done()
|
||||
})
|
||||
xit("applies mutations to an array of lines #12",function(done){
|
||||
var expected = ["a\n","c"]; //TODO find out if c must have a newline because of unknown constraints
|
||||
var result = runMutationTest(["\n"], [
|
||||
['remove', 1, 1, "\n"],
|
||||
['insert', "a\n", 1],
|
||||
['insert',"c"]
|
||||
]);
|
||||
if (!assertEqualArrays(result[0], expected)) throw new Error("textLinesMutator result is wrong: expected "+expected+" got "+result[0]);
|
||||
if (!assertEqualArrays(result[1], expected)) throw new Error("mutateTextLines result is wrong: expected "+expected+" got "+result[1]);
|
||||
if (!assertEqualStrings(result[2], expected.join(''))) throw new Error('applyToText result is wrong: expected '+expected.join('')+" got "+result[2]);
|
||||
done()
|
||||
})
|
||||
})
|
||||
|
||||
function runMutationTest(origLines, muts) {
|
||||
var lines1 = origLines.slice();
|
||||
var mu = Changeset.textLinesMutator(lines1);
|
||||
applyMutations(mu, muts);
|
||||
mu.close();
|
||||
|
||||
var inText = origLines.join('');
|
||||
var cs = mutationsToChangeset(inText.length, muts);
|
||||
lines2 = origLines.slice();
|
||||
Changeset.mutateTextLines(cs, lines2);
|
||||
|
||||
var outText = Changeset.applyToText(cs, inText);
|
||||
return [lines1,lines2,outText];
|
||||
}
|
||||
|
||||
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());
|
||||
}
|
||||
Loading…
Reference in a new issue