add actions stage to check test coverage level

Author: neel1996

.github/workflows/go.yml

@@ -21,6 +21,7 @@ jobs:
       PKG_CONFIG_PATH: /home/linuxbrew/.linuxbrew/Cellar/libgit2/1.1.1/lib/pkgconfig/
       GITCONVEX_TEST_REPO: /home/runner/work/gitconvex-server/gitconvex-test
       GITCONVEX_DEFAULT_PATH: /usr/local/gitconvex
+      COVERAGE_THRESHOLD: 90
 
     steps:
       - name: Install libgit2 from Homebrew
@@ -51,6 +52,14 @@ jobs:
           export PATH=$PATH:$(go env GOPATH)/bin
           make test-ci-pretty
 
+      - name: Check Coverage
+        shell: bash
+        run: |
+          export COVERAGE_PERCENT=`go tool cover -func=coverage.out | grep "total:" | grep -Eo '[0-9]+\.[0-9]+'`
+          echo "Current coverage percentage : $COVERAGE_PERCENT"
+          make check-coverage
+
+
   gitconvex-build:
     needs:
       - gitconvex-test

Makefile

@@ -72,6 +72,9 @@ dockerise-test:
 	docker-compose -f docker-compose.test.yaml build && \
 	docker-compose -f docker-compose.test.yaml up
 
+check-coverage:
+	sh ./build_scripts/check_coverage.sh
+
 show-coverage:
 	go tool cover -html=coverage.out
 

build_scripts/check_coverage.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+if [[ $COVERAGE_PERCENT < $COVERAGE_THRESHOLD ]];
+then
+  echo "Coverage $COVERAGE_PERCENT is less that the threshold $COVERAGE_THRESHOLD" && exit 1;
+else
+  echo " ✔️ Good work! Coverage $COVERAGE_PERCENT meets the expectation"
+fi;