Update enzyme to v3

package.json

@@ -50,7 +50,8 @@
     "babel-preset-react": "^6.24.1",
     "cross-env": "^5.0.5",
     "doctoc": "^1.3.0",
-    "enzyme": "^2.9.1",
+    "enzyme": "^3.7.0",
+    "enzyme-adapter-react-15": "^1.1.1",
     "eslint": "^4.6.1",
     "eslint-config-prettier": "2.9.0",
     "eslint-config-stripe": "^1.0.13",
@@ -73,5 +74,8 @@
   "peerDependencies": {
     "react": "^15.5.4 || ^16.0.0-0",
     "react-dom": "^15.5.4 || ^16.0.0-0"
+  },
+  "jest": {
+    "setupTestFrameworkScriptFile": "<rootDir>/src/setupTests.js"
   }
 }

src/components/Elements.test.js

@@ -32,7 +32,7 @@ describe('Elements', () => {
       </Elements>,
       {context: syncContext}
     );
-    const childContext = wrapper.node.getChildContext();
+    const childContext = wrapper.instance().getChildContext();
     expect(Object.keys(childContext)).toEqual([
       'addElementsLoadListener',
       'registerElement',
@@ -52,7 +52,7 @@ describe('Elements', () => {
       </Elements>,
       {context: syncContext}
     );
-    const childContext = wrapper.node.getChildContext();
+    const childContext = wrapper.instance().getChildContext();
 
     const mockCallback = jest.fn();
     childContext.addElementsLoadListener(mockCallback);
@@ -76,7 +76,7 @@ describe('Elements', () => {
       </Elements>,
       {context: asyncContext}
     );
-    const childContext = wrapper.node.getChildContext();
+    const childContext = wrapper.instance().getChildContext();
 
     const a = new Promise((resolve) =>
       childContext.addElementsLoadListener((first) => {

src/components/Provider.test.js

@@ -102,7 +102,7 @@ describe('StripeProvider', () => {
         <form />
       </StripeProvider>
     );
-    const childContext = wrapper.node.getChildContext();
+    const childContext = wrapper.instance().getChildContext();
     expect(childContext).toEqual({stripe: stripeMockResult, tag: 'sync'});
   });
 
@@ -112,7 +112,7 @@ describe('StripeProvider', () => {
         <form />
       </StripeProvider>
     );
-    const childContext = wrapper.node.getChildContext();
+    const childContext = wrapper.instance().getChildContext();
     expect(childContext).toEqual({stripe: stripeMockResult, tag: 'sync'});
   });
 
@@ -122,7 +122,7 @@ describe('StripeProvider', () => {
         <form />
       </StripeProvider>
     );
-    const childContext = wrapper.node.getChildContext();
+    const childContext = wrapper.instance().getChildContext();
     expect(childContext).toHaveProperty('addStripeLoadListener');
     expect(childContext).toHaveProperty('tag', 'async');
   });
@@ -134,7 +134,7 @@ describe('StripeProvider', () => {
       </StripeProvider>
     );
 
-    const childContext = wrapper.node.getChildContext();
+    const childContext = wrapper.instance().getChildContext();
     childContext.addStripeLoadListener((stripe) => {
       expect(stripe).toEqual(stripeMockResult);
       done();
@@ -152,7 +152,7 @@ describe('StripeProvider', () => {
         <form />
       </StripeProvider>
     );
-    let childContext = wrapper.node.getChildContext();
+    let childContext = wrapper.instance().getChildContext();
     const keyOneInstance = childContext.stripe;
     expect(keyOneInstance).toBeTruthy();
 
@@ -162,7 +162,7 @@ describe('StripeProvider', () => {
         <form />
       </StripeProvider>
     );
-    childContext = wrapper.node.getChildContext();
+    childContext = wrapper.instance().getChildContext();
     expect(childContext.stripe).toBe(keyOneInstance);
 
     // Create another, but with a different key!
@@ -171,7 +171,7 @@ describe('StripeProvider', () => {
         <form />
       </StripeProvider>
     );
-    childContext = wrapper.node.getChildContext();
+    childContext = wrapper.instance().getChildContext();
     expect(childContext.stripe).not.toBe(keyOneInstance);
   });
 

src/components/inject.test.js

@@ -267,7 +267,7 @@ describe('injectStripe()', () => {
         context,
       });
 
-      expect(() => wrapper.node.getWrappedInstance()).toThrow(
+      expect(() => wrapper.instance().getWrappedInstance()).toThrow(
         'To access the wrapped instance, the `{withRef: true}` option must be set when calling `injectStripe()`'
       );
     });
@@ -289,7 +289,7 @@ describe('injectStripe()', () => {
       });
 
       expect(
-        wrapper.node.getWrappedInstance() instanceof WrappedClassComponent
+        wrapper.instance().getWrappedInstance() instanceof WrappedClassComponent
       ).toBe(true);
     });
   });

src/setupTests.js

@@ -0,0 +1,5 @@
+// @noflow
+import { configure } from 'enzyme';
+import Adapter from 'enzyme-adapter-react-15';
+
+configure({ adapter: new Adapter() });