test: add slide to empty presentation

Author: singerla

__tests__/add-slide-to-empty.test.ts

@@ -0,0 +1,17 @@
+import Automizer from '../src/automizer';
+
+test('load empty presentation and append a slide', async () => {
+  const automizer = new Automizer({
+    templateDir: `${__dirname}/pptx-templates`,
+    outputDir: `${__dirname}/pptx-output`
+  });
+
+  const pres = automizer.loadRoot(`EmptyTemplate.pptx`)
+    .load(`SlideWithNotes.pptx`, 'notes');
+
+  pres.addSlide('notes', 1);
+
+  const result = await pres.write(`add-slide-to-empty.test.pptx`);
+
+  expect(result.slides).toBe(1);
+});