adds rest endpoint for namespace strategies

scm-webapp/src/test/java/sonia/scm/api/v2/resources/NamespaceStrategyResourceTest.java

@@ -0,0 +1,74 @@
+package sonia.scm.api.v2.resources;
+
+import com.google.common.collect.Lists;
+import com.google.inject.util.Providers;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import sonia.scm.repository.NamespaceStrategy;
+import sonia.scm.repository.Repository;
+
+import javax.inject.Provider;
+import javax.ws.rs.core.UriInfo;
+import java.net.URI;
+import java.util.LinkedHashSet;
+import java.util.Set;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.when;
+
+@ExtendWith(MockitoExtension.class)
+class NamespaceStrategyResourceTest {
+
+  @Mock
+  private UriInfo uriInfo;
+
+  @Test
+  void shouldReturnNamespaceStrategies() {
+    when(uriInfo.getAbsolutePath()).thenReturn(URI.create("/namespace-strategies"));
+
+    Set<NamespaceStrategy> namespaceStrategies = allStrategies();
+    Provider<NamespaceStrategy> current = Providers.of(new MegaNamespaceStrategy());
+
+    NamespaceStrategyResource resource = new NamespaceStrategyResource(namespaceStrategies, current);
+
+    NamespaceStrategiesDto dto = resource.get(uriInfo);
+    assertThat(dto.getCurrent()).isEqualTo(MegaNamespaceStrategy.class.getName());
+    assertThat(dto.getAvailable()).contains(
+      AwesomeNamespaceStrategy.class.getName(),
+      SuperNamespaceStrategy.class.getName(),
+      MegaNamespaceStrategy.class.getName()
+    );
+    assertThat(dto.getLinks().getLinkBy("self").get().getHref()).isEqualTo("/namespace-strategies");
+  }
+
+  private Set<NamespaceStrategy> allStrategies() {
+    return  strategies(new AwesomeNamespaceStrategy(), new SuperNamespaceStrategy(), new MegaNamespaceStrategy());
+  }
+
+  private Set<NamespaceStrategy> strategies(NamespaceStrategy... strategies) {
+    return new LinkedHashSet<>(Lists.newArrayList(strategies));
+  }
+
+  private static class AwesomeNamespaceStrategy implements NamespaceStrategy {
+    @Override
+    public String createNamespace(Repository repository) {
+      return "awesome";
+    }
+  }
+
+  private static class SuperNamespaceStrategy implements NamespaceStrategy {
+    @Override
+    public String createNamespace(Repository repository) {
+      return "super";
+    }
+  }
+
+  private static class MegaNamespaceStrategy implements NamespaceStrategy {
+    @Override
+    public String createNamespace(Repository repository) {
+      return "mega";
+    }
+  }
+}

scm-webapp/src/test/java/sonia/scm/api/v2/resources/ResourceLinksMock.java

@@ -43,6 +43,8 @@ public class ResourceLinksMock {
     when(resourceLinks.merge()).thenReturn(new ResourceLinks.MergeLinks(uriInfo));
     when(resourceLinks.permissions()).thenReturn(new ResourceLinks.PermissionsLinks(uriInfo));
     when(resourceLinks.availableRepositoryPermissions()).thenReturn(new ResourceLinks.AvailableRepositoryPermissionLinks(uriInfo));
+    when(resourceLinks.repositoryTypeCollection()).thenReturn(new ResourceLinks.RepositoryTypeCollectionLinks(uriInfo));
+    when(resourceLinks.namespaceStrategies()).thenReturn(new ResourceLinks.NamespaceStrategiesLinks(uriInfo));
 
     return resourceLinks;
   }