bloominstituteoftechnology · dueka · Dec 5, 2019 · Dec 5, 2019 · Dec 5, 2019
diff --git a/web-testing/package.json b/web-testing/package.json
@@ -0,0 +1,34 @@
+{
+  "name": "web-testing",
+  "version": "0.1.0",
+  "private": true,
+  "dependencies": {
+    "@testing-library/jest-dom": "^4.2.4",
+    "@testing-library/react": "^9.3.2",
+    "create-react-app": "^3.3.0",
+    "react": "^16.12.0",
+    "react-dom": "^16.12.0",
+    "react-scripts": "3.3.0"
+  },
+  "scripts": {
+    "start": "react-scripts start",
+    "build": "react-scripts build",
+    "test": "react-scripts test --watchAll --verbose",
+    "eject": "react-scripts eject"
+  },
+  "eslintConfig": {
+    "extends": "react-app"
+  },
+  "browserslist": {
+    "production": [
+      ">0.2%",
+      "not dead",
+      "not op_mini all"
+    ],
+    "development": [
+      "last 1 chrome version",
+      "last 1 firefox version",
+      "last 1 safari version"
+    ]
+  }
+}
diff --git a/web-testing/public/favicon.ico b/web-testing/public/favicon.ico
diff --git a/web-testing/public/index.html b/web-testing/public/index.html
@@ -0,0 +1,43 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <meta name="theme-color" content="#000000" />
+    <meta
+      name="description"
+      content="Web site created using create-react-app"
+    />
+    <link rel="apple-touch-icon" href="logo192.png" />
+    <!--
+      manifest.json provides metadata used when your web app is installed on a
+      user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
+    -->
+    <link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
+    <!--
+      Notice the use of %PUBLIC_URL% in the tags above.
+      It will be replaced with the URL of the `public` folder during the build.
+      Only files inside the `public` folder can be referenced from the HTML.
+
+      Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
+      work correctly both with client-side routing and a non-root public URL.
+      Learn how to configure a non-root public URL by running `npm run build`.
+    -->
+    <title>React App</title>
+  </head>
+  <body>
+    <noscript>You need to enable JavaScript to run this app.</noscript>
+    <div id="root"></div>
+    <!--
+      This HTML file is a template.
+      If you open it directly in the browser, you will see an empty page.
+
+      You can add webfonts, meta tags, or analytics to this file.
+      The build step will place the bundled scripts into the <body> tag.
+
+      To begin the development, run `npm start` or `yarn start`.
+      To create a production bundle, use `npm run build` or `yarn build`.
+    -->
+  </body>
+</html>
diff --git a/web-testing/public/logo192.png b/web-testing/public/logo192.png
diff --git a/web-testing/public/logo512.png b/web-testing/public/logo512.png
diff --git a/web-testing/src/App.css b/web-testing/src/App.css
@@ -0,0 +1,22 @@
+.App {
+  text-align: center;
+}
+
+.App-logo {
+  height: 40vmin;
+}
+
+.App-header {
+  background-color: #282c34;
+  min-height: 100vh;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  font-size: calc(10px + 2vmin);
+  color: white;
+}
+
+.App-link {
+  color: #09d3ac;
+}
diff --git a/web-testing/src/App.js b/web-testing/src/App.js
@@ -0,0 +1,13 @@
+import React from "react";
+import "./App.css";
+import Dashboard from "./components/Dashboard";
+
+function App() {
+  return (
+    <div className="App">
+      <Dashboard />
+    </div>
+  );
+}
+
+export default App;
diff --git a/web-testing/src/App.test.js b/web-testing/src/App.test.js
@@ -0,0 +1,14 @@
+import React from "react";
+// step 1 - the imports
+import * as rtl from "@testing-library/react";
+import "@testing-library/jest-dom/extend-expect";
+import App from "./App";
+
+// step 2 - set up the cleanup
+afterEach(rtl.cleanup);
+// beforeEach, beforeAll, afterAll
+
+it("renders without crashing", () => {
+  // step 3 - mount the component we want to test
+  const wrapper = rtl.render(<App />);
+});
diff --git a/web-testing/src/components/Dashboard.js b/web-testing/src/components/Dashboard.js
@@ -0,0 +1,60 @@
+import React, { useState } from "react";
+import styled from "styled-components";
+
+const CompCount = styled.div`
+  margin: 20px;
+  padding: 10px;
+  border: 2px solid green;
+  border-radius: 4px;
+`;
+const Bracket = styled.div`
+  margin: 20px;
+  padding: 10px;
+  border: 2px solid white;
+  border-radius: 4px;
+`;
+
+// - balls and strikes reset to 0 when a player reaches 3 strikes or 4 balls.
