Test for XMLScriptBuilder to avoid regression

#3349 #3375

#3349 (comment)

src/test/java/org/apache/ibatis/scripting/xmltags/XMLScriptBuilderTest.java

@@ -0,0 +1,45 @@
+/*
+ *    Copyright 2009-2025 the original author or authors.
+ *
+ *    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
+ *
+ *       https://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 org.apache.ibatis.scripting.xmltags;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.apache.ibatis.mapping.SqlSource;
+import org.apache.ibatis.parsing.XPathParser;
+import org.apache.ibatis.session.Configuration;
+import org.junit.jupiter.api.Test;
+
+class XMLScriptBuilderTest {
+
+  @Test
+  void shouldWhereInsertWhitespace() throws Exception {
+    String xml = """
+        <script>
+        select * from user
+        <where>
+        <if test="1==1">and id = 1</if>
+        <if test="1==1">and id > 0</if>
+        </where>
+        </script>
+        """;
+    SqlSource sqlSource = new XMLScriptBuilder(new Configuration(), new XPathParser(xml).evalNode("/script"))
+        .parseScriptNode();
+    assertThat(sqlSource.getBoundSql(1).getSql())
+        .containsPattern("(?m)^\\s*select \\* from user\\s+WHERE\\s+id = 1\\s+and id > 0\\s*$");
+  }
+
+}