Randomize repositories in tests

To be used when caching dependencies in CI workflows.

README.md

@@ -2,7 +2,7 @@
 [![Java](https://img.shields.io/badge/java-17%2B-blue)](https://www.oracle.com/java/technologies/javase/jdk17-archive-downloads.html)
 [![bld](https://img.shields.io/badge/2.3.0-FA9052?label=bld&labelColor=2392FF)](https://rife2.com/bld)
 [![Release](https://img.shields.io/github/release/rife2/bld.svg)](https://github.com/rife2/bld/releases/latest)
-[![Maven Central](https://maven-badges.herokuapp.com/maven-central/com.uwyn.rife2/bld/badge.svg?color=blue)](https://maven-badges.herokuapp.com/maven-central/com.uwyn.rife2/bld)
+[![Maven Central](https://img.shields.io/maven-central/v/com.uwyn.rife2/bld)](https://central.sonatype.com/artifact/com.uwyn.rife2/bld)
 [![GitHub Snapshot](https://img.shields.io/maven-metadata/v?metadataUrl=https%3A%2F%2Fcentral.sonatype.com%2Frepository%2Fmaven-snapshots%2Fcom%2Fuwyn%2Frife2%2Fbld%2Fmaven-metadata.xml)](https://github.com/rife2/bld/packages/2214741/versions)
 [![gradle-ci](https://github.com/rife2/bld/actions/workflows/bld.yml/badge.svg)](https://github.com/rife2/bld/actions/workflows/bld.yml)
 [![Tests](https://rife2.com/tests-badge/badge/com.uwyn.rife2/bld)](https://github.com/rife2/rife2/actions/workflows/bld.yml)

src/test/java/rife/bld/dependencies/RepositoryTestHelper.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright 2026 Erik C. Thauvin (https://erik.thauvin.net/)
+ * Licensed under the Apache License, Version 2.0 (the "License")
+ */
+package rife.bld.dependencies;
+
+import java.security.SecureRandom;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import static rife.bld.dependencies.Repository.*;
+
+public final class RepositoryTestHelper {
+    public static final List<Repository> MAVEN_CENTRAL_REPOSITORIES = List.of(
+            MAVEN_CENTRAL,
+            APACHE,
+            GOOGLE_MAVEN_CENTRAL,
+            GOOGLE_MAVEN_CENTRAL_EU,
+            GOOGLE_MAVEN_CENTRAL_ASIA
+    );
+
+    private static final SecureRandom SECURE_RANDOM = new SecureRandom();
+
+    private RepositoryTestHelper() {
+    }
+
+    public static Repository getRandomRepository() {
+        int index = SECURE_RANDOM.nextInt(MAVEN_CENTRAL_REPOSITORIES.size());
+        return MAVEN_CENTRAL_REPOSITORIES.get(index);
+    }
+
+    public static List<Repository> getRandomRepositories(int count) {
+        if (count < 0) {
+            throw new IllegalArgumentException("count cannot be negative");
+        }
+        if (count > MAVEN_CENTRAL_REPOSITORIES.size()) {
+            throw new IllegalArgumentException("count cannot exceed repository list size: "
+                    + MAVEN_CENTRAL_REPOSITORIES.size());
+        }
+
+        List<Repository> shuffled = new ArrayList<>(MAVEN_CENTRAL_REPOSITORIES);
+        Collections.shuffle(shuffled, SECURE_RANDOM);
+        return Collections.unmodifiableList(shuffled.subList(0, count));
+    }
+
+    public static List<Repository> getRandomRepositories() {
+        return getRandomRepositories(2);
+    }
+}

src/test/java/rife/bld/dependencies/TestDependencySet.java

@@ -5,13 +5,13 @@
 package rife.bld.dependencies;
 
 import org.junit.jupiter.api.Test;
-import rife.ioc.HierarchicalProperties;
 import rife.tools.StringUtils;
 
 import java.util.List;
 
 import static org.junit.jupiter.api.Assertions.*;
 import static rife.bld.dependencies.Repository.*;
+import static rife.bld.dependencies.RepositoryTestHelper.getRandomRepository;
 import static rife.bld.dependencies.Scope.compile;
 import static rife.bld.dependencies.Scope.runtime;
 