+// - balls and strikes reset to 0 when a `hit` is recorded.
+// - a `foul` increases strikes up to 2. With no strikes, a foul makes it 1 strike. With 1 strike, a foul makes it 2 strikes. With two strikes a foul has no effect, count stays at 2 strikes.
+
+// return [count, increment, decrement];
+
+export default function Counter({ hits }) {
+  const [balls, changeBalls] = useState(0);
+  const [strikes, changeStrike] = useState(0);
+
+  const ballsCount = () => {
+    if (balls === 4) {
+      changeBalls(0);
+      console.log(balls);
+    } else {
+      changeBalls(balls + 1);
+    }
+  };
+
+  const strikeCount = () => {
+    if (strikes === 3) {
+      changeStrike(0);
+      console.log(strikes);
+    } else {
+      changeStrike(strikes + 1);
+    }
+  };
+
+  return (
+    <CompCount>
+      <Bracket>
+        Balls : <span id="count">{balls}</span>
+      </Bracket>
+      <Bracket>
+        Strike: <span id="count">{strikes}</span>
+      </Bracket>
+
+      <button onClick={e => ballsCount()}>Balls</button>
+      <button onClick={e => strikeCount()}>Strike</button>
+      <button>Foul</button>
+      <button id="reset">Hit</button>
+    </CompCount>
+  );
+}
diff --git a/web-testing/src/components/Dashboard.test.js b/web-testing/src/components/Dashboard.test.js
@@ -0,0 +1,14 @@
+import React from "react";
+// step 1 - the imports
+import * as rtl from "@testing-library/react";
+import "@testing-library/jest-dom/extend-expect";
+import Dashboard from "./Dashboard";
+
+// step 2 - set up the cleanup
+afterEach(rtl.cleanup);
+// beforeEach, beforeAll, afterAll
+
+it("renders without crashing", () => {
+  // step 3 - mount the component we want to test
+  const wrapper = rtl.render(<Dashboard />);
+});
diff --git a/web-testing/src/components/Display.js b/web-testing/src/components/Display.js
@@ -0,0 +1 @@
+import React from "react";
diff --git a/web-testing/src/index.css b/web-testing/src/index.css
@@ -0,0 +1,13 @@
+body {
+  margin: 0;
+  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
+    "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue",
+    sans-serif;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+
+code {
+  font-family: source-code-pro, Menlo, Monaco, Consolas, "Courier New",
+    monospace;
+}
diff --git a/web-testing/src/index.js b/web-testing/src/index.js
@@ -0,0 +1,12 @@
+import React from "react";
+import ReactDOM from "react-dom";
+import "./index.css";
+import App from "./App";
+import * as serviceWorker from "./serviceWorker";
+
+ReactDOM.render(<App />, document.getElementById("root"));
+
+// If you want your app to work offline and load faster, you can change
+// unregister() to register() below. Note this comes with some pitfalls.
+// Learn more about service workers: https://bit.ly/CRA-PWA
+serviceWorker.unregister();
diff --git a/web-testing/src/logo.svg b/web-testing/src/logo.svg
diff --git a/web-testing/src/serviceWorker.js b/web-testing/src/serviceWorker.js
@@ -0,0 +1,135 @@
+// This optional code is used to register a service worker.
+// register() is not called by default.
