ci: add unit test coverage badge

Author: zhen.chen

.github/workflows/unit_test.yaml

@@ -48,3 +48,11 @@ jobs:
 
       - name: Run pytest
         run: pytest tensorbay
+
+      - if: "startsWith(matrix.os, 'ubuntu') && matrix.python-version == 3.8"
+        name: Upload coverage data to coveralls.io
+        run: |
+          pytest tensorbay --cov
+          coveralls --service=github
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

README.md

@@ -3,6 +3,7 @@
 [![Pre-commit](https://github.com/Graviti-AI/tensorbay-python-sdk/actions/workflows/pre-commit.yaml/badge.svg)](https://github.com/Graviti-AI/tensorbay-python-sdk/actions/workflows/pre-commit.yaml)
 [![Unit Test](https://github.com/Graviti-AI/tensorbay-python-sdk/actions/workflows/unit_test.yaml/badge.svg)](https://github.com/Graviti-AI/tensorbay-python-sdk/actions/workflows/unit_test.yaml)
 [![Documentation Status](https://readthedocs.org/projects/tensorbay-python-sdk/badge/?version=latest)](https://tensorbay-python-sdk.graviti.com/en/latest/?badge=latest)
+[![Coverage Status](https://coveralls.io/repos/github/Graviti-AI/tensorbay-python-sdk/badge.svg)](https://coveralls.io/github/Graviti-AI/tensorbay-python-sdk)
 [![GitHub](https://img.shields.io/github/license/Graviti-AI/tensorbay-python-sdk)](https://github.com/Graviti-AI/tensorbay-python-sdk/blob/main/LICENSE)
 [![PyPI](https://img.shields.io/pypi/v/tensorbay)](https://pypi.org/project/tensorbay/)
 [![PyPI - Python Version](https://img.shields.io/pypi/pyversions/tensorbay)](https://pypi.org/project/tensorbay/)

requirements.txt

@@ -23,7 +23,8 @@ astroid == 2.5.2
 
 # test
 pytest == 6.2.2
-pytest-cov
+pytest-cov==2.11.1
+coveralls==2.2
 
 # optional dependences
 scipy >= 1.3.2