test finding through shallow portals

Author: jgzuke

packages/enzyme-test-suite/test/ShallowWrapper-spec.jsx

@@ -1133,11 +1133,29 @@ describe('shallow', () => {
         );
 
         const wrapper = shallow(<Foo />);
-        expect(wrapper.find('Portal').debug()).to.equal(`<Portal containerInfo={{...}}>
-  <div className="in-portal">
-    InPortal
-  </div>
-</Portal>`);
+
+        expect(wrapper.find('Portal')).to.have.lengthOf(1);
+      });
+
+      itIf(is('>= 16'), 'should find elements through portals', () => {
+        const Foo = () => (
+          <div>
+            {createPortal(
+              <div>
+                <h1>Successful Portal!</h1>
+                <span />
+              </div>,
+              { nodeType: 1 },
+            )}
+          </div>
+        );
+
+
+        const wrapper = shallow(<Foo />);
+
+        expect(wrapper.find('h1')).to.have.lengthOf(1);
+
+        expect(wrapper.find('span')).to.have.lengthOf(1);
       });
     });
 
@@ -1445,13 +1463,8 @@ describe('shallow', () => {
       );
 
       const wrapper = shallow(<Foo />);
-      const portal = wrapper.findWhere(node => node.type() === Portal);
-      expect(portal.debug())
-        .to.equal(`<Portal containerInfo={{...}}>
-  <div className="in-portal">
-    InPortal
-  </div>
-</Portal>`);
+
+      expect(wrapper.findWhere(node => node.type() === Portal)).to.have.lengthOf(1);
     });
   });