[ci] Add regression tests (#4)

* [ci] Update gitHup action workflow

* Add regression tests on ci

* fix ci ?

* fix ci on ubuntu ??

* remove python from yml

* Revert "remove python from yml"

This reverts commit 4c9889b.

.github/workflows/ci.yml

@@ -58,6 +58,7 @@ jobs:
             echo ${CCACHE_BASEDIR}
             ccache -s
           fi
+
       - name: Create artifact
         uses: actions/upload-artifact@v2
         with:
@@ -69,7 +70,48 @@ jobs:
         with:
           name: SofaSphFluid_${{ steps.sofa.outputs.run_branch }}_for-SOFA-${{ steps.sofa.outputs.sofa_version }}_${{ runner.os }}
           path: ${{ env.WORKSPACE_ARTIFACT_PATH }}
+
+      - name: Set env vars for tests
+        shell: bash
+        run: |
+          # Set env vars for tests
+          if [[ "$RUNNER_OS" == "Windows" ]]; then
+            echo "$WORKSPACE_ARTIFACT_PATH/lib" >> $GITHUB_PATH
+            echo "$WORKSPACE_ARTIFACT_PATH/bin" >> $GITHUB_PATH
+            echo "$SOFA_ROOT/plugins/SofaPython3/bin" >> $GITHUB_PATH
+            echo "SOFA_PLUGIN_PATH=$WORKSPACE_ARTIFACT_PATH/bin" | tee -a $GITHUB_ENV
+          else
+            echo "SOFA_PLUGIN_PATH=$WORKSPACE_ARTIFACT_PATH/lib" | tee -a $GITHUB_ENV
+          fi
+          
+          if [[ "$RUNNER_OS" == "macOS" ]]; then
+            echo "DYLD_LIBRARY_PATH=$WORKSPACE_ARTIFACT_PATH/lib:$SOFA_ROOT/lib:$SOFA_ROOT/plugins/SofaPython3/lib:$DYLD_LIBRARY_PATH" | tee -a $GITHUB_ENV
+          fi
 
+          if [[ "$RUNNER_OS" == "Linux" ]]; then
+            echo "LD_LIBRARY_PATH=$WORKSPACE_ARTIFACT_PATH/lib:$SOFA_ROOT/lib:$SOFA_ROOT/plugins/SofaPython3/lib:$LD_LIBRARY_PATH" | tee -a $GITHUB_ENV
+          fi
+
+      - name: Fetch, install and run Regression_test
+        if: always()
+        shell: bash
+        run: |
+          if [[ "$RUNNER_OS" != "macOS" ]]; then
+            # Get regression from github releases
+            mkdir -p "${{ runner.temp }}/regression_tmp/install"
+            curl --output "${{ runner.temp }}/regression_tmp/${RUNNER_OS}.zip" -L https://github.com/sofa-framework/regression/releases/download/release-master/Regression_test_master_for-SOFA-${{ steps.sofa.outputs.sofa_version }}_${RUNNER_OS}.zip
+            unzip -qq "${{ runner.temp }}/regression_tmp/${RUNNER_OS}.zip" -d "${{ runner.temp }}/regression_tmp/install"
+            # Install it in the SOFA bin directory
+            $SUDO mv "${{ runner.temp }}"/regression_tmp/install/Regression_*/bin/* "${SOFA_ROOT}/bin"
+            chmod +x ${SOFA_ROOT}/bin/Regression_test${{ steps.sofa.outputs.exe }}
+            # Setup mandatory env vars
+            export REGRESSION_SCENES_DIR="${WORKSPACE_SRC_PATH}/examples"
+            export REGRESSION_REFERENCES_DIR="${WORKSPACE_SRC_PATH}/regression/references"
+            # Run regression test bench
+            ${SOFA_ROOT}/bin/Regression_test${{ steps.sofa.outputs.exe }}
+          else
+            echo "Regression tests are not supported on the CI for macOS yet (TODO)"
+          fi
   deploy:
     name: Deploy artifacts
     if: always() && startsWith(github.repository, 'sofa-framework') && (startsWith(github.ref, 'refs/heads/') || startsWith(github.ref, 'refs/tags/')) # we are not on a fork and on a branch or a tag (not a PR)    needs: [build-and-test]