make scm-webapp depend optional of scm-landingpage-plugin // add some events for landingpage

scm-webapp/pom.xml

@@ -463,6 +463,15 @@
       <scope>provided</scope>
     </dependency>
 
+
+    <!-- optional dependencies -->
+    <dependency>
+      <groupId>sonia.scm.plugins</groupId>
+      <artifactId>scm-landingpage-plugin</artifactId>
+      <version>1.0.0-SNAPSHOT</version>
+      <optional>true</optional>
+    </dependency>
+
   </dependencies>
 
   <build>

scm-webapp/src/main/java/sonia/scm/plugin/DefaultPluginManager.java

@@ -31,7 +31,6 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import sonia.scm.NotFoundException;
 import sonia.scm.event.ScmEventBus;
-import sonia.scm.lifecycle.RestartEvent;
 import sonia.scm.lifecycle.Restarter;
 import sonia.scm.version.Version;
 
@@ -64,17 +63,19 @@ public class DefaultPluginManager implements PluginManager {
   private final PluginCenter center;
   private final PluginInstaller installer;
   private final Restarter restarter;
+  private final ScmEventBus eventBus;
 
   private final Collection<PendingPluginInstallation> pendingInstallQueue = new ArrayList<>();
   private final Collection<PendingPluginUninstallation> pendingUninstallQueue = new ArrayList<>();
   private final PluginDependencyTracker dependencyTracker = new PluginDependencyTracker();
 
   @Inject
-  public DefaultPluginManager(PluginLoader loader, PluginCenter center, PluginInstaller installer, Restarter restarter) {
+  public DefaultPluginManager(PluginLoader loader, PluginCenter center, PluginInstaller installer, Restarter restarter, ScmEventBus eventBus) {
     this.loader = loader;
     this.center = center;
     this.installer = installer;
     this.restarter = restarter;
+    this.eventBus = eventBus;
 
     this.computeInstallationDependencies();
   }
@@ -172,8 +173,10 @@ public class DefaultPluginManager implements PluginManager {
         PendingPluginInstallation pending = installer.install(plugin);
         dependencyTracker.addInstalled(plugin.getDescriptor());
         pendingInstallations.add(pending);
+        eventBus.post(new PluginEvent(PluginEventType.INSTALLED, plugin));
       } catch (PluginInstallException ex) {
         cancelPending(pendingInstallations);
+        eventBus.post(new PluginEvent(PluginEventType.INSTALLATION_FAILED, plugin));
         throw ex;
       }
     }

scm-webapp/src/main/java/sonia/scm/plugin/PluginCenterLoader.java

@@ -27,10 +27,11 @@ package sonia.scm.plugin;
 import com.google.common.annotations.VisibleForTesting;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import sonia.scm.event.Event;
+import sonia.scm.event.ScmEventBus;
 import sonia.scm.net.ahc.AdvancedHttpClient;
 
 import javax.inject.Inject;
-import java.io.IOException;
 import java.util.Collections;
 import java.util.Set;
 
@@ -40,16 +41,18 @@ class PluginCenterLoader {
 
   private final AdvancedHttpClient client;
   private final PluginCenterDtoMapper mapper;
+  private final ScmEventBus eventBus;
 
   @Inject
-  public PluginCenterLoader(AdvancedHttpClient client) {
-    this(client, PluginCenterDtoMapper.INSTANCE);
+  public PluginCenterLoader(AdvancedHttpClient client, ScmEventBus eventBus) {
+    this(client, PluginCenterDtoMapper.INSTANCE, eventBus);
   }
 
   @VisibleForTesting
-  PluginCenterLoader(AdvancedHttpClient client, PluginCenterDtoMapper mapper) {
+  PluginCenterLoader(AdvancedHttpClient client, PluginCenterDtoMapper mapper, ScmEventBus eventBus) {
     this.client = client;
     this.mapper = mapper;
+    this.eventBus = eventBus;
   }
 
