test(utilities): tests for canTextBeChildOfNode

Author: vidhu

lib/utilities.js

@@ -112,7 +112,7 @@ var elementsWithNoTextChildren = new Set([
 ]);
 
 /**
- * Returns True if the the given node can contains text nodes
+ * Returns True if the the given node can contain text nodes
  * @param {DomElement} node
  * @returns {boolean}
  */
@@ -125,5 +125,6 @@ module.exports = {
   invertObject: invertObject,
   isCustomComponent: isCustomComponent,
   setStyleProp: setStyleProp,
-  canTextBeChildOfNode: canTextBeChildOfNode
+  canTextBeChildOfNode: canTextBeChildOfNode,
+  elementsWithNoTextChildren: elementsWithNoTextChildren
 };

test/utilities.test.js

@@ -3,7 +3,9 @@ const {
   PRESERVE_CUSTOM_ATTRIBUTES,
   invertObject,
   isCustomComponent,
-  setStyleProp
+  setStyleProp,
+  elementsWithNoTextChildren,
+  canTextBeChildOfNode
 } = require('../lib/utilities');
 
 describe('invertObject', () => {
@@ -125,3 +127,22 @@ describe('setStyleProp', () => {
     expect(props).toEqual({ style: {} });
   });
 });
+
+describe('canTextBeChildOfNode', () => {
+  it.each(Array.from(elementsWithNoTextChildren))(
+    'returns false since text node can not be child of %s',
+    nodeName => {
+      const node = {
+        name: nodeName
+      };
+      expect(canTextBeChildOfNode(node)).toBe(false);
+    }
+  );
+
+  it('returns true if text can be child of <td/>', () => {
+    const node = {
+      name: 'td'
+    };
+    expect(canTextBeChildOfNode(node)).toBe(true);
+  });
+});