@@ -92,7 +92,7 @@ public class TestDependencySet {
             │  └─ org.eclipse.jetty:jetty-io:11.0.14
             └─ org.slf4j:slf4j-simple:2.0.6
                └─ org.slf4j:slf4j-api:2.0.6
-            """), dependencies.generateTransitiveDependencyTree(VersionResolution.dummy(), ArtifactRetriever.instance(), List.of(MAVEN_CENTRAL), compile));
+            """), dependencies.generateTransitiveDependencyTree(VersionResolution.dummy(), ArtifactRetriever.instance(), List.of(getRandomRepository()), compile));
     }
 
     @Test
@@ -118,7 +118,7 @@ public class TestDependencySet {
                ├─ org.springframework:spring-core:6.0.6
                │  └─ org.springframework:spring-jcl:6.0.6
                └─ org.yaml:snakeyaml:1.33
-            """), dependencies.generateTransitiveDependencyTree(VersionResolution.dummy(), ArtifactRetriever.instance(), List.of(MAVEN_CENTRAL), compile));
+            """), dependencies.generateTransitiveDependencyTree(VersionResolution.dummy(), ArtifactRetriever.instance(), List.of(getRandomRepository()), compile));
     }
 
     @Test
@@ -158,7 +158,7 @@ public class TestDependencySet {
                ├─ org.codehaus.plexus:plexus-component-annotations:2.1.0
                ├─ org.apache.commons:commons-lang3:3.8.1
                └─ org.slf4j:slf4j-api:1.7.36
-            """), dependencies.generateTransitiveDependencyTree(VersionResolution.dummy(), ArtifactRetriever.instance(), List.of(MAVEN_CENTRAL), compile));
+            """), dependencies.generateTransitiveDependencyTree(VersionResolution.dummy(), ArtifactRetriever.instance(), List.of(getRandomRepository()), compile));
     }
 
     @Test
@@ -214,7 +214,7 @@ public class TestDependencySet {
                ├─ org.scala-lang.modules:scala-java8-compat_2.13:1.0.2
                ├─ com.typesafe:ssl-config-core_2.13:0.4.3
                └─ org.scala-lang.modules:scala-parser-combinators_2.13:1.1.2
-            """), dependencies.generateTransitiveDependencyTree(VersionResolution.dummy(), ArtifactRetriever.instance(), List.of(MAVEN_CENTRAL), compile));
+            """), dependencies.generateTransitiveDependencyTree(VersionResolution.dummy(), ArtifactRetriever.instance(), List.of(getRandomRepository()), compile));
     }
 
     @Test
@@ -310,7 +310,7 @@ public class TestDependencySet {
                      │  ├─ net.java.dev.jna:jna:5.11.0
                      │  └─ net.java.dev.jna:jna-platform:5.11.0
                      └─ com.auth0:java-jwt:3.19.2
-            """), dependencies.generateTransitiveDependencyTree(VersionResolution.dummy(), ArtifactRetriever.instance(), List.of(MAVEN_CENTRAL), compile));
+            """), dependencies.generateTransitiveDependencyTree(VersionResolution.dummy(), ArtifactRetriever.instance(), List.of(getRandomRepository()), compile));
     }
 
     @Test
@@ -353,7 +353,7 @@ public class TestDependencySet {
             └─ com.google.zxing:javase:3.5.1
                ├─ com.google.zxing:core:3.5.1
                └─ com.beust:jcommander:1.82
-            """), dependencies.generateTransitiveDependencyTree(VersionResolution.dummy(), ArtifactRetriever.instance(), List.of(MAVEN_CENTRAL), compile));
+            """), dependencies.generateTransitiveDependencyTree(VersionResolution.dummy(), ArtifactRetriever.instance(), List.of(getRandomRepository()), compile));
     }
 
     @Test