   Set<AvailablePlugin> load(String url) {
@@ -59,8 +62,12 @@ class PluginCenterLoader {
       return mapper.map(pluginCenterDto);
     } catch (Exception ex) {
       LOG.error("failed to load plugins from plugin center, returning empty list", ex);
+      eventBus.post(new PluginCenterNotAvailableEvent());
       return Collections.emptySet();
     }
   }
 
+  @Event
+  class PluginCenterNotAvailableEvent {}
+
 }

scm-webapp/src/main/java/sonia/scm/plugin/PluginEvent.java

@@ -0,0 +1,39 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020-present Cloudogu GmbH and Contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package sonia.scm.plugin;
+
+import lombok.Getter;
+import sonia.scm.event.Event;
+
+@Getter
+@Event
+public class PluginEvent {
+  private final PluginEventType eventType;
+  private final AvailablePlugin plugin;
+  public PluginEvent(PluginEventType eventType, AvailablePlugin plugin) {
+    this.eventType = eventType;
+    this.plugin = plugin;
+  }
+}

scm-webapp/src/main/java/sonia/scm/plugin/PluginEventType.java

@@ -0,0 +1,29 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020-present Cloudogu GmbH and Contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package sonia.scm.plugin;
+
+enum PluginEventType {
+  INSTALLED, INSTALLATION_FAILED
+}

scm-webapp/src/main/java/sonia/scm/plugin/PluginInstallationFailedEventSubscriber.java

@@ -0,0 +1,86 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020-present Cloudogu GmbH and Contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package sonia.scm.plugin;
+
+import com.cloudogu.scm.myevents.MyEvent;
+import com.github.legman.Subscribe;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import sonia.scm.EagerSingleton;
+import sonia.scm.event.ScmEventBus;
+import sonia.scm.xml.XmlInstantAdapter;
+
+import javax.inject.Inject;
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlRootElement;
+import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
+import java.time.Instant;
+
+@Extension(requires = "scm-landingpage-plugin")
+@EagerSingleton
+public class PluginInstallationFailedEventSubscriber {
+
+  private final ScmEventBus eventBus;
+
+  @Inject
+  public PluginInstallationFailedEventSubscriber(ScmEventBus eventBus) {
+    this.eventBus = eventBus;
+  }
+
+  @Subscribe
+  public void handleEvent(PluginEvent pluginEvent) {
+    if (pluginEvent.getEventType() == PluginEventType.INSTALLATION_FAILED) {
+      AvailablePlugin newPlugin = pluginEvent.getPlugin();
+
+      String permission = PluginPermissions.manage().asShiroString();
+      String pluginName = newPlugin.getDescriptor().getInformation().getDisplayName();
+
+      String pluginVersion = newPlugin.getDescriptor().getInformation().getVersion();
+
+      eventBus.post(new PluginInstallationFailedEvent(permission, pluginName, pluginVersion, Instant.now()));
+    }
+  }
+
+  @XmlRootElement
+  @XmlAccessorType(XmlAccessType.FIELD)
+  @Getter
+  @NoArgsConstructor
+  static class PluginInstallationFailedEvent extends MyEvent {
+    private String pluginName;
+    private String pluginVersion;
+    @XmlJavaTypeAdapter(XmlInstantAdapter.class)
+    private Instant date;
+
+    PluginInstallationFailedEvent(String permission, String pluginName, String pluginVersion, Instant date) {
+      super(PluginInstalledEventSubscriber.PluginInstalledEvent.class.getSimpleName(), permission);
+
+      this.pluginName = pluginName;
+      this.pluginVersion = pluginVersion;
+      this.date = date;
+    }
+  }
+
+}

