Use manually entered namespace and name

scm-webapp/src/main/java/sonia/scm/update/MigrationWizardServlet.java

@@ -3,12 +3,14 @@ package sonia.scm.update;
 import com.github.mustachejava.DefaultMustacheFactory;
 import com.github.mustachejava.Mustache;
 import com.github.mustachejava.MustacheFactory;
+import com.google.common.annotations.VisibleForTesting;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import sonia.scm.boot.RestartEvent;
 import sonia.scm.event.ScmEventBus;
 import sonia.scm.update.repository.MigrationStrategy;
 import sonia.scm.update.repository.MigrationStrategyDao;
+import sonia.scm.update.repository.V1Repository;
 import sonia.scm.update.repository.XmlRepositoryV1UpdateStep;
 import sonia.scm.util.ValidationUtil;
 
@@ -19,6 +21,7 @@ import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
 import java.io.PrintWriter;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
@@ -62,9 +65,7 @@ class MigrationWizardServlet extends HttpServlet {
       .stream()
       .anyMatch(entry -> entry.isNamespaceInvalid() || entry.isNameInvalid()));
 
-    MustacheFactory mf = new DefaultMustacheFactory();
+    respondWithTemplate(resp, model, "templates/repository-migration.mustache");
-    Mustache template = mf.compile("templates/repository-migration.mustache");
-    respondWithTemplate(resp, model, template);
   }
 
   @Override
@@ -76,6 +77,7 @@ class MigrationWizardServlet extends HttpServlet {
       String id = repositoryLineEntry.getId();
       String namespace = req.getParameter("namespace-" + id);
       String name = req.getParameter("name-" + id);
+      String strategy = req.getParameter("strategy-" + id);
       repositoryLineEntry.setNamespace(namespace);
       repositoryLineEntry.setName(name);
 
@@ -105,19 +107,15 @@ class MigrationWizardServlet extends HttpServlet {
         }
       );
 
-    MustacheFactory mf = new DefaultMustacheFactory();
-    Mustache template = mf.compile("templates/repository-migration-restart.mustache");
     Map<String, Object> model = Collections.singletonMap("contextPath", req.getContextPath());
 
-    respondWithTemplate(resp, model, template);
+    respondWithTemplate(resp, model, "templates/repository-migration-restart.mustache");
-
-    resp.setStatus(200);
 
     ScmEventBus.getInstance().post(new RestartEvent(MigrationWizardServlet.class, "wrote migration data"));
   }
 
   private List<RepositoryLineEntry> getRepositoryLineEntries() {
-    List<XmlRepositoryV1UpdateStep.V1Repository> repositoriesWithoutMigrationStrategies =
+    List<V1Repository> repositoriesWithoutMigrationStrategies =
       repositoryV1UpdateStep.getRepositoriesWithoutMigrationStrategies();
     return repositoriesWithoutMigrationStrategies.stream()
       .map(RepositoryLineEntry::new)
@@ -129,7 +127,11 @@ class MigrationWizardServlet extends HttpServlet {
     return MigrationStrategy.values();
   }
 
-  private void respondWithTemplate(HttpServletResponse resp, Map<String, Object> model, Mustache template) {
+  @VisibleForTesting
+  void respondWithTemplate(HttpServletResponse resp, Map<String, Object> model, String templateName) {
+    MustacheFactory mf = new DefaultMustacheFactory();
+    Mustache template = mf.compile(templateName);
+
     PrintWriter writer;
     try {
       writer = resp.getWriter();
@@ -152,12 +154,30 @@ class MigrationWizardServlet extends HttpServlet {
     private boolean namespaceValid = true;
     private boolean nameValid = true;
 
