test: add integration testing

run server and run yarn run v1.22.19
$ jest psi.test.ts -t 'testing expected server response'
  console.error
    Error fetching data: FetchError {
      message: 'request to http://localhost:18080/breachedPasswords failed, reason: connect ECONNREFUSED 127.0.0.1:18080',
      type: 'system',
      errno: 'ECONNREFUSED',
      code: 'ECONNREFUSED'
    }

      79 |         }
      80 |     } catch (error) {
    > 81 |         console.error("Error fetching data:", error);
         |                 ^
      82 |         return { status: "error" };
      83 |     }
      84 | }

      at app/psi.ts:81:17
      at step (app/psi.ts:33:23)
      at Object.throw (app/psi.ts:14:53)
      at rejected (app/psi.ts:6:65)

  console.error
    Error fetching data: FetchError {
      message: 'request to http://localhost:18080/breachedPasswords failed, reason: connect ECONNREFUSED 127.0.0.1:18080',
      type: 'system',
      errno: 'ECONNREFUSED',
      code: 'ECONNREFUSED'
    }

      79 |         }
      80 |     } catch (error) {
    > 81 |         console.error("Error fetching data:", error);
         |                 ^
      82 |         return { status: "error" };
      83 |     }
      84 | }

      at app/psi.ts:81:17
      at step (app/psi.ts:33:23)
      at Object.throw (app/psi.ts:14:53)
      at rejected (app/psi.ts:6:65)

info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command. from frontend

frontend/app/psi.ts

@@ -1,6 +1,7 @@
 import { base64 } from "rfc4648";
 
 const sodium = require("libsodium-wrappers-sumo");
+const fetch = require("node-fetch");
 
 type ServerResponse = {
     userPassword: string;

frontend/package.json

@@ -6,7 +6,9 @@
         "dev": "next dev",
         "build": "next build",
         "start": "next start",
-        "lint": "next lint"
+        "lint": "next lint",
+        "test": "jest psi.test.ts",
+        "test:integration": "jest psi.test.ts -t 'testing expected server response' "
     },
     "dependencies": {
         "@emotion/react": "^11.11.1",
@@ -15,7 +17,7 @@
         "@mui/material": "^5.14.12",
         "libsodium-wrappers-sumo": "^0.7.13",
         "next": "^13.5.4",
-        "node-fetch": "^2.6.7",
+        "node-fetch": "2",
         "react": "^18",
         "react-dom": "^18",
         "react-password-checklist": "^1.5.0",
@@ -25,12 +27,13 @@
         "@types/jest": "^29.5.10",
         "@types/libsodium-wrappers-sumo": "^0.7.8",
         "@types/node": "^20",
-        "@types/node-fetch": "^2.6.7",
+        "@types/node-fetch": "^2.6.9",
         "@types/react": "^18",
         "@types/react-dom": "^18",
         "autoprefixer": "^10",
         "eslint": "^8",
         "eslint-config-next": "13.5.4",
+        "jest": "^29.7.0",
         "postcss": "^8",
         "tailwindcss": "^3",
         "ts-jest": "^29.1.1",

frontend/tests/psi.test.ts

@@ -1,4 +1,4 @@
-import { applySeed, hashToPoint } from "../app/psi";
+import { applySeed, hashToPoint, checkSecurity } from "../app/psi";
 const sodium = require("libsodium-wrappers-sumo");
 
 beforeAll(async () => {
@@ -14,12 +14,28 @@ describe("testing applySeed", () => {
     // apply the seed
     const [seededPassword, seedInverse] = applySeed(password);
     // apply the inverse to the seeded password
-    const inversedSeededPassword = sodium.crypto_scalarmult_ristretto255(
-      seedInverse,
-      seededPassword
-    );
-
+    const inversedSeededPassword =
+      sodium.crypto_scalarmult_ristretto255(
+        seedInverse,
+        seededPassword
+      );
+
     // check that the seeded+inversed password is the same as the hashed password
-    expect(Buffer.compare(inversedSeededPassword, hashedPassword)).toBe(0);
+    expect(
+      Buffer.compare(inversedSeededPassword, hashedPassword)
+    ).toBe(0);
   });
 });
+
+describe("testing expected server response", () => {
+  test("sending breached password should return fail status", async () => {
+    const password = "TestPass1&";
+    const response = await checkSecurity(password);
+    expect(response.status).toBe("fail");
+  });
+  test("sending non-breach password should return success status", async () => {
+    const password = "NiniIsTheBest!4";
+    const response = await checkSecurity(password);
+    expect(response.status).toBe("success");
+  });
+});