scm-webapp/src/main/java/sonia/scm/plugin/PluginInstalledEventSubscriber.java

@@ -0,0 +1,98 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020-present Cloudogu GmbH and Contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package sonia.scm.plugin;
+
+import com.cloudogu.scm.myevents.MyEvent;
+import com.github.legman.Subscribe;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import sonia.scm.EagerSingleton;
+import sonia.scm.event.ScmEventBus;
+import sonia.scm.xml.XmlInstantAdapter;
+
+import javax.inject.Inject;
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlRootElement;
+import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
+import java.time.Instant;
+import java.util.Optional;
+
+@Extension(requires = "scm-landingpage-plugin")
+@EagerSingleton
+public class PluginInstalledEventSubscriber {
+
+  private final ScmEventBus eventBus;
+  private final PluginManager pluginManager;
+
+  @Inject
+  public PluginInstalledEventSubscriber(ScmEventBus eventBus, PluginManager pluginManager) {
+    this.eventBus = eventBus;
+    this.pluginManager = pluginManager;
+  }
+
+  @Subscribe
+  public void handleEvent(PluginEvent pluginEvent) {
+    if (pluginEvent.getEventType() == PluginEventType.INSTALLED) {
+      AvailablePlugin newPlugin = pluginEvent.getPlugin();
+      Optional<InstalledPlugin> installedPlugin = pluginManager.getInstalled(newPlugin.getDescriptor().getInformation().getDisplayName());
+
+      String permission = PluginPermissions.manage().asShiroString();
+
+      String pluginName = newPlugin.getDescriptor().getInformation().getName();
+
+      String previousPluginVersion = null;
+      if (installedPlugin.isPresent()) {
+        previousPluginVersion = installedPlugin.get().getDescriptor().getInformation().getVersion();
+      }
+
+      String newPluginVersion = newPlugin.getDescriptor().getInformation().getVersion();
+
+      eventBus.post(new PluginInstalledEvent(permission, pluginName, previousPluginVersion, newPluginVersion, Instant.now()));
+    }
+  }
+
+  @XmlRootElement
+  @XmlAccessorType(XmlAccessType.FIELD)
+  @Getter
+  @NoArgsConstructor
+  static class PluginInstalledEvent extends MyEvent {
+    private String pluginName;
+    private String previousPluginVersion;
+    private String newPluginVersion;
+    @XmlJavaTypeAdapter(XmlInstantAdapter.class)
+    private Instant date;
+
+    PluginInstalledEvent(String permission, String pluginName, String previousPluginVersion, String newPluginVersion, Instant date) {
+      super(PluginInstalledEventSubscriber.PluginInstalledEvent.class.getSimpleName(), permission);
+
+      this.pluginName = pluginName;
+      this.previousPluginVersion = previousPluginVersion;
+      this.newPluginVersion = newPluginVersion;
+      this.date = date;
+    }
+  }
+
+}

scm-webapp/src/main/java/sonia/scm/repository/RepositoryCreatedEventSubscriber.java

@@ -0,0 +1,88 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020-present Cloudogu GmbH and Contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package sonia.scm.repository;
+
+import com.cloudogu.scm.myevents.MyEvent;
+import com.github.legman.Subscribe;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import org.apache.shiro.SecurityUtils;
+import sonia.scm.EagerSingleton;
+import sonia.scm.HandlerEventType;
+import sonia.scm.event.ScmEventBus;
+import sonia.scm.plugin.Extension;
+import sonia.scm.user.User;
+import sonia.scm.xml.XmlInstantAdapter;
+
+import javax.inject.Inject;
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlRootElement;
+import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
+import java.time.Instant;
+
+@Extension(requires = "scm-landingpage-plugin")
+@EagerSingleton
+public class RepositoryCreatedEventSubscriber {
+
+  private final ScmEventBus eventBus;
+
+  @Inject
+  public RepositoryCreatedEventSubscriber(ScmEventBus eventBus) {
+    this.eventBus = eventBus;
+  }
+
+  @Subscribe
+  public void handleEvent(RepositoryEvent event) {
+    if (event.getEventType() == HandlerEventType.CREATE) {
+      Repository eventRepo = event.getItem();
+      String permission = RepositoryPermissions.read(event.getItem()).asShiroString();
+      String repository = eventRepo.getNamespace() + "/" + eventRepo.getName();
+      String creator = SecurityUtils.getSubject().getPrincipals().oneByType(User.class).getDisplayName();
+      Instant date = Instant.now();
+
+      eventBus.post(new RepositoryCreatedEvent(permission, repository, creator, date));
+    }
+  }
+
+  @XmlRootElement
+  @XmlAccessorType(XmlAccessType.FIELD)
+  @Getter
+  @NoArgsConstructor
+  static class RepositoryCreatedEvent extends MyEvent {
+    private String repository;
+    private String creator;
+    @XmlJavaTypeAdapter(XmlInstantAdapter.class)
+    private Instant date;
+
+    RepositoryCreatedEvent(String permission, String repository, String creator, Instant date) {
+      super(RepositoryCreatedEvent.class.getSimpleName(), permission);
+      this.repository = repository;
+      this.creator = creator;
+      this.date = date;
+    }
+  }
+
+}

