Adding negative test cases for GroupProviderServiceImpl

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/service/GroupManagementProviderServiceImpl.java

@@ -445,11 +445,6 @@ public class GroupManagementProviderServiceImpl implements GroupManagementProvid
     }
 
     private int getGroupCount(GroupPaginationRequest request) throws GroupManagementException {
-        if (request == null) {
-            String msg = "Received empty request for getGroupCount";
-            log.error(msg);
-            throw new GroupManagementException(msg);
-        }
         if (log.isDebugEnabled()) {
             log.debug("Get groups count, pagination request " + request.toString());
         }
@@ -522,7 +517,14 @@ public class GroupManagementProviderServiceImpl implements GroupManagementProvid
             userStoreManager =
                     DeviceManagementDataHolder.getInstance().getRealmService().getTenantUserRealm(
                             tenantId).getUserStoreManager();
-            List<String> currentUserRoles = getRoles(groupId);
+        } catch (UserStoreException e) {
+            String msg = "User store error in updating sharing roles.";
+            log.error(msg, e);
+            throw new GroupManagementException(msg, e);
+        }
+        List<String> currentUserRoles = getRoles(groupId);
+        try {
+
             GroupManagementDAOFactory.beginTransaction();
             if (newRoles != null) {
                 for (String role : newRoles) {
@@ -546,10 +548,6 @@ public class GroupManagementProviderServiceImpl implements GroupManagementProvid
             GroupManagementDAOFactory.rollbackTransaction();
             log.error(e);
             throw new GroupManagementException(e);
-        } catch (UserStoreException e) {
-            String msg = "User store error in updating sharing roles.";
-            log.error(msg, e);
-            throw new GroupManagementException(msg, e);
         } catch (TransactionManagementException e) {
             log.error(e);
             throw new GroupManagementException(e);

components/device-mgt/org.wso2.carbon.device.mgt.core/src/test/java/org/wso2/carbon/device/mgt/core/service/GroupManagementProviderServiceNegativeTest.java