-    public RepositoryLineEntry(XmlRepositoryV1UpdateStep.V1Repository repository) {
+    public RepositoryLineEntry(V1Repository repository) {
       this.id = repository.getId();
       this.type = repository.getType();
-      this.path = repository.getPath();
+      this.path = repository.getType() + "/" + repository.getName();
-      this.namespace = repository.getNewNamespace();
+      this.namespace = computeNewNamespace(repository);
-      this.name = repository.getNewName();
+      this.name = computeNewName(repository);
+    }
+
+    private static String computeNewNamespace(V1Repository v1Repository) {
+      String[] nameParts = getNameParts(v1Repository.getName());
+      return nameParts.length > 1 ? nameParts[0] : v1Repository.getType();
+    }
+
+    private static String computeNewName(V1Repository v1Repository) {
+      String[] nameParts = getNameParts(v1Repository.getName());
+      return nameParts.length == 1 ? nameParts[0] : concatPathElements(nameParts);
+    }
+
+    private static String[] getNameParts(String v1Name) {
+      return v1Name.split("/");
+    }
+
+    private static String concatPathElements(String[] nameParts) {
+      return Arrays.stream(nameParts).skip(1).collect(Collectors.joining("_"));
     }
 
     public String getId() {

scm-webapp/src/main/java/sonia/scm/update/repository/MigrationStrategyDao.java

@@ -19,7 +19,7 @@ public class MigrationStrategyDao {
     this.plan = store.getOptional().orElse(new RepositoryMigrationPlan());
   }
 
-  public Optional<MigrationStrategy> get(String id) {
+  public Optional<RepositoryMigrationPlan.RepositoryMigrationEntry> get(String id) {
     return plan.get(id);
   }
 

scm-webapp/src/main/java/sonia/scm/update/repository/RepositoryMigrationPlan.java

@@ -13,53 +13,50 @@ import static java.util.Arrays.asList;
 @XmlRootElement(name = "repository-migration")
 class RepositoryMigrationPlan {
 
-  private List<RepositoryEntry> entries;
+  private List<RepositoryMigrationEntry> entries;
 
   RepositoryMigrationPlan() {
-    this(new RepositoryEntry[0]);
+    this(new RepositoryMigrationEntry[0]);
   }
 
-  RepositoryMigrationPlan(RepositoryEntry... entries) {
+  RepositoryMigrationPlan(RepositoryMigrationEntry... entries) {
     this.entries = new ArrayList<>(asList(entries));
   }
 
-  Optional<MigrationStrategy> get(String repositoryId) {
+  Optional<RepositoryMigrationEntry> get(String repositoryId) {
-    return findEntry(repositoryId)
-      .map(RepositoryEntry::getDataMigrationStrategy);
-  }
-
-  public void set(String repositoryId, MigrationStrategy strategy, String newNamespace, String newName) {
-    Optional<RepositoryEntry> entry = findEntry(repositoryId);
-    if (entry.isPresent()) {
-      entry.get().setStrategy(strategy);
-      entry.get().setNewNamespace(newNamespace);
-      entry.get().setNewName(newName);
-    } else {
-      entries.add(new RepositoryEntry(repositoryId, strategy));
-    }
-  }
-
-  private Optional<RepositoryEntry> findEntry(String repositoryId) {
     return entries.stream()
       .filter(repositoryEntry -> repositoryId.equals(repositoryEntry.repositoryId))
       .findFirst();
   }
 
+  public void set(String repositoryId, MigrationStrategy strategy, String newNamespace, String newName) {
+    Optional<RepositoryMigrationEntry> entry = get(repositoryId);
+    if (entry.isPresent()) {
+      entry.get().setStrategy(strategy);
+      entry.get().setNewNamespace(newNamespace);
+      entry.get().setNewName(newName);
+    } else {
+      entries.add(new RepositoryMigrationEntry(repositoryId, strategy, newNamespace, newName));
+    }
+  }
+
   @XmlRootElement(name = "entries")
   @XmlAccessorType(XmlAccessType.FIELD)
-  static class RepositoryEntry {
+  static class RepositoryMigrationEntry {
 
     private String repositoryId;
     private MigrationStrategy dataMigrationStrategy;
     private String newNamespace;
     private String newName;
 
