develop workflow for test coverage badge (#76)

Co-authored-by: Shiven Chawla <shivenchawla@microsoft.com>

.github/workflows/testcoverage.yaml

@@ -0,0 +1,35 @@
+---
+name: Generate PyTest Coverage Badge
+on:
+  pull_request:
+    types:
+      - closed
+
+jobs:
+  coverage_if_merged:
+    if: github.event.pull_request.merged == true
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Counterfit repository
+        uses: actions/checkout@v3
+        with:
+          ref: ${{ github.head_ref }}
+          fetch-depth: 0
+
+      - name: Get Coverage Percentage
+        id: coverage_percent
+        uses: notiz-dev/github-action-json-property@release
+        with: 
+            path: 'coverage.json'
+            prop_path: 'totals.percent_covered_display'
+      - run: echo ${{steps.coverage_percent.outputs.prop}}
+
+      - name: Create Coverage Badge
+        uses: schneegans/dynamic-badges-action@v1.6.0
+        with:
+          auth: ${{ secrets.COUNTERFITGISTTOKEN }}
+          gistID: 67510f61f4c4c8809985712453ff1ad8
+          filename: counterfit_test_coverage_badge.json
+          label: Coverage
+          message: ${{steps.coverage_percent.outputs.prop}}%
+          color: orange

.gitignore

@@ -46,6 +46,7 @@ pip-delete-this-directory.txt
 # Unit test / coverage reports
 htmlcov/
 .tox/
+.coverage
 .coverage.*
 .cache
 nosetests.xml

README.md

@@ -1,6 +1,7 @@
 # Counterfit
 
 [![Tests](https://github.com/Azure/counterfit/actions/workflows/tests.yaml/badge.svg?branch=main)](https://github.com/Azure/counterfit/actions/workflows/tests.yaml)
+![TestCoverageBadge](https://img.shields.io/endpoint?url=https://gist.githubusercontent.com/shivenchawla/67510f61f4c4c8809985712453ff1ad8/raw/counterfit_test_coverage_badge.json)
 [![License](http://img.shields.io/:license-mit-blue.svg)](https://github.com/Azure/counterfit/blob/main/LICENSE)
 
 [About](#About) | [Getting Started](#Getting-Started) | [Acknowledgments](#Acknowledgments) | [Contributing](#Contributing) | [Trademarks](#Trademarks) | [Contact Us](#Contact-Us)