[ci] enable coverage run with mpi tests

.ci/gitlab/ci.yml

@@ -497,6 +497,42 @@ ci_weekly 3 8:
     image: pymor/testing_py3.8:06d87fc5395c39231eb05b6df06266dab9a4dbf9
     
     script: ./.ci/gitlab/test_vanilla.bash
+submit mpi 3 6:
+    extends: .submit
+    rules:
+        - if: $CI_PIPELINE_SOURCE == "schedule"
+          when: never
+        - when: on_success
+    image: pymor/python:3.6
+    variables:
+        COVERAGE_FLAG: mpi
+    dependencies:
+        - mpi 3 6
+    needs: ["mpi 3 6"]
+submit mpi 3 7:
+    extends: .submit
+    rules:
+        - if: $CI_PIPELINE_SOURCE == "schedule"
+          when: never
+        - when: on_success
+    image: pymor/python:3.7
+    variables:
+        COVERAGE_FLAG: mpi
+    dependencies:
+        - mpi 3 7
+    needs: ["mpi 3 7"]
+submit mpi 3 8:
+    extends: .submit
+    rules:
+        - if: $CI_PIPELINE_SOURCE == "schedule"
+          when: never
+        - when: on_success
+    image: pymor/python:3.8
+    variables:
+        COVERAGE_FLAG: mpi
+    dependencies:
+        - mpi 3 8
+    needs: ["mpi 3 8"]
 submit vanilla 3 6:
     extends: .submit
     rules:

.ci/gitlab/common_test_setup.bash

@@ -30,6 +30,6 @@ export PYTHONHASHSEED=0
 python setup.py build_ext -i
 
 PYMOR_VERSION=$(python -c 'import pymor;print(pymor.__version__)')
-COMMON_PYTEST_OPTS="--junitxml=test_results_${PYMOR_VERSION}.xml --cov=src/pymor --cov-report=xml --cov-config=setup.cfg \
+COMMON_PYTEST_OPTS="--junitxml=test_results_${PYMOR_VERSION}.xml --cov=src/pymor --cov-report=xml \
   --memprof-top-n 50 --memprof-csv-file=memory_usage.txt\
   --hypothesis-profile ${PYMOR_HYPOTHESIS_PROFILE}"

.ci/gitlab/template.ci.py

@@ -227,7 +227,7 @@ ci_weekly {{py[0]}} {{py[2]}}:
     script: ./.ci/gitlab/test_vanilla.bash
 {%- endfor %}
 
-{%- for script, py, para in matrix if script in ['vanilla', 'oldest', 'numpy_git'] %}
+{%- for script, py, para in matrix if script in ['vanilla', 'oldest', 'numpy_git', 'mpi'] %}
 submit {{script}} {{py[0]}} {{py[2]}}:
     extends: .submit
     rules:

.ci/gitlab/test_mpi.bash

@@ -3,4 +3,6 @@
 THIS_DIR="$(cd "$(dirname ${BASH_SOURCE[0]})" ; pwd -P )"
 source ${THIS_DIR}/common_test_setup.bash
 
-xvfb-run -a mpirun -n 2 python src/pymortests/mpi_run_demo_tests.py
+xvfb-run -a mpirun -n 2 coverage run --rcfile=setup.cfg --parallel-mode src/pymortests/mpi_run_demo_tests.py
+coverage combine
+coverage xml -i