From 76e983aa46eb176addd81b98bc904c8c51cc49ef Mon Sep 17 00:00:00 2001
From: Christian von Elm <christian.von_elm@tu-dresden.de>
Date: Thu, 23 Jan 2025 10:34:36 +0100
Subject: [PATCH] Add first simple test

---
 .github/workflows/cmake.yml       |  4 +++-
 CMakeLists.txt                    |  3 +++
 cmake/Tests.cmake                 |  7 +++++++
 cmake/tests/lo2s_user_sampling.sh | 24 ++++++++++++++++++++++++
 4 files changed, 37 insertions(+), 1 deletion(-)
 create mode 100644 cmake/Tests.cmake
 create mode 100644 cmake/tests/lo2s_user_sampling.sh

diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index 9edbe412..cc1c399f 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -33,8 +33,10 @@ jobs:
       - name: Create source tarball
         if: ${{ matrix.compiler == 'g++-12' && matrix.os == 'ubuntu-24.04' && matrix.build-type == 'RelWithDebInfo' && matrix.hw_breakpoint == 'ON' && github.event_name != 'pull_request'}}
         run: make dist
+      - name: Test
+        if: ${{ matrix.compiler == 'g++-12' && matrix.os == 'ubuntu-24.04' && matrix.build-type == 'RelWithDebInfo' && matrix.hw_breakpoint == 'ON' && github.event_name != 'pull_request'}}
+        run: ctest --output-on-failure
       - uses: actions/upload-artifact@v4
         if: ${{ matrix.compiler == 'g++-12' && matrix.os == 'ubuntu-24.04' && matrix.build-type == 'RelWithDebInfo' && matrix.hw_breakpoint == 'ON' && github.event_name != 'pull_request'}}
         with:
           overwrite: true
-          path: lo2s*.tar.bz2
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 14775e88..66da7a12 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,6 +18,9 @@ include(cmake/UnsetIfUpdated.cmake)
 include(cmake/CheckNameExists.cmake)
 include(cmake/CheckStructHasBitField.cmake)
 
+enable_testing()
+include(cmake/Tests.cmake)
+
 # Intialize git submodules if not done already
 include(cmake/GitSubmoduleUpdate.cmake)
 git_submodule_update()
diff --git a/cmake/Tests.cmake b/cmake/Tests.cmake
new file mode 100644
index 00000000..ed0c6c75
--- /dev/null
+++ b/cmake/Tests.cmake
@@ -0,0 +1,7 @@
+set(TESTS lo2s_user_sampling)
+
+foreach(TEST ${TESTS})
+
+    add_test(NAME ${TEST} COMMAND bash ${CMAKE_CURRENT_SOURCE_DIR}/cmake/tests/${TEST}.sh)
+    set_tests_properties(${TEST} PROPERTIES SKIP_RETURN_CODE 100)
+endforeach()
diff --git a/cmake/tests/lo2s_user_sampling.sh b/cmake/tests/lo2s_user_sampling.sh
new file mode 100644
index 00000000..6d4f1769
--- /dev/null
+++ b/cmake/tests/lo2s_user_sampling.sh
@@ -0,0 +1,24 @@
+set -euo pipefail
+
+paranoid=$(cat /proc/sys/kernel/perf_event_paranoid)
+
+echo "perf_event_paranoid is: $paranoid"
+if [ $paranoid -gt 2 ]
+then
+    # skip
+    exit 100
+fi
+
+#!/bin/bash
+rm -rf test_trace
+./lo2s -c 1  --output-trace test_trace -- sleep 1
+
+if  otf2-print test_trace/traces.otf2 | grep  "SAMPLE"
+then
+    exit 0
+else
+    echo "Trace did not contain calling context samples!"
+    exit 1
+fi
+rm -rf test_trace
+