[英]How to test Database implementation for Google App Engine?
I wrote my Database Layer and my CRUD Methods for my Android Application. 我为Android应用程序编写了数据库层和CRUD方法。
Now i am wondering how to test my layer? 现在我想知道如何测试我的图层?
I wrote a main method: 我写了一个主要方法:
public static void main(String[] args) {
CRUD crud = new CRUD();
Location location = new Location(1.0,null, "TestData1");
CRUD.insertLocation(location);
System.out.println("Location successfully added!" + location.locationToString());
crud.removeLocation(location);
System.out.println("Location successfully deleted!" + location.locationToString());
}
But when I am doing Debug as> Web Application the compiler says these Exceptions: 但是,当我执行“调试为”>“ Web应用程序”时,编译器会显示以下异常:
java.lang.ClassNotFoundException: javax.servlet.UnavailableException: java.lang.NullPointerException
java.lang.ClassNotFoundException:javax.servlet.UnavailableException:java.lang.NullPointerException
So how to test if the DataLayer is right or not? 那么如何测试DataLayer是否正确?
请参阅App Engine文档中的Java本地单元测试 (仅供参考,这是Google在“ App Engine Java单元测试”中的第一个结果)。
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