From f70dc698686ebc1e835cd32cf5c5b25dc25085ba Mon Sep 17 00:00:00 2001
From: tmnaqeesha <tmnaqeesha@users.noreply.github.com>
Date: Sun, 25 May 2025 22:03:28 +0200
Subject: [PATCH] feat: Add performance test
---
src/tests/RenderingTest.java | 89 ++++++++++++++++++++++++-------
src/tests/ReviewItemBookTest.java | 6 +--
src/tests/Tools.java | 70 ++++++++++++++++++++----
3 files changed, 135 insertions(+), 30 deletions(-)
diff --git a/src/tests/RenderingTest.java b/src/tests/RenderingTest.java
index 8eae4bd..3fd028c 100644
--- a/src/tests/RenderingTest.java
+++ b/src/tests/RenderingTest.java
@@ -1,33 +1,86 @@
package tests;
import opinion.*;
-import teacherTests.Tools;
public class RenderingTest {
- public static void main(String[] args) {
+ private static void runAddMembers() throws Exception {
+ System.out.println("------------------------------------");
+ Tools.resetCounters();
+ int i = 1000;
+ int max = 10000;
ISocialNetwork sn = new SocialNetwork();
+ System.out.println("nbMembersAdded | totalTime | avgTime");
+ for (int current = i; current <= max; current += i) {
+ long before = System.nanoTime();
+ long avgTimeNano = Tools.populate(sn, i, 0, 0, 0); // avg per op in nanoseconds
+ long after = System.nanoTime();
+ double totalTime = (after - before) / 1_000_000.0;
+ double avgTime = avgTimeNano / 1_000_000.0;
+ System.out.printf("%d | %.3fms | %.3fms%n", current, totalTime, avgTime);
+ }
+ }
- try {
- int nbMembers = 500;
- int nbBooks = 2500;
- int nbFilms = 2500;
- int nbReviews = 0;
+ private static void runAddBooks() throws Exception {
+ System.out.println("----------------------------------");
+ Tools.resetCounters();
+ int i = 1000;
+ int max = 10000;
+ ISocialNetwork sn = new SocialNetwork();
+ System.out.println("nbBooksAdded | totalTime | avgTime");
+ for (int current = i; current <= max; current += i) {
+ long before = System.nanoTime();
+ long avgTimeNano = Tools.populate(sn, i, i, 0, 0);
+ long after = System.nanoTime();
+ double totalTime = (after - before) / 1_000_000.0;
+ double avgTime = avgTimeNano / 1_000_000.0;
+ System.out.printf("%d | %.3fms | %.3fms%n", current, totalTime, avgTime);
+ }
+ }
- int totalOperations = nbMembers + nbBooks + nbFilms + nbReviews;
- long startTime = System.nanoTime();
- Tools.populate(sn, nbMembers, nbBooks, nbFilms, nbReviews);
- long endTime = System.nanoTime();
- long totalTimeNano = endTime - startTime;
- double totalTime = totalTimeNano / 1_000_000_000.0;
+ private static void runAddFilms() throws Exception {
+ System.out.println("----------------------------------");
+ Tools.resetCounters();
+ int i = 1000;
+ int max = 10000;
+ ISocialNetwork sn = new SocialNetwork();
+ System.out.println("nbFilmsAdded | totalTime | avgTime");
+ for (int current = i; current <= max; current += i) {
+ long before = System.nanoTime();
+ long avgTimeNano = Tools.populate(sn, i, 0, i, 0);
+ long after = System.nanoTime();
+ double totalTime = (after - before) / 1_000_000.0;
+ double avgTime = avgTimeNano / 1_000_000.0;
+ System.out.printf("%d | %.3fms | %.3fms%n", current, totalTime, avgTime);
+ }
+ }
- System.out.println("\nRENDERING TEST - " + nbMembers + " members, " + nbBooks + " books and " + nbFilms + " films.");
- System.out.printf("Total number of operations: %d", totalOperations);
- System.out.printf("\nTotal time taken: %.3f s%n", totalTime);
