public class PropertyPlaceholderHelperTest {
PropertyPlaceholderHelper helper = new PropertyPlaceholderHelper("${", "}");
/**
* 單個變量
*/
@Test
public void test(){
String text = "name=${name}";
Properties props = new Properties();
props.setProperty("name", "admin");
String result = helper.replacePlaceholders(text, props);
assertEquals(result,"name=admin");
}
/**
* 多個變量
*/
@Test
public void testMore(){
String text = "name=${name},age=${age}";
Properties props = new Properties();
props.setProperty("name", "admin");
props.setProperty("age", "18");
String result = helper.replacePlaceholders(text, props);
assertEquals(result,"name=admin,age=18");
}
/**
* 遞歸
*/
@Test
public void testRecursion(){
String text = "message=${message}";
Properties props = new Properties();
props.setProperty("message", "hi,${name}");
props.setProperty("name", "admin");
String result = helper.replacePlaceholders(text, props);
assertEquals(result,"message=hi,admin");
}
/**
* 其他符號
*/
@Test
public void testOtherMark(){
helper = new PropertyPlaceholderHelper("$#", "#");
String text = "name=$#name#,age=$#age#";
Properties props = new Properties();
props.setProperty("name", "admin");
props.setProperty("age", "18");
String result = helper.replacePlaceholders(text, props);
assertEquals(result,"name=admin,age=18");
}
}
