added docker support

Dockerfile

@@ -0,0 +1,18 @@
+FROM alpine as mvn
+
+RUN apk add maven
+
+
+FROM mvn as builder
+
+WORKDIR /build
+ADD . .
+RUN mvn package
+
+
+FROM eclipse-temurin:17-jdk-alpine
+
+WORKDIR /backend
+COPY --from=builder /build/target/swa-jodel-backend.jar .
+
+ENTRYPOINT ["java","-jar","/backend/swa-jodel-backend.jar"]

pom.xml

@@ -14,7 +14,7 @@
     <name>SWA-Jodel</name>
     <description>SWA-Jodel</description>
     <properties>
-        <java.version>22</java.version>
+        <java.version>21</java.version>
     </properties>
     <dependencies>
         <dependency>
@@ -35,6 +35,7 @@
     </dependencies>
 
     <build>
+        <finalName>swa-jodel-backend</finalName>
         <plugins>
             <plugin>
                 <groupId>org.springframework.boot</groupId>

src/test/java/de/anxietyprime/swajodel/SwaJodelApplicationTests.java

@@ -3,11 +3,44 @@ package de.anxietyprime.swajodel;
 import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
 
+import java.util.Optional;
+
 @SpringBootTest
 class SwaJodelApplicationTests {
 
     @Test
-    void contextLoads() {
+    void anonymousTest() {
+        JodelPost post = new JodelPost(1000);
+        post.comments.add(new JodelPost(1001));
+        post.comments.add(new JodelPost(1002));
+        post.comments.get(0).comments.add(new JodelPost(1000));
+        post.comments.get(0).comments.add(new JodelPost(1001));
+        post.comments.get(0).comments.add(new JodelPost(1000));
+        post.comments.add(new JodelPost(1003));
+        post.comments.get(2).comments.add(new JodelPost(1001));
+        post.comments.get(2).comments.add(new JodelPost(1002));
+        post.comments.get(2).comments.add(new JodelPost(1003));
+        post.comments.get(2).comments.add(new JodelPost(1000));
+        post.comments.add(new JodelPost(1000));
+        post.comments.add(new JodelPost(1001));
+        post.comments.add(new JodelPost(1001));
+
+        post.anonymize(Optional.empty());
+
+        assert (post.anonymousID == 0);
+        assert (post.comments.get(0).anonymousID == 1);
+        assert (post.comments.get(1).anonymousID == 2);
+        assert (post.comments.get(2).anonymousID == 3);
+        assert (post.comments.get(3).anonymousID == 0);
+        assert (post.comments.get(4).anonymousID == 1);
+        assert (post.comments.get(5).anonymousID == 1);
+        assert (post.comments.get(0).comments.get(0).anonymousID == 0);
+        assert (post.comments.get(0).comments.get(1).anonymousID == 1);
+        assert (post.comments.get(0).comments.get(2).anonymousID == 0);
+        assert (post.comments.get(2).comments.get(0).anonymousID == 1);
+        assert (post.comments.get(2).comments.get(1).anonymousID == 2);
+        assert (post.comments.get(2).comments.get(2).anonymousID == 3);
+        assert (post.comments.get(2).comments.get(3).anonymousID == 0);
     }
 
 }