+ private static void runAddReviews() throws Exception {
+ System.out.println("------------------------------------");
+ int i = 1000;
+ int max = 10000;
+ System.out.println("nbReviewsAdded | totalTime | avgTime");
+ for (int current = i; current <= max; current += i) {
+ ISocialNetwork sn = new SocialNetwork();
+ Tools.resetCounters();
+ long before = System.nanoTime();
+ long avgTimeNano = Tools.populate(sn, i, 10, 10, i);
+ long after = System.nanoTime();
+ double totalTime = (after - before) / 1_000_000.0;
+ double avgTime = avgTimeNano / 1_000_000.0;
+ System.out.printf("%d | %.3fms | %.3fms%n", current, totalTime, avgTime);
+ }
+ }
+ public static void main(String[] args) {
+ try {
+ runAddMembers();
+ runAddBooks();
+ runAddFilms();
+ runAddReviews();
} catch (Exception e) {
- System.out.println("Error occured in performance test : " + e.getMessage());
+ System.out.println("Error : " + e.getMessage());
e.printStackTrace();
}
}
-}
+}
\ No newline at end of file
diff --git a/src/tests/ReviewItemBookTest.java b/src/tests/ReviewItemBookTest.java
index 327b417..4eb6b48 100644
--- a/src/tests/ReviewItemBookTest.java
+++ b/src/tests/ReviewItemBookTest.java
@@ -125,15 +125,15 @@ public class ReviewItemBookTest {
// Nominal cases
- // Test 3.1 : First review for "El Hobbit", expects average mark of 4.0
+ // Test 3.8 : First review for "El Hobbit", expects average mark of 4.0
nbTests++;
nbErrors += checkReviewItemBookAverage(sn, "Neva", "pass123", "El Hobbit", 4.0f, "So good", 4.0f, "3.8");
- // Test 3.2 : Second review from another user, expects average of (4.0 + 5.0) ÷ 2 = 4.5
+ // Test 3.9 : Second review from another user, expects average of (4.0 + 5.0) ÷ 2 = 4.5
nbTests++;
nbErrors += checkReviewItemBookAverage(sn, "Maryam", "1234pass", "El Hobbit", 5.0f, "Perfect", 4.5f, "3.9");
- // Test 3.3: Update Neva's review to 3.0, expects average of (3.0 + 5.0) ÷ 2 = 4.0
+ // Test 3.10: Update Neva's review to 3.0, expects average of (3.0 + 5.0) ÷ 2 = 4.0
nbTests++;
nbErrors += checkReviewItemBookAverage(sn, "Neva", "pass123", "El Hobbit", 3.0f, "Good but too long", 4.0f, "3.11");
diff --git a/src/tests/Tools.java b/src/tests/Tools.java
index 4805919..4f34ef3 100644
--- a/src/tests/Tools.java
+++ b/src/tests/Tools.java
@@ -1,4 +1,4 @@
-package teacherTests;
+package tests;
import opinion.ISocialNetwork;
import exceptions.*;
@@ -18,9 +18,9 @@ public class Tools {
* They represent the number of members/books/films already generated via Tools
* but depending on other actions made on the ISocialNetwork, they may differ from its actual 'numbers' of members/books/films
*/
- private static int nextMember=1; // next value for members (cf logins/passwords)
- private static int nextBook=1; // next value for books (cf title)
- private static int nextFilm=1; // next value for films (cf title)
+ private static int nextMember = 1; // next value for members (cf logins/passwords)
+ private static int nextBook = 1; // next value for books (cf title)
+ private static int nextFilm = 1; // next value for films (cf title)
/*
* These constants are String or prefix-String to be used when generating new members/books/films/reviews
@@ -40,9 +40,14 @@ public class Tools {
private static final String COMMENT = "comment";
-
-
-
+ /**
+ * Resets the counter for number of members, books and films.