-    RepositoryEntry() {
+    RepositoryMigrationEntry() {
     }
 
-    RepositoryEntry(String repositoryId, MigrationStrategy dataMigrationStrategy) {
+    RepositoryMigrationEntry(String repositoryId, MigrationStrategy dataMigrationStrategy, String newNamespace, String newName) {
       this.repositoryId = repositoryId;
       this.dataMigrationStrategy = dataMigrationStrategy;
+      this.newNamespace = newNamespace;
+      this.newName = newName;
     }
 
     public MigrationStrategy getDataMigrationStrategy() {

scm-webapp/src/main/java/sonia/scm/update/repository/V1Permission.java

@@ -0,0 +1,25 @@
+package sonia.scm.update.repository;
+
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlRootElement;
+
+@XmlAccessorType(XmlAccessType.FIELD)
+@XmlRootElement(name = "permissions")
+class V1Permission {
+  private boolean groupPermission;
+  private String name;
+  private String type;
+
+  public boolean isGroupPermission() {
+    return groupPermission;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public String getType() {
+    return type;
+  }
+}

scm-webapp/src/main/java/sonia/scm/update/repository/V1Repository.java

@@ -0,0 +1,92 @@
+package sonia.scm.update.repository;
+
+import sonia.scm.update.properties.V1Properties;
+
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlRootElement;
+import java.util.List;
+
+@XmlAccessorType(XmlAccessType.FIELD)
+@XmlRootElement(name = "repositories")
+public class V1Repository {
+  private String contact;
+  private long creationDate;
+  private Long lastModified;
+  private String description;
+  private String id;
+  private String name;
+  private boolean isPublic;
+  private boolean archived;
+  private String type;
+  private List<V1Permission> permissions;
+  private V1Properties properties;
+
+  public V1Repository() {
+  }
+
+  public V1Repository(String id, String type, String name) {
+    this.id = id;
+    this.type = type;
+    this.name = name;
+  }
+
+  public String getId() {
+    return id;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public String getType() {
+    return type;
+  }
+
+  public String getContact() {
+    return contact;
+  }
+
+  public long getCreationDate() {
+    return creationDate;
+  }
+
+  public Long getLastModified() {
+    return lastModified;
+  }
+
+  public String getDescription() {
+    return description;
+  }
+
+  public boolean isPublic() {
+    return isPublic;
+  }
+
+  public boolean isArchived() {
+    return archived;
+  }
+
+  public List<V1Permission> getPermissions() {
+    return permissions;
+  }
+
+  public V1Properties getProperties() {
+    return properties;
+  }
+
+  @Override
+  public String toString() {
+    return "V1Repository{" +
+      ", contact='" + contact + '\'' +
+      ", creationDate=" + creationDate +
+      ", lastModified=" + lastModified +
+      ", description='" + description + '\'' +
+      ", id='" + id + '\'' +
+      ", name='" + name + '\'' +
+      ", isPublic=" + isPublic +
+      ", archived=" + archived +
+      ", type='" + type + '\'' +
+      '}';
+  }
+}

scm-webapp/src/main/java/sonia/scm/update/repository/XmlRepositoryV1UpdateStep.java

@@ -28,7 +28,6 @@ import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
-import java.util.Arrays;
 import java.util.List;
 import java.util.Optional;
 import java.util.stream.Collectors;
@@ -104,7 +103,7 @@ public class XmlRepositoryV1UpdateStep implements UpdateStep {
     JAXBContext jaxbContext = JAXBContext.newInstance(V1RepositoryDatabase.class);
     readV1Database(jaxbContext).ifPresent(
       v1Database -> {
-        v1Database.repositoryList.repositories.forEach(this::readMigrationStrategy);
+        v1Database.repositoryList.repositories.forEach(this::readMigrationEntry);
         v1Database.repositoryList.repositories.forEach(this::update);
         backupOldRepositoriesFile();
       }
@@ -141,52 +140,56 @@ public class XmlRepositoryV1UpdateStep implements UpdateStep {
   }
 
