first version after migration to mocha

tests/backend/specs/easysync/testSplitJoinAttributionLines.js

@@ -0,0 +1,69 @@
+
+
+var Changeset = require("ep_etherpad-lite/static/js/Changeset");
+var AttributePool = require("ep_etherpad-lite/static/js/AttributePool");
+var helper = require("./helper.js")
+var assertEqualStrings = helper.assertEqualStrings;
+var assertEqualArrays = helper.assertEqualArrays;
+
+describe("testSplitJoinAttributionLines",function(){
+  it("testSplitJoinAttributionLines",function(done){
+    for (var i = 0; i < 10; i++) testSplitJoinAttributionLines(i);
+    done();
+  })
+
+})
+  function testSplitJoinAttributionLines(randomSeed) {
+    var rand = new random();
+
+    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));
+  }
+
+function random() {
+  this.nextInt = function (maxValue) {
+    return Math.floor(Math.random() * maxValue);
+  }
+}
+  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 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();
+  }