docs:support Codecov.

Signed-off-by: Haotian Zhang <[email protected]>

Author: SkyeBeFreeman

.github/workflows/testing.yml

@@ -62,4 +62,8 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-maven-
       - name: Test with Maven
-        run: mvn -B test --file pom.xml
+        run: mvn clean test -B -U --file pom.xml
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v4
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

README.md

@@ -1,5 +1,8 @@
 # dubbo-java-polaris
 
+[![codecov](https://codecov.io/gh/polarismesh/dubbo-java-polaris/graph/badge.svg?token=I9fctxnRWi)](https://codecov.io/gh/polarismesh/dubbo-java-polaris)
+[![Testing](https://github.com/polarismesh/dubbo-java-polaris/actions/workflows/testing.yml/badge.svg)](https://github.com/polarismesh/dubbo-java-polaris/actions/workflows/testing.yml)
+
 ## 介绍
 
 dubbo-java-polaris 是 [Apache Dubbo](https://github.com/apache/dubbo) 框架的扩展，便于使用dubbo框架开发的应用可以接入并使用北极星的各部分功能。

pom.xml

@@ -70,6 +70,7 @@
         <maven.gpg.plugin.version>3.0.1</maven.gpg.plugin.version>
         <maven.flatten.plugin.version>1.2.5</maven.flatten.plugin.version>
         <maven.clean.plugin.version>3.1.0</maven.clean.plugin.version>
+        <jacoco-maven-plugin.version>0.8.12</jacoco-maven-plugin.version>
         <central.publishing.maven.plugin.version>0.8.0</central.publishing.maven.plugin.version>
 
         <timestamp>${maven.build.timestamp}</timestamp>
@@ -164,6 +165,26 @@
                     <suppressionsLocation>checkstyle/suppressions.xml</suppressionsLocation>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.jacoco</groupId>
+                <artifactId>jacoco-maven-plugin</artifactId>
+                <version>${jacoco-maven-plugin.version}</version>
+                <executions>
+                    <execution>
+                        <id>prepare-agent</id>
+                        <goals>
+                            <goal>prepare-agent</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>report</id>
+                        <phase>test</phase>
+                        <goals>
+                            <goal>report</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>