scm-webapp/src/test/java/sonia/scm/plugin/DefaultPluginManagerTest.java

@@ -36,16 +36,19 @@ import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.junitpioneer.jupiter.TempDirectory;
 import org.mockito.ArgumentCaptor;
+import org.mockito.Captor;
 import org.mockito.InjectMocks;
 import org.mockito.Mock;
 import org.mockito.junit.jupiter.MockitoExtension;
 import sonia.scm.NotFoundException;
 import sonia.scm.ScmConstraintViolationException;
+import sonia.scm.event.ScmEventBus;
 import sonia.scm.lifecycle.Restarter;
 
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.util.Collections;
 import java.util.List;
 import java.util.Optional;
 
@@ -53,6 +56,7 @@ import static java.util.Arrays.asList;
 import static java.util.Collections.singleton;
 import static java.util.Collections.singletonList;
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.in;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.mockito.Mockito.any;
 import static org.mockito.Mockito.doNothing;
@@ -83,6 +87,12 @@ class DefaultPluginManagerTest {
   @Mock
   private Restarter restarter;
 
+  @Mock
+  private ScmEventBus eventBus;
+
+  @Captor
+  private ArgumentCaptor<PluginEvent> eventCaptor;
+
   @InjectMocks
   private DefaultPluginManager manager;
 
@@ -537,8 +547,36 @@ class DefaultPluginManagerTest {
 
       verify(installer, never()).install(oldScriptPlugin);
     }
+
+    @Test
+    void shouldFirePluginEventOnInstallation() {
+      AvailablePlugin review = createAvailable("scm-review-plugin");
+      when(center.getAvailable()).thenReturn(ImmutableSet.of(review));
+
+      manager.install("scm-review-plugin", false);
+
+      verify(eventBus).post(eventCaptor.capture());
+
+      assertThat(eventCaptor.getValue().getEventType()).isEqualTo(PluginEventType.INSTALLED);
+      assertThat(eventCaptor.getValue().getPlugin()).isEqualTo(review);
+    }
+
+    @Test
+    void shouldFirePluginEventOnFailedInstallation() {
+      AvailablePlugin review = createAvailable("scm-review-plugin");
+      when(center.getAvailable()).thenReturn(ImmutableSet.of(review));
+      doThrow(new PluginDownloadException(review, new IOException())).when(installer).install(review);
+
+      assertThrows(PluginDownloadException.class, () -> manager.install("scm-review-plugin", false));
+
+      verify(eventBus).post(eventCaptor.capture());
+      assertThat(eventCaptor.getValue().getEventType()).isEqualTo(PluginEventType.INSTALLATION_FAILED);
+      assertThat(eventCaptor.getValue().getPlugin()).isEqualTo(review);
+    }
+
   }
 
+
   @Nested
   class WithoutReadPermissions {
 

scm-webapp/src/test/java/sonia/scm/plugin/PluginCenterLoaderTest.java

@@ -24,12 +24,16 @@
     
 package sonia.scm.plugin;
 
