Solved arrays

package.json

@@ -20,6 +20,7 @@
         "build": "react-scripts build",
         "test": "react-scripts test",
         "test:cov": "react-scripts test --coverage --watchAll",
+        "test:json": "react-scripts test --json --watchAll=false --outputFile jest-output.json --coverage",
         "eject": "react-scripts eject",
         "lint": "eslint ./src --ext .tsx --ext .ts --max-warnings 0",
         "eslint-output": "eslint-output ./src --ext .tsx --ext .ts --max-warnings 0",

public/tasks/task-arrays.md

@@ -0,0 +1,5 @@
+# Task - Arrays
+
+Version: 0.0.1
+
+Implement functions that work with arrays immutably.

public/tasks/task-first-branch.md

@@ -0,0 +1,5 @@
+# Task - First Branch
+
+Version: 0.0.1
+
+Pass a short test to have certain text on the page.

public/tasks/task-functions.md

@@ -0,0 +1,5 @@
+# Task - Functions
+
+Version: 0.0.1
+
+Implement a bunch of functions that work on primitives.

public/tasks/task-html-css.md

@@ -0,0 +1,5 @@
+# Task - HTML/CSS
+
+Version: 0.0.1
+
+Add in some HTML and CSS, including a fancy looking button.

src/App.tsx

@@ -1,16 +1,60 @@
 import React from "react";
 import "./App.css";
+import { Button, Col, Row, Container } from "react-bootstrap";
 
 function App(): React.JSX.Element {
     return (
         <div className="App">
             <header className="App-header">
                 UD CISC275 with React Hooks and TypeScript
             </header>
-            <p>
-                Edit <code>src/App.tsx</code> and save. This page will
-                automatically reload.
-            </p>
+            <p>Balamurugan Saravanan Hello World </p>
+            <h1>Task 3</h1>
+            <img src=".../src/dog.jpg" alt="A picture of a dog" />
+            <ul>
+                <li>Rain!</li>
+                <li>Snow</li>
+                <li>Hail</li>
+            </ul>
+            <Button
+                onClick={() => {
+                    console.log("Hello World!");
+                }}
+                className="mb-3"
+            >
+                Log Hello World
+            </Button>
+            <Container>
+                <Row>
+                    <Col>
+                        <div
+                            style={{
+                                width: 100,
+                                height: 100,
+                                backgroundColor: "red",
+                            }}
+                        ></div>
+                    </Col>
+                    <Col>
+                        <div
+                            style={{
+                                width: 100,
+                                height: 100,
+                                backgroundColor: "red",
+                            }}
+                        ></div>
+                    </Col>
+                    <Col>
+                        <div
+                            style={{
+                                width: 100,
+                                height: 100,
+                                backgroundColor: "red",
+                            }}
+                        ></div>
+                    </Col>
+                </Row>
+            </Container>
         </div>
     );
 }

src/HtmlCss.test.tsx

@@ -0,0 +1,83 @@
+import React from "react";
+import { render, screen } from "@testing-library/react";
+import App from "./App";
+import userEvent from "@testing-library/user-event";
+
+describe("Some HTML Elements are added.", () => {
+    test("(2 pts) There is a header", () => {
+        render(<App />);
+        const header = screen.getByRole("heading");
+        expect(header).toBeInTheDocument();
+    });
+
+    test("(2 pts) There is an image with alt text", () => {
+        render(<App />);
+        const image = screen.getByRole("img");
+        expect(image).toBeInTheDocument();
+        expect(image).toHaveAttribute("alt");
+    });
+
+    test("(2 pts) There is a list with at least three elements", () => {
+        render(<App />);
+        const list = screen.getByRole("list");
+        expect(list).toBeInTheDocument();
+        expect(list.children.length).toBeGreaterThanOrEqual(3);
+    });
+});
+
+describe("(2 pts) Some basic CSS is added.", () => {
+    test("The background color of the header area is different", () => {
+        render(<App />);
+        const banner = screen.getByRole("banner");
+        expect(banner).not.toHaveStyle({
+            "background-color": "rgb(40, 44, 52)",
+        });
+    });
+});
+
+describe("(2 pts) Some Bootstrap Elements are added", () => {
+    test("There is one bootstrap button with the text 'Log Hello World'", () => {
+        render(<App />);
+        const button = screen.getByRole("button", { name: /Log Hello World/i });
+        expect(button).toBeInTheDocument();
+        expect(button).toHaveClass("btn");
+        expect(button).toHaveClass("btn-primary");
+    });
+
+    test("(2 pts) Not clicking the bootstrap button does not logs 'Hello World!'", () => {
+        const consoleSpy = jest.spyOn(console, "log");
+        render(<App />);
+        expect(consoleSpy).not.toHaveBeenCalledWith("Hello World!");
+    });
+
+    test("(2 pts) Clicking the bootstrap button logs 'Hello World!'", () => {
+        const consoleSpy = jest.spyOn(console, "log");
+        render(<App />);
+        const button = screen.getByRole("button", { name: /Log Hello World/i });
+        userEvent.click(button);
+        expect(consoleSpy).toHaveBeenCalledWith("Hello World!");
+    });
+});
+
+describe("Some additional CSS was added", () => {
+    test("(2 pts) checks if any element has a background color of red", () => {
+        const { container } = render(<App />);
+        // Get all elements in the rendered container
+        const elements = container.querySelectorAll("*");
+
+        // Check if any element has a background color of red
+        let foundRedBackground = false;
+
+        elements.forEach((element) => {
+            const style = getComputedStyle(element);
+            if (
+                style.backgroundColor === "red" ||
+                style.backgroundColor === "rgb(255, 0, 0)"
+            ) {
+                foundRedBackground = true;
+            }
+        });
+
+        expect(foundRedBackground).toBe(true);
+    });
+});