infra: Enable Codecov (#59)

.github/workflows/python-package.yml

@@ -26,7 +26,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
-        pip install --upgrade pip pytest
+        pip install --upgrade pip
         pip install --upgrade git+https://github.com/aws/amazon-braket-schemas-python@main
         pip install -e .[test]
     - name: Check code format
@@ -36,4 +36,6 @@ jobs:
         flake8
     - name: Run unit tests
       run: |
-        pytest test/unit_tests
+        tox -e unit-tests
+    - name: Upload coverage report to Codecov
+      uses: codecov/codecov-action@v1

README.md

@@ -3,6 +3,7 @@
 [![Latest Version](https://img.shields.io/pypi/v/amazon-braket-default-simulator.svg)](https://pypi.python.org/pypi/amazon-braket-default-simulator)
 [![Supported Python Versions](https://img.shields.io/pypi/pyversions/amazon-braket-default-simulator.svg)](https://pypi.python.org/pypi/amazon-braket-default-simulator)
 [![Build Status](https://img.shields.io/github/workflow/status/aws/amazon-braket-default-simulator-python/Python%20package/main?logo=github)](https://github.com/aws/amazon-braket-default-simulator-python/actions?query=workflow%3A%22Python+package%22)
+[![codecov](https://codecov.io/gh/aws/amazon-braket-default-simulator-python/branch/main/graph/badge.svg?token=FZEG1AQU3S)](https://codecov.io/gh/aws/amazon-braket-default-simulator-python)
 [![Documentation Status](https://img.shields.io/readthedocs/amazon-braket-default-simulator-python.svg?logo=read-the-docs)](https://amazon-braket-default-simulator-python.readthedocs.io/en/latest/?badge=latest)
 [![Code Style: Black](https://img.shields.io/badge/code_style-black-000000.svg)](https://github.com/psf/black)
 

tox.ini

@@ -9,6 +9,7 @@ commands =
     coverage combine
     coverage report
     coverage html
+    coverage xml
 extras = test
 
 [testenv:linters]