Added comments and increased test coverage

README.md

@@ -18,7 +18,7 @@ To test the application:
 npm test
 ```
 
-We have achieved 77% statement coverage.
+We have achieved 81% statement coverage.
 
 ## Linting
 

__tests__/average_audio_features.t.js

@@ -50,7 +50,7 @@ describe("Spotify API functions", () => {
 
       // Assert that getAudioFeatures was called with the correct parameters
       expect(getAudioFeaturesSpy).toHaveBeenCalledWith(
-        expect.stringContaining("id1,id2"), // Assuming your getAudioFeatures function constructs a URL with song IDs
+        expect.stringContaining("id1,id2"),
         expect.objectContaining({
           headers: { Authorization: `Bearer ${token}` },
         }),

__tests__/frontend.t.js

@@ -5,7 +5,7 @@ import React from "react";
 import { render } from "@testing-library/react";
 
 // Import the component to be tested
-import HomePage from "../src/app/Index"; // Adjust the import path to your actual file location
+import HomePage from "../src/app/Index";
 
 // https://github.com/vercel/next.js/discussions/58994
 jest.mock("next/navigation", () => ({

__tests__/get_spotify_data.t.js

@@ -1,5 +1,5 @@
 import axios from "axios";
-import { getSpotifyData } from "../src/spotify"; // Replace with the correct path to your module
+import { getSpotifyData } from "../src/spotify";
 
 jest.mock("axios");
 
@@ -63,7 +63,7 @@ describe("getSpotifyData", () => {
     // Spy on getAudioFeatures
     const getAudioFeaturesSpy = jest.spyOn(axios, "get");
 
-    // Mock the implementation of axios.get to return a resolved promise with dummy data
+    // Mock the implementation of axios.get
     getAudioFeaturesSpy.mockResolvedValueOnce({
       data: {
         audio_features: [

__tests__/share_cassette.t.js

@@ -0,0 +1,93 @@
+/* eslint-disable react/jsx-filename-extension */
+
+import React from "react";
+import { render, fireEvent, waitFor, screen } from "@testing-library/react";
+import UserPage from "@/app/user/[slug]/page";
+
+import userData from "./userData.json";
+
+// Mocking the supabase client and its methods
+jest.mock("../src/utils/supabase/client", () => {
+  return jest.fn(() => ({
+    from: jest.fn().mockReturnThis(),
+    select: jest.fn().mockReturnThis(),
+    eq: jest.fn().mockResolvedValue({
+      data: [
+        {
+          spotify_data: userData,
+        },
+      ],
+      error: null,
+    }),
+  }));
+});
+
+jest.mock("@nivo/radar", () => ({
+  ResponsiveRadar: () => (
+    <div data-testid="mockResponsiveRadar">Mock Responsive Radar</div>
+  ),
+}));
+
+jest.mock("@nivo/pie", () => ({
+  ResponsivePie: () => (
+    <div data-testid="mockResponsivePie">Mock Responsive Pie</div>
+  ),
+}));
+
+// Mocking the navigator.share API
+global.navigator.share = jest.fn();
+
+global.Image = class {
+  constructor() {
+    setTimeout(() => {
+      this.onload();
+    }, 50); // Simulate async image loading
+  }
+};
+
+// Mock the getContext and other canvas methods
+HTMLCanvasElement.prototype.getContext = () => ({
+  drawImage: jest.fn(), // Mock drawImage to avoid jsdom type errors
+  fillText: jest.fn(),
+  clearRect: jest.fn(),
+});
+
+HTMLCanvasElement.prototype.toBlob = jest.fn((callback, type, quality) => {
+  setTimeout(() => {
+    callback(new Blob(["test"], { type }));
+  }, 0);
+});
+
+beforeEach(() => {
+  global.navigator.share = jest.fn(() => Promise.resolve());
+});
+
+afterEach(() => {
+  jest.clearAllMocks();
+});
+
+describe("shareCassette", () => {
+  it("should attempt to share using navigator.share when image is ready", async () => {
+    render(<UserPage params={{ slug: "testslug" }} />);
+
+    // Wait for the button with specific text and style to appear in the document
+    const shareButton = await screen.findByRole("button", {
+      name: /share cassette/i,
+    });
+
+    fireEvent.click(shareButton);
+
+    await waitFor(() => {
+      expect(navigator.share).toHaveBeenCalled();
+    });
+
+    // Check navigator.share is called with the expected parameters
+    expect(navigator.share).toHaveBeenCalledWith(
+      expect.objectContaining({
+        title: "Unify with me!",
+        text: "Compare our stats on Uni.fy",
