Support to retrieve an account via REST

Change-Id: I498c9b236070621654577165d2460cd543af6fbc
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>

Documentation/rest-api-accounts.txt

@@ -8,6 +8,33 @@ link:rest-api.html[REST API].
 Endpoints
 ---------
 
+[[get-account]]
+Get Account
+~~~~~~~~~~~
+[verse]
+'GET /accounts/link:#account-id[\{account-id\}]'
+
+Returns an account as an link:#account-info[AccountInfo] entity.
+
+.Request
+----
+  GET /accounts/self HTTP/1.0
+----
+
+.Response
+----
+  HTTP/1.1 200 OK
+  Content-Disposition: attachment
+  Content-Type: application/json;charset=UTF-8
+
+  )]}'
+  {
+    "_account_id": 1000096,
+    "name": "John Doe",
+    "email": "john.doe@example.com"
+  }
+----
+
 [[list-account-capabilities]]
 List Account Capabilities
 ~~~~~~~~~~~~~~~~~~~~~~~~~

gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/rest/account/AccountAssert.java

@@ -0,0 +1,29 @@
+// Copyright (C) 2013 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.account;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import com.google.gerrit.acceptance.TestAccount;
+
+public class AccountAssert {
+
+  public static void assertAccountInfo(TestAccount a, AccountInfo ai) {
+    assertTrue(a.id.get() == ai._account_id);
+    assertEquals(a.fullName, ai.name);
+    assertEquals(a.email, ai.email);
+  }
+}

gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/rest/account/AccountInfo.java

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.gerrit.acceptance.rest.group;
+package com.google.gerrit.acceptance.rest.account;
 
 public class AccountInfo {
   public Integer _account_id;

gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/rest/account/GetAccountIT.java

@@ -0,0 +1,88 @@
+// Copyright (C) 2013 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.account;
+
+import static com.google.gerrit.acceptance.rest.account.AccountAssert.assertAccountInfo;
+import static org.junit.Assert.assertEquals;
+
+import com.google.gerrit.acceptance.AbstractDaemonTest;
+import com.google.gerrit.acceptance.AccountCreator;
+import com.google.gerrit.acceptance.RestResponse;
+import com.google.gerrit.acceptance.RestSession;
+import com.google.gerrit.acceptance.TestAccount;
+import com.google.gerrit.extensions.restapi.Url;
+import com.google.gson.Gson;
+import com.google.gson.reflect.TypeToken;
+import com.google.inject.Inject;
+
+import org.apache.http.HttpStatus;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.IOException;
+
+public class GetAccountIT extends AbstractDaemonTest {
+
+  @Inject
+  private AccountCreator accounts;
+
+  private TestAccount admin;
+  private RestSession session;
+
+  @Before
+  public void setUp() throws Exception {
+    admin = accounts.create("admin", "admin@example.com", "Administrator",
+            "Administrators");
+    session = new RestSession(admin);
+  }
+
+  @Test
+  public void getNonExistingAccount_NotFound() throws IOException {
+    assertEquals(HttpStatus.SC_NOT_FOUND, session.get("/accounts/non-existing")
+        .getStatusCode());
+  }
+
+  @Test
+  public void getAccount() throws IOException {
+    // by formatted string
+    testGetAccount("/accounts/"
+        + Url.encode(admin.fullName + " <" + admin.email + ">"), admin);
+
+    // by email
+    testGetAccount("/accounts/" + admin.email, admin);
+
+    // by full name
+    testGetAccount("/accounts/" + admin.fullName, admin);
+
+    // by account ID
+    testGetAccount("/accounts/" + admin.id.get(), admin);
+
+    // by user name
+    testGetAccount("/accounts/" + admin.username, admin);
+
+    // by 'self'
+    testGetAccount("/accounts/self", admin);
+  }
+
+  private void testGetAccount(String url, TestAccount expectedAccount)
+      throws IOException {
+    RestResponse r = session.get(url);
+    assertEquals(HttpStatus.SC_OK, r.getStatusCode());
+    AccountInfo account =
+        (new Gson()).fromJson(r.getReader(),
+            new TypeToken<AccountInfo>() {}.getType());
+    assertAccountInfo(expectedAccount, account);
+  }
+}

gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/rest/group/AddRemoveGroupMembersIT.java

@@ -14,6 +14,7 @@
 
 package com.google.gerrit.acceptance.rest.group;
 
+import static com.google.gerrit.acceptance.rest.account.AccountAssert.assertAccountInfo;
 import static com.google.gerrit.acceptance.rest.group.GroupAssert.assertGroupInfo;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
@@ -28,6 +29,7 @@ import com.google.gerrit.acceptance.AccountCreator;
 import com.google.gerrit.acceptance.RestResponse;
 import com.google.gerrit.acceptance.RestSession;
 import com.google.gerrit.acceptance.TestAccount;
+import com.google.gerrit.acceptance.rest.account.AccountInfo;
 import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.client.AccountGroup;
 import com.google.gerrit.reviewdb.client.AccountGroupIncludeByUuid;
@@ -188,12 +190,6 @@ public class AddRemoveGroupMembersIT extends AbstractDaemonTest {
     session.put("/groups/" + name, in).consume();
   }
 
-  private void assertAccountInfo(TestAccount a, AccountInfo ai) {
-    assertTrue(a.id.get() == ai._account_id);
-    assertEquals(a.fullName, ai.name);
-    assertEquals(a.email, ai.email);
-  }
-
   private void assertMembers(String group, TestAccount... members)
       throws OrmException {
     AccountGroup g = groupCache.get(new AccountGroup.NameKey(group));

gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/rest/group/ListGroupMembersIT.java

@@ -24,6 +24,7 @@ import com.google.gerrit.acceptance.AccountCreator;
 import com.google.gerrit.acceptance.RestResponse;
 import com.google.gerrit.acceptance.RestSession;
 import com.google.gerrit.acceptance.TestAccount;
+import com.google.gerrit.acceptance.rest.account.AccountInfo;
 import com.google.gson.Gson;
 import com.google.gson.reflect.TypeToken;
 import com.google.inject.Inject;

gerrit-server/src/main/java/com/google/gerrit/server/account/GetAccount.java

@@ -0,0 +1,24 @@
+// Copyright (C) 2013 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.server.account;
+
+import com.google.gerrit.extensions.restapi.RestReadView;
+
+public class GetAccount implements RestReadView<AccountResource> {
+  @Override
+  public AccountInfo apply(AccountResource rsrc) {
+    return AccountInfo.parse(rsrc.getUser().getAccount(), true);
+  }
+}

gerrit-server/src/main/java/com/google/gerrit/server/account/Module.java

@@ -29,6 +29,7 @@ public class Module extends RestApiModule {
     DynamicMap.mapOf(binder(), ACCOUNT_KIND);
     DynamicMap.mapOf(binder(), CAPABILITY_KIND);
 
+    get(ACCOUNT_KIND).to(GetAccount.class);
     get(ACCOUNT_KIND, "avatar").to(GetAvatar.class);
     child(ACCOUNT_KIND, "capabilities").to(Capabilities.class);
     get(ACCOUNT_KIND, "groups").to(GetGroups.class);