week-3 middlewares

week-3/01-middlewares/01-requestcount.js

@@ -9,7 +9,10 @@ let requestCount = 0;
 // Your task is to create a global middleware (app.use) which will
 // maintain a count of the number of requests made to the server in the global
 // requestCount variable
-
+app.use(function(req,res,next){
+  requestCount=requestCount+1;
+  next();
+})
 app.get('/user', function(req, res) {
   res.status(200).json({ name: 'john' });
 });

week-3/01-middlewares/02-ratelimitter.js

@@ -15,7 +15,15 @@ let numberOfRequestsForUser = {};
 setInterval(() => {
     numberOfRequestsForUser = {};
 }, 1000)
-
+app.use((req,res,next)=>{
+  const id = req.header["user-id"];
+  numberOfRequestsForUser[id]=numberOfRequestsForUser[id] ||0;
+  if(numberOfRequestsForUser[id]>=5){
+    return res.status(404).json({msg:"Rate limit Exceeded"});
+  }
+  numberOfRequestsForUser[id]++;
+  next();
+})
 app.get('/user', function(req, res) {
   res.status(200).json({ name: 'john' });
 });

week-3/01-middlewares/03-errorcount.js

@@ -18,7 +18,11 @@ app.get('/user', function(req, res) {
 app.post('/user', function(req, res) {
   res.status(200).json({ msg: 'created dummy user' });
 });
+app.use((err,req,res,next)=>{
+  res.status(404).send("Error")
+  errorCount+=1
 
+})
 app.get('/errorCount', function(req, res) {
   res.status(200).json({ errorCount });
 });

week-3/01-middlewares/coverage/clover.xml

@@ -0,0 +1,39 @@
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week-3/01-middlewares/coverage/coverage-final.json

@@ -0,0 +1,2 @@
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week-3/01-middlewares/coverage/lcov-report/01-requestcount.js.html

@@ -0,0 +1,166 @@
+
+<!doctype html>
+<html lang="en">
+
+<head>
+    <title>Code coverage report for 01-requestcount.js</title>
+    <meta charset="utf-8" />
+    <link rel="stylesheet" href="prettify.css" />
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+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <style type='text/css'>
+        .coverage-summary .sorter {
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+<div class='wrapper'>
+    <div class='pad1'>
+        <h1><a href="index.html">All files</a> 01-requestcount.js</h1>
+        <div class='clearfix'>
+
+            <div class='fl pad1y space-right2'>
+                <span class="strong">96.42% </span>
+                <span class="quiet">Statements</span>
+                <span class='fraction'>27/28</span>
+            </div>
+
+
+            <div class='fl pad1y space-right2'>
+                <span class="strong">100% </span>
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+                <span class='fraction'>3/3</span>
+            </div>
+
+
+            <div class='fl pad1y space-right2'>
+                <span class="strong">100% </span>
+                <span class="quiet">Functions</span>
+                <span class='fraction'>0/0</span>
+            </div>
+
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+            <div class='fl pad1y space-right2'>
+                <span class="strong">96.42% </span>
+                <span class="quiet">Lines</span>
+                <span class='fraction'>27/28</span>
+            </div>
+
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+        </div>
+        <p class="quiet">
+            Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block.
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+                Filter:
+                <input oninput="onInput()" type="search" id="fileSearch">
+            </div>
+        </template>
+    </div>
+    <div class='status-line high'></div>
+    <pre><table class="coverage">
+<tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a>
+<a name='L2'></a><a href='#L2'>2</a>
+<a name='L3'></a><a href='#L3'>3</a>
+<a name='L4'></a><a href='#L4'>4</a>
+<a name='L5'></a><a href='#L5'>5</a>
+<a name='L6'></a><a href='#L6'>6</a>
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+<a name='L8'></a><a href='#L8'>8</a>
+<a name='L9'></a><a href='#L9'>9</a>
+<a name='L10'></a><a href='#L10'>10</a>
+<a name='L11'></a><a href='#L11'>11</a>
+<a name='L12'></a><a href='#L12'>12</a>
+<a name='L13'></a><a href='#L13'>13</a>
+<a name='L14'></a><a href='#L14'>14</a>
+<a name='L15'></a><a href='#L15'>15</a>
+<a name='L16'></a><a href='#L16'>16</a>
+<a name='L17'></a><a href='#L17'>17</a>
+<a name='L18'></a><a href='#L18'>18</a>
+<a name='L19'></a><a href='#L19'>19</a>
+<a name='L20'></a><a href='#L20'>20</a>
+<a name='L21'></a><a href='#L21'>21</a>
+<a name='L22'></a><a href='#L22'>22</a>
+<a name='L23'></a><a href='#L23'>23</a>
+<a name='L24'></a><a href='#L24'>24</a>
+<a name='L25'></a><a href='#L25'>25</a>
+<a name='L26'></a><a href='#L26'>26</a>
+<a name='L27'></a><a href='#L27'>27</a>
+<a name='L28'></a><a href='#L28'>28</a></td><td class="line-coverage quiet"><span class="cline-any cline-yes">1x</span>
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+<span class="cline-any cline-yes">1x</span>
+<span class="cline-any cline-yes">1x</span>
+<span class="cline-any cline-no">&nbsp;</span>
+<span class="cline-any cline-yes">1x</span>
+<span class="cline-any cline-yes">1x</span>
+<span class="cline-any cline-yes">1x</span>
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+<span class="cline-any cline-yes">1x</span>
+<span class="cline-any cline-yes">1x</span></td><td class="text"><pre class="prettyprint lang-js">const request = require('supertest');
+const assert = require('assert');
+const express = require('express');
+&nbsp;
+const app = express();
+let requestCount = 0;
+&nbsp;
+// You have been given an express server which has a few endpoints.
+// Your task is to create a global middleware (app.use) which will
+// maintain a count of the number of requests made to the server in the global
+// requestCount variable
+app.use(function(req,res,next){
+  requestCount=requestCount+1;
+  next();
+})
+app.get('/user', function(req, res) {
+  res.status(200).json({ name: 'john' });
+});
+&nbsp;
+app.post('/user', function(req, res) {
+<span class="cstat-no" title="statement not covered" >  res.status(200).json({ msg: 'created dummy user' });</span>
+});
+&nbsp;
+app.get('/requestCount', function(req, res) {
+  res.status(200).json({ requestCount });
+});
+&nbsp;
+module.exports = app;</pre></td></tr></table></pre>
+
+                <div class='push'></div><!-- for sticky footer -->
+            </div><!-- /wrapper -->
+            <div class='footer quiet pad2 space-top1 center small'>
+                Code coverage generated by
+                <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a>
+                at 2025-01-23T20:40:19.974Z
+            </div>
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+            window.onload = function () {
+                prettyPrint();
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