Add hatch command for html coverage report (#2721)

* Add hatch command for html coverage report

* Fix grammer

* Use more informative alias in contrib guide

---------

Co-authored-by: Davis Bennett <[email protected]>

Author: maxrjones

docs/developers/contributing.rst

@@ -98,7 +98,7 @@ you can do something like the following::
 To verify that your development environment is working, you can run the unit tests
 for one of the test environments, e.g.::
 
-    $ hatch env run --env test.py3.12-2.1-optional run
+    $ hatch env run --env test.py3.12-2.1-optional run-pytest
 
 Creating a branch
 ~~~~~~~~~~~~~~~~~
@@ -140,7 +140,7 @@ Zarr includes a suite of unit tests. The simplest way to run the unit tests
 is to activate your development environment
 (see `creating a development environment`_ above) and invoke::
 
-    $ hatch env run --env test.py3.12-2.1-optional run
+    $ hatch env run --env test.py3.12-2.1-optional run-pytest
 
 All tests are automatically run via GitHub Actions for every pull
 request and must pass before code can be accepted. Test coverage is
@@ -190,9 +190,13 @@ Both unit tests and docstring doctests are included when computing coverage. Run
 
     $ hatch env run --env test.py3.12-2.1-optional run-coverage
 
-will automatically run the test suite with coverage and produce a coverage report.
+will automatically run the test suite with coverage and produce a XML coverage report.
 This should be 100% before code can be accepted into the main code base.
 
+You can also generate an HTML coverage report by running::
+
+     $ hatch env run --env test.py3.12-2.1-optional run-coverage-html
+
 When submitting a pull request, coverage will also be collected across all supported
 Python versions via the Codecov service, and will be reported back within the pull
 request. Codecov coverage must also be 100% before code can be accepted.

pyproject.toml

@@ -149,7 +149,9 @@ features = ["gpu"]
 [tool.hatch.envs.test.scripts]
 run-coverage = "pytest --cov-config=pyproject.toml --cov=pkg --cov-report xml --cov=src --junitxml=junit.xml -o junit_family=legacy"
 run-coverage-gpu = "pip install cupy-cuda12x && pytest -m gpu --cov-config=pyproject.toml --cov=pkg --cov-report xml --cov=src --junitxml=junit.xml -o junit_family=legacy"
+run-coverage-html = "pytest --cov-config=pyproject.toml --cov=pkg --cov-report html --cov=src"
 run = "run-coverage --no-cov"
+run-pytest = "run"
 run-verbose = "run-coverage --verbose"
 run-mypy = "mypy src"
 run-hypothesis = "pytest --hypothesis-profile ci tests/test_properties.py tests/test_store/test_stateful*"