do not use pytest-xdist

Author: Chilipp

.cruft.json

@@ -28,7 +28,7 @@
       "use_markdown_for_documentation": "no",
       "ci_build_stage": "no",
       "ci_matrix": "pipenv",
-      "use_pytest_xdist": "yes",
+      "use_pytest_xdist": "no",
       "requires_gui": "yes",
       "deploy_package_in_ci": "yes",
       "deploy_pages_in_ci": "git-push",

.gitlab-ci.yml

@@ -42,7 +42,7 @@ test:
     - apt-get install -y xvfb python3-pyqt5.qtwebengine
     - pip install pipenv
     - pipenv install
-    - NPROCS=auto xvfb-run make pipenv-test
+    - xvfb-run make pipenv-test
   parallel:
     matrix:
       - SCENARIO: default

Makefile

@@ -27,8 +27,6 @@ export PRINT_HELP_PYSCRIPT
 
 BROWSER := python -c "$$BROWSER_PYSCRIPT"
 
-NPROCS ?= 1
-
 help:
 	@python -c "$$PRINT_HELP_PYSCRIPT" < $(MAKEFILE_LIST)
 
@@ -79,7 +77,7 @@ pipenv-test: ## run tox
 	pipenv run isort --check psyplot_gui
 	pipenv run black --line-length 79 --check psyplot_gui
 	pipenv run flake8 psyplot_gui
-	pipenv run pytest -v --cov=psyplot_gui -x -n $(NPROCS)
+	pipenv run pytest -v --cov=psyplot_gui -x
 	pipenv run reuse lint
 	pipenv run cffconvert --validate
 

pyproject.toml

@@ -74,7 +74,6 @@ testsite = [
     "pytest-cov",
     "reuse",
     "cffconvert",
-    "pytest-xdist",
     "netCDF4",
     "dask",
     "scipy",

tox.ini

@@ -8,16 +8,13 @@
 extras =
     testsite
 
-passenv =
-    NPROCS
-
 commands =
     ; mypy psyplot_gui
     isort --check psyplot_gui
     black --line-length 79 --check psyplot_gui
     ; blackdoc --check psyplot_gui
     flake8 psyplot_gui
-    pytest -v --cov=psyplot_gui -x -n {env:NPROCS:1}
+    pytest -v --cov=psyplot_gui -x
     reuse lint
     cffconvert --validate