From 325dfbbf1d6bc5511b4542f084b228fa5ede6592 Mon Sep 17 00:00:00 2001
From: Erick <ecanals07@gmail.com>
Date: Thu, 1 Oct 2020 03:43:05 -0400
Subject: [PATCH] Added a route to determine if a year is a leap year or not

---
 routes/routes.js | 94 +++++++++++++++++++++++++++---------------------
 tests/tests.js   | 30 ++++++++++++++--
 2 files changed, 81 insertions(+), 43 deletions(-)

diff --git a/routes/routes.js b/routes/routes.js
index bd091aa..3d05636 100644
--- a/routes/routes.js
+++ b/routes/routes.js
@@ -1,43 +1,57 @@
-const router = require('express')();
-
-router.post('/factorial', (req, res) => {
-
-	//Factorial logic goes here
-	let number = parseInt(req.body.number);
-	let fact = 1;
-
-	for(let i =1 ;i<=number; i++){
-		fact = fact * i
-	}
-
-	res.status(200).send({result: fact})
-
-})
-
-router.post('/palindrome', (req, res) => {
-    //Palindrome logic goes here
-})
-
-router.post('/dudeney', (req, res) => {
-    //Dudeney Number
-    try {
-        let number = req.body.number
-        let sumOfDigits
-        const root = Math.cbrt(number)
-
-        while (number) {
-            sumOfDigits += number % 10;
-            number = Math.floor(number / 10);
-        }
-        if (sumOfDigits == root) {
-            res.status(200).send({ message: "The Number is Dudeney Number" })
-        } else {
-            res.status(200).send({ message: "The Number is Not Dudeney Number" })
-        }
-    } catch (error) {
-        res.send({ Error: error }).status(500)
+const router = require("express")();
+
+router.post("/factorial", (req, res) => {
+  //Factorial logic goes here
+  let number = parseInt(req.body.number);
+  let fact = 1;
+
+  for (let i = 1; i <= number; i++) {
+    fact = fact * i;
+  }
+
+  res.status(200).send({ result: fact });
+});
+
+router.post("/palindrome", (req, res) => {
+  //Palindrome logic goes here
+});
+
+router.post("/dudeney", (req, res) => {
+  //Dudeney Number
+  try {
+    let number = req.body.number;
+    let sumOfDigits;
+    const root = Math.cbrt(number);
+
+    while (number) {
+      sumOfDigits += number % 10;
+      number = Math.floor(number / 10);
     }
-
-})
+    if (sumOfDigits == root) {
+      res.status(200).send({ message: "The Number is Dudeney Number" });
+    } else {
+      res.status(200).send({ message: "The Number is Not Dudeney Number" });
+    }
+  } catch (error) {
+    res.send({ Error: error }).status(500);
+  }
+});
+
+router.post("/leap-year", (req, res) => {
+  let year = req.body.year;
+  let message;
+
+  if (year % 400 === 0) {
+    message = `The year ${year} is a leap year`;
+  } else if (year % 100 === 0) {
+    message = `The year ${year} is not a leap year`;
+  } else if (year % 4 === 0) {
+    message = `The year ${year} is a leap year`;
+  } else {
+    message = `The year ${year} is not a leap year`;
+  }
+
+  res.status(200).send({ message });
+});
 
 module.exports = router;
diff --git a/tests/tests.js b/tests/tests.js
index d0bd4f7..6bd663b 100644
--- a/tests/tests.js
+++ b/tests/tests.js
@@ -1,4 +1,3 @@
-
 const chai = require("chai");
 const chaiHttp = require("chai-http");
 const app = require("../app");
@@ -22,6 +21,31 @@ describe("Starting tests for app.js ->", () => {
         }
       });
   });
-
   //Add more tests here
-})
\ No newline at end of file
+  it("Correctly checks if a given year is leap year or not", (done) => {
+    const leapYears = [1912, 1928, 1936, 1948, 1980, 2000, 2012];
+    const nonLeapYears = [1901, 1913, 1926, 1957, 1962, 1978, 1995];
+
+    for (let i = 1; i < 3; i++) {
+      const yearsToCheck = i === 1 ? leapYears : nonLeapYears;
+      for (const year of yearsToCheck) {
+        chai
+          .request(app)
+          .post("/leap-year")
+          .send({ year })
+          .end((err, res) => {
+            if (err) {
+              done(err);
+              process.exit(1);
+            } else {
+              res.body.message.should.equal(
+                `The year ${year} is${i === 1 ? "" : " not"} a leap year`,
+              );
+            }
+          });
+      }
+    }
+
+    done();
+  });
+});