Integrate tests into CI

Author: RainerKuemmerle

.github/workflows/ci.yml

@@ -17,6 +17,8 @@ jobs:
   python:
     name: Build g2opy
     runs-on: ubuntu-latest
+    env:
+      G2O_CACHE_BUILD: true
     steps:
     - uses: actions/checkout@v4
       with:
@@ -27,6 +29,8 @@ jobs:
           sudo apt install libeigen3-dev libspdlog-dev nlohmann-json3-dev
     - name: Build
       run: pipx run build
+    - name: Run tests
+      run: /tmp/g2opy/pytest_helper.sh
 
   build:
     name: ${{ matrix.config.name }}

python/CMakeLists.txt

@@ -77,3 +77,11 @@ target_link_libraries(g2opy PRIVATE
 )
 target_include_directories(g2opy PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
 install(TARGETS g2opy LIBRARY DESTINATION g2opy)
+
+#Write pytest helper script to build folder
+file(WRITE "${CMAKE_BINARY_DIR}/pytest_helper.sh" "#!/bin/sh
+set -e
+export G2O_LIB_DIR=\"${g2o_LIBRARY_OUTPUT_DIRECTORY}\"
+exec pytest \"${CMAKE_CURRENT_SOURCE_DIR}\"
+")
+file(CHMOD "${CMAKE_BINARY_DIR}/pytest_helper.sh" PERMISSIONS OWNER_EXECUTE OWNER_WRITE OWNER_READ GROUP_READ WORLD_READ)

pytest.ini python/pytest.inipytest.ini renamed to python/pytest.ini

@@ -1,5 +1,5 @@
 [pytest]
-testpaths = python/tests
+testpaths = tests
 python_files = test_*.py
 python_classes = Test*
 python_functions = test_*

python/tests/conftest.py

@@ -1,14 +1,15 @@
 """Pytest fixtures for g2o Python bindings tests."""
 
+import os
 import sys
 import tempfile
 from pathlib import Path
 
-# Ensure build lib is in path BEFORE any imports - this is critical
-build_lib_path = Path(__file__).resolve().parent.parent.parent / "build" / "lib"
-build_lib_str = str(build_lib_path)
-if build_lib_str not in sys.path:
-    sys.path.insert(0, build_lib_str)
+# Ensure build lib is in path BEFORE any imports
+build_lib_dir = os.environ.get(
+    "G2O_LIB_DIR", str(Path(__file__).resolve().parent.parent.parent / "build" / "lib")
+)
+sys.path.insert(0, build_lib_dir)
 
 # This must come after path setup
 import g2opy as g2o