Add github action to run tests and get coverage

.github/workflows/test.yml

@@ -0,0 +1,74 @@
+name: Maven tests
+
+on:
+  pull_request:
+  push:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
+      - name: Set up JDK 21
+        uses: actions/setup-java@6a0805fcefea3d4657a47ac4c165951e33482018 # v4
+        with:
+          java-version: '21'
+          distribution: 'zulu'
+          cache: maven
+
+      - name: Run Maven tests
+        run: |
+          mvn clean install -DskipTests
+          modules=("dubbo-common" 
+                  "dubbo-serialization/dubbo-serialization-hessian2" 
+                  "dubbo-serialization/dubbo-serialization-fastjson2" 
+                  "dubbo-remoting/dubbo-remoting-api" 
+                  "dubbo-metrics/dubbo-metrics-api" 
+                  "dubbo-config/dubbo-config-api")
+                  
+          for module in "${modules[@]}"; do
+            echo "Running tests for $module"
+            mvn -B verify -Pjacoco -f $module/pom.xml
+          done
+
+      - name: Get JaCoCo Coverage
+        id: COVERAGE
+        run: |
+          coverage1=$(python3 config/coverage.py dubbo-common/target/site/jacoco/jacoco.csv) 
+          echo "COVERAGE1=$coverage1" >> $GITHUB_ENV
+          coverage2=$(python3 config/coverage.py dubbo-serialization/dubbo-serialization-hessian2/target/site/jacoco/jacoco.csv) 
+          echo "COVERAGE2=$coverage2" >> $GITHUB_ENV
+          coverage3=$(python3 config/coverage.py dubbo-serialization/dubbo-serialization-fastjson2/target/site/jacoco/jacoco.csv) 
+          echo "COVERAGE3=$coverage3" >> $GITHUB_ENV
+          coverage4=$(python3 config/coverage.py dubbo-remoting/dubbo-remoting-api/target/site/jacoco/jacoco.csv) 
+          echo "COVERAGE4=$coverage4" >> $GITHUB_ENV
+          coverage5=$(python3 config/coverage.py dubbo-metrics/dubbo-metrics-api/target/site/jacoco/jacoco.csv) 
+          echo "COVERAGE5=$coverage5" >> $GITHUB_ENV
+          coverage6=$(python3 config/coverage.py dubbo-config/dubbo-config-api/target/site/jacoco/jacoco.csv) 
+          echo "COVERAGE6=$coverage6" >> $GITHUB_ENV
+
+      - name: Fail if coverage has not improved.
+        run: |
+          threshold1=65.38
+          threshold2=56.79
+          threshold3=68.38
+          threshold4=53.44
+          threshold5=34.24
+          threshold6=74.58
+
+          if (( $(echo "$COVERAGE1 > $threshold1" | bc -l) )); then
+            echo "New coverage for the module dubbo-common - $COVERAGE1%. Coverage is improved!"
+          elif (( $(echo "$COVERAGE2 > $threshold2" | bc -l) )); then
+            echo "New coverage for the module dubbo-serialization-hessian2 - $COVERAGE2%. Coverage is improved!"
+          elif (( $(echo "$COVERAGE3 > $threshold3" | bc -l) )); then
+            echo "New coverage for the module dubbo-serialization-fastjson2 - $COVERAGE3%. Coverage is improved!"
+          elif (( $(echo "$COVERAGE4 > $threshold4" | bc -l) )); then
+            echo "New coverage for the module dubbo-remoting-api - $COVERAGE4%. Coverage is improved!"
+          elif (( $(echo "$COVERAGE5 > $threshold5" | bc -l) )); then
+            echo "New coverage for the module dubbo-metrics-api - $COVERAGE5%. Coverage is improved!"
+          elif (( $(echo "$COVERAGE6 > $threshold6" | bc -l) )); then
+            echo "New coverage for the module dubbo-config-api - $COVERAGE6%. Coverage is improved!"
+          else
+            echo "Coverage is not improved."
+            exit 1
+          fi

config/coverage.py

@@ -0,0 +1,47 @@
+import csv
+
+def computeCoverage(fileList):
+    """Parses one or more jacoco.csv files and computes code coverage percentages."""
+    missed = 0
+    covered = 0
+    missedBranches = 0
+    coveredBranches = 0
+
+    for filename in fileList:
+        try:
+            with open(filename, newline='') as csvfile:
+                jacocoReader = csv.reader(csvfile)
+                for i, row in enumerate(jacocoReader):
+                    if i > 0:  # Skip header
+                        missed += int(row[3])
+                        covered += int(row[4])
+                        missedBranches += int(row[5])
+                        coveredBranches += int(row[6])
+        except FileNotFoundError:
+            print(f"File not found: {filename}")
+            return (0, 0)
+        except Exception as e:
+            print(f"Error processing file {filename}: {str(e)}")
+            return (0, 0)
+
+    return (
+        calculatePercentage(covered, missed),
+        calculatePercentage(coveredBranches, missedBranches)
+    )
+
+def calculatePercentage(covered, missed):
+    """Calculates the coverage percentage."""
+    if missed == 0 and covered == 0:
+        return 1
+    return covered / (covered + missed)
+
+def main(jacocoCsvFile):
+    coverage, branchCoverage = computeCoverage([jacocoCsvFile])
+    """Return coverage percentage to check against the previous coverage."""
+    return round(coverage * 100, 2)
+
+if __name__ == "__main__":
+    import sys
+    jacocoCsvFile = sys.argv[1]
+    result = main(jacocoCsvFile)
+    print(result)

pom.xml

@@ -369,7 +369,6 @@
             <id>report-aggregate</id>
             <goals>
               <goal>report</goal>
-              <goal>report-aggregate</goal>
             </goals>
             <phase>verify</phase>
             <configuration>