   private void update(V1Repository v1Repository) {
-    Optional<Path> destination = handleDataDirectory(v1Repository);
+    RepositoryMigrationPlan.RepositoryMigrationEntry repositoryMigrationEntry = readMigrationEntry(v1Repository);
+    Optional<Path> destination = handleDataDirectory(v1Repository, repositoryMigrationEntry.getDataMigrationStrategy());
+    LOG.info("using strategy {} to migrate repository {} with id {} using new namespace {} and name {}",
+      repositoryMigrationEntry.getDataMigrationStrategy().getClass(),
+      v1Repository.getName(),
+      v1Repository.getId(),
+      repositoryMigrationEntry.getNewNamespace(),
+      repositoryMigrationEntry.getNewName());
     destination.ifPresent(
       newPath -> {
         Repository repository = new Repository(
-          v1Repository.id,
+          v1Repository.getId(),
-          v1Repository.type,
+          v1Repository.getType(),
-          v1Repository.getNewNamespace(),
+          repositoryMigrationEntry.getNewNamespace(),
-          v1Repository.getNewName(),
+          repositoryMigrationEntry.getNewName(),
-          v1Repository.contact,
+          v1Repository.getContact(),
-          v1Repository.description,
+          v1Repository.getDescription(),
           createPermissions(v1Repository));
-        LOG.info("creating new repository {} with id {} from old repository {} in directory {}", repository.getNamespaceAndName(), repository.getId(), v1Repository.name, newPath);
+        LOG.info("creating new repository {} with id {} from old repository {} in directory {}", repository.getNamespaceAndName(), repository.getId(), v1Repository.getName(), newPath);
         repositoryDao.add(repository, newPath);
-        propertyStore.put(v1Repository.id, v1Repository.properties);
+        propertyStore.put(v1Repository.getId(), v1Repository.getProperties());
       }
     );
   }
 
-  private Optional<Path> handleDataDirectory(V1Repository v1Repository) {
+  private Optional<Path> handleDataDirectory(V1Repository v1Repository, MigrationStrategy dataMigrationStrategy) {
-    MigrationStrategy dataMigrationStrategy = readMigrationStrategy(v1Repository);
+    return dataMigrationStrategy
-    LOG.info("using strategy {} to migrate repository {} with id {}", dataMigrationStrategy.getClass(), v1Repository.name, v1Repository.id);
+      .from(injector)
-    return dataMigrationStrategy.from(injector).migrate(v1Repository.id, v1Repository.name, v1Repository.type);
+      .migrate(v1Repository.getId(), v1Repository.getName(), v1Repository.getType());
   }
 
-  private MigrationStrategy readMigrationStrategy(V1Repository v1Repository) {
+  private RepositoryMigrationPlan.RepositoryMigrationEntry readMigrationEntry(V1Repository v1Repository) {
     return findMigrationStrategy(v1Repository)
-      .orElseThrow(() -> new IllegalStateException("no strategy found for repository with id " + v1Repository.id + " and name " + v1Repository.name));
+      .orElseThrow(() -> new IllegalStateException("no strategy found for repository with id " + v1Repository.getId() + " and name " + v1Repository.getName()));
   }
 
-  private Optional<MigrationStrategy> findMigrationStrategy(V1Repository v1Repository) {
+  private Optional<RepositoryMigrationPlan.RepositoryMigrationEntry> findMigrationStrategy(V1Repository v1Repository) {
-    return migrationStrategyDao.get(v1Repository.id);
+    return migrationStrategyDao.get(v1Repository.getId());
   }
 
   private RepositoryPermission[] createPermissions(V1Repository v1Repository) {
-    if (v1Repository.permissions == null) {
+    return v1Repository.getPermissions()
-      return new RepositoryPermission[0];
-    }
-    return v1Repository.permissions
       .stream()
       .map(this::createPermission)
       .toArray(RepositoryPermission[]::new);
   }
 
   private RepositoryPermission createPermission(V1Permission v1Permission) {
-    LOG.info("creating permission {} for {}", v1Permission.type, v1Permission.name);
+    LOG.info("creating permission {} for {}", v1Permission.getType(), v1Permission.getName());
-    return new RepositoryPermission(v1Permission.name, v1Permission.type, v1Permission.groupPermission);
+    return new RepositoryPermission(v1Permission.getName(), v1Permission.getType(), v1Permission.isGroupPermission());
   }
 
   private Optional<V1RepositoryDatabase> readV1Database(JAXBContext jaxbContext) throws JAXBException {
@@ -205,79 +208,6 @@ public class XmlRepositoryV1UpdateStep implements UpdateStep {
       ).toFile();
   }
 
