Add wheel testing in the CI for python packages

.gitlab/ci/release/pip.gitlab-ci.yml

@@ -17,3 +17,25 @@ release:pip:ubuntu:
     - python --version
     - python -m pip wheel -w wheelhouse .
     - set +x
+
+  after_script: 
+    - >
+    for DEP_NAME in "${DEPS_NAMES[@]}"; do
+      	echo "current dep $DEP_NAME"
+        cd $DEP_NAME
+        pip install . -v
+        cd ..
+      done
+    - export WHL_NAME=$(find . -name "$CI_PROJECT_NAME*.whl")
+    - pip install wheelhouse/$WHL_NAME
+    - cd ..
+    ############################################################################
+    # In order to perform the test on the installed package, not on the source code, change the repo name with mv 
+    # https://stackoverflow.com/questions/56908227/how-to-test-python-wheels-on-ci
+    ############################################################################
+    - mv $CI_PROJECT_NAME src
+    - ls src
+    - cd src/$CI_PROJECT_NAME/unit_tests
+    - export PATH_TEST=$(pwd)
+    - cd ../../../..
+    - pytest $PATH_TEST