fix java.util.ConcurrentModificationException bug.

Author: xlorne

src/main/java/com/codingapi/simplemybatis/utils/MapCamelUtils.java

@@ -1,5 +1,6 @@
 package com.codingapi.simplemybatis.utils;
 
+import java.util.HashSet;
 import java.util.Map;
 import java.util.Set;
 
@@ -11,7 +12,7 @@
 public class MapCamelUtils {
 
     public static void camelMap(Map<String, Object> item) {
-        Set<String> keys = item.keySet();
+        Set<String> keys = new HashSet<>(item.keySet());
         for (String key : keys) {
             String newKey = StringCharacterUtils.underlineToCamel(key);
             if (!newKey.equals(key)) {

src/test/java/com/codingapi/simplemybatis/entity/DemoView.java

@@ -0,0 +1,33 @@
+package com.codingapi.simplemybatis.entity;
+
+public class DemoView {
+
+    private String content;
+    private String title;
+    private String createTime;
+
+
+    public String getCreateTime() {
+        return createTime;
+    }
+
+    public void setCreateTime(String createTime) {
+        this.createTime = createTime;
+    }
+
+    public String getContent() {
+        return content;
+    }
+
+    public void setContent(String content) {
+        this.content = content;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+}

src/test/java/com/codingapi/simplemybatis/query/QueryTest.java

@@ -0,0 +1,63 @@
+package com.codingapi.simplemybatis.query;
+
+import com.codingapi.simplemybatis.entity.Demo;
+import com.codingapi.simplemybatis.parser.SqlParser;
+import com.codingapi.simplemybatis.parser.TableParser;
+import org.junit.jupiter.api.Test;
+
+import java.lang.reflect.InvocationTargetException;
+
+class QueryTest {
+
+
+    private Demo createDemo(){
+        Demo demo = new Demo();
+        demo.setId(1L);
+        demo.setName("test");
+        demo.setFlag(false);
+        demo.setTest("123");
+        return demo;
+    }
+
+    private SqlParser createSqlParser() throws InvocationTargetException, IllegalAccessException {
+        Demo demo = createDemo();
+        TableParser tableParser = new TableParser(demo.getClass());
+        tableParser.parser(demo);
+        return new SqlParser(tableParser.getTableInfo());
+    }
+
+
+    @Test
+    void query() throws InvocationTargetException, IllegalAccessException {
+        SqlParser sqlParser = createSqlParser();
+        String sql = sqlParser.createQuery(QueryBuilder.Build()
+                .where()
+                .equal("name","hello")
+                .and()
+                .date("create_time","2020-01-12")
+                .or()
+                .in("id",1,2,3,4,5)
+                .orderBy("name desc")
+                .builder());
+        System.out.println(sql);
+    }
+
+
+    @Test
+    void queryView() throws InvocationTargetException, IllegalAccessException {
+        Query query = QueryBuilder.Build()
+                .select("select * from t_demo d join t_test t on d.id = t.demo_id ")
+                .where()
+                .equal("d.name","hello")
+                .and()
+                .date("d.create_time","2020-01-12")
+                .or()
+                .in("d.id",1,2,3,4,5)
+                .orderBy("d.name desc")
+                .builder();
+        QuerySqlBuilder querySqlBuilder = new QuerySqlBuilder(query.getSelect(),null,query);
+        String sql = querySqlBuilder.getSql();
+        System.out.println(sql);
+    }
+
+}

src/test/java/com/codingapi/simplemybatis/utils/MapBeanUtilsTest.java

@@ -0,0 +1,22 @@
+package com.codingapi.simplemybatis.utils;
+
+import com.codingapi.simplemybatis.entity.DemoView;
+import org.junit.jupiter.api.Test;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class MapBeanUtilsTest {
+
+    @Test
+    void toBean() {
+        Map<String,Object> map = new HashMap<>();
+        map.put("create_time","20200202");
+        map.put("name","123");
+        MapCamelUtils.camelMap(map);
+        DemoView demoView =  MapBeanUtils.toBean(DemoView.class,map);
+        assertTrue("20200202".equals(demoView.getCreateTime()),"creatTime not val");
+    }
+}

src/test/java/com/codingapi/simplemybatis/utils/MapCamelUtilsTest.java

@@ -0,0 +1,19 @@
+package com.codingapi.simplemybatis.utils;
+
+import org.junit.jupiter.api.Test;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class MapCamelUtilsTest {
+
+    @Test
+    void camelMap() {
+        Map<String,Object> map = new HashMap<>();
+        map.put("title_name","123");
+        MapCamelUtils.camelMap(map);
+        assertTrue("123".equals(map.get("titleName")),"titleName not value");
+    }
+}