-  @XmlAccessorType(XmlAccessType.FIELD)
-  @XmlRootElement(name = "permissions")
-  private static class V1Permission {
-    private boolean groupPermission;
-    private String name;
-    private String type;
-  }
-
-  @XmlAccessorType(XmlAccessType.FIELD)
-  @XmlRootElement(name = "repositories")
-  public static class V1Repository {
-    private String contact;
-    private long creationDate;
-    private Long lastModified;
-    private String description;
-    private String id;
-    private String name;
-    private boolean isPublic;
-    private boolean archived;
-    private String type;
-    private List<V1Permission> permissions;
-    private V1Properties properties;
-
-    public String getId() {
-      return id;
-    }
-
-    public String getName() {
-      return name;
-    }
-
-    public String getType() {
-      return type;
-    }
-
-    public String getPath() {
-      return type + "/" + name;
-    }
-
-    public String getNewNamespace() {
-      String[] nameParts = getNameParts(name);
-      return nameParts.length > 1 ? nameParts[0] : type;
-    }
-
-    public String getNewName() {
-      String[] nameParts = getNameParts(name);
-      return nameParts.length == 1 ? nameParts[0] : concatPathElements(nameParts);
-    }
-
-    private String[] getNameParts(String v1Name) {
-      return v1Name.split("/");
-    }
-
-    private String concatPathElements(String[] nameParts) {
-      return Arrays.stream(nameParts).skip(1).collect(Collectors.joining("_"));
-    }
-
-    @Override
-    public String toString() {
-      return "V1Repository{" +
-        ", contact='" + contact + '\'' +
-        ", creationDate=" + creationDate +
-        ", lastModified=" + lastModified +
-        ", description='" + description + '\'' +
-        ", id='" + id + '\'' +
-        ", name='" + name + '\'' +
-        ", isPublic=" + isPublic +
-        ", archived=" + archived +
-        ", type='" + type + '\'' +
-        '}';
-    }
-  }
-
   private static class RepositoryList {
     @XmlElement(name = "repository")
     private List<V1Repository> repositories;

