Meilleure gestion arbre immutable

test/tree.js

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+var Tree = require('../src/util/tree');
+
+var TreeSuite = module.exports = {};
+
+TreeSuite.getPropertyByPath = function(test) {
+  var tree = new Tree(this.treeState);
+  var label = tree.get(['items', 1, 'label']);
+  test.ok(label === 'root.child2', 'The property value should be "root.child2" !');
+  test.done();
+};
+
+TreeSuite.updatePropertyByPath = function(test) {
+  var tree = new Tree(this.treeState);
+  var path = ['items', 1, 'label'];
+  tree.update(path, {$set: 'foo'});
+  var label = tree.get(path);
+  test.ok(label === 'foo', 'The property value should be "foo" !');
+  test.done();
+};
+
+TreeSuite.findItem = function(test) {
+  var tree = new Tree(this.treeState);
+  var result = tree.find(this.treeItem);
+  test.ok(result.path.join('.') === 'items.1.items.0.items.0', 'The result should have a path equal to "items.1.items.0.items.0" !');
+  test.done();
+};
+
+TreeSuite.setUp = function(done) {
+
+  this.treeItem = {
+    label: "root.child2.child1.child1",
+    items: []
+  };
+
+  this.treeState = {
+    label: "root",
+    items: [
+      {
+        label: "root.child1",
+        items: [
+          {
+            label: "root.child1.child1",
+            items: [
+
+            ]
+          }
+        ]
+      },
+      {
+        label: "root.child2",
+        items: [
+          {
+            label: "root.child2.child1",
+            items: [
+              this.treeItem
+            ]
+          }
+        ]
+      }
+    ]
+  };
+
+  done();
+
+};