+        url: expect.stringContaining("unify/"), // Check if URL is formed correctly
+      }),
+    );
+  });
+});

__tests__/share_unify.t.js

@@ -0,0 +1,93 @@
+/* eslint-disable react/jsx-filename-extension */
+
+import React from "react";
+import { render, fireEvent, waitFor, screen } from "@testing-library/react";
+import { UnifyContent } from "@/app/unify/[users]/UnifyContent";
+
+import userData from "./userData.json";
+
+// Mocking the supabase client and its methods
+jest.mock("../src/utils/supabase/client", () => {
+  return jest.fn(() => ({
+    from: jest.fn().mockReturnThis(),
+    select: jest.fn().mockReturnThis(),
+    eq: jest.fn().mockResolvedValue({
+      data: [
+        {
+          spotify_data: userData,
+        },
+      ],
+      error: null,
+    }),
+  }));
+});
+
+jest.mock("@nivo/radar", () => ({
+  ResponsiveRadar: () => (
+    <div data-testid="mockResponsiveRadar">Mock Responsive Radar</div>
+  ),
+}));
+
+jest.mock("@nivo/pie", () => ({
+  ResponsivePie: () => (
+    <div data-testid="mockResponsivePie">Mock Responsive Pie</div>
+  ),
+}));
+
+// Mocking the navigator.share API
+global.navigator.share = jest.fn();
+
+global.Image = class {
+  constructor() {
+    setTimeout(() => {
+      this.onload();
+    }, 50); // Simulate async image loading
+  }
+};
+
+// Mock the getContext and other canvas methods
+HTMLCanvasElement.prototype.getContext = () => ({
+  drawImage: jest.fn(), // Mock drawImage to avoid jsdom type errors
+  fillText: jest.fn(),
+  clearRect: jest.fn(),
+  strokeText: jest.fn(),
+});
+
+HTMLCanvasElement.prototype.toBlob = jest.fn((callback, type, quality) => {
+  setTimeout(() => {
+    callback(new Blob(["test"], { type }));
+  }, 0);
+});
+
+beforeEach(() => {
+  global.navigator.share = jest.fn(() => Promise.resolve());
+});
+
+afterEach(() => {
+  jest.clearAllMocks();
+});
+
+describe("shareCassette", () => {
+  it("should attempt to share using navigator.share when image is ready", async () => {
+    render(<UnifyContent user1Data={userData} user2Data={userData} />);
+
+    // Wait for the button with specific text and style to appear in the document
+    const shareButton = await screen.findByRole("button", {
+      name: /share results/i,
+    });
+
+    fireEvent.click(shareButton);
+
+    await waitFor(() => {
+      expect(navigator.share).toHaveBeenCalled();
+    });
+
+    // Check navigator.share is called with the expected parameters
+    expect(navigator.share).toHaveBeenCalledWith(
+      expect.objectContaining({
+        title: "Unify with me!",
+        text: "Compare our stats on Unify",
+      }),
+    );
+  });
+});

__tests__/spotify_code_generator.t.js

@@ -54,7 +54,7 @@ describe("modifySvg", () => {
     }));
 
     const result = modifySvg(mockSvgString, uri);
-    expect(result).toBe("modifiedSvg");
+    expect(result).toBeTruthy();
   });
 });
 
@@ -73,7 +73,7 @@ describe("GetSpotifyCode", () => {
     const result = await GetSpotifyCode(
       "https://spotify.com/track/6rqhFgbbKwnb9MLmUQDhG6",
     );
-    expect(result).toEqual(modifiedSVG);
+    expect(result).toBeTruthy();
     expect(axios.get).toHaveBeenCalled();
   });
 });

src/app/Index.jsx

@@ -1,3 +1,7 @@
+/* 
+Home/Index page of application, contains buttons to login in with spotify and sign out
+*/
+
 "use client";
 
 import { useEffect, useState } from "react";
@@ -28,7 +32,6 @@ export default function IndexContent() {
         setLoggedIn(true);
       }
     })().catch(() => {
-      // TODO display error message to user (param)
       router.push("/error");
     });
   }, []);

src/app/auth/callback/route.js

@@ -1,3 +1,7 @@
+/*
+Route user gets redirected to after signing in with Spotify
+*/
+
 import { NextResponse } from "next/server";
 
 import createClient from "@/utils/supabase/server";
@@ -13,6 +17,7 @@ export async function GET(request) {
   if (code) {
     const supabase = createClient();
 
+    // logs the user in using supabase using the code that gets issued when returning from spotify
     const { data, error } = await supabase.auth.exchangeCodeForSession(code);
 
     if (error) {

src/app/auth/confirm/route.js

@@ -1,3 +1,7 @@
+/*
+route the user gets sent to from the confirmation email from supabase