+import com.sun.mail.iap.Argument;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.Answers;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Captor;
 import org.mockito.InjectMocks;
 import org.mockito.Mock;
 import org.mockito.junit.jupiter.MockitoExtension;
+import sonia.scm.event.ScmEventBus;
 import sonia.scm.net.ahc.AdvancedHttpClient;
 
 import java.io.IOException;
@@ -37,6 +41,10 @@ import java.util.Collections;
 import java.util.Set;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.doThrow;
+import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 @ExtendWith(MockitoExtension.class)
@@ -50,6 +58,9 @@ class PluginCenterLoaderTest {
   @Mock
   private PluginCenterDtoMapper mapper;
 
+  @Mock
+  private ScmEventBus eventBus;
+
   @InjectMocks
   private PluginCenterLoader loader;
 
@@ -71,4 +82,13 @@ class PluginCenterLoaderTest {
     Set<AvailablePlugin> fetch = loader.load(PLUGIN_URL);
     assertThat(fetch).isEmpty();
   }
+
+  @Test
+  void shouldThrowExceptionAndFirePluginCenterNotAvailableEvent() throws IOException {
+    when(client.get(PLUGIN_URL).request()).thenThrow(new IOException("failed to fetch"));
+
+    loader.load(PLUGIN_URL);
+
+    verify(eventBus).post(any(PluginCenterLoader.PluginCenterNotAvailableEvent.class));
+  }
 }

scm-webapp/src/test/java/sonia/scm/plugin/PluginInstallationFailedEventSubscriberTest.java

@@ -0,0 +1,98 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020-present Cloudogu GmbH and Contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package sonia.scm.plugin;
+
+import org.apache.shiro.subject.Subject;
+import org.apache.shiro.util.ThreadContext;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Captor;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import sonia.scm.event.ScmEventBus;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+@ExtendWith(MockitoExtension.class)
+class PluginInstallationFailedEventSubscriberTest {
+
+  private AvailablePlugin newPlugin = PluginTestHelper.createAvailable("scm-hitchhiker-plugin");
+
+  @Mock
+  private Subject subject;
+
+  @Mock
+  private ScmEventBus eventBus;
+
+  @Mock
+  private PluginEvent event;
+
+  @Captor
+  private ArgumentCaptor<PluginInstallationFailedEventSubscriber.PluginInstallationFailedEvent> eventCaptor;
+
+  @InjectMocks
+  private PluginInstallationFailedEventSubscriber subscriber;
+
+  @BeforeEach
+  void bindSubject() {
+    ThreadContext.bind(subject);
+  }
+
+  @AfterEach
+  void tearDownSubject() {
+    ThreadContext.unbindSubject();
+  }
+
+  @Test
+  void shouldFireMyEvent() {
+    when(event.getEventType()).thenReturn(PluginEventType.INSTALLATION_FAILED);
+    when(event.getPlugin()).thenReturn(newPlugin);
+
+    subscriber.handleEvent(event);
+
+    verify(eventBus).post(eventCaptor.capture());
+
+    PluginInstallationFailedEventSubscriber.PluginInstallationFailedEvent pluginInstalledEvent = eventCaptor.getValue();
+    assertThat(pluginInstalledEvent.getPermission()).isEqualTo("plugin:manage");
+    assertThat(pluginInstalledEvent.getPluginVersion()).isEqualTo("1.0");
+    assertThat(pluginInstalledEvent.getPluginName()).isEqualTo(newPlugin.getDescriptor().getInformation().getDisplayName());
+  }
+
+  @Test
+  void shouldNotFireMyEventWhenNotCreatedEvent() {
+    when(event.getEventType()).thenReturn(PluginEventType.INSTALLED);
+    subscriber.handleEvent(event);
+
+    verify(eventBus, never()).post(eventCaptor.capture());
+  }
+
+}

scm-webapp/src/test/java/sonia/scm/plugin/PluginInstalledEventSubscriberTest.java

