write a line into test.file

docs/spring/cse48cc092-d218-11ef-85e3-acde48001122.java

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+/**
+ * Copyright 2009-2019 the original author or authors.
+ * <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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.submitted.global_variables_defaults;
+
+import org.apache.ibatis.annotations.CacheNamespace;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Property;
+import org.apache.ibatis.annotations.Select;
+import org.apache.ibatis.datasource.unpooled.UnpooledDataSource;
+import org.apache.ibatis.io.Resources;
+import org.apache.ibatis.parsing.PropertyParser;
+import org.apache.ibatis.session.Configuration;
+import org.apache.ibatis.session.SqlSession;
+import org.apache.ibatis.session.SqlSessionFactory;
+import org.apache.ibatis.session.SqlSessionFactoryBuilder;
+import org.apache.ibatis.type.JdbcType;
+import org.assertj.core.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import java.io.IOException;
+import java.io.Reader;
+import java.util.Properties;
+
+class CustomizationTest {
+
+    @Test
+    void applyDefaultValueWhenCustomizeDefaultValueSeparator() throws IOException {
+
+        Properties props = new Properties();
+        props.setProperty(PropertyParser.KEY_ENABLE_DEFAULT_VALUE, "true");
+        props.setProperty(PropertyParser.KEY_DEFAULT_VALUE_SEPARATOR, "?:");
+
+        Reader reader = Resources.getResourceAsReader("org/apache/ibatis/submitted/global_variables_defaults/mybatis-config-custom-separator.xml");
+        SqlSessionFactory factory = new SqlSessionFactoryBuilder().build(reader, props);
+        Configuration configuration = factory.getConfiguration();
+        configuration.addMapper(CustomDefaultValueSeparatorMapper.class);
+
+        SupportClasses.CustomCache cache = SupportClasses.Utils.unwrap(configuration.getCache(CustomDefaultValueSeparatorMapper.class.getName()));
+
+        Assertions.assertThat(configuration.getJdbcTypeForNull()).isEqualTo(JdbcType.NULL);
+        Assertions.assertThat(((UnpooledDataSource) configuration.getEnvironment().getDataSource()).getUrl())
+                .isEqualTo("jdbc:hsqldb:mem:global_variables_defaults");
+        Assertions.assertThat(configuration.getDatabaseId()).isEqualTo("hsql");
+        Assertions.assertThat(((SupportClasses.CustomObjectFactory) configuration.getObjectFactory()).getProperties().getProperty("name"))
+                .isEqualTo("default");
+        Assertions.assertThat(cache.getName()).isEqualTo("default");
+
+        try (SqlSession sqlSession = factory.openSession()) {
+            CustomDefaultValueSeparatorMapper mapper = sqlSession.getMapper(CustomDefaultValueSeparatorMapper.class);
+            Assertions.assertThat(mapper.selectValue(null)).isEqualTo("default");
+        }
+
+    }
+
+    @Test
+    void applyPropertyValueWhenCustomizeDefaultValueSeparator() throws IOException {
+
+        Properties props = new Properties();
+        props.setProperty(PropertyParser.KEY_ENABLE_DEFAULT_VALUE, "true");
+        props.setProperty(PropertyParser.KEY_DEFAULT_VALUE_SEPARATOR, "?:");
+        props.setProperty("settings:jdbcTypeForNull", JdbcType.CHAR.name());
+        props.setProperty("db:name", "global_variables_defaults_custom");
+        props.setProperty("productName:hsql", "Hsql");
+        props.setProperty("objectFactory:name", "customObjectFactory");
+        props.setProperty("cache:name", "customCache");
+
+        Reader reader = Resources.getResourceAsReader("org/apache/ibatis/submitted/global_variables_defaults/mybatis-config-custom-separator.xml");
+        SqlSessionFactory factory = new SqlSessionFactoryBuilder().build(reader, props);
+        Configuration configuration = factory.getConfiguration();
+        configuration.addMapper(CustomDefaultValueSeparatorMapper.class);
+
+        SupportClasses.CustomCache cache = SupportClasses.Utils.unwrap(configuration.getCache(CustomDefaultValueSeparatorMapper.class.getName()));
+
+        Assertions.assertThat(configuration.getJdbcTypeForNull()).isEqualTo(JdbcType.CHAR);
+        Assertions.assertThat(((UnpooledDataSource) configuration.getEnvironment().getDataSource()).getUrl())
+                .isEqualTo("jdbc:hsqldb:mem:global_variables_defaults_custom");
+        Assertions.assertThat(configuration.getDatabaseId()).isNull();
+        Assertions.assertThat(((SupportClasses.CustomObjectFactory) configuration.getObjectFactory()).getProperties().getProperty("name"))
+                .isEqualTo("customObjectFactory");
+        Assertions.assertThat(cache.getName()).isEqualTo("customCache");
+
+        try (SqlSession sqlSession = factory.openSession()) {
+            CustomDefaultValueSeparatorMapper mapper = sqlSession.getMapper(CustomDefaultValueSeparatorMapper.class);
+            Assertions.assertThat(mapper.selectValue("3333")).isEqualTo("3333");
+        }
+
+    }
+
+    @CacheNamespace(implementation = SupportClasses.CustomCache.class, properties = {
+            @Property(name = "name", value = "${cache:name?:default}")
+    })
+    private interface CustomDefaultValueSeparatorMapper {
+        @Select("SELECT '${val != null ? val : 'default'}' FROM INFORMATION_SCHEMA.SYSTEM_USERS")
+        String selectValue(@Param("val") String val);
+    }
+
+}