From e1b5439ee2c3f4420149ecaa911766fde6d9fc9c Mon Sep 17 00:00:00 2001
From: Andreas Joachim Peters <andreas.joachim.peters@cern.ch>
Date: Thu, 6 Jun 2024 17:24:28 +0200
Subject: [PATCH] TESTS: add XrdClVectorCache.cc test

---
 tests/XrdCl/CMakeLists.txt      |  4 +++
 tests/XrdCl/XrdClVectorCache.cc | 47 +++++++++++++++++++++++++++++++++
 2 files changed, 51 insertions(+)
 create mode 100644 tests/XrdCl/XrdClVectorCache.cc

diff --git a/tests/XrdCl/CMakeLists.txt b/tests/XrdCl/CMakeLists.txt
index 015f4c92501..90e37eae0b9 100644
--- a/tests/XrdCl/CMakeLists.txt
+++ b/tests/XrdCl/CMakeLists.txt
@@ -3,6 +3,8 @@ add_executable(xrdcl-unit-tests
   XrdClPoller.cc
   XrdClSocket.cc
   XrdClUtilsTest.cc
+  XrdClVectorCache.cc
+  ../../src/XrdApps/XrdClJCachePlugin/XrdClVectorCache.cc
   ../common/Server.cc
   ../common/Utils.cc
   ../common/TestEnv.cc
@@ -12,9 +14,11 @@ target_link_libraries(xrdcl-unit-tests
   XrdCl
   XrdXml
   XrdUtils
+  stdc++fs
   ZLIB::ZLIB
   GTest::GTest
   GTest::Main
+  OpenSSL::Crypto
 )
 
 target_include_directories(xrdcl-unit-tests
diff --git a/tests/XrdCl/XrdClVectorCache.cc b/tests/XrdCl/XrdClVectorCache.cc
new file mode 100644
index 00000000000..8eb1aa087c7
--- /dev/null
+++ b/tests/XrdCl/XrdClVectorCache.cc
@@ -0,0 +1,47 @@
+#undef NDEBUG
+
+#include "XrdApps/XrdClJCachePlugin/XrdClVectorCache.hh"
+#include "XrdSys/XrdSysPlatform.hh"
+
+#include <gtest/gtest.h>
+
+#include <climits>
+#include <cstdlib>
+
+using namespace testing;
+
+// Test the JCAche VectorCache class
+
+class VectorCacheTest : public ::testing::Test {};
+
+TEST(VectorCacheTest, Store)
+{
+  XrdCl::ChunkList chunks;
+  std::string name = "root://localhost//dummy";
+  std::string prefix = "/tmp/";
+
+  char data[100]; // 100 bytes of fake data
+  char cdata[100]; // 100 bytes of zeroed data
+  
+  for (auto i=0; i< 100; i++) {
+    XrdCl::ChunkInfo s(i,1);
+    chunks.push_back(s);
+    data[i] = i;
+    cdata[i] = 0;
+  }
+  
+  EXPECT_TRUE(bcmp(data, cdata, 100) != 0) << "Data not zeroed" << std::endl;
+  VectorCache cacheout ( chunks, name, data, prefix);
+  EXPECT_TRUE(cacheout.store()) << "Failed to store vector read into cache" << std::endl;
+  VectorCache cachein ( chunks, name, cdata, prefix);
+  EXPECT_TRUE(cachein.retrieve()) << "Failed to retrieve vector read from cache" << std::endl;
+  EXPECT_TRUE(bcmp(data, cdata, 100) == 0) << "Cached data is wrong" << std::endl;
+  EXPECT_TRUE(truncate("/tmp/d1a4e9081bd37839e4b4f486ed8b13397ce9ffa0198edb586208d6b73e15b19a/3ec7dea73b7880fdce09e1c8f804054ae685e3dbda4d467c71ab2327ea5ad93e",99)==0) << "Failed to truncate cached file" << std::endl;
+  EXPECT_TRUE(!cachein.retrieve()) << "Truncate cache entry was not seen" << std::endl;
+  EXPECT_TRUE(unlink("/tmp/d1a4e9081bd37839e4b4f486ed8b13397ce9ffa0198edb586208d6b73e15b19a/3ec7dea73b7880fdce09e1c8f804054ae685e3dbda4d467c71ab2327ea5ad93e") == 0) << "Failed to unlink cached file" << std::endl;
+  EXPECT_TRUE(!cachein.retrieve()) << "Unlinked cache entry was not seen" << std::endl;
+  // re-cache the block an check if it is ok
+  EXPECT_TRUE(cacheout.store()) << "Failed to store vector read into cache" << std::endl;
+  EXPECT_TRUE(cachein.retrieve()) << "Failed to retrieve vector read from cache" << std::endl;
+}
+