/*
 * Copyright 2016-2018 shardingsphere.io.
 * <p>
 * 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.
 * </p>
 */

package io.shardingsphere.core.parsing.integrate.asserts.item;

import io.shardingsphere.core.parsing.integrate.asserts.SQLStatementAssertMessage;
import io.shardingsphere.core.parsing.integrate.jaxb.item.ExpectedAggregationSelectItem;
import io.shardingsphere.core.parsing.parser.context.selectitem.SelectItem;

import java.util.List;
import java.util.Set;

/**
 * Item assert.
 *
 * @author zhangliang
 */
public final class ItemAssert {
    
    private final AggregationSelectItemAssert aggregationSelectItemAssert;
    
    public ItemAssert(final SQLStatementAssertMessage assertMessage) {
        aggregationSelectItemAssert = new AggregationSelectItemAssert(assertMessage);
    }
    
    /**
     * Assert items.
     * 
     * @param actual actual items
     * @param expected expected items
     */
    public void assertItems(final Set<SelectItem> actual, final List<ExpectedAggregationSelectItem> expected) {
        // TODO assert SelectItems total size
        // TODO assert StarSelectItem
        // TODO assert CommonSelectItem
        aggregationSelectItemAssert.assertAggregationSelectItems(actual, expected);
    }
}

@@ -822,35 +822,24 @@
 tem.Expected
-Aggregation
 SelectItem;%0A
@@ -836,16 +836,17 @@
 lectItem
+s
 ;%0Aimport
@@ -920,31 +920,8 @@
 m;%0A%0A
-import java.util.List;%0A
 impo
@@ -984,16 +984,35 @@
 ngliang%0A
+ * @author panjuan%0A
  */%0Apubl
@@ -1120,24 +1120,98 @@
 ssert;%0A    %0A
+    private final DistinctSelectItemAssert distinctSelectItemAssert;%0A    %0A
     public I
@@ -1355,16 +1355,96 @@
 ssage);%0A
+        distinctSelectItemAssert = new DistinctSelectItemAssert(assertMessage);%0A
     %7D%0A  
@@ -1631,21 +1631,16 @@
 nal 
-List%3C
 Expected
 Aggr
@@ -1635,27 +1635,16 @@
 Expected
-Aggregation
 SelectIt
@@ -1645,17 +1645,17 @@
 lectItem
-%3E
+s
  expecte
@@ -1775,32 +1775,32 @@
 ommonSelectItem%0A
-
         aggregat
@@ -1864,16 +1864,146 @@
 expected
+.getAggregationSelectItems());%0A        distinctSelectItemAssert.assertDistinctSelectItems(actual, expected.getDistinctSelectItem()
 );%0A    %7D

add distinctSelectItemAssert