scm-webapp/src/test/java/sonia/scm/update/MigrationWizardServletTest.java

@@ -0,0 +1,188 @@
+package sonia.scm.update;
+
+import org.junit.jupiter.api.BeforeEach;
+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.update.repository.MigrationStrategy;
+import sonia.scm.update.repository.MigrationStrategyDao;
+import sonia.scm.update.repository.V1Repository;
+import sonia.scm.update.repository.XmlRepositoryV1UpdateStep;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.util.Collections;
+import java.util.Map;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+@ExtendWith(MockitoExtension.class)
+class MigrationWizardServletTest {
+
+  @Mock
+  XmlRepositoryV1UpdateStep updateStep;
+  @Mock
+  MigrationStrategyDao migrationStrategyDao;
+
+  @Mock
+  HttpServletRequest request;
+  @Mock
+  HttpServletResponse response;
+
+  String renderedTemplateName;
+  Map<String, Object> renderedModel;
+
+  MigrationWizardServlet servlet;
+
+  @BeforeEach
+  void initServlet() {
+    servlet = new MigrationWizardServlet(updateStep, migrationStrategyDao) {
+      @Override
+      void respondWithTemplate(HttpServletResponse resp, Map<String, Object> model, String templateName) {
+        renderedTemplateName = templateName;
+        renderedModel = model;
+      }
+    };
+  }
+
+  @Test
+  void shouldUseRepositoryTypeAsNamespaceForNamesWithSingleElement() {
+    when(updateStep.getRepositoriesWithoutMigrationStrategies()).thenReturn(
+      Collections.singletonList(new V1Repository("id", "git", "simple"))
+    );
+
+    servlet.doGet(request, response);
+
+    assertThat(renderedModel.get("repositories"))
+      .asList()
+      .extracting("namespace")
+      .contains("git");
+    assertThat(renderedModel.get("repositories"))
+      .asList()
+      .extracting("name")
+      .contains("simple");
+  }
+
+  @Test
+  void shouldUseDirectoriesForNamespaceAndNameForNamesWithTwoElements() {
+    when(updateStep.getRepositoriesWithoutMigrationStrategies()).thenReturn(
+      Collections.singletonList(new V1Repository("id", "git", "two/dirs"))
+    );
+
+    servlet.doGet(request, response);
+
+    assertThat(renderedModel.get("repositories"))
+      .asList()
+      .extracting("namespace")
+      .contains("two");
+    assertThat(renderedModel.get("repositories"))
+      .asList()
+      .extracting("name")
+      .contains("dirs");
+  }
+
+  @Test
+  void shouldUseDirectoriesForNamespaceAndConcatenatedNameForNamesWithMoreThanTwoElements() {
+    when(updateStep.getRepositoriesWithoutMigrationStrategies()).thenReturn(
+      Collections.singletonList(new V1Repository("id", "git", "more/than/two/dirs"))
+    );
+
+    servlet.doGet(request, response);
+
+    assertThat(renderedModel.get("repositories"))
+      .asList()
+      .extracting("namespace")
+      .contains("more");
+    assertThat(renderedModel.get("repositories"))
+      .asList()
+      .extracting("name")
+      .contains("than_two_dirs");
+  }
+
+  @Test
+  void shouldUseTypeAndNameAsPath() {
+    when(updateStep.getRepositoriesWithoutMigrationStrategies()).thenReturn(
+      Collections.singletonList(new V1Repository("id", "git", "name"))
+    );
+
+    servlet.doGet(request, response);
+
+    assertThat(renderedModel.get("repositories"))
+      .asList()
+      .extracting("path")
+      .contains("git/name");
+  }
+
+  @Test
+  void shouldKeepId() {
+    when(updateStep.getRepositoriesWithoutMigrationStrategies()).thenReturn(
+      Collections.singletonList(new V1Repository("id", "git", "name"))
+    );
+
+    servlet.doGet(request, response);
+
+    assertThat(renderedModel.get("repositories"))
+      .asList()
+      .extracting("id")
+      .contains("id");
+  }
+
+  @Test
+  void shouldNotBeInvalidAtFirstRequest() {
+    when(updateStep.getRepositoriesWithoutMigrationStrategies()).thenReturn(
+      Collections.singletonList(new V1Repository("id", "git", "name"))
+    );
+
+    servlet.doGet(request, response);
+
+    assertThat(renderedModel.get("validationErrorsFound")).isEqualTo(false);
+    assertThat(renderedModel.get("repositories"))
+      .asList()
+      .extracting("namespaceInvalid")
+      .contains(false);
+    assertThat(renderedModel.get("repositories"))
+      .asList()
+      .extracting("nameInvalid")
+      .contains(false);
+  }
+
+  @Test
+  void shouldValidateNamespaceAndNameOnPost() {
+    when(updateStep.getRepositoriesWithoutMigrationStrategies()).thenReturn(
+      Collections.singletonList(new V1Repository("id", "git", "name"))
+    );
+    doReturn("invalid namespace").when(request).getParameter("namespace-id");
+    doReturn("invalid name").when(request).getParameter("name-id");
+    doReturn("COPY").when(request).getParameter("strategy-id");
+
+    servlet.doPost(request, response);
+
+    assertThat(renderedModel.get("validationErrorsFound")).isEqualTo(true);
+    assertThat(renderedModel.get("repositories"))
+      .asList()
+      .extracting("namespaceInvalid")
+      .contains(true);
+    assertThat(renderedModel.get("repositories"))
+      .asList()
+      .extracting("nameInvalid")
+      .contains(true);
+  }
+
+  @Test
+  void shouldStoreValidMigration() {
+    when(updateStep.getRepositoriesWithoutMigrationStrategies()).thenReturn(
+      Collections.singletonList(new V1Repository("id", "git", "name"))
+    );
+    doReturn("namespace").when(request).getParameter("namespace-id");
+    doReturn("name").when(request).getParameter("name-id");
+    doReturn("COPY").when(request).getParameter("strategy-id");
+
+    servlet.doPost(request, response);
+
+    verify(migrationStrategyDao).set("id", MigrationStrategy.COPY, "namespace", "name");
+  }
+}

scm-webapp/src/test/java/sonia/scm/update/repository/MigrationStrategyDaoTest.java

@@ -11,8 +11,6 @@ import org.mockito.junit.jupiter.MockitoExtension;
 import sonia.scm.SCMContextProvider;
 import sonia.scm.store.ConfigurationStoreFactory;
 import sonia.scm.store.JAXBConfigurationStoreFactory;
-import sonia.scm.update.repository.MigrationStrategy;
-import sonia.scm.update.repository.MigrationStrategyDao;
 
 import javax.xml.bind.JAXBException;
 import java.nio.file.Path;
@@ -37,23 +35,31 @@ class MigrationStrategyDaoTest {
   }
 
