Fix issue #1195 add a simple performance test in test suit.

src/test/java/spark/ChangePerformanceTest.java

@@ -0,0 +1,216 @@
+package spark;
+
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import spark.util.SparkTestUtil;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Random;
+
+import static org.junit.Assert.assertEquals;
+import static spark.Spark.*;
+
+// A simple performance test in test suite to gauge changes effect on performance.
+public class ChangePerformanceTest {
+
+    public static final String BOOKS = "/books";
+
+    public static final int PORT = 4567;
+
+    private static final SparkTestUtil http = new SparkTestUtil(PORT);
+
+    private static Map<String, Book> books = new HashMap<String, Book>();
+
+    private static final int testNumber = 1000;
+
+    @AfterClass
+    public static void tearDown() {
+        Spark.stop();
+    }
+
+    @BeforeClass
+    public static void setup() throws IOException {
+
+        final Random random = new Random();
+
+        // Creates a new book resource, will return the ID to the created resource
+        // author and title are sent in the post body as x-www-urlencoded values e.g. author=Foo&title=Bar
+        // you get them by using request.queryParams("valuename")
+        post("/books", (request, response) -> {
+            String author = request.queryParams("author");
+            String title = request.queryParams("title");
+            Book book = new Book(author, title);
+
+            int id = random.nextInt(Integer.MAX_VALUE);
+            books.put(String.valueOf(id), book);
+
+            response.status(201); // 201 Created
+            return id;
+        });
+
+        // Gets the book resource for the provided id
+        get("/books/:id", (request, response) -> {
+            Book book = books.get(request.params(":id"));
+            if (book != null) {
+                return "Title: " + book.getTitle() + ", Author: " + book.getAuthor();
+            } else {
+                response.status(404); // 404 Not found
+                return "Book not found";
+            }
+        });
+
+        // Updates the book resource for the provided id with new information
+        // author and title are sent in the request body as x-www-urlencoded values e.g. author=Foo&title=Bar
+        // you get them by using request.queryParams("valuename")
+        put("/books/:id", (request, response) -> {
+            String id = request.params(":id");
+            Book book = books.get(id);
+            if (book != null) {
+                String newAuthor = request.queryParams("author");
+                String newTitle = request.queryParams("title");
+                if (newAuthor != null) {
+                    book.setAuthor(newAuthor);
+                }
+                if (newTitle != null) {
+                    book.setTitle(newTitle);
+                }
+                return "Book with id '" + id + "' updated";
+            } else {
+                response.status(404); // 404 Not found
+                return "Book not found";
+            }
+        });
+
+        // Deletes the book resource for the provided id
+        delete("/books/:id", (request, response) -> {
+            String id = request.params(":id");
+            Book book = books.remove(id);
+            if (book != null) {
+                return "Book with id '" + id + "' deleted";
+            } else {
+                response.status(404); // 404 Not found
+                return "Book not found";
+            }
+        });
+
+        // Gets all available book resources (ids)
+        get("/books", (request, response) -> {
+            StringBuilder ids = new StringBuilder();
+            for (String id : books.keySet()) {
+                ids.append(id).append(" ");
+            }
+            return ids.toString();
+        });
+
+        Spark.awaitInitialization();
+    }
+
+    @Test
+    public void testPostPerformance() {
+        try {
+            Map<String, String> requestHeader = new HashMap<>();
+            requestHeader.put("Host", "localhost:" + PORT);
+            requestHeader.put("User-Agent", "curl/7.55.1");
+            String author = "Foo";
+            String title = "Bar";
+            long startTime = System.currentTimeMillis();
+            for (int i = 0; i < testNumber; i++) {
+                String path = BOOKS + "?author=" + author + i + "&title=" + title + i;
+                http.doMethod("POST", path, "", false, "*/*", requestHeader);
+            }
+            long endTime = System.currentTimeMillis();
+            System.out.println("The time to run the POST method " + testNumber + " times is: " + (endTime - startTime) + "ms");
+            assertEquals(testNumber, books.size());
+        } catch (Throwable e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Test
+    public void testPutPerformance() {
+        try {
+            assertEquals(testNumber, books.size());
+            String[] booksId = new String[testNumber];
+            String[] reStr = new String[testNumber];
+            int cnt = 0;
+            for (Map.Entry<String, Book> entry : books.entrySet()) {
+                booksId[cnt++] = entry.getKey();
+            }
+            Map<String, String> requestHeader = new HashMap<>();
+            requestHeader.put("Host", "localhost:" + PORT);
+            requestHeader.put("User-Agent", "curl/7.55.1");
+            String author = "Woo";
+            String title = "Tar";
+            long startTime = System.currentTimeMillis();
+            for (int i = 0; i < testNumber; i++) {
+                String path = BOOKS + "/" + booksId[i] + "?author=" + author + i + "&title=" + title + i;
+                reStr[i] = http.doMethod("PUT", path, "", false, "*/*", requestHeader).body;
+            }
+            long endTime = System.currentTimeMillis();
+            System.out.println("The time to run the PUT method " + testNumber + " times is: " + (endTime - startTime) + "ms");
+            for (int i = 0; i < testNumber; i++) {
+                assertEquals("Book with id '" + booksId[i] + "' updated", reStr[i]);
+            }
+            assertEquals(testNumber, books.size());
+        } catch (Throwable e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Test
+    public void testDeletePerformance() {
+        try {
+            assertEquals(testNumber, books.size());
+            String[] booksId = new String[testNumber];
+            String[] reStr = new String[testNumber];
+            int cnt = 0;
+            for (Map.Entry<String, Book> entry : books.entrySet()) {
+                booksId[cnt++] = entry.getKey();
+            }
+            Map<String, String> requestHeader = new HashMap<>();
+            requestHeader.put("Host", "localhost:" + PORT);
+            requestHeader.put("User-Agent", "curl/7.55.1");
+            long startTime = System.currentTimeMillis();
+            for (int i = 0; i < testNumber; i++) {
+                reStr[i] = http.doMethod("DELETE", BOOKS + "/" + booksId[i], "", false, "*/*", requestHeader).body;
+            }
+            long endTime = System.currentTimeMillis();
+            System.out.println("The time to run the DELETE method " + testNumber + " times is: " + (endTime - startTime) + "ms");
+            for (int i = 0; i < testNumber; i++) {
+                assertEquals("Book with id '" + booksId[i] + "' deleted", reStr[i]);
+            }
+            assertEquals(0, books.size());
+        } catch (Throwable e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public static class Book {
+
+        public String author, title;
+
+        public Book(String author, String title) {
+            this.author = author;
+            this.title = title;
+        }
+
+        public String getAuthor() {
+            return author;
+        }
+
+        public void setAuthor(String author) {
+            this.author = author;
+        }
+
+        public String getTitle() {
+            return title;
+        }
+
+        public void setTitle(String title) {
+            this.title = title;
+        }
+    }
+}