From 441d8bc4b44d4744f989e944a6ec667b07a1e678 Mon Sep 17 00:00:00 2001
From: Alex Hultman <alexhultman@gmail.com>
Date: Mon, 2 Jul 2018 21:58:19 +0200
Subject: [PATCH] Add missing tests.cpp

---
 tests.cpp | 94 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 tests.cpp

diff --git a/tests.cpp b/tests.cpp
new file mode 100644
index 0000000..7a1e7da
--- /dev/null
+++ b/tests.cpp
@@ -0,0 +1,94 @@
+#include "HttpParser.h"
+
+#include <chrono>
+#include <iostream>
+
+// todo: random test of chunked http parsing of randomly generated requests
+void testHttpParser() {
+
+    char headers[] = "GET /hello.htm HTTP/1.1\r\n"
+            "User-Agent: Mozilla/4.0 (compatible; MSIE5.01; Windows NT)\r\n"
+            "Host: www.tutorialspoint.com\r\n"
+            "Accept-Language: en-us\r\n"
+            "Accept-Encoding: gzip, deflate\r\n"
+            "Connection: Keep-Alive\r\n"
+            "Content-length: 1048576\r\n\r\n";
+
+    const int requestLength = sizeof(headers) - 1 + 1048576;
+    char *request = (char *) malloc(requestLength + 32);
+    memset(request, 0, requestLength);
+    memcpy(request, headers, sizeof(headers) - 1);
+
+    char *data = (char *) malloc(requestLength * 10);
+    int length = requestLength * 10;
+
+    int maxChunkSize = 10000;
+    char *paddedBuffer = (char *) malloc(maxChunkSize + 32);
+
+    // dela upp dessa 10 i 5 segment
+    HttpParser httpParser;
+    int validRequests = 0, numDataEmits = 0, numChunks = 0;
+    size_t dataBytes = 0;
+
+    for (int i = 0; i < 10; i++) {
+        memcpy(data + requestLength * i, request, requestLength);
+    }
+
+    for (int j = 0; j < 1000; j++) {
+        for (int currentOffset = 0; currentOffset != length; ) {
+
+            int chunkSize = rand() % 10000;
+            if (currentOffset + chunkSize > length) {
+                chunkSize = length - currentOffset;
+            }
+
+            memcpy(paddedBuffer, data + currentOffset, chunkSize);
+
+            httpParser.consumePostPadded(paddedBuffer, chunkSize, nullptr, [&validRequests](void *user, HttpRequest *req) {
+                validRequests++;
+
+                if (req->getUrl() != "/hello.htm") {
+                    std::cout << "WRONG URL!" << std::endl;
+                    exit(-1);
+                }
+
+            }, [&dataBytes, &numDataEmits](void *, std::string_view data) {
+                numDataEmits++;
+                dataBytes += data.length();
+            }, [](void *) {
+
+                std::cout << "Error!" << std::endl;
+                return;
+            });
+
+            numChunks++;
+
+            currentOffset += chunkSize;
+        }
+    }
+
+    std::cout << "validRequests: " << validRequests << std::endl;
+    std::cout << "Data bytes: " << dataBytes << std::endl;
+    std::cout << "Data emits: " << numDataEmits << std::endl;
+    std::cout << "Chunks parsed: " << numChunks << std::endl;
+
+    validRequests = 0;
+
+    auto start = std::chrono::high_resolution_clock::now();
+    for (int i = 0; i < 10000000; i++) {
+        httpParser.consumePostPadded(request, requestLength, nullptr, [&validRequests](void *user, HttpRequest *req) {
+            validRequests++;
+        }, [](void *, std::string_view data) {
+
+        }, [](void *) {
+
+        });
+    }
+    auto stop = std::chrono::high_resolution_clock::now();
+
+    std::cout << "Parsed " << validRequests << " in " << std::chrono::duration_cast<std::chrono::milliseconds>(stop - start).count() << "ms" << std::endl;
+}
+
+int main() {
+	testHttpParser();
+}