   @Test
-  void shouldReturnEmptyOptionalWhenStoreIsEmpty() throws JAXBException {
+  void shouldReturnEmptyOptionalWhenStoreIsEmpty() {
     MigrationStrategyDao dao = new MigrationStrategyDao(storeFactory);
 
-    Optional<MigrationStrategy> strategy = dao.get("any");
+    Optional<RepositoryMigrationPlan.RepositoryMigrationEntry> entry = dao.get("any");
 
-    Assertions.assertThat(strategy).isEmpty();
+    Assertions.assertThat(entry).isEmpty();
   }
 
   @Test
-  void shouldReturnNewValue() throws JAXBException {
+  void shouldReturnNewValue() {
     MigrationStrategyDao dao = new MigrationStrategyDao(storeFactory);
 
-    dao.set("id", INLINE);
+    dao.set("id", INLINE, "space", "name");
 
-    Optional<MigrationStrategy> strategy = dao.get("id");
+    Optional<RepositoryMigrationPlan.RepositoryMigrationEntry> entry = dao.get("id");
 
-    Assertions.assertThat(strategy).contains(INLINE);
+    Assertions.assertThat(entry)
+      .map(RepositoryMigrationPlan.RepositoryMigrationEntry::getDataMigrationStrategy)
+      .contains(INLINE);
+    Assertions.assertThat(entry)
+      .map(RepositoryMigrationPlan.RepositoryMigrationEntry::getNewNamespace)
+      .contains("space");
+    Assertions.assertThat(entry)
+      .map(RepositoryMigrationPlan.RepositoryMigrationEntry::getNewName)
+      .contains("name");
   }
 
   @Nested
@@ -62,16 +68,24 @@ class MigrationStrategyDaoTest {
     void initExistingDatabase() throws JAXBException {
       MigrationStrategyDao dao = new MigrationStrategyDao(storeFactory);
 
-      dao.set("id", INLINE);
+      dao.set("id", INLINE, "space", "name");
     }
 
     @Test
     void shouldFindExistingValue() throws JAXBException {
       MigrationStrategyDao dao = new MigrationStrategyDao(storeFactory);
 
-      Optional<MigrationStrategy> strategy = dao.get("id");
+      Optional<RepositoryMigrationPlan.RepositoryMigrationEntry> entry = dao.get("id");
 
-      Assertions.assertThat(strategy).contains(INLINE);
+      Assertions.assertThat(entry)
+        .map(RepositoryMigrationPlan.RepositoryMigrationEntry::getDataMigrationStrategy)
+        .contains(INLINE);
+      Assertions.assertThat(entry)
+        .map(RepositoryMigrationPlan.RepositoryMigrationEntry::getNewNamespace)
+        .contains("space");
+      Assertions.assertThat(entry)
+        .map(RepositoryMigrationPlan.RepositoryMigrationEntry::getNewName)
+        .contains("name");
     }
   }
 }

scm-webapp/src/test/java/sonia/scm/update/repository/XmlRepositoryV1UpdateStepTest.java

@@ -11,6 +11,7 @@ import org.mockito.ArgumentCaptor;
 import org.mockito.Captor;
 import org.mockito.Mock;
 import org.mockito.junit.jupiter.MockitoExtension;
+import org.mockito.stubbing.Answer;
 import sonia.scm.repository.Repository;
 import sonia.scm.repository.RepositoryPermission;
 import sonia.scm.repository.xml.XmlRepositoryDAO;
@@ -25,7 +26,6 @@ import java.io.IOException;
 import java.net.URL;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.nio.file.Paths;
 import java.util.Optional;
 
 import static java.util.Optional.empty;
@@ -38,9 +38,6 @@ import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
-import static sonia.scm.update.repository.MigrationStrategy.COPY;
-import static sonia.scm.update.repository.MigrationStrategy.DELETE;
-import static sonia.scm.update.repository.MigrationStrategy.INLINE;
 import static sonia.scm.update.repository.MigrationStrategy.MOVE;
 
 @ExtendWith(MockitoExtension.class)
@@ -92,9 +89,14 @@ class XmlRepositoryV1UpdateStepTest {
 