@@ -0,0 +1,106 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020-present Cloudogu GmbH and Contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package sonia.scm.plugin;
+
+import org.apache.shiro.subject.Subject;
+import org.apache.shiro.util.ThreadContext;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Captor;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import sonia.scm.event.ScmEventBus;
+
+import java.util.Optional;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+@ExtendWith(MockitoExtension.class)
+class PluginInstalledEventSubscriberTest {
+
+  private InstalledPlugin oldPlugin = PluginTestHelper.createInstalled("scm-hitchhiker-plugin");
+  private AvailablePlugin newPlugin = PluginTestHelper.createAvailable("scm-hitchhiker-plugin", "1.1");
+
+  @Mock
+  private Subject subject;
+
+  @Mock
+  private ScmEventBus eventBus;
+
+  @Mock
+  private PluginEvent event;
+
+  @Mock
+  private PluginManager pluginManager;
+
+  @Captor
+  private ArgumentCaptor<PluginInstalledEventSubscriber.PluginInstalledEvent> eventCaptor;
+
+  @InjectMocks
+  private PluginInstalledEventSubscriber subscriber;
+
+  @BeforeEach
+  void bindSubject() {
+    ThreadContext.bind(subject);
+  }
+
+  @AfterEach
+  void tearDownSubject() {
+    ThreadContext.unbindSubject();
+  }
+
+  @Test
+  void shouldFireMyEvent() {
+    when(event.getEventType()).thenReturn(PluginEventType.INSTALLED);
+    when(event.getPlugin()).thenReturn(newPlugin);
+    when(pluginManager.getInstalled("scm-hitchhiker-plugin")).thenReturn(Optional.of(oldPlugin));
+
+    subscriber.handleEvent(event);
+
+    verify(eventBus).post(eventCaptor.capture());
+
+    PluginInstalledEventSubscriber.PluginInstalledEvent pluginInstalledEvent = eventCaptor.getValue();
+    assertThat(pluginInstalledEvent.getPermission()).isEqualTo("plugin:manage");
+    assertThat(pluginInstalledEvent.getPreviousPluginVersion()).isEqualTo("1.0");
+    assertThat(pluginInstalledEvent.getNewPluginVersion()).isEqualTo("1.1");
+    assertThat(pluginInstalledEvent.getPluginName()).isEqualTo(newPlugin.getDescriptor().getInformation().getDisplayName());
+  }
+
+  @Test
+  void shouldNotFireMyEventWhenNotCreatedEvent() {
+    when(event.getEventType()).thenReturn(PluginEventType.INSTALLATION_FAILED);
+    subscriber.handleEvent(event);
+
+    verify(eventBus, never()).post(eventCaptor.capture());
+  }
+
+}

scm-webapp/src/test/java/sonia/scm/repository/RepositoryCreatedEventSubscriberTest.java

