CI: Run Komodo tests in the RMS environment

Komodo CI tests will now run twice, once in the standard Komodo
environment and again in the matrix of RMS version environments.
Also tried to add a bit more clarity to file paths and `pwd` in
the script.

ci/testkomodo.sh

@@ -1,35 +1,65 @@
+XTG_TEST_RUNPATH=$CI_TEST_ROOT/run
+
+RMS_VERSIONS=(
+    12.1.4
+    13.1.2
+    14.1.0
+)
+
+run_tests() {
+    copy_test_files
+    start_tests
+}
+
 copy_test_files () {
-    mkdir $CI_TEST_ROOT/testpath/
-
-    pushd $CI_TEST_ROOT/testpath
-    cp -r $CI_SOURCE_ROOT/tests tests
-    cp -r $CI_SOURCE_ROOT/conftest.py conftest.py
-    ln -s $CI_SOURCE_ROOT/examples
-    ln -s $CI_SOURCE_ROOT/xtgeo-testdata
-    git clone --depth=1 https://github.com/equinor/xtgeo-testdata ../xtgeo-testdata
+    git clone --depth=1 https://github.com/equinor/xtgeo-testdata $CI_TEST_ROOT/xtgeo-testdata
+    # xtgeo tests look two directories back for xtgeo-testdata
+    mkdir -p $XTG_TEST_RUNPATH
+    cp -r $CI_SOURCE_ROOT/tests $XTG_TEST_RUNPATH
+    ln -s $CI_SOURCE_ROOT/conftest.py $XTG_TEST_RUNPATH/conftest.py
+    ln -s $CI_SOURCE_ROOT/pyproject.toml $XTG_TEST_RUNPATH/pyproject.toml
+}
+
+start_tests () {
+    pushd $CI_TEST_ROOT
+    echo "Testing xtgeo against Komodo"
+    install_and_test
+    for version in ${RMS_VERSIONS[@]}; do
+        test_in_roxenv $version
+    done
     popd
 }
 
-install_package () {
-    pip install ".[dev]"
+install_and_test () {
+    install_package
+    run_pytest
 }
 
-start_tests () {
-    pushd $CI_TEST_ROOT/testpath
-    pytest -n auto -vv
+install_package () {
+    pushd $CI_SOURCE_ROOT
+    pip install ".[dev]"
     popd
 }
 
-cleanup () {
-    rm -rf $CI_TEST_ROOT/testpath/../xtgeo-testdata
+run_pytest () {
+    pushd $XTG_TEST_RUNPATH
+    pytest -n 4 -vv
+    popd
 }
 
-run_tests() {
-    copy_test_files
+test_in_roxenv () {
+    set +e
+    source /project/res/roxapi/aux/roxenvbash $1
+    # Unsetting an empty PYTHONPATH after sourcing roxenvbash
+    # may result in an error.
+    unset PYTHONPATH
+    set -e
 
-    install_package
+    python -m venv roxenv --system-site-packages
 
-    pushd $CI_TEST_ROOT
-    start_tests
-    cleanup
+    source roxenv/bin/activate
+    echo "Testing xtgeo against RMS $1"
+    install_and_test
+    deactivate
+    rm -rf roxenv
 }