1 files changed, 45 insertions, 0 deletions
diff --git a/lib/modifiers/summary/__tests__/mergeAtLevel.js b/lib/modifiers/summary/__tests__/mergeAtLevel.js
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+++ b/lib/modifiers/summary/__tests__/mergeAtLevel.js
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+var Immutable = require('immutable');
+var Summary = require('../../../models/summary');
+var File = require('../../../models/file');
+
+describe('mergeAtLevel', function() {
+    var mergeAtLevel = require('../mergeAtLevel');
+    var summary = Summary.createFromParts(File(), [
+        {
+            articles: [
+                {
+                    title: '1.1',
+                    path: '1.1'
+                },
+                {
+                    title: '1.2',
+                    path: '1.2'
+                }
+            ]
+        },
+        {
+            title: 'Part I',
+            articles: []
+        }
+    ]);
+
+    it('should edit a part', function() {
+        var beforeChildren = summary.getByLevel('1').getArticles();
+        var newSummary = mergeAtLevel(summary, '1', {title: 'Part O'});
+        var edited = newSummary.getByLevel('1');
+
+        expect(edited.getTitle()).toBe('Part O');
+        // Same children
+        expect(Immutable.is(beforeChildren, edited.getArticles())).toBe(true);
+    });
+
+    it('should edit a part', function() {
+        var beforePath = summary.getByLevel('1.2').getPath();
+        var newSummary = mergeAtLevel(summary, '1.2', {title: 'Renamed article'});
+        var edited = newSummary.getByLevel('1.2');
+
+        expect(edited.getTitle()).toBe('Renamed article');
+        // Same children
+        expect(Immutable.is(beforePath, edited.getPath())).toBe(true);
+    });
+});