Merge pull request #24 from ebramanti/fix-jest-tests

Fix Jest test runner

package.json

@@ -7,7 +7,7 @@
     "@craco/craco": "^5.7.0",
     "@ledgerhq/hw-transport-webusb": "^5.41.0",
     "@project-serum/serum": "^0.13.34",
-    "@project-serum/sol-wallet-adapter": "^0.2.0",
+    "@project-serum/sol-wallet-adapter": "^0.2.4",
     "@solana/spl-token": "^0.1.6",
     "@solana/spl-token-registry": "^0.2.203",
     "@solana/spl-token-swap": "^0.1.0",
@@ -74,5 +74,13 @@
     "arweave-deploy": "^1.9.1",
     "gh-pages": "^3.1.0",
     "prettier": "^2.1.2"
+  },
+  "jest": {
+    "transform": {
+      "(@project-serum/sol-wallet-adapter).+\\.js$": "<rootDir>/node_modules/react-scripts/node_modules/babel-jest"
+    },
+    "transformIgnorePatterns": [
+      "/node_modules/(?!@project-serum/sol-wallet-adapter)"
+    ]
   }
 }

src/App.test.tsx

@@ -2,8 +2,15 @@ import React from "react";
 import { render } from "@testing-library/react";
 import App from "./App";
 
-test("renders learn react link", () => {
+jest.mock("./components/Identicon", () => {
+  return {
+    __esModule: true,
+    Identicon: () => null,
+  };
+});
+
+test("renders balances text", () => {
   const { getByText } = render(<App />);
-  const linkElement = getByText(/learn react/i);
+  const linkElement = getByText(/Your balances/i);
   expect(linkElement).toBeInTheDocument();
 });

src/setupTests.ts

@@ -3,3 +3,13 @@
 // expect(element).toHaveTextContent(/react/i)
 // learn more: https://github.com/testing-library/jest-dom
 import "@testing-library/jest-dom/extend-expect";
+
+Object.defineProperty(window, 'matchMedia', {
+  value: () => {
+    return {
+      matches: false,
+      addListener: () => {},
+      removeListener: () => {}
+    };
+  }
+})

tsconfig.json

@@ -13,7 +13,7 @@
     "downlevelIteration": true,
     "resolveJsonModule": true,
     "noEmit": true,
-    "typeRoots": ["./types"],
+    "typeRoots": ["./types", "./node_modules/@types"],
     "jsx": "react",
     "isolatedModules": true
   },

yarn.lock

@@ -1518,10 +1518,10 @@
     bn.js "^5.1.2"
     buffer-layout "^1.2.0"
 
-"@project-serum/sol-wallet-adapter@^0.2.0":
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/@project-serum/sol-wallet-adapter/-/sol-wallet-adapter-0.2.0.tgz#e1fa5508bf13110429bf26e10b818182015f2161"
-  integrity sha512-ed7wZwlDqjF88VCq7eHVO8njHqdUkBxBL8WEVOnB47ooLO4btOJt6GBdkKpKqKX86c86LiEROJclcdW8e7kIjg==
+"@project-serum/sol-wallet-adapter@^0.2.4":
+  version "0.2.4"
+  resolved "https://registry.yarnpkg.com/@project-serum/sol-wallet-adapter/-/sol-wallet-adapter-0.2.4.tgz#205adc303aea38d6c2043cb644fd70ba2fa758e0"
+  integrity sha512-NlFD5FumLddrHsRB1Dco7adiproUvXFC8kRxNg8ptEMD7k9p5gr8iKf6t06eARZAWQ7r90Bq1gEJc9GHlZ0c4Q==
   dependencies:
     bs58 "^4.0.1"
     eventemitter3 "^4.0.4"