// Copyright (C) 2014 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.google.gerrit.acceptance.rest.config;

import static com.google.common.truth.Truth.assertThat;
import static com.google.gerrit.server.group.SystemGroupBackend.REGISTERED_USERS;

import com.google.gerrit.acceptance.AbstractDaemonTest;
import com.google.gerrit.acceptance.RestResponse;
import com.google.gerrit.common.data.GlobalCapability;
import com.google.gerrit.server.config.ListCaches.CacheInfo;
import org.junit.Test;

public class FlushCacheIT extends AbstractDaemonTest {

  @Test
  public void flushCache() throws Exception {
    RestResponse r = adminRestSession.get("/config/server/caches/groups");
    CacheInfo result = newGson().fromJson(r.getReader(), CacheInfo.class);
    assertThat(result.entries.mem).isGreaterThan((long) 0);

    r = adminRestSession.post("/config/server/caches/groups/flush");
    r.assertOK();
    r.consume();

    r = adminRestSession.get("/config/server/caches/groups");
    result = newGson().fromJson(r.getReader(), CacheInfo.class);
    assertThat(result.entries.mem).isNull();
  }

  @Test
  public void flushCache_Forbidden() throws Exception {
    userRestSession.post("/config/server/caches/accounts/flush").assertForbidden();
  }

  @Test
  public void flushCache_NotFound() throws Exception {
    adminRestSession.post("/config/server/caches/nonExisting/flush").assertNotFound();
  }

  @Test
  public void flushCacheWithGerritPrefix() throws Exception {
    adminRestSession.post("/config/server/caches/gerrit-accounts/flush").assertOK();
  }

  @Test
  public void flushWebSessionsCache() throws Exception {
    adminRestSession.post("/config/server/caches/web_sessions/flush").assertOK();
  }

  @Test
  public void flushWebSessionsCache_Forbidden() throws Exception {
    allowGlobalCapabilities(
        REGISTERED_USERS, GlobalCapability.VIEW_CACHES, GlobalCapability.FLUSH_CACHES);
    try {
      RestResponse r = userRestSession.post("/config/server/caches/accounts/flush");
      r.assertOK();
      r.consume();

      userRestSession.post("/config/server/caches/web_sessions/flush").assertForbidden();
    } finally {
      removeGlobalCapabilities(
          REGISTERED_USERS, GlobalCapability.VIEW_CACHES, GlobalCapability.FLUSH_CACHES);
    }
  }
}

@@ -709,16 +709,79 @@
 rtThat;%0A
+import static com.google.common.truth.Truth.assertWithMessage;%0A
 import s
@@ -1016,16 +1016,71 @@
 bility;%0A
+import com.google.gerrit.reviewdb.client.AccountGroup;%0A
 import c
@@ -1262,24 +1262,249 @@
 Exception %7B%0A
+    AccountGroup group = groupCache.get(new AccountGroup.NameKey(%22Administrators%22));%0A    assertWithMessage(%22Precondition: The group 'Administrators' was loaded by the group cache%22)%0A        .that(group)%0A        .isNotNull();%0A%0A
     RestResp
@@ -1554,32 +1554,39 @@
 er/caches/groups
+_byname
 %22);%0A    CacheInf
@@ -1768,16 +1768,23 @@
 s/groups
+_byname
 /flush%22)
@@ -1879,16 +1879,23 @@
 s/groups
+_byname
 %22);%0A    

Make a test depending on the group cache more stable