+ */
+ public static void resetCounters() {
+ nextMember = 1;
+ nextBook = 1;
+ nextFilm = 1;
+ }
/**
* Adds members, books, films and reviews to the ISocialNetwork, according to the following process :<br>
@@ -136,7 +141,10 @@ public class Tools {
for (int i = 0; i<nbBookReviews;i++) {// add a book review
- itemNum = 1 + randomGenerator.nextInt(nextBook-2); // choose randomly a book to review - some tricks here, dealing with boundaries
+// itemNum = 1 + randomGenerator.nextInt(nextBook-2); // choose randomly a book to review - some tricks here, dealing with boundaries
+ int max = Math.max(1, nextBook - 2); // ensure bound is at least 1
+ itemNum = 1 + randomGenerator.nextInt(max);
+
before = System.nanoTime();
sn.reviewItemBook(LOGIN+currentMemberNum, PASSWORD+currentMemberNum, TITLE+itemNum, 5*randomGenerator.nextFloat(), COMMENT);
currentMemberNum = (currentMemberNum>1) ? currentMemberNum-1 : nextMember-1; // decrementing modulo nextMember
@@ -146,7 +154,10 @@ public class Tools {
}
for (int i = 0; i<nbFilmReviews;i++) {// add a film review
- itemNum = 1 + randomGenerator.nextInt(nextFilm-2); // choose randomly a film to review - some tricks here, dealing with boundaries
+// itemNum = 1 + randomGenerator.nextInt(nextFilm-2); // choose randomly a film to review - some tricks here, dealing with boundaries
+ int max = Math.max(1, nextFilm - 2);
+ itemNum = 1 + randomGenerator.nextInt(max);
+
before = System.nanoTime();
sn.reviewItemFilm(LOGIN+currentMemberNum, PASSWORD+currentMemberNum, TITLE+itemNum, 5*randomGenerator.nextFloat(), COMMENT);
currentMemberNum = (currentMemberNum>1) ? currentMemberNum-1 : nextMember-1; // decrementing modulo nextMember
@@ -159,4 +170,45 @@ public class Tools {
return elapsedTime/totalNbOfOperations;
}
+
+ /**
+ * Verifies if the SocialNetwork prototype can handle 500 members and 5000 items within 2 seconds.
+ * Verifies if disk space has ≤ 10 GB + 1 GB per 1000 users/items
+ */
+ public static void testPerformancePrototype() {
+ ISocialNetwork sn = new opinion.SocialNetwork();
+ resetCounters();
+
+ int nbMembers = 500;
+ int nbBooks = 2500;
+ int nbFilms = 2500;
+ int nbReviews = 1000;
+
+ try {
+ long before = System.nanoTime();
+ long avgNano = populate(sn, nbMembers, nbBooks, nbFilms, nbReviews);
+ long after = System.nanoTime();
+
+ double totalMillis = (after - before) / 1_000_000.0;
+ double avgMillis = avgNano / 1_000_000.0;
+
+ int totalStorage = (int) Math.ceil(nbMembers / 1000.0 + (nbBooks + nbFilms) / 1000.0) + 10; // Disk space: base 10GB + 1GB per 1000 members and 1000 items
+
+ System.out.println("Prototype Performance Test");
+ System.out.printf("Total members: %d\n", nbMembers);
+ System.out.printf("Total items: %d (%d books & %d films)\n", nbBooks + nbFilms, nbBooks, nbFilms);
+ System.out.printf("Total reviews: %d\n", nbReviews);
+ System.out.printf("Total execution time: %.3f ms\n", totalMillis);
+ System.out.printf("Average operation time: %.6f ms\n", avgMillis);
+ System.out.printf("Meets time requirement: %s\n", totalMillis <= 2000 ? "YES" : "NO");
+ System.out.printf("Estimated disk space required: %d GB\n", totalStorage);
+ } catch (Exception e) {
+ System.out.println("Error : " + e.getMessage());
+ e.printStackTrace();
+ }
+ }
+
+ public static void main(String[] args) {
+ Tools.testPerformancePrototype();
+ }
}
\ No newline at end of file
--
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