@@ -0,0 +1,109 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020-present Cloudogu GmbH and Contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package sonia.scm.repository;
+
+import org.apache.shiro.subject.PrincipalCollection;
+import org.apache.shiro.subject.Subject;
+import org.apache.shiro.util.ThreadContext;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Captor;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import sonia.scm.HandlerEventType;
+import sonia.scm.event.ScmEventBus;
+import sonia.scm.user.User;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+@ExtendWith(MockitoExtension.class)
+class RepositoryCreatedEventSubscriberTest {
+
+  private Repository REPOSITORY = new Repository("1", "git", "nicest", "repo");
+
+  @Mock
+  private Subject subject;
+
+  @Mock
+  private ScmEventBus eventBus;
+
+  @Mock
+  private RepositoryEvent event;
+
+  @Mock
+  private PrincipalCollection principalCollection;
+
+  @Captor
+  private ArgumentCaptor<RepositoryCreatedEventSubscriber.RepositoryCreatedEvent> eventCaptor;
+
+  @InjectMocks
+  private RepositoryCreatedEventSubscriber subscriber;
+
+  @BeforeEach
+  void bindSubject() {
+    ThreadContext.bind(subject);
+  }
+
+  @AfterEach
+  void tearDownSubject() {
+    ThreadContext.unbindSubject();
+  }
+
+  @Test
+  void shouldFireMyEvent() {
+    User trillian = new User("trillian", "Trillian", "tricia@hitchhiker.org");
+
+    when(event.getEventType()).thenReturn(HandlerEventType.CREATE);
+    when(event.getItem()).thenReturn(REPOSITORY);
+    when(subject.getPrincipals()).thenReturn(principalCollection);
+    when(principalCollection.oneByType(User.class)).thenReturn(trillian);
+
+    subscriber.handleEvent(event);
+
+    verify(eventBus).post(eventCaptor.capture());
+
+    RepositoryCreatedEventSubscriber.RepositoryCreatedEvent repositoryCreatedEvent = eventCaptor.getValue();
+    assertThat(repositoryCreatedEvent.getPermission()).isEqualTo("repository:read:1");
+    assertThat(repositoryCreatedEvent.getRepository()).isEqualTo(REPOSITORY.getNamespace() + "/" + REPOSITORY.getName());
+    assertThat(repositoryCreatedEvent.getType()).isEqualTo(RepositoryCreatedEventSubscriber.RepositoryCreatedEvent.class.getSimpleName());
+    assertThat(repositoryCreatedEvent.getCreator()).isEqualTo("Trillian");
+  }
+
+  @Test
+  void shouldNotFireMyEventWhenNotCreatedEvent() {
+    when(event.getEventType()).thenReturn(HandlerEventType.BEFORE_CREATE);
+    subscriber.handleEvent(event);
+
+    verify(eventBus, never()).post(eventCaptor.capture());
+  }
+
+}

yarn.lock

@@ -2047,17 +2047,16 @@
   dependencies:
     "@types/node" ">= 8"
 
-"@pmmmwh/react-refresh-webpack-plugin@^0.1.3":
-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/@pmmmwh/react-refresh-webpack-plugin/-/react-refresh-webpack-plugin-0.1.3.tgz#bb6815315028087e6af4f96d063376880caf9c82"
-  integrity sha512-FJ8WzpGrao8Gz8KNAeU9dcTYr1RjbAGnXJMKKXTp4oAw494SqQK4HyGT8HMmIQt0ayukuP+A71w1oV8/5xSAWQ==
+"@pmmmwh/react-refresh-webpack-plugin@^0.2.0":
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/@pmmmwh/react-refresh-webpack-plugin/-/react-refresh-webpack-plugin-0.2.0.tgz#e2a684d430f74ad6465680d9a5869f52f307ec1e"
+  integrity sha512-rjdNzcWroULJeD/Y0+eETy9LhM7c5tbPF+wqT5G680rwDkh3iothIPEqGAuEE2WJlXEaAq293aO6ySzsIU518Q==
   dependencies:
     ansi-html "^0.0.7"
     error-stack-parser "^2.0.4"
     html-entities "^1.2.1"
     lodash.debounce "^4.0.8"
     react-dev-utils "^9.1.0"
-    sockjs-client "^1.4.0"
 
 "@reach/router@^1.2.1":
   version "1.2.1"
@@ -13389,7 +13388,7 @@ snapdragon@^0.8.1:
     source-map-resolve "^0.5.0"
     use "^3.1.0"
 
-sockjs-client@1.4.0, sockjs-client@^1.4.0:
+sockjs-client@1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/sockjs-client/-/sockjs-client-1.4.0.tgz#c9f2568e19c8fd8173b4997ea3420e0bb306c7d5"
   integrity sha512-5zaLyO8/nri5cua0VtOrFXBPK1jbL4+1cebT/mmKA1E1ZXOvJrII75bPu0l0k843G/+iAbhEqzyKr0w/eCCj7g==