+
+// This lets the app load faster on subsequent visits in production, and gives
+// it offline capabilities. However, it also means that developers (and users)
+// will only see deployed updates on subsequent visits to a page, after all the
+// existing tabs open on the page have been closed, since previously cached
+// resources are updated in the background.
+
+// To learn more about the benefits of this model and instructions on how to
+// opt-in, read https://bit.ly/CRA-PWA
+
+const isLocalhost = Boolean(
+  window.location.hostname === "localhost" ||
+    // [::1] is the IPv6 localhost address.
+    window.location.hostname === "[::1]" ||
+    // 127.0.0.1/8 is considered localhost for IPv4.
+    window.location.hostname.match(
+      /^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/
+    )
+);
+
+export function register(config) {
+  if (process.env.NODE_ENV === "production" && "serviceWorker" in navigator) {
+    // The URL constructor is available in all browsers that support SW.
+    const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href);
+    if (publicUrl.origin !== window.location.origin) {
+      // Our service worker won't work if PUBLIC_URL is on a different origin
+      // from what our page is served on. This might happen if a CDN is used to
+      // serve assets; see https://github.com/facebook/create-react-app/issues/2374
+      return;
+    }
+
+    window.addEventListener("load", () => {
+      const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
+
+      if (isLocalhost) {
+        // This is running on localhost. Let's check if a service worker still exists or not.
+        checkValidServiceWorker(swUrl, config);
+
+        // Add some additional logging to localhost, pointing developers to the
+        // service worker/PWA documentation.
+        navigator.serviceWorker.ready.then(() => {
+          console.log(
+            "This web app is being served cache-first by a service " +
+              "worker. To learn more, visit https://bit.ly/CRA-PWA"
+          );
+        });
+      } else {
+        // Is not localhost. Just register service worker
+        registerValidSW(swUrl, config);
+      }
+    });
+  }
+}
+
+function registerValidSW(swUrl, config) {
+  navigator.serviceWorker
+    .register(swUrl)
+    .then(registration => {
+      registration.onupdatefound = () => {
+        const installingWorker = registration.installing;
+        if (installingWorker == null) {
+          return;
+        }
+        installingWorker.onstatechange = () => {
+          if (installingWorker.state === "installed") {
+            if (navigator.serviceWorker.controller) {
+              // At this point, the updated precached content has been fetched,
+              // but the previous service worker will still serve the older
+              // content until all client tabs are closed.
+              console.log(
+                "New content is available and will be used when all " +
+                  "tabs for this page are closed. See https://bit.ly/CRA-PWA."
+              );
+
+              // Execute callback
+              if (config && config.onUpdate) {
+                config.onUpdate(registration);
+              }
+            } else {
+              // At this point, everything has been precached.
+              // It's the perfect time to display a
+              // "Content is cached for offline use." message.
+              console.log("Content is cached for offline use.");
+
+              // Execute callback
+              if (config && config.onSuccess) {
+                config.onSuccess(registration);
+              }
+            }
+          }
+        };
+      };
+    })
+    .catch(error => {
+      console.error("Error during service worker registration:", error);
+    });
+}
+
+function checkValidServiceWorker(swUrl, config) {
+  // Check if the service worker can be found. If it can't reload the page.
+  fetch(swUrl)
+    .then(response => {
+      // Ensure service worker exists, and that we really are getting a JS file.
+      const contentType = response.headers.get("content-type");
+      if (
+        response.status === 404 ||
+        (contentType != null && contentType.indexOf("javascript") === -1)
+      ) {
+        // No service worker found. Probably a different app. Reload the page.
+        navigator.serviceWorker.ready.then(registration => {
+          registration.unregister().then(() => {
+            window.location.reload();
+          });
+        });
+      } else {
+        // Service worker found. Proceed as normal.
+        registerValidSW(swUrl, config);
+      }
+    })
+    .catch(() => {
+      console.log(
+        "No internet connection found. App is running in offline mode."
+      );
+    });
+}
+
+export function unregister() {
+  if ("serviceWorker" in navigator) {
+    navigator.serviceWorker.ready.then(registration => {
+      registration.unregister();
+    });
+  }
+}