test: reconfigure pytest and coverage

skip empty, init, admins, apps

.coveragerc

 [run]
 include = discuss_data/*
-omit = *migrations*, *tests*
+omit = venv/*, */tests/*, */migrations/*, */urls.py, */settings/*
 plugins =
     django_coverage_plugin
+[report]
+skip_empty = True
+omit = */__init__.py, */admin.py, */apps.py
+[html]
+directory = htmlcov

discuss_data/__init__.py

-__version__ = "0.5.0"
-__version_info__ = tuple(
-    [
-        int(num) if num.isdigit() else num
-        for num in __version__.replace("-", ".", 1).split(".")
-    ]
-)

discuss_data/conftest.py

 import pytest
 
+# enable database for all tests
+@pytest.fixture(autouse=True)
+def enable_db_access_for_all_tests(db):
+    pass
+
 
 # pytest finds added options only in root conftest.py if not configured otherwise
 def pytest_addoption(parser):
@@ -14,3 +19,13 @@ def pytest_addoption(parser):
 # list marker if requested with 'pytest --markers'
 def pytest_configure(config):
     config.addinivalue_line("markers", "integration: mark a test as integration test")
+
+
+def pytest_collection_modifyitems(config, items):
+    if config.getoption("--integration"):
+        # --integration given in cli: do not skip integration tests
+        return
+    skip_integration = pytest.mark.skip(reason="need --integration option to run")
+    for item in items:
+        if "integration" in item.keywords:
+            item.add_marker(skip_integration)

discuss_data/ddcomments/tests.py

-from django.test import TestCase
-
-# Create your tests here.

discuss_data/ddpublications/tests.py

-from django.test import TestCase
-
-# Create your tests here.

discuss_data/pages/tests.py

-from django.test import TestCase
-
-# Create your tests here.

pytest.ini

 [pytest]
 addopts = --ds=config.settings.test
+DJANGO_SETTINGS_MODULE = config.settings.test
 python_files = tests.py test_*.py
 norecursedirs = node_modules