     @BeforeEach
     void createMigrationPlan() {
-      lenient().when(migrationStrategyDao.get("3b91caa5-59c3-448f-920b-769aaa56b761")).thenReturn(of(MOVE));
+      Answer<Object> planAnswer = invocation -> {
-      lenient().when(migrationStrategyDao.get("c1597b4f-a9f0-49f7-ad1f-37d3aae1c55f")).thenReturn(of(COPY));
+        String id = invocation.getArgument(0).toString();
-      lenient().when(migrationStrategyDao.get("454972da-faf9-4437-b682-dc4a4e0aa8eb")).thenReturn(of(INLINE));
+        return of(new RepositoryMigrationPlan.RepositoryMigrationEntry(id, MOVE, "namespace-" + id, "name-" + id));
+      };
+
+      lenient().when(migrationStrategyDao.get("3b91caa5-59c3-448f-920b-769aaa56b761")).thenAnswer(planAnswer);
+      lenient().when(migrationStrategyDao.get("c1597b4f-a9f0-49f7-ad1f-37d3aae1c55f")).thenAnswer(planAnswer);
+      lenient().when(migrationStrategyDao.get("454972da-faf9-4437-b682-dc4a4e0aa8eb")).thenAnswer(planAnswer);
     }
 
     @Test
@@ -107,56 +109,20 @@ class XmlRepositoryV1UpdateStepTest {
     void shouldMapAttributes() throws JAXBException {
       updateStep.doUpdate();
 
-      Optional<Repository> repository = findByNamespace("git");
+      Optional<Repository> repository = findByNamespace("namespace-3b91caa5-59c3-448f-920b-769aaa56b761");
 
       assertThat(repository)
         .get()
         .hasFieldOrPropertyWithValue("type", "git")
         .hasFieldOrPropertyWithValue("contact", "arthur@dent.uk")
-        .hasFieldOrPropertyWithValue("description", "A simple repository without directories.");
+        .hasFieldOrPropertyWithValue("description", "A repository with two folders.");
-    }
-
-    @Test
-    void shouldUseRepositoryTypeAsNamespaceForNamesWithSingleElement() throws JAXBException {
-      updateStep.doUpdate();
-
-      Optional<Repository> repository = findByNamespace("git");
-
-      assertThat(repository)
-        .get()
-        .hasFieldOrPropertyWithValue("namespace", "git")
-        .hasFieldOrPropertyWithValue("name", "simple");
-    }
-
-    @Test
-    void shouldUseDirectoriesForNamespaceAndNameForNamesWithTwoElements() throws JAXBException {
-      updateStep.doUpdate();
-
-      Optional<Repository> repository = findByNamespace("one");
-
-      assertThat(repository)
-        .get()
-        .hasFieldOrPropertyWithValue("namespace", "one")
-        .hasFieldOrPropertyWithValue("name", "directory");
-    }
-
-    @Test
-    void shouldUseDirectoriesForNamespaceAndConcatenatedNameForNamesWithMoreThanTwoElements() throws JAXBException {
-      updateStep.doUpdate();
-
-      Optional<Repository> repository = findByNamespace("some");
-
-      assertThat(repository)
-        .get()
-        .hasFieldOrPropertyWithValue("namespace", "some")
-        .hasFieldOrPropertyWithValue("name", "more_directories_than_one");
     }
 
     @Test
     void shouldMapPermissions() throws JAXBException {
       updateStep.doUpdate();
 
-      Optional<Repository> repository = findByNamespace("git");
+      Optional<Repository> repository = findByNamespace("namespace-454972da-faf9-4437-b682-dc4a4e0aa8eb");
 
       assertThat(repository.get().getPermissions())
         .hasSize(3)
@@ -179,7 +145,7 @@ class XmlRepositoryV1UpdateStepTest {
     @Test
     void shouldUseDirectoryFromStrategy(@TempDirectory.TempDir Path tempDir) throws JAXBException {
       Path targetDir = tempDir.resolve("someDir");
-      MigrationStrategy.Instance strategyMock = injectorMock.getInstance(InlineMigrationStrategy.class);
+      MigrationStrategy.Instance strategyMock = injectorMock.getInstance(MoveMigrationStrategy.class);
       when(strategyMock.migrate("454972da-faf9-4437-b682-dc4a4e0aa8eb", "simple", "git")).thenReturn(of(targetDir));
 
       updateStep.doUpdate();