test: expect DataTransfer.types to follow specs

Author: ph-fritsche

tests/utils/dataTransfer/DataTransfer.ts

@@ -1,3 +1,4 @@
+import { waitFor } from '@testing-library/dom'
 import {createDataTransfer, getBlobFromDataTransferItem} from '#src/utils'
 
 describe('create DataTransfer', () => {
@@ -9,7 +10,7 @@ describe('create DataTransfer', () => {
 
     const callback = mocks.fn()
     dt.items[0].getAsString(callback)
-    expect(callback).toBeCalledWith('foo')
+    await waitFor(() => expect(callback).toBeCalledWith('foo'))
   })
 
   test('multi format', async () => {
@@ -21,7 +22,6 @@ describe('create DataTransfer', () => {
 
     expect(dt.getData('text/plain')).toBe('foo')
     expect(dt.getData('text/html')).toBe('bar')
-    expect(dt.getData('text/*')).toBe('foo')
     expect(dt.getData('text')).toBe('foo')
 
     dt.clearData()
@@ -45,7 +45,12 @@ describe('create DataTransfer', () => {
     const dt = createDataTransfer(window, [f0, f1])
     dt.setData('text/html', 'foo')
 
-    expect(dt.types).toEqual(['Files', 'text/html'])
+    expect(dt.types).toEqual(expect.arrayContaining(
+        // TODO: Fix DataTransferStub
+        typeof window.DataTransfer === 'undefined'
+        ? ['Files', 'text/html']
+        : ['text/html']
+    ))
     expect(dt.files.length).toBe(2)
   })
 
@@ -55,7 +60,14 @@ describe('create DataTransfer', () => {
     dt.setData('text/html', 'foo')
     dt.items.add(f0)
 
-    expect(dt.types).toEqual(['text/html', 'text/plain'])
+    expect(dt.types).toEqual(
+      expect.arrayContaining(
+        // TODO: Fix DataTransferStub
+        typeof window.DataTransfer === 'undefined'
+          ? ['text/html', 'text/plain']
+          : ['text/html', 'Files'],
+      ),
+    )
 
     expect(dt.items[0].getAsFile()).toBe(null)
     expect(dt.items[1].getAsFile()).toBe(f0)
@@ -73,15 +85,21 @@ describe('create DataTransfer', () => {
 
     dt.clearData('text/plain')
 
-    expect(dt.types).toEqual(['text/html'])
-
-    dt.clearData('text/plain')
-
-    expect(dt.types).toEqual(['text/html'])
-
-    dt.clearData()
-
-    expect(dt.types).toEqual([])
+    expect(dt.types).toEqual(
+      expect.arrayContaining(
+        // TODO: Fix DataTransferStub
+        typeof window.DataTransfer === 'undefined'
+          ? ['text/html']
+          : ['text/html', 'Files'],
+      ),
+    )
+
+    dt.clearData('text/html')
+
+    expect(dt.types).toEqual(
+      // TODO: Fix DataTransferStub
+      typeof window.DataTransfer === 'undefined' ? [] : ['Files'],
+    )
   })
 })