@@ -0,0 +1,136 @@
+package org.wso2.carbon.device.mgt.core.service;
+
+import org.testng.annotations.BeforeClass;
+import org.testng.annotations.Test;
+import org.wso2.carbon.device.mgt.common.DeviceIdentifier;
+import org.wso2.carbon.device.mgt.common.DeviceNotFoundException;
+import org.wso2.carbon.device.mgt.common.group.mgt.GroupManagementException;
+import org.wso2.carbon.device.mgt.common.group.mgt.RoleDoesNotExistException;
+import org.wso2.carbon.device.mgt.core.TestUtils;
+import org.wso2.carbon.device.mgt.core.common.BaseDeviceManagementTest;
+import org.wso2.carbon.device.mgt.core.dao.GroupManagementDAOFactory;
+
+import javax.sql.DataSource;
+import java.util.ArrayList;
+import java.util.List;
+
+public class GroupManagementProviderServiceNegativeTest extends BaseDeviceManagementTest {
+    private GroupManagementProviderService groupManagementProviderService;
+
+    @BeforeClass
+    @Override
+    public void init() throws Exception {
+        DataSource datasource = this.getDataSource(this.
+                readDataSourceConfig("src/test/resources/config/datasource/no-table-data-source-config.xml"));
+        GroupManagementDAOFactory.init(datasource);
+        groupManagementProviderService = new GroupManagementProviderServiceImpl();
+    }
+
+    @Test(description = "This method tests the addDevices method under negative scenarios",
+            expectedExceptions = {GroupManagementException.class},
+            expectedExceptionsMessageRegExp = "Error occurred while adding device to group.*")
+    public void testAddDevicesScenario1() throws GroupManagementException, DeviceNotFoundException {
+        List<DeviceIdentifier> list = TestUtils.getDeviceIdentifiersList();
+        groupManagementProviderService.addDevices(1, list);
+    }
+
+    @Test(description = "This method tests the addDevices method under negative circumstances", expectedExceptions =
+            {GroupManagementException.class}, expectedExceptionsMessageRegExp = "Error occurred in addDevices for.*")
+    public void testAddDevicesScenario2() throws GroupManagementException, DeviceNotFoundException {
+        DeviceIdentifier deviceIdentifier = new DeviceIdentifier("test", "test");
+        List<DeviceIdentifier> list = new ArrayList<>();
+        list.add(deviceIdentifier);
+        groupManagementProviderService.addDevices(1, list);
+    }
+
+    @Test(description = "This method tests the getGroup method of the GroupManagementProviderService under "
+            + "negative conditions", expectedExceptions = {GroupManagementException.class},
+            expectedExceptionsMessageRegExp = "Error occurred while obtaining group.*")
+    public void testGetGroup() throws GroupManagementException {
+        groupManagementProviderService.getGroup(1);
+    }
+
+    @Test(description = "This method tests the getGroup method of the GroupManagementProviderService under "
+            + "negative conditions", expectedExceptions = {GroupManagementException.class},
+            expectedExceptionsMessageRegExp = "Error occurred while obtaining group with name.*")
+    public void testGetGroupWithName() throws GroupManagementException {
+        groupManagementProviderService.getGroup("1");
+    }
+
+    @Test(description = "This method tests the getGroups method of the GroupManagementProviderService under negative "
+            + "conditions", expectedExceptions = {GroupManagementException.class}, expectedExceptionsMessageRegExp =
+            "Error occurred while retrieving all groups in tenant.*")
+    public void testGetGroups() throws GroupManagementException {
+        groupManagementProviderService.getGroups();
+    }
+
+    @Test(description = "This method tests the getGroups method of the GroupManagementProviderService under negative "
+            + "conditions", expectedExceptions = {GroupManagementException.class}, expectedExceptionsMessageRegExp =
+            "Error occurred while retrieving all groups accessible to user.*")
+    public void testGetGroupsWithUserName() throws GroupManagementException {
+        groupManagementProviderService.getGroups("test");
+    }
+
+    @Test(description = "This method tests the getGroupCount method under negative circumstances", expectedExceptions
+            = {GroupManagementException.class}, expectedExceptionsMessageRegExp = "Error occurred while retrieving all "
+            + "groups in tenant")
+    public void testGetGroupCount() throws GroupManagementException {
+        groupManagementProviderService.getGroupCount();
+    }
+
+    @Test(description = "This method tests the getGroupCount method with username under negative circumstances",
+            expectedExceptions = {GroupManagementException.class}, expectedExceptionsMessageRegExp = "Error occurred "
+            + "while retrieving group count of user.*")
+    public void testGetGroupCountWithUserName() throws GroupManagementException {
+        groupManagementProviderService.getGroupCount("test");
+
+    }
+
+    @Test(description = "This method tests the getGroups method with pagination request under negative "
+            + "circumstances", expectedExceptions = {GroupManagementException.class},
+            expectedExceptionsMessageRegExp = "Error occurred while retrieving all groups in tenant")
+    public void testGetGroupsWithPaginationRequest() throws GroupManagementException {
+        groupManagementProviderService.getGroups(TestUtils.createPaginationRequest());
+    }
+
+    @Test(description = "This method tests the getGroups method with pagination request and username under negative "
+            + "circumstances", expectedExceptions = {GroupManagementException.class},
+            expectedExceptionsMessageRegExp = "Error occurred while retrieving all groups accessible to user.")
+    public void testGetGroupsWithPaginationRequestAndUserName() throws GroupManagementException {
+        groupManagementProviderService.getGroups("test", TestUtils.createPaginationRequest());
+    }
+
+    @Test(description = "This method tests the get roles method under negative circumstances",
+            expectedExceptions = {GroupManagementException.class}, expectedExceptionsMessageRegExp = "Error occurred "
+            + "while retrieving all groups in tenant.*")
+    public void testManageGroupSharing() throws GroupManagementException, RoleDoesNotExistException {
+        groupManagementProviderService.getRoles(1);
+    }
+
+    @Test(description = "This method tests the getDeviceCount under negative circumstances.", expectedExceptions =
+            {GroupManagementException.class}, expectedExceptionsMessageRegExp = "Error occurred while retrieving all "
+            + "groups in tenant.*")
+    public void testGetDeviceCount() throws GroupManagementException {
+        groupManagementProviderService.getDeviceCount(1);
+    }
+
+    @Test(description = "This method tests the getDevices method under negative circumstances", expectedExceptions =
+            {GroupManagementException.class})
+    public void testGetDevicesWithPagination() throws GroupManagementException {
+        groupManagementProviderService.getDevices(1, 0, 10);
+    }
+
+    @Test(description = "This method tests the getGroupCount with username when the user name is given as null",
+            expectedExceptions = {GroupManagementException.class}, expectedExceptionsMessageRegExp = "Received empty "
+            + "user name for getGroupCount.*")
+    public void testGetGroupCountWithUserName2() throws GroupManagementException {
+        groupManagementProviderService.getGroupCount(null);
+    }
+
+    @Test(description = "This method tests getGroups method under negative circumstances",
+            expectedExceptionsMessageRegExp = "Received empty device identifier for getGroups",
+            expectedExceptions = {GroupManagementException.class})
+    public void testGetGroupsWithDeviceIdentifier() throws GroupManagementException {
+        groupManagementProviderService.getGroups((DeviceIdentifier) null);
+    }
+}

components/device-mgt/org.wso2.carbon.device.mgt.core/src/test/resources/testng.xml

@@ -54,6 +54,7 @@
             <class name="org.wso2.carbon.device.mgt.core.search.ProcessorImplTest"/>
             <class name="org.wso2.carbon.device.mgt.core.search.SearchMgtUtilTest"/>
             <class name="org.wso2.carbon.device.mgt.core.cache.DeviceCacheManagerImplTest"/>
+            <class name="org.wso2.carbon.device.mgt.core.service.GroupManagementProviderServiceNegativeTest"/>
         </classes>
     </test>
 </suite>