added 85% minimum code coverage test

.github/workflows/pull-request_validation.yml

@@ -72,10 +72,20 @@ jobs:
           echo "::set-output name=classes::$( echo $classes | sed 's/\(.*\),/\1 /' )"
 
       # Run Apex tests in scratch org
-      # TODO throw error on below 75% code coverage
       - name: "Run Apex tests"
         run: "sfdx force:apex:test:run -t ${{ steps.test-classes-in-repo.outputs.classes }} -c -r human -d ./tests/apex -w 20"
 
+      # Validate at least 85% code coverage
+      - name: Validate at least 85% code coverage
+        run:
+          codecoverage=$(cat tests/apex/test-result-7*.json | jq '.summary.testRunCoverage' | sed 's/\"//g; s/\%//g')
+          if [ $codecoverage -lt 85 ]
+          then
+            echo "Code coverage: $codecoverage%"
+            echo "Because it is less than 85%, the validation failed"
+            exit 125
+          fi
+
       # Delete scratch orgs
       - name: "Delete scratch org"
         if: always()

force-app/main/default/classes/testclass2.cls

@@ -0,0 +1,11 @@
+public with sharing class testclass2 {
+    public static Boolean testFunc() {
+      System.debug('test');
+        return true;
+    }
+  }
+
+
+
+
+

force-app/main/default/classes/testclass2.cls-meta.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ApexClass xmlns="http://soap.sforce.com/2006/04/metadata">
+    <apiVersion>49.0</apiVersion>
+    <status>Active</status>
+</ApexClass>

force-app/main/default/classes/testclass2test.cls

@@ -0,0 +1,7 @@
+@isTest
+private without sharing class testclass2test {
+    @isTest
+    private static void testFunction() {
+        System.assert(testclass2.testFunc(), 'should be true');
+    }
+}

force-app/main/default/classes/testclass2test.cls-meta.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ApexClass xmlns="http://soap.sforce.com/2006/04/metadata">
+    <apiVersion>49.0</apiVersion>
+    <status>Active</status>
+</ApexClass>