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webzwo0i 2020-07-30 17:44:40 +02:00
parent 2fb729b5e4
commit 876d7db39a
3 changed files with 153 additions and 104 deletions
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44
tests/backend/specs/easysync/textlinemutations.js
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@ -2,6 +2,7 @@ var Changeset = require("ep_etherpad-lite/static/js/Changeset");
var helper = require("./helper.js")
var assertEqualStrings = helper.assertEqualStrings;
var assertEqualArrays = helper.assertEqualArrays;
var assert = helper.assert;
describe("text line mutations",function(){
it("applies mutations to an array of lines #1",function(done){
@ -179,6 +180,49 @@ describe("text line mutations",function(){
})
})
describe("textLinesMutator",function(){
it("hasMore indicates remaining characters",function(done){
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');
done();
});
});
function runMutationTest(origLines, muts) {
var lines1 = origLines.slice();
var mu = Changeset.textLinesMutator(lines1);