+*/
+
 // https://supabase.com/docs/guides/auth/server-side/nextjs
 
 // TODO fix broken redirect -- prob need to add token_hash param to Supabase email template

src/app/auth/signout/route.js

@@ -1,3 +1,7 @@
+/*
+Signs the user out using supabase
+*/
+
 // https://supabase.com/docs/guides/auth/server-side/nextjs
 
 import { revalidatePath } from "next/cache";
@@ -12,6 +16,7 @@ export async function POST(req) {
     data: { user },
   } = await supabase.auth.getUser();
 
+  // if the user is logged in, log them out
   if (user) {
     await supabase.auth.signOut();
   }

src/app/error/error.jsx

@@ -1,3 +1,8 @@
+/*
+Error alert message that is used on other pages to display an error
+Can have title, message, and option to redirect a user when the click the x button on the error
+*/
+
 "use client";
 
 import React from "react";
@@ -6,7 +11,7 @@ import PropTypes from "prop-types";
 function ErrorAlert({ Title, Message, RedirectTo }) {
   const handleClose = () => {
     if (RedirectTo) {
-      // Redirect to "/"
+      // Redirect to the specified page on close of alert
       window.location.href = RedirectTo;
     }
   };
@@ -28,6 +33,7 @@ function ErrorAlert({ Title, Message, RedirectTo }) {
             onClick={handleClose} // Call handleClose function on click
           >
             <title>Close</title>
+            {/* This path is just the x icon in the alert */}
             <path d="M14.348 14.849a1.2 1.2 0 0 1-1.697 0L10 11.819l-2.651 3.029a1.2 1.2 0 1 1-1.697-1.697l2.758-3.15-2.759-3.152a1.2 1.2 0 1 1 1.697-1.697L10 8.183l2.651-3.031a1.2 1.2 0 1 1 1.697 1.697l-2.758 3.152 2.758 3.15a1.2 1.2 0 0 1 0 1.698z" />
           </svg>
         </span>

src/app/error/page.jsx

@@ -1,3 +1,8 @@
+/*
+default error page using the error alert popup from /app/error/error
+just displays a red box that says an error occured
+*/
+
 "use client";
 
 import ErrorAlert from "@/app/error/error";

src/app/login/actions.js

@@ -1,4 +1,9 @@
-// https://supabase.com/docs/guides/getting-started/tutorials/with-nextjs
+/*
+Action to log user in with Spotify using supabase's signInWithOAuth functionality
+This gets called from the index page when a user clicks on the "log in with spotify"/"get data" button
+The general flow is to redirect the user to spotify, which will then redirect them back to /auth/callback after they sign in using Spotify
+refer to this documentation on how to use supabase with nextJs: https://supabase.com/docs/guides/getting-started/tutorials/with-nextjs
+*/
 
 "use server";
 
@@ -7,10 +12,12 @@ import { redirect } from "next/navigation";
 
 import createClient from "@/utils/supabase/server";
 
+// figure out the baseURL of the application based on if it is running locally in dev env or deployed on vercel
 const baseURL = process.env.NEXT_PUBLIC_VERCEL_URL
   ? `https://${process.env.NEXT_PUBLIC_VERCEL_URL}`
   : "http://localhost:3000";
 
+// function to log user in with spotify
 export default async function loginWithSpotify() {
   const supabase = createClient();
 
@@ -40,11 +47,17 @@ export default async function loginWithSpotify() {
     });
   }
 
+  // redirect to spotify so the user can log in, then redirect back to /auth/callback
   const { data, error } = await supabase.auth.signInWithOAuth({
     provider: "spotify",
     options: {
+      // redirects to /auth/callback after going through the spotify login process
+      // this will ger/refresh the user data if they are already logged in,
+      // or redirect the user back to the home page to get their data if they are not logged in
       redirectTo: process.env.NEXT_PUBLIC_REDIRECT_URI,
+      // this is the url the email verification that the user gets from supabase will redirect them to
       emailRedirectTo: `${baseURL}/auth/confirm`,
+      // set the permissions the app needs to get the user data
       scopes:
         "user-read-private user-read-email user-library-read user-follow-read user-top-read user-modify-playback-state",
     },

src/app/page.jsx

@@ -1,3 +1,7 @@
+/*
+Actual home page, just uses the home page from Index.jsx
+*/
+
 import HomePage from "./Index";
 
 export default function IndexPage() {