Do not run pytest coverage by default

.github/codecov.yml

@@ -15,4 +15,5 @@ comment:
   branches:               # branch names that can post comment
     - "main"
 ignore:
+  - "conftest.py"
   - "virtualizarr/tests"  # ignore folders and all its contents

.github/workflows/main.yml

@@ -51,7 +51,7 @@ jobs:
 
       - name: Running Tests
         run: |
-          python -m pytest --run-network-tests --cov-report=xml --verbose virtualizarr
+          python -m pytest --run-network-tests --verbose --cov=virtualizarr --cov-report=xml
 
       - name: Upload code coverage to Codecov
         uses: codecov/[email protected]

.github/workflows/min-deps.yml

@@ -51,7 +51,7 @@ jobs:
 
       - name: Running Tests
         run: |
-          python -m pytest --cov-report=xml --verbose virtualizarr
+          python -m pytest --verbose --cov=virtualizarr --cov-report=xml
 
       - name: Upload code coverage to Codecov
         uses: codecov/[email protected]

.github/workflows/upstream.yml

@@ -51,7 +51,7 @@ jobs:
 
       - name: Running Tests
         run: |
-          python -m pytest --cov-report=xml --verbose virtualizarr
+          python -m pytest --verbose --cov=virtualizarr --cov-report=xml
 
       - name: Upload code coverage to Codecov
         uses: codecov/[email protected]

docs/contributing.md

@@ -20,13 +20,20 @@ that require downloading files over the network.  Skip this if you want the test
 faster or you have no internet access:
 
 ```bash
-pytest -m pytest --run-network-tests
+python -m pytest --run-network-tests
 ```
 
-Further, we use the `pytest-cov` plugin to generate a test coverage report.  By default,
-a report showing lines missing coverage will be printed to the terminal.  You may supply
-additional options to `pytest` to generate other outputs, such as an HTML report (via
-`--cov-report=html`).  For all available options added by the `pytest-cov` plugin, run
+Further, the `pytest-cov` plugin is a test dependency, so you can generate a test
+coverage report locally, if you wish (CI will automatically do so).  Here are some
+examples:
+
+```bash
+python -m pytest --cov=.                     # Terminal (text) report (--cov=term)
+python -m pytest --cov=. --cov=term-missing  # Terminal report showing missing coverage
+python -m pytest --cov=. --cov=html          # HTML report written to htmlcov/index.html
+```
+
+To see all available `pytest` options added by the `pytest-cov` plugin, run
 `python -m pytest -h`, or see the
 [pytest-cov documentation](https://pytest-cov.readthedocs.io/en/latest/readme.html).
 

pyproject.toml

@@ -149,13 +149,10 @@ line-ending = "auto"
 known-first-party = ["virtualizarr"]
 
 [tool.coverage.run]
-omit = ["virtualizarr/tests/*"]
+include = ["virtualizarr/"]
+omit = ["conftest.py", "virtualizarr/tests/*"]
 
 [tool.pytest.ini_options]
-addopts = [
-    "--cov=virtualizarr",
-    "--cov-report=term-missing",
-]
 # See https://pytest-asyncio.readthedocs.io/en/latest/concepts.html#asyncio-event-loops
 # Explicitly set asyncio_default_fixture_loop_scope to eliminate the following warning:
 #