feat: added test coverage report

* feat: testing test coverage

* ci: run coverage report only on master branch

* docs: added go test coverage badge

.github/workflows/test.yml

@@ -23,14 +23,11 @@ jobs:
       - name: Go Vet
         run: go vet ./tsort
 
-      - name: Go Test
-        run: go test -v ./...
+      - name: Test with Coverage
+        run: go test -v -coverprofile=coverage.out ./...
 
-      - name: Update coverage report
+      - name: Coverage Report
         uses: ncruces/go-coverage-report@main
-        if: |
-          matrix.os == 'ubuntu-latest' &&
-          github.event_name == 'push'
-        continue-on-error: true
-        # with:
-        #   branch: master
+        if: github.ref == 'refs/heads/master'
+        with:
+          coverage_path: coverage.out

README.md

@@ -3,6 +3,7 @@
 [![badge-gh-release](https://github.com/AlexNabokikh/tfsort/actions/workflows/release.yml/badge.svg)](https://github.com/AlexNabokikh/tfsort/actions/workflows/release.yml/badge.svg)
 [![badge-gh-tests](https://github.com/AlexNabokikh/tfsort/actions/workflows/test.yml/badge.svg)](https://github.com/AlexNabokikh/tfsort/actions/workflows/test.yml/badge.svg)
 [![go-report-card](https://goreportcard.com/badge/github.com/AlexNabokikh/tfsort)](https://goreportcard.com/report/github.com/AlexNabokikh/tfsort)
+[![go-test-coverage](https://github.com/AlexNabokikh/tfsort/wiki/coverage.svg)](https://raw.githack.com/wiki/AlexNabokikh/tfsort/coverage.html)
 
 ![Logo](files/logo.png)