1 files changed, 44 insertions, 0 deletions
diff --git a/lib/modifiers/summary/__tests__/editPartTitle.js b/lib/modifiers/summary/__tests__/editPartTitle.js
new file mode 100644
index 0000000..d1b916b
--- /dev/null
+++ b/lib/modifiers/summary/__tests__/editPartTitle.js
@@ -0,0 +1,44 @@
+var Summary = require('../../../models/summary');
+var File = require('../../../models/file');
+
+describe('editPartTitle', function() {
+    var editPartTitle = require('../editPartTitle');
+    var summary = Summary.createFromParts(File(), [
+        {
+            articles: [
+                {
+                    title: 'My First Article',
+                    path: 'README.md'
+                },
+                {
+                    title: 'My Second Article',
+                    path: 'article.md'
+                }
+            ]
+        },
+        {
+            title: 'Test'
+        }
+    ]);
+
+    it('should correctly set title of first part', function() {
+        var newSummary = editPartTitle(summary, 0, 'Hello World');
+        var part = newSummary.getPart(0);
+
+        expect(part.getTitle()).toBe('Hello World');
+    });
+
+    it('should correctly set title of second part', function() {
+        var newSummary = editPartTitle(summary, 1, 'Hello');
+        var part = newSummary.getPart(1);
+
+        expect(part.getTitle()).toBe('Hello');
+    });
+
+    it('should not fail if part doesn\'t exist', function() {
+        var newSummary = editPartTitle(summary, 3, 'Hello');
+        expect(newSummary.getParts().size).toBe(2);
+    });
+});
+
+